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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 <peterz@...>
To: Török <edwintorok@...>
Cc: Ingo Molnar <mingo@...>, <rml@...>, Linux Kernel <linux-kernel@...>, Thomas Gleixner mingo@redhat.com <tglx@...>, H. Peter Anvin <hpa@...>
Subject: Re: Quad core CPUs loaded at only 50% when running a CPU and mmap intensive multi-threaded task
Date: Monday, August 25, 2008 - 1:51 am

On Mon, 2008-08-25 at 00:01 +0300, Török Edwin wrote:


Can you share your .config, and prehaps tell what kernel version did
work for you?

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Messages in current thread:
Re: Quad core CPUs loaded at only 50% when running a CPU and..., Peter Zijlstra, (Mon Aug 25, 1:51 am)
Re: Quad core CPUs loaded at only 50% when running a CPU and..., edwin, (Mon Aug 25, 3:04 am)
Re: Quad core CPUs loaded at only 50% when running a CPU and..., Peter Zijlstra, (Mon Aug 25, 5:23 am)
Re: Quad core CPUs loaded at only 50% when running a CPU and..., Török Edwin, (Mon Aug 25, 5:49 am)
Re: Quad core CPUs loaded at only 50% when running a CPU and..., Peter Zijlstra, (Mon Aug 25, 6:02 am)
Re: Quad core CPUs loaded at only 50% when running a CPU and..., Török Edwin, (Mon Aug 25, 6:22 am)
Re: Quad core CPUs loaded at only 50% when running a CPU and..., Peter Zijlstra, (Mon Aug 25, 6:37 am)
Re: Quad core CPUs loaded at only 50% when running a CPU and..., Peter Zijlstra, (Mon Aug 25, 6:36 am)
Re: Quad core CPUs loaded at only 50% when running a CPU and..., edwin, (Mon Aug 25, 7:00 am)
Re: Quad core CPUs loaded at only 50% when running a CPU and..., Peter Zijlstra, (Mon Aug 25, 7:41 am)
Re: Quad core CPUs loaded at only 50% when running a CPU and..., Theodore Tso, (Mon Aug 25, 9:48 am)
Re: Quad core CPUs loaded at only 50% when running a CPU and..., Andi Kleen, (Tue Aug 26, 4:12 am)
Re: Quad core CPUs loaded at only 50% when running a CPU and..., Török Edwin, (Mon Sep 8, 3:10 pm)
mmap/munmap latency on multithreaded apps, because pagefault..., Török Edwin, (Fri Sep 12, 3:16 pm)
Re: mmap/munmap latency on multithreaded apps, because pagef..., Mike Waychison, (Fri Sep 12, 3:35 pm)
Re: mmap/munmap latency on multithreaded apps, because pagef..., Török Edwin, (Fri Sep 12, 4:10 pm)
Re: Quad core CPUs loaded at only 50% when running a CPU and..., edwin, (Mon Aug 25, 7:30 am)