aboutsummaryrefslogtreecommitdiff
path: root/APEX_1.4/common/include/ApexCuda.h
blob: 847619f0a0d3326d33b198bd4ba96918bd2368b5 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//  * Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//  * Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//  * Neither the name of NVIDIA CORPORATION nor the names of its
//    contributors may be used to endorse or promote products derived
//    from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Copyright (c) 2018 NVIDIA Corporation. All rights reserved.



#ifndef APEX_CUDA_H
#define APEX_CUDA_H

#include <cuda.h>
#include "ApexCudaDefs.h"

#define APEX_CUDA_CONCAT_I(arg1, arg2) arg1 ## arg2
#define APEX_CUDA_CONCAT(arg1, arg2) APEX_CUDA_CONCAT_I(arg1, arg2)

#define APEX_CUDA_TO_STR_I(arg) # arg
#define APEX_CUDA_TO_STR(arg) APEX_CUDA_TO_STR_I(arg)

const unsigned int APEX_CUDA_SINGLE_BLOCK_LAUNCH = 0xFFFFFFFF;

#define APEX_CUDA_KERNEL_DEFAULT_CONFIG ()
#define APEX_CUDA_KERNEL_2D_CONFIG(x, y) (0, 0, nvidia::apex::DimBlock(x, y, 1))
#define APEX_CUDA_KERNEL_3D_CONFIG(x, y, z) (0, 0, nvidia::apex::DimBlock(x, y, z))

#define APEX_CUDA_TEX_FILTER_POINT	CU_TR_FILTER_MODE_POINT
#define APEX_CUDA_TEX_FILTER_LINEAR	CU_TR_FILTER_MODE_LINEAR


#include <boost/preprocessor/seq.hpp>
#include <boost/preprocessor/seq/for_each.hpp>
#include <boost/preprocessor/seq/for_each_i.hpp>
#include <boost/preprocessor/tuple/elem.hpp>
#include <boost/preprocessor/punctuation/comma_if.hpp>
#include <boost/preprocessor/cat.hpp>


#define __APEX_CUDA_FUNC_ARG_NAME(elem) BOOST_PP_TUPLE_ELEM(2, 1, elem)

#define __APEX_CUDA_FUNC_ARG_I(r, data, i, elem) BOOST_PP_COMMA_IF(i) BOOST_PP_TUPLE_ELEM(2, 0, elem) __APEX_CUDA_FUNC_ARG_NAME(elem)
#define __APEX_CUDA_FUNC_ARGS(argseq) BOOST_PP_SEQ_FOR_EACH_I(__APEX_CUDA_FUNC_ARG_I, _, argseq)

#define __APEX_CUDA_FUNC_ARG_NAME_I(r, data, i, elem) BOOST_PP_COMMA_IF(i) __APEX_CUDA_FUNC_ARG_NAME(elem)
#define __APEX_CUDA_FUNC_ARG_NAMES(argseq) BOOST_PP_SEQ_FOR_EACH_I(__APEX_CUDA_FUNC_ARG_NAME_I, _, argseq)


#define __APEX_CUDA_FUNC_$ARG_NAME(elem) BOOST_PP_CAT(_$arg_, BOOST_PP_TUPLE_ELEM(2, 1, elem))

#define __APEX_CUDA_FUNC_$ARG_I(r, data, i, elem) BOOST_PP_COMMA_IF(i) BOOST_PP_TUPLE_ELEM(2, 0, elem) __APEX_CUDA_FUNC_$ARG_NAME(elem)
#define __APEX_CUDA_FUNC_$ARGS(argseq) BOOST_PP_SEQ_FOR_EACH_I(__APEX_CUDA_FUNC_$ARG_I, _, argseq)

#define __APEX_CUDA_FUNC_$ARG_NAME_I(r, data, i, elem) BOOST_PP_COMMA_IF(i) __APEX_CUDA_FUNC_$ARG_NAME(elem)
#define __APEX_CUDA_FUNC_$ARG_NAMES(argseq) BOOST_PP_SEQ_FOR_EACH_I(__APEX_CUDA_FUNC_$ARG_NAME_I, _, argseq)


#define __APEX_CUDA_FUNC_SET_PARAM(r, data, elem) setParam( data, __APEX_CUDA_FUNC_$ARG_NAME(elem) );

#define __APEX_CUDA_FUNC_COPY_PARAM(r, data, elem) copyParam( APEX_CUDA_TO_STR(__APEX_CUDA_FUNC_ARG_NAME(elem)), __APEX_CUDA_FUNC_$ARG_NAME(elem) );

#define APEX_CUDA_NAME(name) APEX_CUDA_CONCAT(APEX_CUDA_MODULE_PREFIX, name)
#define APEX_CUDA_NAME_STR(name) APEX_CUDA_TO_STR( APEX_CUDA_NAME(name) )

#define APEX_CUDA_TEX_REF_NAME(name) APEX_CUDA_NAME( APEX_CUDA_CONCAT(texRef, name) )
#define APEX_CUDA_SURF_REF_NAME(name) APEX_CUDA_NAME( APEX_CUDA_CONCAT(surfRef, name) )

#define APEX_CUDA_STORAGE(name) APEX_CUDA_STORAGE_SIZE(name, MAX_CONST_MEM_SIZE)

#ifdef __CUDACC__

#define APEX_MEM_BLOCK(format) format*

#define APEX_CUDA_TEXTURE_1D(name, format) texture<format, cudaTextureType1D, cudaReadModeElementType> APEX_CUDA_NAME(name);
#define APEX_CUDA_TEXTURE_2D(name, format) texture<format, cudaTextureType2D, cudaReadModeElementType> APEX_CUDA_NAME(name);
#define APEX_CUDA_TEXTURE_3D(name, format) texture<format, cudaTextureType3D, cudaReadModeElementType> APEX_CUDA_NAME(name);
#define APEX_CUDA_TEXTURE_3D_FILTER(name, format, filter) APEX_CUDA_TEXTURE_3D(name, format)

#if defined(__CUDA_ARCH__) && __CUDA_ARCH__ < 200

#define APEX_CUDA_SURFACE_1D(name)
#define APEX_CUDA_SURFACE_2D(name)
#define APEX_CUDA_SURFACE_3D(name)

#else

#define APEX_CUDA_SURFACE_1D(name) surface<void, cudaSurfaceType1D> APEX_CUDA_NAME(name);
#define APEX_CUDA_SURFACE_2D(name) surface<void, cudaSurfaceType2D> APEX_CUDA_NAME(name);
#define APEX_CUDA_SURFACE_3D(name) surface<void, cudaSurfaceType3D> APEX_CUDA_NAME(name);

#endif

#define APEX_CUDA_STORAGE_SIZE(name, size) \
	__constant__ unsigned char APEX_CUDA_NAME( APEX_CUDA_CONCAT(name, _ConstMem) )[size]; \
	texture<int, 1, cudaReadModeElementType> APEX_CUDA_NAME( APEX_CUDA_CONCAT(name, _Texture) );


#define APEX_CUDA_FREE_KERNEL(kernelWarps, kernelName, argseq) \
	extern "C" __global__ void APEX_CUDA_NAME(kernelName)(int* _extMem, uint16_t _kernelEnum, uint32_t _threadCount, __APEX_CUDA_FUNC_ARGS(argseq) );

#define APEX_CUDA_FREE_KERNEL_2D(kernelDim, kernelName, argseq) \
	extern "C" __global__ void APEX_CUDA_NAME(kernelName)(int* _extMem, uint16_t _kernelEnum, uint32_t _threadCountX, uint32_t _threadCountY, __APEX_CUDA_FUNC_ARGS(argseq) );

#define APEX_CUDA_FREE_KERNEL_3D(kernelDim, kernelName, argseq) \
	extern "C" __global__ void APEX_CUDA_NAME(kernelName)(int* _extMem, uint16_t _kernelEnum, uint32_t _threadCountX, uint32_t _threadCountY, uint32_t _threadCountZ, uint32_t _blockCountY, __APEX_CUDA_FUNC_ARGS(argseq) );

#define APEX_CUDA_BOUND_KERNEL(kernelWarps, kernelName, argseq) \
	extern "C" __global__ void APEX_CUDA_NAME(kernelName)(int* _extMem, uint16_t _kernelEnum, uint32_t _threadCount, uint32_t _maxGridSize, __APEX_CUDA_FUNC_ARGS(argseq) );

#define APEX_CUDA_SYNC_KERNEL(kernelWarps, kernelName, argseq) \
	extern "C" __global__ void APEX_CUDA_NAME(kernelName)(int* _extMem, uint16_t _kernelEnum, __APEX_CUDA_FUNC_ARGS(argseq) );

#else

#define APEX_CUDA_CLASS_NAME(name) APEX_CUDA_CONCAT(CudaClass_, APEX_CUDA_NAME(name) )
#define APEX_CUDA_OBJ_NAME(name) APEX_CUDA_CONCAT(cudaObj_, APEX_CUDA_NAME(name) )

#define APEX_MEM_BLOCK(format) const ApexCudaMemRef<format>&

#define __APEX_CUDA_TEXTURE(name, filter) \
	class APEX_CUDA_CLASS_NAME(name) : public ApexCudaTexRef { \
	public: \
		APEX_CUDA_CLASS_NAME(name) () : ApexCudaTexRef( APEX_CUDA_NAME_STR(name), filter ) {} \
	} APEX_CUDA_OBJ_NAME(name); \

#define APEX_CUDA_TEXTURE_1D(name, format) __APEX_CUDA_TEXTURE(name, APEX_CUDA_TEX_FILTER_POINT)
#define APEX_CUDA_TEXTURE_2D(name, format) __APEX_CUDA_TEXTURE(name, APEX_CUDA_TEX_FILTER_POINT)
#define APEX_CUDA_TEXTURE_3D(name, format) __APEX_CUDA_TEXTURE(name, APEX_CUDA_TEX_FILTER_POINT)
#define APEX_CUDA_TEXTURE_3D_FILTER(name, format, filter) __APEX_CUDA_TEXTURE(name, filter)


#define __APEX_CUDA_SURFACE(name) \
	class APEX_CUDA_CLASS_NAME(name) : public ApexCudaSurfRef { \
	public: \
		APEX_CUDA_CLASS_NAME(name) () : ApexCudaSurfRef( APEX_CUDA_NAME_STR(name) ) {} \
	} APEX_CUDA_OBJ_NAME(name); \
	 
#define APEX_CUDA_SURFACE_1D(name) __APEX_CUDA_SURFACE(name)
#define APEX_CUDA_SURFACE_2D(name) __APEX_CUDA_SURFACE(name)
#define APEX_CUDA_SURFACE_3D(name) __APEX_CUDA_SURFACE(name)

#define APEX_CUDA_STORAGE_SIZE(name, size) \
	class APEX_CUDA_CLASS_NAME(name) : public ApexCudaConstStorage { \
	public: \
		APEX_CUDA_CLASS_NAME(name) () : ApexCudaConstStorage( APEX_CUDA_NAME_STR( APEX_CUDA_CONCAT(name, _ConstMem) ), APEX_CUDA_NAME_STR( APEX_CUDA_CONCAT(name, _Texture) ) ) {} \
	} APEX_CUDA_OBJ_NAME(name); \


#define __APEX_CUDA_KERNEL_START($blocksPerSM, $config, name, argseq) \
	class APEX_CUDA_CLASS_NAME(name) : public ApexCudaFunc \
	{ \
	public: \
		APEX_CUDA_CLASS_NAME(name) () : ApexCudaFunc( APEX_CUDA_NAME_STR(name) ) {} \
		PX_INLINE bool isSingleBlock(unsigned int threadCount) const \
		{ \
			const FuncInstData& fid = getFuncInstData(); \
			return (threadCount <= fid.mWarpsPerBlock * WARP_SIZE); \
		} \
	protected: \
		void launch1(const FuncInstData& fid, ApexCudaFuncParams& params, CUstream stream) \
		{ \
			PX_UNUSED(fid); \
			PX_ASSERT( isValid() ); \
			setParam(params, (int*)NULL); \
			setParam(params, uint16_t(0)); \
			mCTContext = mManager->getCudaTestManager()->isTestKernel(mName, mManager->getModule()->getName());\
			if (mCTContext) \
			{ \
				mCTContext->setCuStream(stream); \
				resolveContext(); \
			} \
		} \
		void launch2(const FuncInstData& fid, const DimBlock& blockDim, uint32_t sharedSize, ApexCudaFuncParams& params, CUstream stream, const DimGrid& gridDim, __APEX_CUDA_FUNC_$ARGS(argseq) ) \
		{ \
			if (mCTContext)	{ \
				mCTContext->setGridDim(gridDim.x, gridDim.y); \
				mCTContext->setBlockDim(blockDim.x, blockDim.y, blockDim.z); \
				mCTContext->setSharedSize(sharedSize); \
				mCTContext->setFuncInstId(int(&fid - mFuncInstData)); \
				BOOST_PP_SEQ_FOR_EACH(__APEX_CUDA_FUNC_COPY_PARAM, , argseq); \
			} \
			BOOST_PP_SEQ_FOR_EACH(__APEX_CUDA_FUNC_SET_PARAM, params, argseq); \
			void *config[5] = { \
				CU_LAUNCH_PARAM_BUFFER_POINTER, params.mParams, \
				CU_LAUNCH_PARAM_BUFFER_SIZE,    &params.mOffset, \
				CU_LAUNCH_PARAM_END \
			}; \
			onBeforeLaunch(stream); \
			CUT_SAFE_CALL(cuLaunchKernel(fid.mCuFunc, gridDim.x, gridDim.y, 1, blockDim.x, blockDim.y, blockDim.z, sharedSize, stream, 0, (void **)config)); \
			onAfterLaunch(stream); \
			if (mCTContext) mCTContext->setKernelStatus(); \
		} \
		PX_INLINE void evalLaunchParams(const ApexKernelConfig& kernelConfig, const FuncInstData& fid, uint32_t &outWarpsPerBlock, uint32_t &outDynamicShared) \
		{ \
			const ApexCudaDeviceTraits& devTraits = mManager->getDeviceTraits(); \
			const uint32_t fixedSharedMem = (kernelConfig.fixedSharedMemDWords << 2); \
			const uint32_t sharedMemPerWarp = (kernelConfig.sharedMemDWordsPerWarp << 2); \
			const uint32_t staticSharedMem = fid.mStaticSharedSize + fixedSharedMem; \
			PX_ASSERT(staticSharedMem + sharedMemPerWarp * 1 <= devTraits.mMaxSharedMemPerBlock); \
			if (kernelConfig.blockDim.x == 0) \
			{ \
				const uint32_t maxThreadsPerSM = physx::PxMin(devTraits.mMaxRegistersPerSM / fid.mNumRegsPerThread, devTraits.mMaxThreadsPerSM); \
				outWarpsPerBlock = physx::PxMin(fid.mMaxThreadsPerBlock, maxThreadsPerSM / $blocksPerSM) >> LOG2_WARP_SIZE; \
				if (sharedMemPerWarp > 0) \
				{ \
					const uint32_t sharedMemLimit4SM = (devTraits.mMaxSharedMemPerSM - staticSharedMem * $blocksPerSM) / (sharedMemPerWarp * $blocksPerSM); \
					const uint32_t sharedMemLimit4Block = (devTraits.mMaxSharedMemPerBlock - staticSharedMem) / sharedMemPerWarp; \
					const uint32_t sharedMemLimit = physx::PxMin(sharedMemLimit4SM, sharedMemLimit4Block); \
					outWarpsPerBlock = PxMin<uint32_t>(outWarpsPerBlock, sharedMemLimit); \
				} \
				PX_ASSERT(outWarpsPerBlock > 0); \
			} \
			else \
			{ \
				outWarpsPerBlock = (kernelConfig.blockDim.x * kernelConfig.blockDim.y * kernelConfig.blockDim.z + WARP_SIZE-1) / WARP_SIZE; \
			} \
			outDynamicShared = fixedSharedMem + sharedMemPerWarp * outWarpsPerBlock; \
			PX_ASSERT(fid.mStaticSharedSize + outDynamicShared <= devTraits.mMaxSharedMemPerBlock); \
			PX_ASSERT(outWarpsPerBlock * WARP_SIZE <= fid.mMaxThreadsPerBlock); \
			PX_ASSERT(outWarpsPerBlock > 0); \
		} \
		virtual void init( PxCudaContextManager* ctx, int funcInstIndex ) \
		{ \
			PX_UNUSED(ctx); \
			ApexKernelConfig kernelConfig = ApexKernelConfig $config; \
			FuncInstData& fid = mFuncInstData[(uint32_t)funcInstIndex]; \
			evalLaunchParams(kernelConfig, fid, fid.mWarpsPerBlock, fid.mDynamicShared); \
			 

#define __APEX_CUDA_KERNEL_WARPS_END(name, argseq) \
			PX_ASSERT(mMaxBlocksPerGrid > 0); \
		} \
	private: \
		uint32_t mMaxBlocksPerGrid; \
		uint32_t launch(const FuncInstData& fid, uint32_t warpsPerBlock, uint32_t dynamicShared, CUstream stream, unsigned int _threadCount, __APEX_CUDA_FUNC_$ARGS(argseq) ) \
		{ \
			warpsPerBlock = PxMin(warpsPerBlock, MAX_WARPS_PER_BLOCK); /* TODO: refactor old kernels to avoid this */ \
			uint32_t threadsPerBlock = warpsPerBlock * WARP_SIZE; \
			uint32_t blocksPerGrid = 1; \
			if (_threadCount == APEX_CUDA_SINGLE_BLOCK_LAUNCH) \
			{ \
				_threadCount = threadsPerBlock; \
			} \
			else \
			{ \
				if (_threadCount > threadsPerBlock) \
				{ \
					blocksPerGrid = PxMin((_threadCount + threadsPerBlock - 1) / threadsPerBlock, mMaxBlocksPerGrid); \
				} \
				else \
				{ \
					threadsPerBlock = APEX_CUDA_ALIGN_UP(_threadCount, WARP_SIZE); \
				} \
			} \
			ApexCudaFuncParams params; \
			launch1(fid, params, stream); \
			if (mCTContext)	mCTContext->setBoundKernel(_threadCount); \
			setParam(params, _threadCount); \
			if (mMaxBlocksPerGrid != UINT_MAX) setParam(params, mMaxBlocksPerGrid); \
			launch2(fid, DimBlock(threadsPerBlock), dynamicShared, params, stream, DimGrid(blocksPerGrid), __APEX_CUDA_FUNC_$ARG_NAMES(argseq) ); \
			return blocksPerGrid; \
		} \
	public: \
		uint32_t operator() ( CUstream stream, unsigned int _threadCount, __APEX_CUDA_FUNC_$ARGS(argseq) ) \
		{ \
			const FuncInstData& fid = getFuncInstData(); \
			return launch(fid, fid.mWarpsPerBlock, fid.mDynamicShared, stream, _threadCount, __APEX_CUDA_FUNC_$ARG_NAMES(argseq) ); \
		} \
		uint32_t operator() ( const ApexKernelConfig& kernelConfig, CUstream stream, unsigned int _threadCount, __APEX_CUDA_FUNC_$ARGS(argseq) ) \
		{ \
			PX_ASSERT(kernelConfig.maxGridSizeMul == 0); \
			const FuncInstData& fid = getFuncInstData(); \
			uint32_t warpsPerBlock; \
			uint32_t dynamicShared; \
			evalLaunchParams(kernelConfig, fid, warpsPerBlock, dynamicShared); \
			return launch(fid, warpsPerBlock, dynamicShared, stream, _threadCount, __APEX_CUDA_FUNC_$ARG_NAMES(argseq) ); \
		} \
		uint32_t getMaxGridSize() const { return mMaxBlocksPerGrid; } \
	} APEX_CUDA_OBJ_NAME(name); \


#define APEX_CUDA_SYNC_KERNEL(config, name, argseq) \
	__APEX_CUDA_KERNEL_START(1, config, name, argseq) \
			mBlocksPerGrid = (uint32_t)ctx->getMultiprocessorCount(); \
		} \
	private: \
		uint32_t mBlocksPerGrid; \
	public: \
		void operator() ( CUstream stream, __APEX_CUDA_FUNC_$ARGS(argseq) ) \
		{ \
			const FuncInstData& fid = getFuncInstData(); \
			ApexCudaFuncParams params; \
			launch1(fid, params, stream); \
			if (mCTContext)	mCTContext->setSyncKernel(); \
			/* alloc full dynamic shared memory for correct block distrib. on GF100 */ \
			uint32_t dynamicSharedSize = mManager->getDeviceTraits().mMaxSharedMemPerBlock - fid.mStaticSharedSize; \
			launch2(fid, DimBlock(fid.mWarpsPerBlock * WARP_SIZE), dynamicSharedSize, params, stream, DimGrid(mBlocksPerGrid), __APEX_CUDA_FUNC_$ARG_NAMES(argseq) ); \
		} \
		uint32_t getMaxGridSize() const { return mBlocksPerGrid; } \
	} APEX_CUDA_OBJ_NAME(name); \


#define APEX_CUDA_BOUND_KERNEL(config, name, argseq) \
	__APEX_CUDA_KERNEL_START(mManager->getDeviceTraits().mBlocksPerSM, config, name, argseq) \
			mMaxBlocksPerGrid = mManager->getDeviceTraits().mMaxBlocksPerGrid; \
			if (kernelConfig.maxGridSize != 0) \
			{ \
				mMaxBlocksPerGrid = PxMin(mMaxBlocksPerGrid, kernelConfig.maxGridSize); \
			} \
			if (kernelConfig.maxGridSizeMul != 0) \
			{ \
				const unsigned int maxGridSizeFromBlockDim = (fid.mWarpsPerBlock * WARP_SIZE * kernelConfig.maxGridSizeMul) / kernelConfig.maxGridSizeDiv; \
				PX_ASSERT(maxGridSizeFromBlockDim > 0); \
				mMaxBlocksPerGrid = PxMin(mMaxBlocksPerGrid, maxGridSizeFromBlockDim); \
			} \
	__APEX_CUDA_KERNEL_WARPS_END(name, argseq) \


#define APEX_CUDA_FREE_KERNEL(config, name, argseq) \
	__APEX_CUDA_KERNEL_START(mManager->getDeviceTraits().mBlocksPerSM, config, name, argseq) \
			mMaxBlocksPerGrid = UINT_MAX; \
	__APEX_CUDA_KERNEL_WARPS_END(name, argseq) \


#define APEX_CUDA_FREE_KERNEL_2D($config, name, argseq) \
	__APEX_CUDA_KERNEL_START(mManager->getDeviceTraits().mBlocksPerSM_2D, $config, name, argseq) \
		} \
	public: \
		void operator() ( CUstream stream, unsigned int _threadCountX, unsigned int _threadCountY, __APEX_CUDA_FUNC_$ARGS(argseq) ) \
		{ \
			const FuncInstData& fid = getFuncInstData(); \
			DimBlock blockDim = (ApexKernelConfig $config).blockDim; \
			if (blockDim.x == 0) \
			{ \
				uint32_t threadsPerBlock = fid.mWarpsPerBlock * WARP_SIZE; \
				blockDim.x = PxMin(_threadCountX, threadsPerBlock); \
				threadsPerBlock /= blockDim.x; \
				blockDim.y = PxMin(_threadCountY, threadsPerBlock); \
			} \
			DimGrid gridDim; \
			gridDim.x = (_threadCountX + blockDim.x - 1) / blockDim.x; \
			gridDim.y = (_threadCountY + blockDim.y - 1) / blockDim.y; \
			ApexCudaFuncParams params; \
			launch1(fid, params, stream); \
			if (mCTContext)	mCTContext->setFreeKernel(_threadCountX, _threadCountY); \
			setParam(params, _threadCountX); \
			setParam(params, _threadCountY); \
			launch2(fid, blockDim, fid.mDynamicShared, params, stream, gridDim, __APEX_CUDA_FUNC_$ARG_NAMES(argseq) ); \
		} \
	} APEX_CUDA_OBJ_NAME(name); \


#define APEX_CUDA_FREE_KERNEL_3D($config, name, argseq) \
	__APEX_CUDA_KERNEL_START(mManager->getDeviceTraits().mBlocksPerSM_3D, $config, name, argseq) \
		} \
	public: \
		void operator() ( CUstream stream, unsigned int _threadCountX, unsigned int _threadCountY, unsigned int _threadCountZ, __APEX_CUDA_FUNC_$ARGS(argseq) ) \
		{ \
			const FuncInstData& fid = getFuncInstData(); \
			DimBlock blockDim = (ApexKernelConfig $config).blockDim; \
			if (blockDim.x == 0) \
			{ \
				uint32_t threadsPerBlock = fid.mWarpsPerBlock * WARP_SIZE; \
				blockDim.x = PxMin(_threadCountX, threadsPerBlock); \
				threadsPerBlock /= blockDim.x; \
				blockDim.y = PxMin(_threadCountY, threadsPerBlock); \
				threadsPerBlock /= blockDim.y; \
				blockDim.z = PxMin(_threadCountZ, threadsPerBlock); \
			} \
			const uint32_t blockCountX = (_threadCountX + blockDim.x - 1) / blockDim.x; \
			const uint32_t blockCountY = (_threadCountY + blockDim.y - 1) / blockDim.y; \
			const uint32_t blockCountZ = (_threadCountZ + blockDim.z - 1) / blockDim.z; \
			DimGrid gridDim(blockCountX, blockCountY * blockCountZ); \
			ApexCudaFuncParams params; \
			launch1(fid, params, stream); \
			if (mCTContext)	mCTContext->setFreeKernel(_threadCountX, _threadCountY, _threadCountZ, blockCountY); \
			setParam(params, _threadCountX); \
			setParam(params, _threadCountY); \
			setParam(params, _threadCountZ); \
			setParam(params, blockCountY); \
			launch2(fid, blockDim, fid.mDynamicShared, params, stream, gridDim, __APEX_CUDA_FUNC_$ARG_NAMES(argseq) ); \
		} \
	} APEX_CUDA_OBJ_NAME(name); \


#endif // #ifdef __CUDACC__

#endif //APEX_CUDA_H