Tag: Page cache
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Which bit of a 4k page does your program use?
This follows on from the previous post – here are the plots. These are based on a run of the PARSEC benchmark suite x264 program – encoding 32 frames of video using 18 threads – 16 worker threads: the plots show how often each 16 byte “line” is used – whether as an instruction is…
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Some thoughts on the Linux page cache
I am still waiting the result of the Birkbeck exam board to find out whether I have been awarded the MSc, but I think I have waited long enough before discussing my thoughts on some of the issues around page caching my project raised. Linux‘s page caching is based on the “2Q” concept – pages…