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Do not set dcFlush in Immediate dispatch mode.

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Some devices do not need dcFlush.
Setting it prevents further optimization of pipe controls which
are not needed.

Signed-off-by: Michal Mrozek <michal.mrozek@intel.com>
This commit is contained in:
Michal Mrozek
2022-03-02 12:43:02 +00:00
committed by Compute-Runtime-Automation
parent bfacd14b61
commit 8e94d568a8
2 changed files with 50 additions and 3 deletions
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9
shared/source/command_stream/command_stream_receiver_hw_base.inl
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@ -187,6 +187,8 @@ CompletionStamp CommandStreamReceiverHw<GfxFamily>::flushTask(
}
const auto &hwInfo = peekHwInfo();
auto &hwHelper = HwHelper::get(hwInfo.platform.eRenderCoreFamily);
bool updateTag = false;
if (dispatchFlags.blocking || dispatchFlags.dcFlush || dispatchFlags.guardCommandBufferWithPipeControl) {
if (this->dispatchMode == DispatchMode::ImmediateDispatch) {
@ -195,7 +197,10 @@ CompletionStamp CommandStreamReceiverHw<GfxFamily>::flushTask(
levelClosed = true;
//if we guard with ppc, flush dc as well to speed up completion latency
if (dispatchFlags.guardCommandBufferWithPipeControl) {
dispatchFlags.dcFlush = true;
const auto &hwInfoConfig = *NEO::HwInfoConfig::get(hwInfo.platform.eProductFamily);
if (hwInfoConfig.isDcFlushAllowed()) {
dispatchFlags.dcFlush = true;
}
}
}
@ -255,8 +260,6 @@ CompletionStamp CommandStreamReceiverHw<GfxFamily>::flushTask(
dispatchFlags.pipelineSelectArgs.specialPipelineSelectMode,
hwInfo);
auto &hwHelper = HwHelper::get(peekHwInfo().platform.eRenderCoreFamily);
if (dispatchFlags.threadArbitrationPolicy == ThreadArbitrationPolicy::NotPresent) {
if (this->streamProperties.stateComputeMode.threadArbitrationPolicy.value != -1) {
// Reuse previous programming