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Linux 5.0 File-System Benchmarks: Btrfs vs. EXT4 vs. F2FS vs. XFS Written by Michael Larabel in Storage on 7 January 2019 at 03:19 PM EST. Page 1 of 4. 61 Comments. With all of the major file-systems seeing clean-up work during the Linux 4.21 merge window (now known as Linux 5.0 and particularly with F2FS seeing fixes as a result of it being picked up by Google for support on Pixel devices, I was
latency.txt ��X檪 �e7窪 Latency Comparison Numbers (~2012) ---------------------------------- L1 cache reference 0.5 ns Branch mispredict 5 ns L2 cache reference 7 ns 14x L1 cache Mutex lock/unlock 25 ns Main memory reference 100 ns 20x L2 cache, 200x L1 cache Compress 1K bytes with Zippy 3,000 ns 3 us Send 1K bytes over 1 Gbps network 10,000 ns 10 us Read 4K randomly from SSD* 150,000 ns 150 us ~1G
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