slides - Spring School in Advanced Computing TACC @ UP
slides - Spring School in Advanced Computing TACC @ UP
slides - Spring School in Advanced Computing TACC @ UP
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NUMA Operations<br />
• Ways Process Aff<strong>in</strong>ity and Memory Policy can be<br />
changed:<br />
– Dynamically on a runn<strong>in</strong>g process (know<strong>in</strong>g process id)<br />
– At process execution (with wrapper command)<br />
– With<strong>in</strong> program through F90/C API<br />
• Users can alter Kernel Policies<br />
(sett<strong>in</strong>g Process Aff<strong>in</strong>ity and Memory Policy == PAMPer)<br />
– Users can PAMPer their own processes.<br />
– Root can PAMPer any process.<br />
– Careful, libraries may PAMPer, too!<br />
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