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Date: Mon, 22 Jun 2015 22:12:16 +0800
From: Lei Zhang <>
Subject: Re: Lei's weekly report #7

> On Jun 16, 2015, at 8:30 AM, Lei Zhang <> wrote:
> - find out formats where OMP_NUM_THREADS isn't optimal for MIC

I ran through all self-tests on MIC with OMP_NUM_THREADS=240 and OMP_NUM_THREADS=60 respectively, and compared the results to find out which formats perform better with fewer threads. 

There're 309 formats in total (excluding dominosec8, which segfaults on MIC for the moment), and 125 of them run faster with OMP_NUM_THREADS=60. I may need to further tune OMP_SCALEs in those formats. I'll investigate that later.

The list of those formats is attached.


View attachment "formats.txt" of type "text/plain" (1266 bytes)

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