SWDEV-79445 - HIP improvement

- Make sure only one GPU barrier is issued per dispatch
when memory tracking is disabled

Change-Id: I974569ab42a8835304a2930eef87b561a3750327


[ROCm/clr commit: 481cecec78]

projects/clr/rocclr/device/pal/palvirtual.cpp

@@ -563,8 +563,7 @@ void VirtualGPU::MemoryDependency::validate(VirtualGPU& gpu, const Memory* memor
   bool flushL1Cache = false;
 
   if (maxMemObjectsInQueue_ == 0) {
-    // Flush cache
-    gpu.addBarrier(RgpSqqtBarrierReason::MemDependency);
+    // Return earlier if tracking is disabled
     return;
   }
 
@@ -3549,6 +3548,9 @@ bool VirtualGPU::processMemObjectsHSA(const amd::Kernel& kernel, const_address p
     addVmMemory(scratch->memObj_);
   }
 
+  // Synchronize dispatches unconditionally in case memory tracking is disabled
+  memoryDependency().sync(*this);
+
   return true;
 }