P4 to Git Change 1977224 by gandryey@gera-hip-lnx on 2019/08/01 16:17:51

SWDEV-193423 - HIP/VDI - Support for lazy hsa queue creation
	- Add queue pool support for HSA HW queues. GPU_MAX_HW_QUEUES controls the pool size. The current default value is 4 (the number of active pipes on GPU).

Affected files ...

... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocdevice.cpp#132 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocdevice.hpp#38 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocvirtual.cpp#81 edit
... //depot/stg/opencl/drivers/opencl/runtime/device/rocm/rocvirtual.hpp#24 edit
... //depot/stg/opencl/drivers/opencl/runtime/utils/flags.hpp#314 edit

rocclr/runtime/device/rocm/rocdevice.hpp

@@ -406,6 +406,8 @@ class Device : public NullDevice {
 
   VirtualGPU* xferQueue() const;
 
+  std::map<hsa_queue_t*, int>& QueuePool() { return queue_pool_; }
+
  private:
   static hsa_ven_amd_loader_1_00_pfn_t amd_loader_ext_table;
 
@@ -436,6 +438,7 @@ class Device : public NullDevice {
   std::atomic<size_t> freeMem_;   //!< Total of free memory available
   mutable amd::Monitor vgpusAccess_;     //!< Lock to serialise virtual gpu list access
   bool hsa_exclusive_gpu_access_;  //!< TRUE if current device was moved into exclusive GPU access mode
+  std::map<hsa_queue_t*, int> queue_pool_;  //!< Pool of HSA queues for recycling
 
  public:
   amd::Atomic<uint> numOfVgpus_;  //!< Virtual gpu unique index