Media/compute-runtime
1
0
Fork 0
mirror of https://github.com/intel/compute-runtime.git synced 2025-09-15 13:01:45 +08:00
Code Issues Packages Projects Releases Wiki Activity

Add clGetExecutionInfoIntel API

Browse Source 
This API allows querying for execution related information.
CL_EXECUTION_INFO_MAX_WORKGROUP_COUNT_INTEL parameter allows to query for
maximal work group count that is possible to run concurrently on the device.

Related-To: NEO-2712

Change-Id: I4e6b4c80aeb06ff966fb543c0a7f05ed54416dab
Signed-off-by: Filip Hazubski <filip.hazubski@intel.com>
This commit is contained in:
Filip Hazubski
2019-11-07 18:49:46 +01:00
committed by sys_ocldev
parent 340e80bb1a
commit 4b2a8e99d8
24 changed files with 423 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

40
core/helpers/kernel_helpers.cpp Normal file
View File

@ -0,0 +1,40 @@
/*
* Copyright (C) 2019 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#include "core/helpers/kernel_helpers.h"
#include "core/helpers/basic_math.h"
#include <algorithm>
namespace NEO {
uint32_t KernelHelper::getMaxWorkGroupCount(uint32_t simd, uint32_t availableThreadCount, uint32_t dssCount, uint32_t availableSlmSize,
uint32_t usedSlmSize, uint32_t maxBarrierCount, uint32_t numberOfBarriers, uint32_t workDim,
const size_t *localWorkSize) {
size_t workGroupSize = 1;
for (uint32_t i = 0; i < workDim; i++) {
workGroupSize *= localWorkSize[i];
}
auto threadsPerThreadGroup = static_cast<uint32_t>(Math::divideAndRoundUp(workGroupSize, simd));
auto maxWorkGroupsCount = availableThreadCount / threadsPerThreadGroup;
if (numberOfBarriers > 0) {
auto maxWorkGroupsCountDueToBarrierUsage = dssCount * (maxBarrierCount / numberOfBarriers);
maxWorkGroupsCount = std::min(maxWorkGroupsCount, maxWorkGroupsCountDueToBarrierUsage);
}
if (usedSlmSize > 0) {
auto maxWorkGroupsCountDueToSlm = availableSlmSize / usedSlmSize;
maxWorkGroupsCount = std::min(maxWorkGroupsCount, maxWorkGroupsCountDueToSlm);
}
return maxWorkGroupsCount;
}
} // namespace NEO