CDTestFramework, OPCODE, ICE redistributed under the ZLib License, with permission of Pierre Terdiman

Added Bullet SAP/MultiSAP support by Erwin Coumans (BulletSAPCompleteBoxPruningTest.*) AABB tree broadphase by Nathanael Presson (btDbvt.*, DbvtTest.*)
2008-04-02 18:05:36 +00:00
parent 285163b31a
commit 1ef4c721a0
250 changed files with 58757 additions and 0 deletions
--- a/Extras/CDTestFramework/Profiling.h
+++ b/Extras/CDTestFramework/Profiling.h
@@ -0,0 +1,94 @@
+/*
+CDTestFramework http://codercorner.com
+Copyright (c) 2007-2008 Pierre Terdiman,  pierre@codercorner.com
+
+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.
+*/
+#ifndef PROFILING_H
+#define PROFILING_H
+
+	__forceinline void	StartProfile(int& val)
+	{
+#ifdef WIN32
+		__asm{
+			cpuid
+			rdtsc
+			mov		ebx, val
+			mov		[ebx], eax
+		}
+#endif
+	}
+
+	__forceinline void	EndProfile(int& val)
+	{
+#ifdef WIN32
+		__asm{
+			cpuid
+			rdtsc
+			mov		ebx, val
+			sub		eax, [ebx]
+			mov		[ebx], eax
+		}
+#endif
+	}
+
+	class Profiler
+	{
+		public:
+								Profiler() : mCycles(0), mTime(0.0f), mNbQueries(0), mMsTime(0.0f)
+								{
+									QueryPerformanceFrequency((LARGE_INTEGER*)&mFreq);
+								}
+
+		inline_	void			Start()
+								{
+									QueryPerformanceCounter((LARGE_INTEGER*)&mCounter0);
+									StartProfile(mCycles);
+								}
+
+		inline_	void			End()
+								{
+									EndProfile(mCycles);
+									QueryPerformanceCounter((LARGE_INTEGER*)&mCounter1);
+								}
+
+				void			Accum()
+								{
+									double t = ((double)mCounter1 - (double)mCounter0)/(double)mFreq;
+									float mms = (float)t*1000000;
+
+									mTime += mms;
+									mNbQueries++;
+									if(mNbQueries==100)
+									{
+										mNbQueries=1;
+										mTime = mms;
+									}
+
+									mMsTime = mTime/float(mNbQueries);
+								}
+
+				void			AddToTweakBar(TwBar* tbar)
+								{
+									TwAddVarRO(tbar, "Microseconds", TW_TYPE_FLOAT, &mMsTime, " group='Profiling' ");
+								}
+
+				__int64			mFreq;
+				__int64			mCounter0;
+				__int64			mCounter1;
+				int				mCycles;
+				float			mTime;
+				udword			mNbQueries;
+				float			mMsTime;
+	};
+
+#endif	// PROFILING_H
+