[#64517] Fw: Re: Ruby and Rails to become Apache Incubator Project — Tetsuya Kitahata <[email protected]>

What do you think? >> Ruby developers

13 messages 2014/08/23

[#64615] [ruby-trunk - Feature #10181] [Open] New method File.openat() — oss-ruby-lang@...

Issue #10181 has been reported by Technorama Ltd..

10 messages 2014/08/28
[#64616] Re: [ruby-trunk - Feature #10181] [Open] New method File.openat() — Eric Wong <normalperson@...> 2014/08/28

I like this feature.

[#64671] Fwd: [ruby-changes:35240] normal:r47322 (trunk): symbol.c (rb_sym2id): do not return garbage object — SASADA Koichi <ko1@...>

Why this fix solve your problem?

9 messages 2014/08/30
[#64672] Re: Fwd: [ruby-changes:35240] normal:r47322 (trunk): symbol.c (rb_sym2id): do not return garbage object — SASADA Koichi <ko1@...> 2014/08/30

(2014/08/30 8:50), SASADA Koichi wrote:

[ruby-core:64574] [ruby-trunk - Bug #9121] [PATCH] Remove rbtree implementation of SortedSet due to performance regression

From: shibata.hiroshi@...
Date: 2014-08-27 03:29:26 UTC
List: ruby-core #64574
Issue #9121 has been updated by Hiroshi SHIBATA.

Related to Feature #2348: RBTree Should be Added to the Standard Library added

----------------------------------------
Bug #9121: [PATCH] Remove rbtree implementation of SortedSet due to performance regression
https://bugs.ruby-lang.org/issues/9121#change-48502

* Author: Xavier Shay
* Status: Assigned
* Priority: Normal
* Assignee: Akinori MUSHA
* Category: lib
* Target version: Next Major
* ruby -v: 2.0.0-p247
* Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN
----------------------------------------
rbtree is slower than the pure ruby version.

I have provided benchmarks and a patch here:
https://github.com/ruby/ruby/pull/451

> ruby sorted_set_benchmark.rb
using rbtree
       user     system      total        real
#add  0.010000   0.000000   0.010000 (  0.016446)
#delete  0.020000   0.000000   0.020000 (  0.013248)
#include? 1000 items  0.010000   0.000000   0.010000 (  0.011822)
#include? 2000 items  0.020000   0.000000   0.020000 (  0.012572)
#include? 3000 items  0.020000   0.000000   0.020000 (  0.013610)
#include? 4000 items  0.020000   0.000000   0.020000 (  0.014295)
#include? 5000 items  0.010000   0.000000   0.010000 (  0.018024)
#to_a 1000 items  0.580000   0.020000   0.600000 (  0.616104)
#to_a 2000 items  1.170000   0.040000   1.210000 (  1.213406)
#to_a 3000 items  1.730000   0.030000   1.760000 (  1.773069)
#to_a 4000 items  2.370000   0.040000   2.410000 (  2.420450)
#to_a 5000 items  2.920000   0.050000   2.970000 (  2.975497)
> ruby sorted_set_benchmark.rb
NOT using rbtree
       user     system      total        real
#add  0.010000   0.000000   0.010000 (  0.007889)
#delete  0.010000   0.000000   0.010000 (  0.004631)
#include? 1000 items  0.000000   0.000000   0.000000 (  0.005060)
#include? 2000 items  0.010000   0.000000   0.010000 (  0.005950)
#include? 3000 items  0.010000   0.000000   0.010000 (  0.005814)
#include? 4000 items  0.010000   0.000000   0.010000 (  0.005993)
#include? 5000 items  0.010000   0.000000   0.010000 (  0.006923)
#to_a 1000 items  0.000000   0.000000   0.000000 (  0.001863)
#to_a 2000 items  0.000000   0.000000   0.000000 (  0.002145)
#to_a 3000 items  0.000000   0.000000   0.000000 (  0.002129)
#to_a 4000 items  0.000000   0.000000   0.000000 (  0.002265)
#to_a 5000 items  0.000000   0.000000   0.000000 (  0.002428)



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