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Enable USE_DISPATCH_HSA_KERNEL.

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Optimize hipLaunchModule dispatch latency.
This commit is contained in:
Ben Sander
2016-12-04 00:13:19 -06:00
parent ff2f54c1bf
commit 097e4eb9d8
3 changed files with 0 additions and 84 deletions
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src/hip_module.cpp
-27
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@@ -282,8 +282,6 @@ hipError_t hipModuleLaunchKernel(hipFunction_t f,
grid_launch_parm lp;
hStream = ihipPreLaunchKernel(hStream, 0, 0, &lp, f->_kernelName);
#if USE_DISPATCH_HSA_KERNEL
hsa_kernel_dispatch_packet_t aql;
memset(&aql, 0, sizeof(aql));
@@ -307,31 +305,6 @@ hipError_t hipModuleLaunchKernel(hipFunction_t f,
(HSA_FENCE_SCOPE_SYSTEM << HSA_PACKET_HEADER_RELEASE_FENCE_SCOPE);
lp.av->dispatch_hsa_kernel(&aql, config[1] /* kernarg*/, kernArgSize);
#else
/*
Create signal
*/
hsa_signal_t signal;
status = hsa_signal_create(1, 0, NULL, &signal);
/*
Launch AQL packet
*/
hStream->launchModuleKernel(*lp.av, signal, blockDimX, blockDimY, blockDimZ,
gridDimX, gridDimY, gridDimZ, groupSegmentSize, privateSegmentSize, config[1], kernArgSize, f->_kernel);
/*
Wait for signal
*/
hsa_signal_value_t value = hsa_signal_wait_acquire(signal, HSA_SIGNAL_CONDITION_LT, 1, UINT64_MAX, HSA_WAIT_STATE_BLOCKED);
#endif // USE_DISPATCH_HSA_KERNEL
ihipPostLaunchKernel(f->_kernelName, hStream, lp);