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PGPROF User's Guide - The Portland Group

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Using <strong>PGPROF</strong><br />

To get a full list of the counters available, use this command:<br />

pgcollect -cuda=list<br />

Figure 15 CUDA Program Profile<br />

In Figure 15:<br />

‣ <strong>The</strong> columns labeled Max CUDA GPU Secs and Max CUDA CPU Secs show times captured<br />

by the CUDA driver.<br />

‣ <strong>The</strong> Max Seconds column contains timings for host-only code.<br />

‣ Pseudo-function names [Data_Transfer_To_Host] and [Data_Transfer_To_Device] show the<br />

transfer times to and from the GPU.<br />

‣ <strong>The</strong> Accelerator Performance Tab shows counter values collected from the GPU.<br />

PGI Profiler User <strong>Guide</strong> 28

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