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Apply advice with system memory preferred location #31

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Apply advice with system memory preferred location #31

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14 changes: 14 additions & 0 deletions perf_tests/ze_peak/src/transfer_bw.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -89,6 +89,20 @@ long double ZePeak::_transfer_bw_host_copy(L0Context &context,
&temp_cmd_list);
}

/*
Apply memory advise with preferred location set to system memory
to ensure best placement for kmd-migrated shared allocations (only).
*/
if (shared_is_dest) {
zeCommandListAppendMemAdvise(
temp_cmd_list, context.device, destination_buffer, buffer_size,
ZE_MEMORY_ADVICE_SET_SYSTEM_MEMORY_PREFERRED_LOCATION);
} else {
zeCommandListAppendMemAdvise(
temp_cmd_list, context.device, source_buffer, buffer_size,
ZE_MEMORY_ADVICE_SET_SYSTEM_MEMORY_PREFERRED_LOCATION);
}

for (uint32_t i = 0; i < warmup_iterations; i++) {
/*

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