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Re: Quad core CPUs loaded at only 50% when running a CPU and mmap intensive multi-threaded task

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From: Peter Zijlstra
Subject: Re: Quad core CPUs loaded at only 50% when running a CPU and mmap intensive multi-threaded task
Date: Monday, August 25, 2008 - 3:37 am

On Mon, 2008-08-25 at 13:22 +0300, Török Edwin wrote:


OK, I'll poke a little more at is later today to see if I can spot
something

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Messages in current thread:
Re: Quad core CPUs loaded at only 50% when running a CPU a ..., Peter Zijlstra, (Sun Aug 24, 10:51 pm)
Re: Quad core CPUs loaded at only 50% when running a CPU a ..., edwin, (Mon Aug 25, 12:04 am)
Re: Quad core CPUs loaded at only 50% when running a CPU a ..., Peter Zijlstra, (Mon Aug 25, 2:23 am)
Re: Quad core CPUs loaded at only 50% when running a CPU a ..., Török Edwin, (Mon Aug 25, 2:49 am)
Re: Quad core CPUs loaded at only 50% when running a CPU a ..., Peter Zijlstra, (Mon Aug 25, 3:02 am)
Re: Quad core CPUs loaded at only 50% when running a CPU a ..., Török Edwin, (Mon Aug 25, 3:22 am)
Re: Quad core CPUs loaded at only 50% when running a CPU a ..., Peter Zijlstra, (Mon Aug 25, 3:36 am)
Re: Quad core CPUs loaded at only 50% when running a CPU a ..., Peter Zijlstra, (Mon Aug 25, 3:37 am)
Re: Quad core CPUs loaded at only 50% when running a CPU a ..., edwin, (Mon Aug 25, 4:00 am)
Re: Quad core CPUs loaded at only 50% when running a CPU a ..., edwin, (Mon Aug 25, 4:30 am)
Re: Quad core CPUs loaded at only 50% when running a CPU a ..., Peter Zijlstra, (Mon Aug 25, 4:41 am)
Re: Quad core CPUs loaded at only 50% when running a CPU a ..., Theodore Tso, (Mon Aug 25, 6:48 am)
Re: Quad core CPUs loaded at only 50% when running a CPU a ..., Andi Kleen, (Tue Aug 26, 1:12 am)
Re: Quad core CPUs loaded at only 50% when running a CPU a ..., Török Edwin, (Mon Sep 8, 12:10 pm)
mmap/munmap latency on multithreaded apps, because pagefau ..., Török Edwin, (Fri Sep 12, 12:16 pm)
Re: mmap/munmap latency on multithreaded apps, because pag ..., Mike Waychison, (Fri Sep 12, 12:35 pm)
Re: mmap/munmap latency on multithreaded apps, because pag ..., Török Edwin, (Fri Sep 12, 1:10 pm)