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77 lines
3.7 KiB
Matlab
77 lines
3.7 KiB
Matlab
% REPORT_GPU_USAGE check who is using selected GPU and how much memory the
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% user uses
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%
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% report_GPU_usage(gpu_id)
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%
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% Inputs:
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% **gpu_id - ID of the checked GPU
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%*-----------------------------------------------------------------------*
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%| |
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%| Except where otherwise noted, this work is licensed under a |
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%| Creative Commons Attribution-NonCommercial-ShareAlike 4.0 |
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%| International (CC BY-NC-SA 4.0) license. |
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%| |
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%| Copyright (c) 2017 by Paul Scherrer Institute (http://www.psi.ch) |
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%| |
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%| Author: CXS group, PSI |
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%*-----------------------------------------------------------------------*
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% You may use this code with the following provisions:
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%
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% If the code is fully or partially redistributed, or rewritten in another
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% computing language this notice should be included in the redistribution.
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%
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% If this code, or subfunctions or parts of it, is used for research in a
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% publication or if it is fully or partially rewritten for another
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% computing language the authors and institution should be acknowledged
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% in written form in the publication: “Data processing was carried out
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% using the “cSAXS matlab package” developed by the CXS group,
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% Paul Scherrer Institut, Switzerland.”
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% Variations on the latter text can be incorporated upon discussion with
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% the CXS group if needed to more specifically reflect the use of the package
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% for the published work.
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%
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% A publication that focuses on describing features, or parameters, that
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% are already existing in the code should be first discussed with the
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% authors.
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%
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% This code and subroutines are part of a continuous development, they
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% are provided “as they are” without guarantees or liability on part
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% of PSI or the authors. It is the user responsibility to ensure its
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% proper use and the correctness of the results.
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function report_GPU_usage(gpu_id)
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if nargin == 0
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gpu = gpuDevice;
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else
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gpu = gpuDevice(gpu_id);
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end
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% find user to whom belong processes on the selected GPU
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[~,out] = system(sprintf('nvidia-smi | awk ''$2=="Processes:" {p=1} p && $2 == %i && $3 > 0 {print $3}''',gpu.Index-1));
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pids = str2num(out);
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% find memory use by the processes % polyfit_order - -1 = dont assume anything about the removed phase, remove line fit in every horizontal line separatelly
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[~,out] = system(sprintf('nvidia-smi | awk ''$2=="Processes:" {p=1} p && $2 == %i && $3 > 0 {print $6}''',gpu.Index-1));
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out = splitlines(out);
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for ii = 1:length(out)-1
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memory_use(ii) = str2num(replace(out{ii}, 'MiB', ''));
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end
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for ii = 1:length(pids)
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[~,out] = system(sprintf('ps aux | grep %i | awk ''{print $1}''| head -n1', pids(ii)));
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user_list{ii} = out(1:end-1);
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end
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users = unique(user_list);
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for ii = 1:length(users)
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user_memory(ii) = sum(memory_use(ismember(user_list, users{ii})));
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end
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utils.verbose(0,'Following users have processes on the selected GPU %i:', gpu.Index);
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for ii = 1:length(users)
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utils.verbose(0, 'User: %s \t Used memory: %4.3gGB', users{ii} ,user_memory(ii)/1e3)
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end
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end |