Add the GPU rigid body pipeline from https://github.com/erwincoumans/experiments as a Bullet 3.x preview for Bullet 2.80

2012-03-05 00:54:32 +00:00
parent 73c4646b40
commit 571af41cf6
257 changed files with 55106 additions and 0 deletions
--- a/Extras/RigidBodyGpuPipeline/opencl/primitives/AdlTest/LaunchOverheadBenchmark.h
+++ b/Extras/RigidBodyGpuPipeline/opencl/primitives/AdlTest/LaunchOverheadBenchmark.h
@@ -0,0 +1,103 @@
+/*
+Copyright (c) 2012 Advanced Micro Devices, Inc.  
+
+This software is provided 'as-is', without any express or implied warranty.
+In no event will the authors be held liable for any damages arising from the use of this software.
+Permission is granted to anyone to use this software for any purpose, 
+including commercial applications, and to alter it and redistribute it freely, 
+subject to the following restrictions:
+
+1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.
+2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.
+3. This notice may not be removed or altered from any source distribution.
+*/
+//Originally written by Takahiro Harada
+
+
+#include <AdlPrimitives/Copy/Copy.h>
+
+
+
+template<DeviceType TYPE>
+__inline
+void copyTest( Device* device )
+{
+	int size = 65*1024;
+
+	Buffer<float4> buf0( device, size );
+	Buffer<float4> buf1( device, size );
+
+	Stopwatch sw( device );
+	
+	Copy<TYPE>::Data* data = Copy<TYPE>::allocate( device );
+
+	for(int i=0; i<10; i++)
+		Copy<TYPE>::execute( data, buf1, buf0, size, CopyBase::PER_WI_1 );
+	DeviceUtils::waitForCompletion( device );
+
+	{
+		const int nTests = 12;
+
+		float t[nTests];
+
+		for(int ii=0; ii<nTests; ii++)
+		{
+			int iter = 1<<ii;
+
+			DeviceUtils::waitForCompletion( device );
+			sw.start();
+			for(int i=0; i<iter; i++)
+			{
+				Copy<TYPE>::execute( data, buf1, buf0, size, CopyBase::PER_WI_1 );
+			}
+			DeviceUtils::waitForCompletion( device );
+			sw.stop();
+
+			t[ii] = sw.getMs()/(float)iter;
+		}
+
+		for(int ii=0; ii<nTests; ii++)
+		{
+			printf("%d:	%3.4fms	(%3.2fGB/s)\n", (1<<ii), t[ii], size*16*2/1024.f/1024.f/t[ii]);
+		}
+		printf("\n");
+
+	}
+	
+	Copy<TYPE>::deallocate( data );
+}
+
+void launchOverheadBenchmark()
+{
+	printf("LaunchOverheadBenchmark\n");
+
+
+	Device* ddcl;
+#if defined(ADL_ENABLE_DX11)
+	Device* dddx;
+#endif
+	{
+		DeviceUtils::Config cfg;
+		ddcl = DeviceUtils::allocate( TYPE_CL, cfg );
+#if defined(ADL_ENABLE_DX11)
+		dddx = DeviceUtils::allocate( TYPE_DX11, cfg );
+#endif
+	}
+
+	{
+		printf("CL\n");
+		copyTest<TYPE_CL>( ddcl );
+	}
+#ifdef ADL_ENABLE_DX11
+	{
+		printf("DX11\n");
+		copyTest<TYPE_DX11>( dddx );
+	}
+#endif
+
+
+}
+
+
+//1, 2, 4, 8, 16, 32, 64, 128, 256, 
+