Js on-microcontrollers
6 likes3,488 views
This document discusses running JavaScript on microcontrollers. It evaluates two JavaScript engines: JavaScriptCore and Duktape. JavaScriptCore was too large, with initial attempts resulting in binaries over 2 MB. Duktape produced smaller binaries down to 108 KB and passed 96.5% of ECMAScript tests. While most SunSpider tests failed due to timeouts or memory limits, Duktape shows promise for running JavaScript on resource-constrained microcontroller devices.
1 of 24
Downloaded 28 times
Ad
Recommended
Software Profiling: Java Performance, Profiling and Flamegraphs
Software Profiling: Java Performance, Profiling and FlamegraphsIsuru Perera The document discusses software profiling, particularly in the context of Java applications, and emphasizes the importance of analyzing performance through profiling tools to identify and optimize bottlenecks. It covers various metrics like response time and throughput, different profiling techniques, Java garbage collection processes, and tools available for monitoring and managing Java applications. Additionally, it highlights Java Flight Recorder (JFR) for continuous event collection, providing insights into application performance with minimal overhead.
Java in flames
Java in flamesIsuru Perera The document discusses Java profiling tools and techniques for visualizing application performance, emphasizing the use of flame graphs to identify code-path frequent usage. Key insights include comparisons between sampling and instrumentation, the importance of profiling in production environments, and methods for generating flame graphs from Java Flight Recordings. It also highlights challenges with using system profilers like 'perf' for Java applications and solutions for preserving frame pointers in the JVM.
Training Slides: Advanced 302: Performing Schema Changes in a Multi-Site/Mult...
Training Slides: Advanced 302: Performing Schema Changes in a Multi-Site/Mult...Continuent This document outlines a training course covering schema changes in a multi-site multi-master clustering environment, including challenges, rolling maintenance processes, and command line tools for management. Key topics include the architecture of tungsten clusters, zero-downtime maintenance, and best practices for applying schema changes. Additional resources for further learning and support contacts are provided.
Java Performance & Profiling
Java Performance & ProfilingIsuru Perera Profiling is a technique used to analyze the performance and behavior of software applications. It involves measuring aspects like memory usage, CPU time, disk I/O, and counting function calls of a program during execution. This helps identify bottlenecks and optimize applications. There are various Java profiling tools available like Java VisualVM, Java Mission Control, and JProfiler that help analyze performance metrics and JIT compilation logs. Profiling is important for improving software performance by reducing latency and increasing throughput through optimizations informed by profiling results.
Low latency & mechanical sympathy issues and solutions
Low latency & mechanical sympathy issues and solutionsJean-Philippe BEMPEL This document discusses issues related to low latency and mechanical sympathy in a Java application for routing orders. It addresses GC pauses, power management, NUMA, and cache pollution. To achieve sub-millisecond performance, the document recommends tuning the GC, BIOS, OS, NUMA configuration, and avoiding cache pollution through thread affinity and CPU isolation. The goal is to optimize performance without changing application code through mechanical sympathy with the hardware.
BKK16-208 EAS
BKK16-208 EASLinaro This document compares PELT and window-based load tracking approaches and evaluates their performance when used with EAS on an SMP multi-cluster system. It finds that window-based tracking ramps up and down CPU load faster than PELT, providing more responsive frequency scaling. Benchmarks show improvements in browser and photo editing workloads of up to 15% in performance or comparable power with window-based tracking. EAS combined with window tracking may require less boosting and provide better workload spreading across clusters.
Erasing Belady's Limitations: In Search of Flash Cache Offline Optimality
Erasing Belady's Limitations: In Search of Flash Cache Offline OptimalityYue Cheng 1) Unlike HDDs, flash SSDs erase data in large blocks and have a limited number of erasures before errors occur. When using SSDs as a cache for HDDs, the goal is to balance performance and endurance.
2) Existing flash caching algorithms aim to optimize read hit ratio (RHR) and endurance but it is unknown if they achieve the true offline optimal. The offline optimal maximizes RHR subject to an endurance limit.
3) The authors present a new container-optimized heuristic that maintains the optimal RHR while reducing erasures by up to 67% compared to existing algorithms. It outperforms prior work in balancing performance and endurance.
Don't dump thread dumps
Don't dump thread dumpsTier1 App 1) The document discusses various techniques for analyzing thread dumps to troubleshoot issues like CPU spikes, out of memory errors, and unresponsive applications or databases.
2) It provides examples of common thread dump analysis patterns that indicate specific problems, such as the "thread mill" pattern revealing infinite looping or the "leprechaun trap" pattern indicating issues with finalization.
3) The document also describes how to take thread dumps from a Java process using tools like jstack and jcmd and explains the anatomy of a typical thread dump.
Le guide de dépannage de la jvm
Le guide de dépannage de la jvmJean-Philippe BEMPEL The document discusses various tools and techniques for troubleshooting and monitoring Java Virtual Machine (JVM) performance issues. It covers starting the JVM with different options, analyzing thread dumps, garbage collection logs, memory usage, and crash logs. Various JVM commands and options are demonstrated for gathering thread state information, detecting deadlocks, visualizing garbage collection, and diagnosing memory leaks or crashes.
Tools for Metaspace
Tools for MetaspaceTakahiro YAMADA This document discusses various tools for monitoring and analyzing metaspace and class metadata in the Java virtual machine. It describes using -XX:+PrintGCDetails to print details of full GC collections including metaspace usage. It also discusses using MBeans, jstat -gc, and VisualVM to monitor memory pools like metaspace and class space. The document further explains using jmap -clstats to view statistics per class loader and GC.class_stats to view statistics on Java class metadata, which both require unlocking diagnostic VM options.
Using Flame Graphs
Using Flame GraphsIsuru Perera Flame graphs are visualizations of profiled software that help identify the most frequent code paths. They can be generated from various sources, including Java flight recordings, and can display mixed-mode profiling data for both Java and system libraries. Additional tools and steps are provided for generating Java mixed-mode flame graphs and preserving frame pointers, allowing deeper insights into CPU usage.
OSCON2012TroubleShootJava
OSCON2012TroubleShootJavaWilliam Au This document discusses tools and techniques for troubleshooting slow or hung Java applications. It outlines built-in tools like jinfo, jmap, jstack and JConsole that can be used to monitor CPU usage, threads, garbage collection and more. Case studies of potential issues include long garbage collection pauses, deadlocks, looping threads, blocked threads and stuck threads. The document provides recommendations on how to identify and address these types of performance problems in Java applications.
Software Profiling: Understanding Java Performance and how to profile in Java
Software Profiling: Understanding Java Performance and how to profile in JavaIsuru Perera The document provides a comprehensive overview of software profiling in Java, explaining its purpose, tools, and techniques for performance measurement and optimization. It covers key metrics like response time and throughput, emphasizing the importance of garbage collection and memory management in Java applications. Additionally, the document details profiling tools, particularly Java VisualVM and Java Flight Recorder, and their methodologies for analyzing application performance.
Multimaster
MultimasterStas Kelvich This document discusses the objectives, implementation, testing, and roadmap for multi-master replication in Postgres. The key goals are fault tolerance, allowing writes to any node, and compatibility with standalone Postgres. It uses logical replication and a transaction manager based on ClockSI to allow transactions to commit on any node. Testing involves starting docker containers to inject failures like network partitions and verify automatic recovery works as expected. The roadmap includes releasing a public beta, contributing patches to upstream Postgres, and discussing replication of catalog content.
Tuning Linux for MongoDB
Tuning Linux for MongoDBTim Vaillancourt This document discusses how to tune Linux for optimal MongoDB performance. Key points include setting ulimits to allow for many processes and open files, disabling transparent huge pages, using the deadline IO scheduler, setting the dirty ratio and swappiness low, and ensuring consistent clocks with NTP. Monitoring tools like Percona PMM or Prometheus with Grafana dashboards can help analyze MongoDB and system metrics.
On the benchmark of Chainer
On the benchmark of ChainerKenta Oono This document discusses benchmarking deep learning frameworks like Chainer. It begins by defining benchmarks and their importance for framework developers and users. It then examines examples like convnet-benchmarks, which objectively compares frameworks on metrics like elapsed time. It discusses challenges in accurately measuring elapsed time for neural network functions, particularly those with both Python and GPU components. Finally, it introduces potential solutions like Chainer's Timer class and mentions the DeepMark benchmarks for broader comparisons.
Jvm problem diagnostics
Jvm problem diagnosticsDanijel Mitar The document discusses various JVM performance problems such as database load issues, memory management challenges like garbage collection and memory leaks, and connection pool metrics. It outlines troubleshooting techniques, JVM monitoring tools, and tuning flags that can optimize performance. Additionally, it emphasizes the importance of careful resource management and provides a list of performance testing tools.
Get Lower Latency and Higher Throughput for Java Applications
Get Lower Latency and Higher Throughput for Java ApplicationsScyllaDB The document discusses performance challenges in Java applications related to latency, throughput, and warmup times, emphasizing issues such as garbage collection and deoptimisations. It introduces the Azul Platform Prime, an alternative JVM that enhances performance with features like the Continuous Concurrent Compacting Collector (C4) and the Falcon JIT compiler. The document also highlights real-world improvements and cost savings achieved by implementing these technologies in a cloud-based IT security company.
Java GC, Off-heap workshop
Java GC, Off-heap workshopValerii Moisieienko The document covers Java Garbage Collection (GC) tuning and off-heap techniques, discussing various GC algorithms and principles, as well as practical applications and tuning goals. It highlights the importance of GC logs, performance metrics, and the trade-offs of off-heap memory management. Additionally, the document includes an experimental comparison of data structures for handling large volumes of sensor event data to optimize memory usage and GC performance.
LXC on Ganeti
LXC on Ganetikawamuray This document discusses improvements made to LXC container support in Ganeti through a Google Summer of Code project. Key areas worked on included fixing existing LXC integration, adding unit tests, setting up quality assurance, and adding features like migration. The project was mentored by Hrvoje Ribicic. Future work may include two-level isolation of containers within VMs and live migration of LXC instances.
Elephant Roads: a tour of Postgres forks
Elephant Roads: a tour of Postgres forksCommand Prompt., Inc The document provides a detailed history of PostgreSQL, outlining its forks, redistributions, and variations over the years, starting from its inception in 1970. It discusses the reasons for creating forks, types of variants such as patches, add-ons, and proprietary versions, and highlights several key projects and their contributions to PostgreSQL's development. The text encourages experimentation and innovation within the PostgreSQL community by promoting the freedom to fork and develop new features.
OSv Unikernel — Optimizing Guest OS to Run Stateless and Serverless Apps in t...
OSv Unikernel — Optimizing Guest OS to Run Stateless and Serverless Apps in t...ScyllaDB The document discusses OSv, an open-source unikernel designed to run single unmodified Linux applications securely as microVMs. It highlights its strengths for stateless and serverless workloads, including fast boot times, low memory usage, and optimized networking, along with techniques to minimize kernel size for improved performance. It also presents experimental results comparing OSv with traditional Linux VMs across various applications and workloads, demonstrating superior request handling and lower latencies.
GitLab PostgresMortem: Lessons Learned
GitLab PostgresMortem: Lessons LearnedAlexey Lesovsky 1. A PostgreSQL database outage occurred at GitLab on January 31st due to a combination of factors including an increase in load, replication lag, and the deletion of the database directory.
2. Lessons learned include monitoring replication, using tools like pg_basebackup properly, and having backups and disaster recovery processes in place.
3. Recommended preventative measures include setting sane configuration values, automated testing of backups, assigning an owner for data durability, and improving documentation.
OpenNebulaconf2017US: Rapid scaling of research computing to over 70,000 cor...
OpenNebulaconf2017US: Rapid scaling of research computing to over 70,000 cor...OpenNebula Project The document outlines the evolution and current state of research computing at Harvard University, detailing its significant growth to over 70,000 CPU cores and 35 petabytes of storage. It highlights the transition from centralized to decentralized computing, emphasizing technological advancements and the importance of incentive structures in research efforts. The text also discusses the collaborative infrastructure and the role of high-performance computing in science and research education.
Bpf performance tools chapter 4 bcc
Bpf performance tools chapter 4 bccViller Hsiao Chapter 4 of the BPF Performance Tools discusses the BPF Compiler Collection (bcc), a toolkit designed for efficient kernel tracing and manipulation. It outlines how to install bcc, develop programs using it, and provides examples of its functionality, specifically focusing on task switching and data retrieval. The chapter also covers alternative profiling tools and offers additional resources for programming with bcc.
cache2k, Java Caching, Turbo Charged, FOSDEM 2015
cache2k, Java Caching, Turbo Charged, FOSDEM 2015cruftex The document discusses the evolution and features of cache2k, an in-memory caching solution that started in 2000 and was open-sourced in 2013, focusing on performance optimizations and modern eviction policies. It outlines various eviction algorithms, emphasizing improvements over traditional LRU methods, and presents benchmark results to compare the efficiency of cache2k against other caching solutions. The author encourages involvement with the project through GitHub and mentions its availability on Maven Central.
Brief introduction to kselftest
Brief introduction to kselftestSeongJae Park Kselftest is a developer-friendly test framework and set of tests for the Linux kernel. It aims to help developers test the kernel more easily and frequently. Tests are contained in the kernel source code and can be built, run, installed, and packaged quickly and easily. Writing new tests and using the test code as documentation makes kselftest a good starting point for new kernel developers.
Analyzing Java Applications Using Thermostat (Omair Majid)
Analyzing Java Applications Using Thermostat (Omair Majid)Red Hat Developers The document outlines the features and functionalities of Thermostat, an open-source serviceability and monitoring tool for Java applications, highlighting key performance metrics and actions related to the JVM. It discusses new features, demo plugins, release history, development practices, and potential contributions. The document emphasizes community involvement and future tasks aimed at enhancing Thermostat's capabilities.
Tech giants of the last decade
Tech giants of the last decadeInVenture Partners Документ описывает основные тенденции и успехи высокотехнологичных компаний, основанных после 2003 года, в основном в США, Европе и Азии. Он акцентирует внимание на роли венчурных инвесторов, средних оценках компаний и тенденциях выхода из бизнеса через IPO или поглощения. Приведенные данные показывают, что корпоративно-ориентированные компании могут иметь более высокие показатели роста и прибыльности, хотя существуют значительные различия между регионами.
標準人壽My Smart Planner Android 應用程式 - 轉換投資選擇
標準人壽My Smart Planner Android 應用程式 - 轉換投資選擇StandardlifeAEM 這份文件提供了如何使用標準人壽的My Smart Planner安卓應用程式轉換投資選擇的詳細說明。已登錄的用戶可以查看他們的現有計劃，選擇轉出或轉入的投資選擇，並完成確認過程。此外，文件還介紹了如何查詢交易記錄及使用應用程式的其他功能。
More Related Content
What's hot (20)
Le guide de dépannage de la jvm
Le guide de dépannage de la jvmJean-Philippe BEMPEL The document discusses various tools and techniques for troubleshooting and monitoring Java Virtual Machine (JVM) performance issues. It covers starting the JVM with different options, analyzing thread dumps, garbage collection logs, memory usage, and crash logs. Various JVM commands and options are demonstrated for gathering thread state information, detecting deadlocks, visualizing garbage collection, and diagnosing memory leaks or crashes.
Tools for Metaspace
Tools for MetaspaceTakahiro YAMADA This document discusses various tools for monitoring and analyzing metaspace and class metadata in the Java virtual machine. It describes using -XX:+PrintGCDetails to print details of full GC collections including metaspace usage. It also discusses using MBeans, jstat -gc, and VisualVM to monitor memory pools like metaspace and class space. The document further explains using jmap -clstats to view statistics per class loader and GC.class_stats to view statistics on Java class metadata, which both require unlocking diagnostic VM options.
Using Flame Graphs
Using Flame GraphsIsuru Perera Flame graphs are visualizations of profiled software that help identify the most frequent code paths. They can be generated from various sources, including Java flight recordings, and can display mixed-mode profiling data for both Java and system libraries. Additional tools and steps are provided for generating Java mixed-mode flame graphs and preserving frame pointers, allowing deeper insights into CPU usage.
OSCON2012TroubleShootJava
OSCON2012TroubleShootJavaWilliam Au This document discusses tools and techniques for troubleshooting slow or hung Java applications. It outlines built-in tools like jinfo, jmap, jstack and JConsole that can be used to monitor CPU usage, threads, garbage collection and more. Case studies of potential issues include long garbage collection pauses, deadlocks, looping threads, blocked threads and stuck threads. The document provides recommendations on how to identify and address these types of performance problems in Java applications.
Software Profiling: Understanding Java Performance and how to profile in Java
Software Profiling: Understanding Java Performance and how to profile in JavaIsuru Perera The document provides a comprehensive overview of software profiling in Java, explaining its purpose, tools, and techniques for performance measurement and optimization. It covers key metrics like response time and throughput, emphasizing the importance of garbage collection and memory management in Java applications. Additionally, the document details profiling tools, particularly Java VisualVM and Java Flight Recorder, and their methodologies for analyzing application performance.
Multimaster
MultimasterStas Kelvich This document discusses the objectives, implementation, testing, and roadmap for multi-master replication in Postgres. The key goals are fault tolerance, allowing writes to any node, and compatibility with standalone Postgres. It uses logical replication and a transaction manager based on ClockSI to allow transactions to commit on any node. Testing involves starting docker containers to inject failures like network partitions and verify automatic recovery works as expected. The roadmap includes releasing a public beta, contributing patches to upstream Postgres, and discussing replication of catalog content.
Tuning Linux for MongoDB
Tuning Linux for MongoDBTim Vaillancourt This document discusses how to tune Linux for optimal MongoDB performance. Key points include setting ulimits to allow for many processes and open files, disabling transparent huge pages, using the deadline IO scheduler, setting the dirty ratio and swappiness low, and ensuring consistent clocks with NTP. Monitoring tools like Percona PMM or Prometheus with Grafana dashboards can help analyze MongoDB and system metrics.
On the benchmark of Chainer
On the benchmark of ChainerKenta Oono This document discusses benchmarking deep learning frameworks like Chainer. It begins by defining benchmarks and their importance for framework developers and users. It then examines examples like convnet-benchmarks, which objectively compares frameworks on metrics like elapsed time. It discusses challenges in accurately measuring elapsed time for neural network functions, particularly those with both Python and GPU components. Finally, it introduces potential solutions like Chainer's Timer class and mentions the DeepMark benchmarks for broader comparisons.
Jvm problem diagnostics
Jvm problem diagnosticsDanijel Mitar The document discusses various JVM performance problems such as database load issues, memory management challenges like garbage collection and memory leaks, and connection pool metrics. It outlines troubleshooting techniques, JVM monitoring tools, and tuning flags that can optimize performance. Additionally, it emphasizes the importance of careful resource management and provides a list of performance testing tools.
Get Lower Latency and Higher Throughput for Java Applications
Get Lower Latency and Higher Throughput for Java ApplicationsScyllaDB The document discusses performance challenges in Java applications related to latency, throughput, and warmup times, emphasizing issues such as garbage collection and deoptimisations. It introduces the Azul Platform Prime, an alternative JVM that enhances performance with features like the Continuous Concurrent Compacting Collector (C4) and the Falcon JIT compiler. The document also highlights real-world improvements and cost savings achieved by implementing these technologies in a cloud-based IT security company.
Java GC, Off-heap workshop
Java GC, Off-heap workshopValerii Moisieienko The document covers Java Garbage Collection (GC) tuning and off-heap techniques, discussing various GC algorithms and principles, as well as practical applications and tuning goals. It highlights the importance of GC logs, performance metrics, and the trade-offs of off-heap memory management. Additionally, the document includes an experimental comparison of data structures for handling large volumes of sensor event data to optimize memory usage and GC performance.
LXC on Ganeti
LXC on Ganetikawamuray This document discusses improvements made to LXC container support in Ganeti through a Google Summer of Code project. Key areas worked on included fixing existing LXC integration, adding unit tests, setting up quality assurance, and adding features like migration. The project was mentored by Hrvoje Ribicic. Future work may include two-level isolation of containers within VMs and live migration of LXC instances.
Elephant Roads: a tour of Postgres forks
Elephant Roads: a tour of Postgres forksCommand Prompt., Inc The document provides a detailed history of PostgreSQL, outlining its forks, redistributions, and variations over the years, starting from its inception in 1970. It discusses the reasons for creating forks, types of variants such as patches, add-ons, and proprietary versions, and highlights several key projects and their contributions to PostgreSQL's development. The text encourages experimentation and innovation within the PostgreSQL community by promoting the freedom to fork and develop new features.
OSv Unikernel — Optimizing Guest OS to Run Stateless and Serverless Apps in t...
OSv Unikernel — Optimizing Guest OS to Run Stateless and Serverless Apps in t...ScyllaDB The document discusses OSv, an open-source unikernel designed to run single unmodified Linux applications securely as microVMs. It highlights its strengths for stateless and serverless workloads, including fast boot times, low memory usage, and optimized networking, along with techniques to minimize kernel size for improved performance. It also presents experimental results comparing OSv with traditional Linux VMs across various applications and workloads, demonstrating superior request handling and lower latencies.
GitLab PostgresMortem: Lessons Learned
GitLab PostgresMortem: Lessons LearnedAlexey Lesovsky 1. A PostgreSQL database outage occurred at GitLab on January 31st due to a combination of factors including an increase in load, replication lag, and the deletion of the database directory.
2. Lessons learned include monitoring replication, using tools like pg_basebackup properly, and having backups and disaster recovery processes in place.
3. Recommended preventative measures include setting sane configuration values, automated testing of backups, assigning an owner for data durability, and improving documentation.
OpenNebulaconf2017US: Rapid scaling of research computing to over 70,000 cor...
OpenNebulaconf2017US: Rapid scaling of research computing to over 70,000 cor...OpenNebula Project The document outlines the evolution and current state of research computing at Harvard University, detailing its significant growth to over 70,000 CPU cores and 35 petabytes of storage. It highlights the transition from centralized to decentralized computing, emphasizing technological advancements and the importance of incentive structures in research efforts. The text also discusses the collaborative infrastructure and the role of high-performance computing in science and research education.
Bpf performance tools chapter 4 bcc
Bpf performance tools chapter 4 bccViller Hsiao Chapter 4 of the BPF Performance Tools discusses the BPF Compiler Collection (bcc), a toolkit designed for efficient kernel tracing and manipulation. It outlines how to install bcc, develop programs using it, and provides examples of its functionality, specifically focusing on task switching and data retrieval. The chapter also covers alternative profiling tools and offers additional resources for programming with bcc.
cache2k, Java Caching, Turbo Charged, FOSDEM 2015
cache2k, Java Caching, Turbo Charged, FOSDEM 2015cruftex The document discusses the evolution and features of cache2k, an in-memory caching solution that started in 2000 and was open-sourced in 2013, focusing on performance optimizations and modern eviction policies. It outlines various eviction algorithms, emphasizing improvements over traditional LRU methods, and presents benchmark results to compare the efficiency of cache2k against other caching solutions. The author encourages involvement with the project through GitHub and mentions its availability on Maven Central.
Brief introduction to kselftest
Brief introduction to kselftestSeongJae Park Kselftest is a developer-friendly test framework and set of tests for the Linux kernel. It aims to help developers test the kernel more easily and frequently. Tests are contained in the kernel source code and can be built, run, installed, and packaged quickly and easily. Writing new tests and using the test code as documentation makes kselftest a good starting point for new kernel developers.
Analyzing Java Applications Using Thermostat (Omair Majid)
Analyzing Java Applications Using Thermostat (Omair Majid)Red Hat Developers The document outlines the features and functionalities of Thermostat, an open-source serviceability and monitoring tool for Java applications, highlighting key performance metrics and actions related to the JVM. It discusses new features, demo plugins, release history, development practices, and potential contributions. The document emphasizes community involvement and future tasks aimed at enhancing Thermostat's capabilities.
Viewers also liked (19)
Tech giants of the last decade
Tech giants of the last decadeInVenture Partners Документ описывает основные тенденции и успехи высокотехнологичных компаний, основанных после 2003 года, в основном в США, Европе и Азии. Он акцентирует внимание на роли венчурных инвесторов, средних оценках компаний и тенденциях выхода из бизнеса через IPO или поглощения. Приведенные данные показывают, что корпоративно-ориентированные компании могут иметь более высокие показатели роста и прибыльности, хотя существуют значительные различия между регионами.
標準人壽My Smart Planner Android 應用程式 - 轉換投資選擇
標準人壽My Smart Planner Android 應用程式 - 轉換投資選擇StandardlifeAEM 這份文件提供了如何使用標準人壽的My Smart Planner安卓應用程式轉換投資選擇的詳細說明。已登錄的用戶可以查看他們的現有計劃，選擇轉出或轉入的投資選擇，並完成確認過程。此外，文件還介紹了如何查詢交易記錄及使用應用程式的其他功能。
標準人壽 iOS應用程式 - 轉換投資選擇
標準人壽 iOS應用程式 - 轉換投資選擇StandardlifeAEM 本文件提供了標準人壽 iOS 應用程式內轉換投資選擇的使用指南，涵蓋了登錄過程、投資計劃概覽、轉換操作的詳細步驟及確認指示。用戶需擁有已登記的網上帳戶才能使用此功能，並可透過應用程式檢視和管理其投資組合。文件同時提供了交易記錄查詢和應用程式的支持資訊。
what kind of media institution might distribute your media product and why?
what kind of media institution might distribute your media product and why?furbymojo This document discusses different types of media institutions that could distribute an independent film product. It describes production companies, distributors, and limited distributors. Production companies are responsible for fundraising, budgeting, organizing production, and distributing the completed film. Distributors market and release films in theaters or on DVD/Blu-Ray. They work with exhibitors to show films in theaters and receive a percentage of ticket sales. The document also mentions the BFI film fund as a source of funding for independent UK films.
Danielle hardin
Danielle hardinDanielle Hardin Danielle spends 50 hours per week on homework, 40 hours on class, and 30 hours on work. A chart shows her time spent on these activities. The document encourages working hard in school which can lead to good grades, a great job, and improved self-esteem. Danielle wants to become a teacher because she loves kids, enjoys the daily challenges of the classroom, and thrives on the responsibility of grading papers, making lesson plans, and developing new teaching ideas.
Frank Jermusek: 5 Useful Commerical Real Estate Tips
Frank Jermusek: 5 Useful Commerical Real Estate TipsFrank Jermusek This document provides 5 tips for purchasing commercial real estate:
1. Ask yourself questions about your needs and goals before beginning your search
2. Learn common commercial real estate terms to facilitate the process
3. Tour and carefully consider many different property options to determine what will best suit your needs
4. Hire experts like accountants, lawyers, brokers, and mortgage professionals to assist with various aspects of the process
5. Determine your financing options to ensure you can purchase your desired property
Polish Stocks 6. January 2017
Polish Stocks 6. January 2017 Gieldowy Wizjer The document reviews various stocks and their corresponding trading data, including metrics such as momentum and trading volume. It details specific stock actions, prices, and variations, showing a time series of the market from February to December 2017. The data appears to be generated using MetaStock from Equis International, focusing on investment strategies and planning.
Slideshare ps2
Slideshare ps2 imcneal71 This document appears to be a collection of descriptions from someone about their favorite PS2 games they played as a child and still sometimes play. Each entry provides a brief note about how they acquired and experienced each game, including from siblings, friends, and at different points in their childhood ranging from ages 9 to 14. The games brought memories of bonding experiences with family and friends.
Vocabulary movie stars
Vocabulary movie starspatpen55 This document defines several vocabulary terms related to movies including movie star, animated, role, blockbuster, cast, thriller, and celebrities. It provides short definitions or examples for each term, such as that a movie star plays a leading role in a film like Leonardo DiCaprio, animated movies are cartoon style, a role is a character in a movie like in The Godfather, and celebrities are famous people who attend events like the Oscars.
baocao
baocaoHoangdinhthanh Thành Tài liệu cung cấp thông tin về trung tâm đào tạo quản trị mạng và an ninh mạng quốc tế Athena, bao gồm quá trình hình thành, phát triển và các dịch vụ mà trung tâm cung cấp. Nó cũng tóm tắt các tính năng và cải tiến của hệ điều hành Windows Server 2008 R2, cùng với các dịch vụ mạng có thể được cài đặt trên hệ thống này. Cuối cùng, tài liệu đề cập đến cơ cấu tổ chức và sơ đồ mạng của trung tâm.
IAB Native Advertising Playbook 12-04-2013
IAB Native Advertising Playbook 12-04-2013Newsmonkey The IAB's native advertising playbook outlines a framework to clarify native advertising options, helping sellers and buyers navigate the marketplace. It identifies six categories of native ad units and provides a set of core questions marketers should consider when evaluating these options. Additionally, the document emphasizes the importance of clear advertising disclosure to distinguish paid native ads from editorial content.
Kelompok 2 komite etik
Kelompok 2 komite etikAprillia Indah Fajarwati Dokumen tersebut membahas tentang majelis kode etik kebidanan di dalam dan luar negeri. Di dalam negeri, organisasi profesi bidan IBI telah membentuk MPEB dan MPA untuk menangani permasalahan etika dan hukum bidan. Sedangkan di luar negeri, dibahas organisasi-organisasi seperti RCM, ICM, dan Erupean Community Midwifes Directive yang berfokus pada peningkatan standar pelayanan kebidanan.
Final proposal pp
Final proposal ppKayleigh Wright The document discusses a final proposal for an art installation called "What makes your heart sing?". The installation will use various materials like pin, thread, ribbon, and personal artifacts arranged over an area of approximately 1 square meter. The goals of the installation are to foster conversation, collaboration, and creativity among viewers. It also references the concepts of participatory art and a quote about believing in the beauty of one's dreams.
Magazine world is magnifique june 2014
Magazine world is magnifique june 2014Prakash Montroy Le document présente un magazine dédié au marché immobilier international, proposant des informations sur divers pays, notamment l'Italie, la Grèce, et l'Algérie. Il met en avant des opportunités d'investissement, des conseils de professionnels comme Aruba Palms Realtors et Aureli Group, ainsi que des tendances du marché. L'objectif du magazine est d'informer et de connecter les acheteurs et les agences immobilières à l'échelle mondiale.
Digital marketing lecture flow
Digital marketing lecture flowPranay Gothi The document discusses digital marketing, contrasting it with traditional marketing methods, and highlights various digital techniques like SEO, content marketing, and social media optimization. It also outlines the benefits of digital marketing, including cost-effectiveness and ease of measurement, and lists job profiles available in the field. Additionally, it covers search engine concepts, their operation, and defines key terms related to websites and blogs.
Digital marketing lecture flow
Digital marketing lecture flowPranay Gothi This document provides an overview of digital marketing and compares it to traditional marketing. It discusses various digital marketing tactics like SEO, social media, paid search, email marketing and more. It outlines the benefits of digital marketing like lower costs, real-time results and easy location targeting. The document also lists common digital marketing job roles and certifications offered by the School of Digital Marketing.
CDP Supply-Chain-report-2015
CDP Supply-Chain-report-2015Siddhant Mishra This document summarizes a report on supply chain sustainability across countries. Key findings include:
- Supply chains in the US, China, and Italy face high levels of climate risk but suppliers in these countries have an inadequate response. Suppliers in India and Canada also do not do enough to manage climate change risks.
- Suppliers in Brazil have done the least to manage climate exposures and water shortages indicate risks may be higher than assessed.
- Opportunities exist for collaboration to reduce climate risk, particularly in developing economies like China and India where suppliers are highly willing to collaborate and investments yield high returns.
- A sustainability risk/response matrix allows buyers to quickly assess supply chain sustainability at the country level, with
Sap basis slide . pp
Sap basis slide . ppshanmukha rao dondapati This document provides an overview of the content covered in an SAP BASIS administration course, including introductions to networking, operating systems, databases, SAP architecture, installation, upgrades, transports, users and authorizations, monitoring and administration tools. Specific topics include ERP systems, BASIS administration, networks, databases, printing, clients, transports, the authorization system, users, installation, and licensing. The course aims to equip students with the fundamental skills needed for administrative tasks in an SAP system.
Ad
Similar to Js on-microcontrollers (20)
Introduction to IoT.JS
Introduction to IoT.JSSamsung Open Source Group The document introduces iot.js, a lightweight version of node.js designed for embedded systems, and jerryscript, a minimal JavaScript engine aimed at resource-constrained microcontrollers. It highlights the advantages of using JavaScript for embedded development and discusses the open-source nature and ongoing development of both projects. A demonstration featuring a classic pong game implemented across devices is also presented.
JerryScript: An ultra-lighteweight JavaScript Engine for the Internet of Things
JerryScript: An ultra-lighteweight JavaScript Engine for the Internet of ThingsSamsung Open Source Group JerryScript is an ultra-lightweight JavaScript engine developed by Samsung, optimized for microcontrollers with a base footprint of approximately 3KB. It enables JavaScript development for embedded devices, significantly reducing the barrier for web developers, and supports various hardware platforms. The project is actively developed as an open source initiative, focusing on usability and enhancements while seeking community feedback and involvement.
Introduction to IoT.JS
Introduction to IoT.JSSamsung Open Source Group This document discusses IoT.js, a lightweight version of Node.js designed for resource-constrained devices. It introduces JerryScript, a lightweight JavaScript engine developed by Samsung with a footprint of only 10KB that IoT.js runs on. The document outlines the goals and architecture of IoT.js, provides performance comparisons with other JavaScript engines, and demonstrates IoT.js running games like Tetris and Pong across devices with different capabilities. Future plans include further optimizations and adding more modules to expand IoT.js capabilities.
JerryScript: An ultra-lighteweight JavaScript Engine for the Internet of Thin...
JerryScript: An ultra-lighteweight JavaScript Engine for the Internet of Thin...Samsung Open Source Group JerryScript is an ultra-lightweight JavaScript engine developed by Samsung for use in Internet of Things devices. It has a small memory footprint of only 3KB and implements the full ECMAScript 5.1 standard. JerryScript runs on microcontrollers and small devices like the Particle Photon. A demo showed a multiplayer Pong game running on a Photon and Raspberry Pi communicating over 6LoWPAN wireless with one device driving each LED display. JerryScript provides a way to use JavaScript and web developers' skills for programming embedded devices.
Вячеслав Блинов «Java Garbage Collection: A Performance Impact»
Вячеслав Блинов «Java Garbage Collection: A Performance Impact»Anna Shymchenko This document discusses Java garbage collection and provides an overview of common GC algorithms, their performance impacts, and basic tuning strategies. It describes how the generational heap is divided and explains that GC pauses can significantly impact performance. Different algorithms like the serial, parallel, CMS and G1 collectors are introduced along with considerations for choosing a collector based on heap size, CPU usage, and pause requirements. Guidelines are provided for sizing the heap and generations as well as enabling adaptive sizing.
Cat @ scale
Cat @ scaleRohit Jnagal The document discusses the deployment of cache isolation in a mixed-workload environment at Google using the Borg cluster management system. It details the management of latency-sensitive and batch tasks, the use of CPU isolation and cache allocation technologies, and the impact of these strategies on performance and resource utilization. Additionally, it highlights the challenges and improvements in monitoring and managing workloads effectively using cgroups and Intel's resource director technology.
SF Big Analytics & SF Machine Learning Meetup: Machine Learning at the Limit ...
SF Big Analytics & SF Machine Learning Meetup: Machine Learning at the Limit ...Chester Chen This document discusses performance limits for machine learning on single machines and clusters, emphasizing the roofline design framework. It highlights the need for new machine learning toolkits that leverage GPU performance, provide customizability, and support easy deployment for large-scale applications. Various benchmarks demonstrate that BidMach significantly outperforms other systems in terms of speed, cost, and energy efficiency for multiple machine learning tasks.
State of Java Elasticity. Tuning Java Efficiency - GIDS.JAVA LIVE 2020
State of Java Elasticity. Tuning Java Efficiency - GIDS.JAVA LIVE 2020Jelastic Multi-Cloud PaaS The document discusses Java memory usage challenges, focusing on elasticity and efficiency improvements in OpenJDK, particularly with different garbage collectors. It highlights issues like memory over-allocation, underutilization, and techniques for dynamic memory management and scaling in cloud environments. Various Java Virtual Machine (JVM) garbage collection strategies and their impact on resource consumption and application performance are also explored.
Improving DragonFly's performance with PostgreSQL by Francois Tigeot
Improving DragonFly's performance with PostgreSQL by Francois Tigeoteurobsdcon The document discusses the use of PostgreSQL as a benchmarking tool to assess and enhance the scalability of the DragonFly operating system. It details the evolution of DragonFly, performance benchmarks from various PostgreSQL versions, and improvements made in the system's scheduling and resource management over time. Key enhancements include the removal of global locks, introduction of a new scheduler, and optimizations specific to memory and CPU usage.
20141111_SOS3_Gallo
20141111_SOS3_GalloAndrea Gallo Linaro has enabled server class workloads for ARM servers by optimizing key open source software. They have contributed patches to projects like the Linux kernel, KVM, Xen, OpenJDK, Hadoop, and OpenStack. This has allowed OpenStack to run on ARMv8 hardware, with all applicable Tempest tests passing. Linaro is also working on optimizations for server workloads like the LAMP stack, HDFS, and HipHop JIT. Their efforts are helping to accelerate ARM's adoption in the server market.
Big Lab Problems Solved with Spectrum Scale: Innovations for the Coral Program
Big Lab Problems Solved with Spectrum Scale: Innovations for the Coral Programinside-BigData.com The document discusses advancements in IBM's Spectrum Scale software-defined storage technology, particularly focusing on improvements in system tuning, communication, and performance. Key updates in version 4.2.1 include a significant reduction in the number of configuration parameters needed for optimal performance and enhancements in shared directory metadata performance. The document emphasizes the need for better auto-scaling and tuning features to keep pace with rapidly evolving storage technologies.
Optimizing Servers for High-Throughput and Low-Latency at Dropbox
Optimizing Servers for High-Throughput and Low-Latency at DropboxScyllaDB The document discusses optimization strategies for high throughput and low latency in server environments, focusing on both hardware and software improvements. It details specific methods for load balancing, compression algorithms, and the importance of using the latest kernel and hardware features to enhance performance. Additionally, it emphasizes the significance of library updates and data locality strategies to achieve optimal application performance.
Clang: More than just a C/C++ Compiler
Clang: More than just a C/C++ CompilerSamsung Open Source Group Clang is a C/C++ compiler that is part of the LLVM compiler infrastructure. It provides fast compilation, low memory usage, and expressive diagnostics. Clang also includes tools like the static analyzer for detecting bugs without executing code, clang-format for automated code formatting, and sanitizers for finding memory errors, data races, and other bugs.
Speedrunning the Open Street Map osm2pgsql Loader
Speedrunning the Open Street Map osm2pgsql LoaderGregSmith458515 The document discusses speedrunning the OpenStreetMap osm2pgsql loader, detailing the performance and configurations used for processing data sets. It presents benchmarking results on various hardware setups, demonstrating how different tuning parameters can optimize loading times and memory usage. Additionally, it suggests improvements and next steps for further testing on different systems, highlighting the growth of the data over recent years.
module01.ppt
module01.pptSubhasis Dash This document discusses high performance computing and introduces some basic concepts. It explains that computer performance has increased dramatically over the last five decades due to Moore's law, where transistor density doubles every 18 months. While Moore's law is not a true law, it has held for nearly 50 years. The document also discusses how performance improvements have shifted from advances in manufacturing technology to architectural and organizational innovations since the 1980s. It introduces concepts like computer architecture, instruction set architecture, and Amdahl's law, which quantifies the overall performance gain that can be achieved by improving part of a computation.
Computing Performance: On the Horizon (2021)
Computing Performance: On the Horizon (2021)Brendan Gregg Brendan Gregg's talk at USENIX highlights predictions and trends in computing performance, focusing on processors, memory, disks, and networking while noting the challenges in scaling. He emphasizes the limitations of current technology, such as the stagnation of clock rates and the shift toward horizontal scaling with more CPU cores. The future of multi-socket systems and the integration of accelerators like FPGAs and GPUs are discussed, alongside the evolving landscape of cloud-based computing and machine learning's impact on processor design.
OpenDS_Jazoon2010
OpenDS_Jazoon2010Ludovic Poitou This document summarizes a presentation about building a high performance directory server in Java using the OpenDS project. It discusses the OpenDS architecture, design patterns used like asynchronous I/O and immutable objects, experiences tuning the Sun JVM like using large heap sizes and the CMS garbage collector. Performance tests showed search and modification rates of over 200,000 and 20,000 operations per second respectively on a Sun x4170 server. The presentation concludes by encouraging people to try OpenDS and get involved in the open source community around it.
SOSCON 2016 JerryScript
SOSCON 2016 JerryScriptSamsung Open Source Group JerryScript is a lightweight JavaScript engine optimized for microcontrollers and IoT devices. It has a small base footprint of only 3KB of RAM and implements ECMAScript 5.1. JerryScript parses code directly to compact bytecode without an intermediate representation, uses compressed pointers and value representations to reduce memory usage, and is highly portable across platforms. A demo of a Pong game showed JerryScript running on a microcontroller driving an LED matrix with gameplay shared across devices. Future work will focus on additional optimizations, debugging support, and selected ES6 features.
7 jvm-arguments-Confoo
7 jvm-arguments-ConfooTier1 app This document discusses 7 important JVM arguments for optimizing Java applications:
1. -Xmx sets the maximum heap size to control memory usage and number of JVM instances.
2. -XX:MaxMetaspaceSize sets the maximum metaspace size for class metadata.
3. -Xss sets the thread stack size which impacts memory efficiency of Java threads.
4. GC algorithm arguments like -XX:+UseParallelGC to select the garbage collection algorithm.
5. GC logging arguments like -Xloggc to analyze garbage collection logs.
6. Network timeout arguments -Dsun.net.client.defaultConnectTimeout and -Dsun.net.client.
IBM Runtimes Performance Observations with Apache Spark
IBM Runtimes Performance Observations with Apache SparkAdamRobertsIBM The document outlines techniques for improving performance when coding with Java/Scala and using Apache Spark, including best practices and profiling methods. Key topics include utilizing hardware accelerators like RDMA for networking and GPUs for computation, as well as guidelines for writing efficient code. Specific tooling and profiling techniques are also discussed to help increase application performance in real-world scenarios.
JerryScript: An ultra-lighteweight JavaScript Engine for the Internet of Things
JerryScript: An ultra-lighteweight JavaScript Engine for the Internet of ThingsSamsung Open Source Group
JerryScript: An ultra-lighteweight JavaScript Engine for the Internet of Thin...
JerryScript: An ultra-lighteweight JavaScript Engine for the Internet of Thin...Samsung Open Source Group
Ad
Recently uploaded (20)
Artificial Intelligence in the Nonprofit Boardroom.pdf
Artificial Intelligence in the Nonprofit Boardroom.pdfOnBoard OnBoard recently partnered with Microsoft Tech for Social Impact on the AI in the Nonprofit Boardroom Survey, an initiative designed to uncover the current and future role of artificial intelligence in nonprofit governance.
ENERGY CONSUMPTION CALCULATION IN ENERGY-EFFICIENT AIR CONDITIONER.pdf
ENERGY CONSUMPTION CALCULATION IN ENERGY-EFFICIENT AIR CONDITIONER.pdfMuhammad Rizwan Akram DC Inverter Air Conditioners are revolutionizing the cooling industry by delivering affordable,
energy-efficient, and environmentally sustainable climate control solutions. Unlike conventional
fixed-speed air conditioners, DC inverter systems operate with variable-speed compressors that
modulate cooling output based on demand, significantly reducing energy consumption and
extending the lifespan of the appliance.
These systems are critical in reducing electricity usage, lowering greenhouse gas emissions, and
promoting eco-friendly technologies in residential and commercial sectors. With advancements in
compressor control, refrigerant efficiency, and smart energy management, DC inverter air conditioners
have become a benchmark in sustainable climate control solutions
No-Code Workflows for CAD & 3D Data: Scaling AI-Driven Infrastructure
No-Code Workflows for CAD & 3D Data: Scaling AI-Driven InfrastructureSafe Software When projects depend on fast, reliable spatial data, every minute counts.
AI Clearing needed a faster way to handle complex spatial data from drone surveys, CAD designs and 3D project models across construction sites. With FME Form, they built no-code workflows to clean, convert, integrate, and validate dozens of data formats – cutting analysis time from 5 hours to just 30 minutes.
Join us, our partner Globema, and customer AI Clearing to see how they:
-Automate processing of 2D, 3D, drone, spatial, and non-spatial data
-Analyze construction progress 10x faster and with fewer errors
-Handle diverse formats like DWG, KML, SHP, and PDF with ease
-Scale their workflows for international projects in solar, roads, and pipelines
If you work with complex data, join us to learn how to optimize your own processes and transform your results with FME.
Reducing Conflicts and Increasing Safety Along the Cycling Networks of East-F...
Reducing Conflicts and Increasing Safety Along the Cycling Networks of East-F...Safe Software In partnership with the Belgian Province of East-Flanders this project aimed to reduce conflicts and increase safety along a cycling route between the cities of Oudenaarde and Ghent. To achieve this goal, the current cycling network data needed some extra key information, including: Speed limits for segments, Access restrictions for different users (pedestrians, cyclists, motor vehicles, etc.), Priority rules at intersections. Using a 360° camera and GPS mounted on a measuring bicycle, we collected images of traffic signs and ground markings along the cycling lanes building up mobile mapping data. Image recognition technologies identified the road signs, creating a dataset with their locations and codes. The data processing entailed three FME workspaces. These included identifying valid intersections with other networks (e.g., roads, railways), creating a topological network between segments and intersections and linking road signs to segments and intersections based on proximity and orientation. Additional features, such as speed zones, inheritance of speed and access to neighbouring segments were also implemented to further enhance the data. The final results were visualized in ArcGIS, enabling analysis for the end users. The project provided them with key insights, including statistics on accessible road segments, speed limits, and intersection priorities. These will make the cycling paths more safe and uniform, by reducing conflicts between users.
Securing Account Lifecycles in the Age of Deepfakes.pptx
Securing Account Lifecycles in the Age of Deepfakes.pptxFIDO Alliance Securing Account Lifecycles in the Age of Deepfakes
FIDO Seminar: New Data: Passkey Adoption in the Workforce.pptx
FIDO Seminar: New Data: Passkey Adoption in the Workforce.pptxFIDO Alliance FIDO Seminar: New Data: Passkey Adoption in the Workforce
FIDO Seminar: Targeting Trust: The Future of Identity in the Workforce.pptx
FIDO Seminar: Targeting Trust: The Future of Identity in the Workforce.pptxFIDO Alliance FIDO Seminar: Targeting Trust: The Future of Identity in the Workforce
AI VIDEO MAGAZINE - June 2025 - r/aivideo
AI VIDEO MAGAZINE - June 2025 - r/aivideo1pcity Studios, Inc AI VIDEO MAGAZINE - r/aivideo community newsletter – Exclusive Tutorials: How to make an AI VIDEO from scratch, PLUS: How to make AI MUSIC, Hottest ai videos of 2025, Exclusive Interviews, New Tools, Previews, and MORE - JUNE 2025 ISSUE -
FIDO Seminar: Authentication for a Billion Consumers - Amazon.pptx
FIDO Seminar: Authentication for a Billion Consumers - Amazon.pptxFIDO Alliance FIDO Seminar: Authentication for a Billion Consumers - Amazon
FIDO Seminar: Evolving Landscape of Post-Quantum Cryptography.pptx
FIDO Seminar: Evolving Landscape of Post-Quantum Cryptography.pptxFIDO Alliance FIDO Seminar: Evolving Landscape of Post-Quantum Cryptography
OpenACC and Open Hackathons Monthly Highlights June 2025
OpenACC and Open Hackathons Monthly Highlights June 2025OpenACC The OpenACC organization focuses on enhancing parallel computing skills and advancing interoperability in scientific applications through hackathons and training. The upcoming 2025 Open Accelerated Computing Summit (OACS) aims to explore the convergence of AI and HPC in scientific computing and foster knowledge sharing. This year's OACS welcomes talk submissions from a variety of topics, from Using Standard Language Parallelism to Computer Vision Applications. The document also highlights several open hackathons, a call to apply for NVIDIA Academic Grant Program and resources for optimizing scientific applications using OpenACC directives.
“Why It’s Critical to Have an Integrated Development Methodology for Edge AI,...
“Why It’s Critical to Have an Integrated Development Methodology for Edge AI,...Edge AI and Vision Alliance For the full video of this presentation, please visit: https://www.edge-ai-vision.com/2025/06/why-its-critical-to-have-an-integrated-development-methodology-for-edge-ai-a-presentation-from-lattice-semiconductor/
Sreepada Hegade, Director of ML Systems and Software at Lattice Semiconductor, presents the “Why It’s Critical to Have an Integrated Development Methodology for Edge AI” tutorial at the May 2025 Embedded Vision Summit.
The deployment of neural networks near sensors brings well-known advantages such as lower latency, privacy and reduced overall system cost—but also brings significant challenges that complicate development. These challenges can be addressed effectively by choosing the right solution and design methodology. The low-power FPGAs from Lattice are well poised to enable efficient edge implementation of models, while Lattice’s proven development methodology helps to mitigate the challenges and risks associated with edge model deployment.
In this presentation, Hegade explains the importance of an integrated framework that tightly consolidates different aspects of edge AI development, including training, quantization of networks for edge deployment, integration with sensors and inferencing. He also illustrates how Lattice’s simplified tool flow helps to achieve the best trade-off between power, performance and efficiency using low-power FPGAs for edge deployment of various AI workloads.
Kubernetes Security Act Now Before It’s Too Late
Kubernetes Security Act Now Before It’s Too LateMichael Furman In today's cloud-native landscape, Kubernetes has become the de facto standard for orchestrating containerized applications, but its inherent complexity introduces unique security challenges. Are you one YAML away from disaster?
This presentation, "Kubernetes Security: Act Now Before It’s Too Late," is your essential guide to understanding and mitigating the critical security risks within your Kubernetes environments. This presentation dives deep into the OWASP Kubernetes Top Ten, providing actionable insights to harden your clusters.
We will cover:
The fundamental architecture of Kubernetes and why its security is paramount.
In-depth strategies for protecting your Kubernetes Control Plane, including kube-apiserver and etcd.
Crucial best practices for securing your workloads and nodes, covering topics like privileged containers, root filesystem security, and the essential role of Pod Security Admission.
Don't wait for a breach. Learn how to identify, prevent, and respond to Kubernetes security threats effectively.
It's time to act now before it's too late!
Crypto Super 500 - 14th Report - June2025.pdf
Crypto Super 500 - 14th Report - June2025.pdfStephen Perrenod This OrionX's 14th semi-annual report on the state of the cryptocurrency mining market. The report focuses on Proof-of-Work cryptocurrencies since those use substantial supercomputer power to mint new coins and encode transactions on their blockchains. Only two make the cut this time, Bitcoin with $18 billion of annual economic value produced and Dogecoin with $1 billion. Bitcoin has now reached the Zettascale with typical hash rates of 0.9 Zettahashes per second. Bitcoin is powered by the world's largest decentralized supercomputer in a continuous winner take all lottery incentive network.
Viral>Wondershare Filmora 14.5.18.12900 Crack Free Download
Viral>Wondershare Filmora 14.5.18.12900 Crack Free DownloadPuppy jhon ➡ 🌍📱👉COPY & PASTE LINK👉👉👉 ➤ ➤➤ https://drfiles.net/
Wondershare Filmora Crack is a user-friendly video editing software designed for both beginners and experienced users.
FME for Good: Integrating Multiple Data Sources with APIs to Support Local Ch...
FME for Good: Integrating Multiple Data Sources with APIs to Support Local Ch...Safe Software Have-a-skate-with-Bob (HASB-KC) is a local charity that holds two Hockey Tournaments every year to raise money in the fight against Pancreatic Cancer. The FME Form software is used to integrate and exchange data via API, between Google Forms, Google Sheets, Stripe payments, SmartWaiver, and the GoDaddy email marketing tools to build a grass-roots Customer Relationship Management (CRM) system for the charity. The CRM is used to communicate effectively and readily with the participants of the hockey events and most importantly the local area sponsors of the event. Communication consists of a BLOG used to inform participants of event details including, the ever-important team rosters. Funds raised by these events are used to support families in the local area to fight cancer and support PanCan research efforts to find a cure against this insidious disease. FME Form removes the tedium and error-prone manual ETL processes against these systems into 1 or 2 workbenches that put the data needed at the fingertips of the event organizers daily freeing them to work on outreach and marketing of the events in the community.
Bridging the divide: A conversation on tariffs today in the book industry - T...
Bridging the divide: A conversation on tariffs today in the book industry - T...BookNet Canada A collaboration-focused conversation on the recently imposed US and Canadian tariffs where speakers shared insights into the current legislative landscape, ongoing advocacy efforts, and recommended next steps. This event was presented in partnership with the Book Industry Study Group.
Link to accompanying resource: https://bnctechforum.ca/sessions/bridging-the-divide-a-conversation-on-tariffs-today-in-the-book-industry/
Presented by BookNet Canada and the Book Industry Study Group on May 29, 2025 with support from the Department of Canadian Heritage.
OWASP Barcelona 2025 Threat Model Library
OWASP Barcelona 2025 Threat Model LibraryPetraVukmirovic Threat Model Library Launch at OWASP Barcelona 2025
https://owasp.org/www-project-threat-model-library/
Down the Rabbit Hole – Solving 5 Training Roadblocks
Down the Rabbit Hole – Solving 5 Training RoadblocksRustici Software Feeling stuck in the Matrix of your training technologies? You’re not alone. Managing your training catalog, wrangling LMSs and delivering content across different tools and audiences can feel like dodging digital bullets. At some point, you hit a fork in the road: Keep patching things up as issues pop up… or follow the rabbit hole to the root of the problems.
Good news, we’ve already been down that rabbit hole. Peter Overton and Cameron Gray of Rustici Software are here to share what we found. In this webinar, we’ll break down 5 training roadblocks in delivery and management and show you how they’re easier to fix than you might think.
“Why It’s Critical to Have an Integrated Development Methodology for Edge AI,...
“Why It’s Critical to Have an Integrated Development Methodology for Edge AI,...Edge AI and Vision Alliance
Js on-microcontrollers
- 1. JavaScript on Microcontrollers Samsung Open Source Group 1 Tilmann Scheller LLVM Compiler Engineer [email protected] Samsung Open Source Group Samsung Research UK 2nd Samsung Web Tech Talk San Jose, USA, October 30, 2014
- 2. Overview ● Introduction ● JavaScript engine code size ● JavaScript engine correctness/performance ● Summary Samsung Open Source Group 2
- 3. Introduction Samsung Open Source Group 3
- 4. Introduction ● Wearable devices becoming more and more widespread ● Weight and energy efficiency a big concern ● JavaScript very popular, easy to learn ● Scales from embedded to servers ● Execute JavaScript on a microcontroller! Samsung Open Source Group 4
- 5. Target hardware ● Cortex-M3 microcontroller (32-bit ARM Thumb-2) ● 96KB of RAM ● 512KB of flash memory ● Clocked at 84MHz Samsung Open Source Group 5
- 6. JS Engines ● Goal: JS engine which fits in the microcontroller constraints ● Option one: Pick an established JS engine and strip it down to fit on a microcontroller ● Option two: Pick a lightweight engine and make sure that it meets all the requirements Samsung Open Source Group 6
- 7. JS Engines ● Two approaches pursued in parallel: – Try to minimize JavaScriptCore so that it fits on a microcontroller – Get the lightweight Duktape engine running on a microcontroller Samsung Open Source Group 7
- 8. JavaScriptCore ● Well-established JS engine running on millions of devices ● High-performance (four distinct levels of optimization) ● Never intended to run in resource-constrained environments, primary focus is maximum performance ● Written in C++ Samsung Open Source Group 8
- 9. Duktape ● Lightweight JS engine ● Focus on portability and a low footprint ● Written in C and about 40k lines of code (excluding comments) ● ECMAScript E5/E5.1 compliant ● Liberal license ● Active community, has been around for several years Samsung Open Source Group 9
- 10. Code size Samsung Open Source Group 10
- 11. JavaScriptCore minimization ● Challenge: JavaScriptCore was never intended for environments like this ● First attempt: – Took r170522 (June 26, 2014) of WebKit and built the EFL configuration for Thumb-2 ● Original (3.63 MB) ● Reduced (2.39 MB) ● Static (21.21 MB) – Several MB of heap memory consumed during runtime Samsung Open Source Group 11
- 12. JavaScriptCore minimization ● Current snapshot: way too big! ● Second try: Use a snapshot from 2008 just before SquirrelFish was merged ● Performed minimizations: – Qt dependency was removed – Reduced the size of ICU data by disabling extra features – Rebuilt ICU with the –Os compiler option – Pthread was removed – Built older ICU libs – Stripped static JSC binary is now 1,647 KB (was: 19,578 KB) – The engine part of is 311 KB – The Unicode libraries are 562 Kbyte and the remaining size comes from libc, libm and libstdc++ libraries. Samsung Open Source Group 12
- 13. JavaScriptCore minimization ● Engine size close to target size ● However, libraries rely on too many system calls to make it feasible to run on a baremetal system ● Too much effort to get JSC working on a baremetal system ● Aborting JSC investigation and directing all efforts towards Duktape Samsung Open Source Group 13
- 14. Duktape ● Compiled for Thumb-2 ● Using the newlib C standard library ● No OS running on the microcontroller ● Statically linked binary ● C library has a big impact on the size of the executable ● Disabling certain optimizations (through preprocessor macros), helps to reduce code size even further Samsung Open Source Group 14
- 15. Code size Static binary Engine Libraries 108 161 100 83 70 59 212 187 127 318 655 790 1207 311 0 200 400 600 800 1000 1200 1400 1600 1800 Samsung Open Source Group 15 1647 Duktape Thumb-2 baremetal noopt Duktape Thumb-2 baremetal Duktape ARM baremetal Duktape ARM Linux glibc JSC Thumb-2 Linux glibc KB Compiled at -Os ..., noopt = Duktape optimizations not compiled in, baremetal builds link against Newlib
- 16. Correctness/Performance Samsung Open Source Group 16
- 17. Correctness - test262 ● Duktape 0.12 and Arduino library 1.5.8, without DUK_OPT defines ● test262 (ECMAScript conformance test suite) results: – Ran 11824 tests ● Passed 11411 tests (96.5%) ● Failed 413 tests (3.5%) ● Failure details: – 144 tests ran out of memory – 10 tests timed out (300 secs) – 90 tests failed because of an undefined gettimeofday() function – 169 tests fail because of other reasons (have to be investigated) – Summary: 167 failures specific to the Arduino Due and 246 tests which fail on x86-64 as well Samsung Open Source Group 17
- 18. test262 85 713 288957 Min Avg Max 350000 300000 250000 200000 150000 100000 50000 0 Execution time (ms) Samsung Open Source Group 18 Min Avg Max 80 70 60 50 40 30 20 10 0 54 57 75 Memory usage (KB)
- 19. SunSpider ● Duktape 0.12 and Arduino library 1.5.8, without DUK_OPT defines ● Ran 26 tests – Passed 9 tests (34.6%) – Failed 17 tests (65.4%) ● Failure details: – 3 tests were too big (string-unpack-code.js (164K), string-tagcloud.js (172K), regexp-dna.js (400K)) – 13 tests run out of memory (3d-cube.js, 3d-morph.js, 3d-raytrace.js, access-binary-trees.js, access-nsieve.js, bitops-nsieve-bits.js, crypto-aes.js, crypto-md5.js, crypto-sha1.js, date-format-tofte.js, date-format-xparb.js, string-base64.js, string-validate-input.js) – 1 test failed because of undefined gettimeofday() function (math-cordic.js) Samsung Open Source Group 19
- 20. SunSpider access-nbody 160 140 120 100 80 60 40 20 access-fannkuch bitops-bits-in-byte bitops-3bit-bits-in-byte controlflow-recursive bitops-bitwise-and math-partial-sums Samsung Open Source Group 20 math-spectral-norm string-fasta 0 149 41.5 64.3 74.8 140.2 25.9 62.3 21.8 119.9 54 64 50 49 50 70 51 53 57 Execution time (s) Memory usage (KB)
- 21. Summary Samsung Open Source Group 21
- 22. Summary ● JavaScriptCore proved to be unsuitable for microcontrollers ● Duktape fits well into flash and main memory ● Duktape has promising correctness results ● Ongoing effort to evaluate Duktape performance Samsung Open Source Group 22
- 23. Thank you. Samsung Open Source Group 23
- 24. We are hiring! Contact Information: Tilmann Scheller [email protected] Samsung Open Source Group Samsung Research UK Samsung Open Source Group 24