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- From: Mirko Myllykoski <mirkom@cs.umu.se>
- To: Samuel Thibault <samuel.thibault@inria.fr>, starpu-devel@lists.gforge.inria.fr
- Subject: Re: [Starpu-devel] Problem with performance model calibration
- Date: Wed, 20 May 2020 17:17:25 +0200
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- Organization: Umeå University / HPC2N
Hi,
On 2020-05-20 17:13, Mirko Myllykoski wrote:
The flop count is 2 * M^2*N (M X M times M X N matrix multiplication). The M*N factor is related to copy operation. You can find MRM calibration files from [2]. The main problem with MRMs is that I get some speedup with linear models but MRM models seem to make the code slower when GPUs are used. Also, the models [2] look wrong (negative coefficients).
The MRM calibration files [2] are older (StarPU 1.3.3).
- Mirko
--
Mirko Myllykoski, Ph.D.
Senior research engineer, Department of Computing Science
Application expert, HPC2N
Umeå University
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- [Starpu-devel] Problem with performance model calibration, Mirko Myllykoski, 18/05/2020
- Re: [Starpu-devel] Problem with performance model calibration, Samuel Thibault, 20/05/2020
- Re: [Starpu-devel] Problem with performance model calibration, Samuel Thibault, 20/05/2020
- Re: [Starpu-devel] Problem with performance model calibration, Mirko Myllykoski, 20/05/2020
- Re: [Starpu-devel] Problem with performance model calibration, Mirko Myllykoski, 20/05/2020
- Re: [Starpu-devel] Problem with performance model calibration, Samuel Thibault, 20/05/2020
- Re: [Starpu-devel] Problem with performance model calibration, Mirko Myllykoski, 20/05/2020
- Re: [Starpu-devel] Problem with performance model calibration, Samuel Thibault, 20/05/2020
- Re: [Starpu-devel] Problem with performance model calibration, Mirko Myllykoski, 20/05/2020
- Re: [Starpu-devel] Problem with performance model calibration, Mirko Myllykoski, 20/05/2020
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