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eb08490f | 1 | // ************************************************************************** |
2 | // This file is property of and copyright by the ALICE HLT Project * | |
3 | // ALICE Experiment at CERN, All rights reserved. * | |
4 | // * | |
5 | // Primary Authors: Sergey Gorbunov <sergey.gorbunov@kip.uni-heidelberg.de> * | |
6 | // Ivan Kisel <kisel@kip.uni-heidelberg.de> * | |
7 | // David Rohr <drohr@kip.uni-heidelberg.de> * | |
8 | // for The ALICE HLT Project. * | |
9 | // * | |
10 | // Permission to use, copy, modify and distribute this software and its * | |
11 | // documentation strictly for non-commercial purposes is hereby granted * | |
12 | // without fee, provided that the above copyright notice appears in all * | |
13 | // copies and that both the copyright notice and this permission notice * | |
14 | // appear in the supporting documentation. The authors make no claims * | |
15 | // about the suitability of this software for any purpose. It is * | |
16 | // provided "as is" without express or implied warranty. * | |
17 | // * | |
18 | //*************************************************************************** | |
19 | ||
20 | #include "AliHLTTPCCAGPUTracker.h" | |
21 | ||
22 | #ifdef BUILD_GPU | |
23 | ||
24 | #include "AliHLTTPCCADef.h" | |
25 | #include "AliHLTTPCCAGPUConfig.h" | |
26 | ||
27 | #include <sm_11_atomic_functions.h> | |
28 | #include <sm_12_atomic_functions.h> | |
29 | ||
30 | #include <iostream> | |
31 | ||
32 | //Disable assertions since they produce errors in GPU Code | |
33 | #ifdef assert | |
34 | #undef assert | |
35 | #endif | |
36 | #define assert(param) | |
37 | ||
38 | __constant__ float4 gAliHLTTPCCATracker[HLTCA_GPU_TRACKER_CONSTANT_MEM / sizeof( float4 )]; | |
39 | #ifdef HLTCA_GPU_TEXTURE_FETCH | |
40 | texture<ushort2, 1, cudaReadModeElementType> gAliTexRefu2; | |
41 | texture<unsigned short, 1, cudaReadModeElementType> gAliTexRefu; | |
42 | texture<signed short, 1, cudaReadModeElementType> gAliTexRefs; | |
43 | #endif | |
44 | ||
eb08490f | 45 | //Include CXX Files, GPUd() macro will then produce CUDA device code out of the tracker source code |
46 | #include "AliHLTTPCCATrackParam.cxx" | |
47 | #include "AliHLTTPCCATrack.cxx" | |
48 | ||
eb08490f | 49 | #include "AliHLTTPCCAHitArea.cxx" |
50 | #include "AliHLTTPCCAGrid.cxx" | |
51 | #include "AliHLTTPCCARow.cxx" | |
52 | #include "AliHLTTPCCAParam.cxx" | |
53 | #include "AliHLTTPCCATracker.cxx" | |
54 | ||
eb08490f | 55 | #include "AliHLTTPCCAProcess.h" |
56 | ||
8566066c | 57 | #include "AliHLTTPCCATrackletSelector.cxx" |
eb08490f | 58 | #include "AliHLTTPCCANeighboursFinder.cxx" |
eb08490f | 59 | #include "AliHLTTPCCANeighboursCleaner.cxx" |
60 | #include "AliHLTTPCCAStartHitsFinder.cxx" | |
61 | #include "AliHLTTPCCAStartHitsSorter.cxx" | |
62 | #include "AliHLTTPCCATrackletConstructor.cxx" | |
63 | #include "AliHLTTPCCASliceOutput.cxx" | |
64 | ||
65 | #include "MemoryAssignmentHelpers.h" | |
66 | ||
67 | #ifndef HLTCA_STANDALONE | |
68 | #include "AliHLTDefinitions.h" | |
69 | #include "AliHLTSystem.h" | |
70 | #endif | |
71 | ||
72 | ClassImp( AliHLTTPCCAGPUTracker ) | |
73 | ||
74 | bool AliHLTTPCCAGPUTracker::fgGPUUsed = false; | |
75 | ||
76 | int AliHLTTPCCAGPUTracker::InitGPU(int sliceCount, int forceDeviceID) | |
77 | { | |
78 | //Find best CUDA device, initialize and allocate memory | |
79 | ||
80 | if (fgGPUUsed) | |
81 | { | |
82 | HLTWarning("CUDA already used by another AliHLTTPCCAGPUTracker running in same process"); | |
83 | return(1); | |
84 | } | |
85 | ||
86 | cudaDeviceProp fCudaDeviceProp; | |
87 | ||
88 | #ifndef CUDA_DEVICE_EMULATION | |
89 | int count, bestDevice = -1, bestDeviceSpeed = 0; | |
90 | if (CudaFailedMsg(cudaGetDeviceCount(&count))) | |
91 | { | |
92 | HLTError("Error getting CUDA Device Count"); | |
93 | return(1); | |
94 | } | |
95 | if (fDebugLevel >= 2) std::cout << "Available CUDA devices: "; | |
96 | for (int i = 0;i < count;i++) | |
97 | { | |
98 | cudaGetDeviceProperties(&fCudaDeviceProp, i); | |
99 | if (fDebugLevel >= 2) std::cout << fCudaDeviceProp.name << " (" << i << ") "; | |
100 | if (fCudaDeviceProp.major < 9 && !(fCudaDeviceProp.major < 1 || (fCudaDeviceProp.major == 1 && fCudaDeviceProp.minor < 2)) && fCudaDeviceProp.multiProcessorCount * fCudaDeviceProp.clockRate > bestDeviceSpeed) | |
101 | { | |
102 | bestDevice = i; | |
103 | bestDeviceSpeed = fCudaDeviceProp.multiProcessorCount * fCudaDeviceProp.clockRate; | |
104 | } | |
105 | } | |
106 | if (fDebugLevel >= 2) std::cout << std::endl; | |
107 | ||
108 | if (bestDevice == -1) | |
109 | { | |
110 | HLTWarning("No CUDA Device available, aborting CUDA Initialisation"); | |
111 | return(1); | |
112 | } | |
113 | ||
114 | int cudaDevice; | |
115 | if (forceDeviceID == -1) | |
116 | cudaDevice = bestDevice; | |
117 | else | |
118 | cudaDevice = forceDeviceID; | |
119 | #else | |
120 | int cudaDevice = 0; | |
121 | #endif | |
122 | ||
123 | cudaGetDeviceProperties(&fCudaDeviceProp ,cudaDevice ); | |
124 | ||
125 | if (fDebugLevel >= 1) | |
126 | { | |
127 | std::cout<<"CUDA Device Properties: "<<std::endl; | |
128 | std::cout<<"name = "<<fCudaDeviceProp.name<<std::endl; | |
129 | std::cout<<"totalGlobalMem = "<<fCudaDeviceProp.totalGlobalMem<<std::endl; | |
130 | std::cout<<"sharedMemPerBlock = "<<fCudaDeviceProp.sharedMemPerBlock<<std::endl; | |
131 | std::cout<<"regsPerBlock = "<<fCudaDeviceProp.regsPerBlock<<std::endl; | |
132 | std::cout<<"warpSize = "<<fCudaDeviceProp.warpSize<<std::endl; | |
133 | std::cout<<"memPitch = "<<fCudaDeviceProp.memPitch<<std::endl; | |
134 | std::cout<<"maxThreadsPerBlock = "<<fCudaDeviceProp.maxThreadsPerBlock<<std::endl; | |
135 | std::cout<<"maxThreadsDim = "<<fCudaDeviceProp.maxThreadsDim[0]<<" "<<fCudaDeviceProp.maxThreadsDim[1]<<" "<<fCudaDeviceProp.maxThreadsDim[2]<<std::endl; | |
136 | std::cout<<"maxGridSize = " <<fCudaDeviceProp.maxGridSize[0]<<" "<<fCudaDeviceProp.maxGridSize[1]<<" "<<fCudaDeviceProp.maxGridSize[2]<<std::endl; | |
137 | std::cout<<"totalConstMem = "<<fCudaDeviceProp.totalConstMem<<std::endl; | |
138 | std::cout<<"major = "<<fCudaDeviceProp.major<<std::endl; | |
139 | std::cout<<"minor = "<<fCudaDeviceProp.minor<<std::endl; | |
140 | std::cout<<"clockRate = "<<fCudaDeviceProp.clockRate<<std::endl; | |
141 | std::cout<<"textureAlignment = "<<fCudaDeviceProp.textureAlignment<<std::endl; | |
142 | } | |
143 | ||
144 | if (fCudaDeviceProp.major < 1 || (fCudaDeviceProp.major == 1 && fCudaDeviceProp.minor < 2)) | |
145 | { | |
146 | HLTError( "Unsupported CUDA Device" ); | |
147 | return(1); | |
148 | } | |
149 | ||
150 | if (CudaFailedMsg(cudaSetDevice(cudaDevice))) | |
151 | { | |
152 | HLTError("Could not set CUDA Device!"); | |
153 | return(1); | |
154 | } | |
155 | ||
156 | if (fgkNSlices * AliHLTTPCCATracker::CommonMemorySize() > HLTCA_GPU_COMMON_MEMORY) | |
157 | { | |
158 | HLTError("Insufficiant Common Memory"); | |
159 | cudaThreadExit(); | |
160 | return(1); | |
161 | } | |
162 | ||
163 | if (fgkNSlices * (HLTCA_ROW_COUNT + 1) * sizeof(AliHLTTPCCARow) > HLTCA_GPU_ROWS_MEMORY) | |
164 | { | |
165 | HLTError("Insufficiant Row Memory"); | |
166 | cudaThreadExit(); | |
167 | return(1); | |
168 | } | |
169 | ||
170 | fGPUMemSize = HLTCA_GPU_ROWS_MEMORY + HLTCA_GPU_COMMON_MEMORY + sliceCount * (HLTCA_GPU_SLICE_DATA_MEMORY + HLTCA_GPU_GLOBAL_MEMORY); | |
171 | if (fGPUMemSize > fCudaDeviceProp.totalGlobalMem || CudaFailedMsg(cudaMalloc(&fGPUMemory, (size_t) fGPUMemSize))) | |
172 | { | |
173 | HLTError("CUDA Memory Allocation Error"); | |
174 | cudaThreadExit(); | |
175 | return(1); | |
176 | } | |
177 | if (fDebugLevel >= 1) HLTInfo("GPU Memory used: %d", (int) fGPUMemSize); | |
178 | int hostMemSize = HLTCA_GPU_ROWS_MEMORY + HLTCA_GPU_COMMON_MEMORY + sliceCount * (HLTCA_GPU_SLICE_DATA_MEMORY + HLTCA_GPU_TRACKS_MEMORY) + HLTCA_GPU_TRACKER_OBJECT_MEMORY; | |
179 | if (CudaFailedMsg(cudaMallocHost(&fHostLockedMemory, hostMemSize))) | |
180 | { | |
181 | cudaFree(fGPUMemory); | |
182 | cudaThreadExit(); | |
183 | HLTError("Error allocating Page Locked Host Memory"); | |
184 | return(1); | |
185 | } | |
186 | if (fDebugLevel >= 1) HLTInfo("Host Memory used: %d", hostMemSize); | |
187 | ||
188 | if (fDebugLevel >= 1) | |
189 | { | |
190 | CudaFailedMsg(cudaMemset(fGPUMemory, 143, (size_t) fGPUMemSize)); | |
191 | } | |
192 | HLTInfo("CUDA Initialisation successfull"); | |
193 | ||
194 | //Don't run constructor / destructor here, this will be just local memcopy of Tracker in GPU Memory | |
195 | if (sizeof(AliHLTTPCCATracker) * sliceCount > HLTCA_GPU_TRACKER_OBJECT_MEMORY) | |
196 | { | |
197 | HLTError("Insufficiant Tracker Object Memory"); | |
198 | return(1); | |
199 | } | |
200 | fSliceCount = sliceCount; | |
201 | fGpuTracker = (AliHLTTPCCATracker*) TrackerMemory(fHostLockedMemory, 0); | |
202 | ||
203 | for (int i = 0;i < fgkNSlices;i++) | |
204 | { | |
205 | fSlaveTrackers[i].SetGPUTracker(); | |
206 | fSlaveTrackers[i].SetGPUTrackerCommonMemory((char*) CommonMemory(fHostLockedMemory, i)); | |
8566066c | 207 | fSlaveTrackers[i].SetGPUSliceDataMemory(SliceDataMemory(fHostLockedMemory, i), RowMemory(fHostLockedMemory, i)); |
eb08490f | 208 | } |
209 | ||
210 | fpCudaStreams = malloc(CAMath::Max(3, fSliceCount) * sizeof(cudaStream_t)); | |
211 | cudaStream_t* const cudaStreams = (cudaStream_t*) fpCudaStreams; | |
212 | for (int i = 0;i < CAMath::Max(3, fSliceCount);i++) | |
213 | { | |
214 | if (CudaFailedMsg(cudaStreamCreate(&cudaStreams[i]))) | |
215 | { | |
216 | HLTError("Error creating CUDA Stream"); | |
217 | return(1); | |
218 | } | |
219 | } | |
220 | ||
221 | #if defined(HLTCA_STANDALONE) & !defined(CUDA_DEVICE_EMULATION) | |
222 | if (fDebugLevel < 2) | |
223 | { | |
224 | //Do one initial run for Benchmark reasons | |
225 | const int useDebugLevel = fDebugLevel; | |
226 | fDebugLevel = 0; | |
8566066c | 227 | AliHLTTPCCAClusterData* tmpCluster = new AliHLTTPCCAClusterData[sliceCount]; |
eb08490f | 228 | |
229 | std::ifstream fin; | |
eb08490f | 230 | |
eb08490f | 231 | AliHLTTPCCAParam tmpParam; |
232 | AliHLTTPCCASliceOutput::outputControlStruct tmpOutputControl; | |
8566066c | 233 | |
234 | fin.open("events/settings.dump"); | |
235 | int tmpCount; | |
236 | fin >> tmpCount; | |
237 | for (int i = 0;i < sliceCount;i++) | |
238 | { | |
239 | fSlaveTrackers[i].SetOutputControl(&tmpOutputControl); | |
240 | tmpParam.ReadSettings(fin); | |
241 | InitializeSliceParam(i, tmpParam); | |
242 | } | |
243 | fin.close(); | |
244 | ||
245 | fin.open("eventspbpbc/event.0.dump", std::ifstream::binary); | |
246 | for (int i = 0;i < sliceCount;i++) | |
247 | { | |
248 | tmpCluster[i].StartReading(i, 0); | |
249 | tmpCluster[i].ReadEvent(fin); | |
250 | tmpCluster[i].FinishReading(); | |
251 | } | |
252 | fin.close(); | |
253 | ||
254 | AliHLTTPCCASliceOutput **tmpOutput = new AliHLTTPCCASliceOutput*[sliceCount]; | |
255 | memset(tmpOutput, 0, sliceCount * sizeof(AliHLTTPCCASliceOutput*)); | |
256 | ||
257 | Reconstruct(tmpOutput, tmpCluster, 0, sliceCount); | |
258 | for (int i = 0;i < sliceCount;i++) | |
259 | { | |
260 | free(tmpOutput[i]); | |
261 | tmpOutput[i] = NULL; | |
262 | fSlaveTrackers[i].SetOutputControl(NULL); | |
263 | } | |
264 | delete[] tmpOutput; | |
265 | delete[] tmpCluster; | |
eb08490f | 266 | fDebugLevel = useDebugLevel; |
267 | } | |
268 | #endif | |
269 | fgGPUUsed = true; | |
270 | return(0); | |
271 | } | |
272 | ||
273 | template <class T> inline T* AliHLTTPCCAGPUTracker::alignPointer(T* ptr, int alignment) | |
274 | { | |
275 | //Macro to align Pointers. | |
276 | //Will align to start at 1 MB segments, this should be consistent with every alignment in the tracker | |
277 | //(As long as every single data structure is <= 1 MB) | |
278 | ||
279 | size_t adr = (size_t) ptr; | |
280 | if (adr % alignment) | |
281 | { | |
282 | adr += alignment - (adr % alignment); | |
283 | } | |
284 | return((T*) adr); | |
285 | } | |
286 | ||
287 | bool AliHLTTPCCAGPUTracker::CudaFailedMsg(cudaError_t error) | |
288 | { | |
289 | //Check for CUDA Error and in the case of an error display the corresponding error string | |
290 | if (error == cudaSuccess) return(false); | |
291 | HLTWarning("CUDA Error: %d / %s", error, cudaGetErrorString(error)); | |
292 | return(true); | |
293 | } | |
294 | ||
295 | int AliHLTTPCCAGPUTracker::CUDASync(char* state) | |
296 | { | |
297 | //Wait for CUDA-Kernel to finish and check for CUDA errors afterwards | |
298 | ||
299 | if (fDebugLevel == 0) return(0); | |
300 | cudaError cuErr; | |
301 | cuErr = cudaGetLastError(); | |
302 | if (cuErr != cudaSuccess) | |
303 | { | |
304 | HLTError("Cuda Error %s while invoking kernel (%s)", cudaGetErrorString(cuErr), state); | |
305 | return(1); | |
306 | } | |
307 | if (CudaFailedMsg(cudaThreadSynchronize())) | |
308 | { | |
309 | HLTError("CUDA Error while synchronizing (%s)", state); | |
310 | return(1); | |
311 | } | |
312 | if (fDebugLevel >= 3) HLTInfo("CUDA Sync Done"); | |
313 | return(0); | |
314 | } | |
315 | ||
316 | void AliHLTTPCCAGPUTracker::SetDebugLevel(const int dwLevel, std::ostream* const NewOutFile) | |
317 | { | |
318 | //Set Debug Level and Debug output File if applicable | |
319 | fDebugLevel = dwLevel; | |
320 | if (NewOutFile) fOutFile = NewOutFile; | |
321 | } | |
322 | ||
323 | int AliHLTTPCCAGPUTracker::SetGPUTrackerOption(char* OptionName, int /*OptionValue*/) | |
324 | { | |
325 | //Set a specific GPU Tracker Option | |
326 | { | |
327 | HLTError("Unknown Option: %s", OptionName); | |
328 | return(1); | |
329 | } | |
330 | //No Options used at the moment | |
331 | //return(0); | |
332 | } | |
333 | ||
334 | #ifdef HLTCA_STANDALONE | |
335 | void AliHLTTPCCAGPUTracker::StandalonePerfTime(int iSlice, int i) | |
336 | { | |
337 | //Run Performance Query for timer i of slice iSlice | |
338 | if (fDebugLevel >= 1) | |
339 | { | |
340 | AliHLTTPCCAStandaloneFramework::StandaloneQueryTime( fSlaveTrackers[iSlice].PerfTimer(i)); | |
341 | } | |
342 | } | |
343 | #else | |
344 | void AliHLTTPCCAGPUTracker::StandalonePerfTime(int /*iSlice*/, int /*i*/) {} | |
345 | #endif | |
346 | ||
347 | void AliHLTTPCCAGPUTracker::DumpRowBlocks(AliHLTTPCCATracker* tracker, int iSlice, bool check) | |
348 | { | |
349 | //Dump Rowblocks to File | |
350 | if (fDebugLevel >= 4) | |
351 | { | |
352 | *fOutFile << "RowBlock Tracklets" << std::endl; | |
353 | ||
354 | int4* rowBlockPos = (int4*) malloc(sizeof(int4) * (tracker[iSlice].Param().NRows() / HLTCA_GPU_SCHED_ROW_STEP + 1) * 2); | |
355 | int* rowBlockTracklets = (int*) malloc(sizeof(int) * (tracker[iSlice].Param().NRows() / HLTCA_GPU_SCHED_ROW_STEP + 1) * HLTCA_GPU_MAX_TRACKLETS * 2); | |
356 | uint2* blockStartingTracklet = (uint2*) malloc(sizeof(uint2) * HLTCA_GPU_BLOCK_COUNT); | |
357 | CudaFailedMsg(cudaMemcpy(rowBlockPos, fGpuTracker[iSlice].RowBlockPos(), sizeof(int4) * (tracker[iSlice].Param().NRows() / HLTCA_GPU_SCHED_ROW_STEP + 1) * 2, cudaMemcpyDeviceToHost)); | |
358 | CudaFailedMsg(cudaMemcpy(rowBlockTracklets, fGpuTracker[iSlice].RowBlockTracklets(), sizeof(int) * (tracker[iSlice].Param().NRows() / HLTCA_GPU_SCHED_ROW_STEP + 1) * HLTCA_GPU_MAX_TRACKLETS * 2, cudaMemcpyDeviceToHost)); | |
359 | CudaFailedMsg(cudaMemcpy(blockStartingTracklet, fGpuTracker[iSlice].BlockStartingTracklet(), sizeof(uint2) * HLTCA_GPU_BLOCK_COUNT, cudaMemcpyDeviceToHost)); | |
360 | CudaFailedMsg(cudaMemcpy(tracker[iSlice].CommonMemory(), fGpuTracker[iSlice].CommonMemory(), fGpuTracker[iSlice].CommonMemorySize(), cudaMemcpyDeviceToHost)); | |
361 | ||
362 | int k = tracker[iSlice].GPUParameters()->fScheduleFirstDynamicTracklet; | |
363 | for (int i = 0; i < tracker[iSlice].Param().NRows() / HLTCA_GPU_SCHED_ROW_STEP + 1;i++) | |
364 | { | |
365 | *fOutFile << "Rowblock: " << i << ", up " << rowBlockPos[i].y << "/" << rowBlockPos[i].x << ", down " << | |
8566066c | 366 | rowBlockPos[tracker[iSlice].Param().NRows() / HLTCA_GPU_SCHED_ROW_STEP + 1 + i].y << "/" << rowBlockPos[tracker[iSlice].Param().NRows() / HLTCA_GPU_SCHED_ROW_STEP + 1 + i].x << std::endl << "Phase 1: "; |
eb08490f | 367 | for (int j = 0;j < rowBlockPos[i].x;j++) |
368 | { | |
369 | //Use Tracker Object to calculate Offset instead of fGpuTracker, since *fNTracklets of fGpuTracker points to GPU Mem! | |
370 | *fOutFile << rowBlockTracklets[(tracker[iSlice].RowBlockTracklets(0, i) - tracker[iSlice].RowBlockTracklets(0, 0)) + j] << ", "; | |
371 | if (check && rowBlockTracklets[(tracker[iSlice].RowBlockTracklets(0, i) - tracker[iSlice].RowBlockTracklets(0, 0)) + j] != k) | |
372 | { | |
373 | HLTError("Wrong starting Row Block %d, entry %d, is %d, should be %d", i, j, rowBlockTracklets[(tracker[iSlice].RowBlockTracklets(0, i) - tracker[iSlice].RowBlockTracklets(0, 0)) + j], k); | |
374 | } | |
375 | k++; | |
376 | if (rowBlockTracklets[(tracker[iSlice].RowBlockTracklets(0, i) - tracker[iSlice].RowBlockTracklets(0, 0)) + j] == -1) | |
377 | { | |
378 | HLTError("Error, -1 Tracklet found"); | |
379 | } | |
380 | } | |
8566066c | 381 | *fOutFile << std::endl << "Phase 2: "; |
eb08490f | 382 | for (int j = 0;j < rowBlockPos[tracker[iSlice].Param().NRows() / HLTCA_GPU_SCHED_ROW_STEP + 1 + i].x;j++) |
383 | { | |
384 | *fOutFile << rowBlockTracklets[(tracker[iSlice].RowBlockTracklets(1, i) - tracker[iSlice].RowBlockTracklets(0, 0)) + j] << ", "; | |
385 | } | |
8566066c | 386 | *fOutFile << std::endl; |
eb08490f | 387 | } |
388 | ||
389 | if (check) | |
390 | { | |
391 | *fOutFile << "Starting Threads: (First Dynamic: " << tracker[iSlice].GPUParameters()->fScheduleFirstDynamicTracklet << ")" << std::endl; | |
392 | for (int i = 0;i < HLTCA_GPU_BLOCK_COUNT;i++) | |
393 | { | |
394 | *fOutFile << i << ": " << blockStartingTracklet[i].x << " - " << blockStartingTracklet[i].y << std::endl; | |
395 | } | |
396 | } | |
397 | ||
398 | free(rowBlockPos); | |
399 | free(rowBlockTracklets); | |
400 | free(blockStartingTracklet); | |
401 | } | |
402 | } | |
403 | ||
404 | __global__ void PreInitRowBlocks(int4* const RowBlockPos, int* const RowBlockTracklets, int* const SliceDataHitWeights, int nSliceDataHits) | |
405 | { | |
406 | //Initialize GPU RowBlocks and HitWeights | |
407 | int4* const rowBlockTracklets4 = (int4*) RowBlockTracklets; | |
408 | int4* const sliceDataHitWeights4 = (int4*) SliceDataHitWeights; | |
409 | const int stride = blockDim.x * gridDim.x; | |
410 | int4 i0, i1; | |
411 | i0.x = i0.y = i0.z = i0.w = 0; | |
412 | i1.x = i1.y = i1.z = i1.w = -1; | |
413 | for (int i = blockIdx.x * blockDim.x + threadIdx.x;i < sizeof(int4) * 2 * (HLTCA_ROW_COUNT / HLTCA_GPU_SCHED_ROW_STEP + 1) / sizeof(int4);i += stride) | |
414 | RowBlockPos[i] = i0; | |
415 | for (int i = blockIdx.x * blockDim.x + threadIdx.x;i < sizeof(int) * (HLTCA_ROW_COUNT / HLTCA_GPU_SCHED_ROW_STEP + 1) * HLTCA_GPU_MAX_TRACKLETS * 2 / sizeof(int4);i += stride) | |
416 | rowBlockTracklets4[i] = i1; | |
417 | for (int i = blockIdx.x * blockDim.x + threadIdx.x;i < nSliceDataHits * sizeof(int) / sizeof(int4);i += stride) | |
418 | sliceDataHitWeights4[i] = i0; | |
419 | } | |
420 | ||
421 | int AliHLTTPCCAGPUTracker::Reconstruct(AliHLTTPCCASliceOutput** pOutput, AliHLTTPCCAClusterData* pClusterData, int firstSlice, int sliceCountLocal) | |
422 | { | |
423 | //Primary reconstruction function | |
424 | cudaStream_t* const cudaStreams = (cudaStream_t*) fpCudaStreams; | |
425 | ||
426 | if (sliceCountLocal == -1) sliceCountLocal = this->fSliceCount; | |
427 | ||
428 | if (sliceCountLocal * sizeof(AliHLTTPCCATracker) > HLTCA_GPU_TRACKER_CONSTANT_MEM) | |
429 | { | |
430 | HLTError("Insuffissant constant memory (Required %d, Available %d, Tracker %d, Param %d, SliceData %d)", sliceCountLocal * (int) sizeof(AliHLTTPCCATracker), (int) HLTCA_GPU_TRACKER_CONSTANT_MEM, (int) sizeof(AliHLTTPCCATracker), (int) sizeof(AliHLTTPCCAParam), (int) sizeof(AliHLTTPCCASliceData)); | |
431 | return(1); | |
432 | } | |
433 | ||
434 | if (fDebugLevel >= 4) | |
435 | { | |
436 | for (int iSlice = 0;iSlice < sliceCountLocal;iSlice++) | |
437 | { | |
8566066c | 438 | *fOutFile << std::endl << std::endl << "Slice: " << fSlaveTrackers[firstSlice + iSlice].Param().ISlice() << std::endl; |
eb08490f | 439 | } |
440 | } | |
441 | ||
442 | memcpy(fGpuTracker, &fSlaveTrackers[firstSlice], sizeof(AliHLTTPCCATracker) * sliceCountLocal); | |
443 | ||
444 | if (fDebugLevel >= 2) HLTInfo("Running GPU Tracker (Slices %d to %d)", fSlaveTrackers[firstSlice].Param().ISlice(), fSlaveTrackers[firstSlice + sliceCountLocal].Param().ISlice()); | |
445 | if (fDebugLevel >= 3) HLTInfo("Allocating GPU Tracker memory and initializing constants"); | |
446 | ||
447 | #ifdef HLTCA_GPU_TIME_PROFILE | |
c7d6f78b | 448 | unsigned __int64 a, b, c, d; |
8566066c | 449 | AliHLTTPCCAStandaloneFramework::StandaloneQueryFreq(&c); |
450 | AliHLTTPCCAStandaloneFramework::StandaloneQueryTime(&d); | |
eb08490f | 451 | #endif |
452 | ||
453 | for (int iSlice = 0;iSlice < sliceCountLocal;iSlice++) | |
454 | { | |
455 | //Make this a GPU Tracker | |
456 | fGpuTracker[iSlice].SetGPUTracker(); | |
457 | fGpuTracker[iSlice].SetGPUTrackerCommonMemory((char*) CommonMemory(fGPUMemory, iSlice)); | |
8566066c | 458 | fGpuTracker[iSlice].SetGPUSliceDataMemory(SliceDataMemory(fGPUMemory, iSlice), RowMemory(fGPUMemory, iSlice)); |
459 | fGpuTracker[iSlice].SetPointersSliceData(&pClusterData[iSlice], false); | |
eb08490f | 460 | |
461 | //Set Pointers to GPU Memory | |
462 | char* tmpMem = (char*) GlobalMemory(fGPUMemory, iSlice); | |
463 | ||
464 | if (fDebugLevel >= 3) HLTInfo("Initialising GPU Hits Memory"); | |
465 | tmpMem = fGpuTracker[iSlice].SetGPUTrackerHitsMemory(tmpMem, pClusterData[iSlice].NumberOfClusters()); | |
466 | tmpMem = alignPointer(tmpMem, 1024 * 1024); | |
467 | ||
468 | if (fDebugLevel >= 3) HLTInfo("Initialising GPU Tracklet Memory"); | |
469 | tmpMem = fGpuTracker[iSlice].SetGPUTrackerTrackletsMemory(tmpMem, HLTCA_GPU_MAX_TRACKLETS /* *fSlaveTrackers[firstSlice + iSlice].NTracklets()*/); | |
470 | tmpMem = alignPointer(tmpMem, 1024 * 1024); | |
471 | ||
472 | if (fDebugLevel >= 3) HLTInfo("Initialising GPU Track Memory"); | |
473 | tmpMem = fGpuTracker[iSlice].SetGPUTrackerTracksMemory(tmpMem, HLTCA_GPU_MAX_TRACKS /* *fSlaveTrackers[firstSlice + iSlice].NTracklets()*/, pClusterData[iSlice].NumberOfClusters()); | |
474 | tmpMem = alignPointer(tmpMem, 1024 * 1024); | |
475 | ||
476 | if (fGpuTracker[iSlice].TrackMemorySize() >= HLTCA_GPU_TRACKS_MEMORY) | |
477 | { | |
478 | HLTError("Insufficiant Track Memory"); | |
479 | return(1); | |
480 | } | |
481 | ||
482 | if (tmpMem - (char*) GlobalMemory(fGPUMemory, iSlice) > HLTCA_GPU_GLOBAL_MEMORY) | |
483 | { | |
484 | HLTError("Insufficiant Global Memory"); | |
485 | return(1); | |
486 | } | |
487 | ||
488 | //Initialize Startup Constants | |
489 | *fSlaveTrackers[firstSlice + iSlice].NTracklets() = 0; | |
490 | *fSlaveTrackers[firstSlice + iSlice].NTracks() = 0; | |
491 | *fSlaveTrackers[firstSlice + iSlice].NTrackHits() = 0; | |
492 | fGpuTracker[iSlice].GPUParametersConst()->fGPUFixedBlockCount = HLTCA_GPU_BLOCK_COUNT * (iSlice + 1) / sliceCountLocal - HLTCA_GPU_BLOCK_COUNT * (iSlice) / sliceCountLocal; | |
493 | if (fDebugLevel >= 3) HLTInfo("Blocks for Slice %d: %d", iSlice, fGpuTracker[iSlice].GPUParametersConst()->fGPUFixedBlockCount); | |
494 | fGpuTracker[iSlice].GPUParametersConst()->fGPUiSlice = iSlice; | |
495 | fGpuTracker[iSlice].GPUParametersConst()->fGPUnSlices = sliceCountLocal; | |
496 | fSlaveTrackers[firstSlice + iSlice].GPUParameters()->fGPUError = 0; | |
8566066c | 497 | fGpuTracker[iSlice].SetGPUTextureBase(fGpuTracker[0].Data().Memory()); |
eb08490f | 498 | } |
499 | ||
500 | #ifdef HLTCA_GPU_TEXTURE_FETCH | |
501 | cudaChannelFormatDesc channelDescu2 = cudaCreateChannelDesc<ushort2>(); | |
502 | size_t offset; | |
503 | if (CudaFailedMsg(cudaBindTexture(&offset, &gAliTexRefu2, fGpuTracker[0].Data().Memory(), &channelDescu2, sliceCountLocal * HLTCA_GPU_SLICE_DATA_MEMORY)) || offset) | |
504 | { | |
505 | HLTError("Error binding CUDA Texture (Offset %d)", (int) offset); | |
506 | return(1); | |
507 | } | |
508 | cudaChannelFormatDesc channelDescu = cudaCreateChannelDesc<unsigned short>(); | |
509 | if (CudaFailedMsg(cudaBindTexture(&offset, &gAliTexRefu, fGpuTracker[0].Data().Memory(), &channelDescu, sliceCountLocal * HLTCA_GPU_SLICE_DATA_MEMORY)) || offset) | |
510 | { | |
511 | HLTError("Error binding CUDA Texture (Offset %d)", (int) offset); | |
512 | return(1); | |
513 | } | |
514 | cudaChannelFormatDesc channelDescs = cudaCreateChannelDesc<signed short>(); | |
515 | if (CudaFailedMsg(cudaBindTexture(&offset, &gAliTexRefs, fGpuTracker[0].Data().Memory(), &channelDescs, sliceCountLocal * HLTCA_GPU_SLICE_DATA_MEMORY)) || offset) | |
516 | { | |
517 | HLTError("Error binding CUDA Texture (Offset %d)", (int) offset); | |
518 | return(1); | |
519 | } | |
520 | #endif | |
521 | ||
522 | //Copy Tracker Object to GPU Memory | |
523 | if (fDebugLevel >= 3) HLTInfo("Copying Tracker objects to GPU"); | |
524 | #ifdef HLTCA_GPU_TRACKLET_CONSTRUCTOR_DO_PROFILE | |
525 | if (CudaFailedMsg(cudaMalloc(&fGpuTracker[0].fStageAtSync, 100000000))) return(1); | |
526 | CudaFailedMsg(cudaMemset(fGpuTracker[0].fStageAtSync, 0, 100000000)); | |
527 | #endif | |
528 | CudaFailedMsg(cudaMemcpyToSymbolAsync(gAliHLTTPCCATracker, fGpuTracker, sizeof(AliHLTTPCCATracker) * sliceCountLocal, 0, cudaMemcpyHostToDevice, cudaStreams[0])); | |
529 | ||
530 | for (int iSlice = 0;iSlice < sliceCountLocal;iSlice++) | |
531 | { | |
532 | StandalonePerfTime(firstSlice + iSlice, 0); | |
533 | ||
534 | //Initialize GPU Slave Tracker | |
535 | if (fDebugLevel >= 3) HLTInfo("Creating Slice Data"); | |
8566066c | 536 | fSlaveTrackers[firstSlice + iSlice].SetGPUSliceDataMemory(SliceDataMemory(fHostLockedMemory, iSlice), RowMemory(fHostLockedMemory, firstSlice + iSlice)); |
eb08490f | 537 | #ifdef HLTCA_GPU_TIME_PROFILE |
8566066c | 538 | AliHLTTPCCAStandaloneFramework::StandaloneQueryTime(&a); |
eb08490f | 539 | #endif |
540 | fSlaveTrackers[firstSlice + iSlice].ReadEvent(&pClusterData[iSlice]); | |
541 | #ifdef HLTCA_GPU_TIME_PROFILE | |
8566066c | 542 | AliHLTTPCCAStandaloneFramework::StandaloneQueryTime(&b); |
eb08490f | 543 | printf("Read %f %f\n", ((double) b - (double) a) / (double) c, ((double) a - (double) d) / (double) c); |
544 | #endif | |
545 | if (fSlaveTrackers[firstSlice + iSlice].Data().MemorySize() > HLTCA_GPU_SLICE_DATA_MEMORY) | |
546 | { | |
547 | HLTError("Insufficiant Slice Data Memory"); | |
548 | return(1); | |
549 | } | |
550 | ||
551 | /*if (fSlaveTrackers[firstSlice + iSlice].CheckEmptySlice()) | |
552 | { | |
553 | if (fDebugLevel >= 3) HLTInfo("Slice Empty, not running GPU Tracker"); | |
554 | if (sliceCountLocal == 1) | |
555 | return(0); | |
556 | }*/ | |
557 | ||
558 | //Initialize temporary memory where needed | |
559 | if (fDebugLevel >= 3) HLTInfo("Copying Slice Data to GPU and initializing temporary memory"); | |
560 | PreInitRowBlocks<<<30, 256, 0, cudaStreams[2]>>>(fGpuTracker[iSlice].RowBlockPos(), fGpuTracker[iSlice].RowBlockTracklets(), fGpuTracker[iSlice].Data().HitWeights(), fSlaveTrackers[firstSlice + iSlice].Data().NumberOfHitsPlusAlign()); | |
561 | ||
562 | //Copy Data to GPU Global Memory | |
563 | CudaFailedMsg(cudaMemcpyAsync(fGpuTracker[iSlice].CommonMemory(), fSlaveTrackers[firstSlice + iSlice].CommonMemory(), fSlaveTrackers[firstSlice + iSlice].CommonMemorySize(), cudaMemcpyHostToDevice, cudaStreams[iSlice & 1])); | |
564 | CudaFailedMsg(cudaMemcpyAsync(fGpuTracker[iSlice].Data().Memory(), fSlaveTrackers[firstSlice + iSlice].Data().Memory(), fSlaveTrackers[firstSlice + iSlice].Data().GpuMemorySize(), cudaMemcpyHostToDevice, cudaStreams[iSlice & 1])); | |
565 | CudaFailedMsg(cudaMemcpyAsync(fGpuTracker[iSlice].SliceDataRows(), fSlaveTrackers[firstSlice + iSlice].SliceDataRows(), (HLTCA_ROW_COUNT + 1) * sizeof(AliHLTTPCCARow), cudaMemcpyHostToDevice, cudaStreams[iSlice & 1])); | |
566 | ||
567 | if (fDebugLevel >= 4) | |
568 | { | |
569 | if (fDebugLevel >= 5) HLTInfo("Allocating Debug Output Memory"); | |
570 | fSlaveTrackers[firstSlice + iSlice].TrackletMemory() = reinterpret_cast<char*> ( new uint4 [ fGpuTracker[iSlice].TrackletMemorySize()/sizeof( uint4 ) + 100] ); | |
571 | fSlaveTrackers[firstSlice + iSlice].SetPointersTracklets( HLTCA_GPU_MAX_TRACKLETS ); | |
572 | fSlaveTrackers[firstSlice + iSlice].HitMemory() = reinterpret_cast<char*> ( new uint4 [ fGpuTracker[iSlice].HitMemorySize()/sizeof( uint4 ) + 100] ); | |
573 | fSlaveTrackers[firstSlice + iSlice].SetPointersHits( pClusterData[iSlice].NumberOfClusters() ); | |
574 | } | |
575 | ||
576 | if (CUDASync("Initialization")) return(1); | |
577 | StandalonePerfTime(firstSlice + iSlice, 1); | |
578 | ||
579 | if (fDebugLevel >= 3) HLTInfo("Running GPU Neighbours Finder"); | |
580 | AliHLTTPCCAProcess<AliHLTTPCCANeighboursFinder> <<<fSlaveTrackers[firstSlice + iSlice].Param().NRows(), 256, 0, cudaStreams[iSlice & 1]>>>(iSlice); | |
581 | ||
582 | if (CUDASync("Neighbours finder")) return 1; | |
583 | ||
584 | StandalonePerfTime(firstSlice + iSlice, 2); | |
585 | ||
586 | if (fDebugLevel >= 4) | |
587 | { | |
588 | CudaFailedMsg(cudaMemcpy(fSlaveTrackers[firstSlice + iSlice].Data().Memory(), fGpuTracker[iSlice].Data().Memory(), fSlaveTrackers[firstSlice + iSlice].Data().GpuMemorySize(), cudaMemcpyDeviceToHost)); | |
589 | fSlaveTrackers[firstSlice + iSlice].DumpLinks(*fOutFile); | |
590 | } | |
591 | ||
592 | if (fDebugLevel >= 3) HLTInfo("Running GPU Neighbours Cleaner"); | |
593 | AliHLTTPCCAProcess<AliHLTTPCCANeighboursCleaner> <<<fSlaveTrackers[firstSlice + iSlice].Param().NRows()-2, 256, 0, cudaStreams[iSlice & 1]>>>(iSlice); | |
594 | if (CUDASync("Neighbours Cleaner")) return 1; | |
595 | ||
596 | StandalonePerfTime(firstSlice + iSlice, 3); | |
597 | ||
598 | if (fDebugLevel >= 4) | |
599 | { | |
600 | CudaFailedMsg(cudaMemcpy(fSlaveTrackers[firstSlice + iSlice].Data().Memory(), fGpuTracker[iSlice].Data().Memory(), fSlaveTrackers[firstSlice + iSlice].Data().GpuMemorySize(), cudaMemcpyDeviceToHost)); | |
601 | fSlaveTrackers[firstSlice + iSlice].DumpLinks(*fOutFile); | |
602 | } | |
603 | ||
604 | if (fDebugLevel >= 3) HLTInfo("Running GPU Start Hits Finder"); | |
605 | AliHLTTPCCAProcess<AliHLTTPCCAStartHitsFinder> <<<fSlaveTrackers[firstSlice + iSlice].Param().NRows()-6, 256, 0, cudaStreams[iSlice & 1]>>>(iSlice); | |
606 | if (CUDASync("Start Hits Finder")) return 1; | |
607 | ||
608 | StandalonePerfTime(firstSlice + iSlice, 4); | |
609 | ||
610 | if (fDebugLevel >= 3) HLTInfo("Running GPU Start Hits Sorter"); | |
611 | AliHLTTPCCAProcess<AliHLTTPCCAStartHitsSorter> <<<30, 256, 0, cudaStreams[iSlice & 1]>>>(iSlice); | |
612 | if (CUDASync("Start Hits Sorter")) return 1; | |
613 | ||
614 | StandalonePerfTime(firstSlice + iSlice, 5); | |
615 | ||
616 | if (fDebugLevel >= 2) | |
617 | { | |
618 | CudaFailedMsg(cudaMemcpy(fSlaveTrackers[firstSlice + iSlice].CommonMemory(), fGpuTracker[iSlice].CommonMemory(), fGpuTracker[iSlice].CommonMemorySize(), cudaMemcpyDeviceToHost)); | |
619 | if (fDebugLevel >= 3) HLTInfo("Obtaining Number of Start Hits from GPU: %d", *fSlaveTrackers[firstSlice + iSlice].NTracklets()); | |
620 | if (*fSlaveTrackers[firstSlice + iSlice].NTracklets() > HLTCA_GPU_MAX_TRACKLETS) | |
621 | { | |
622 | HLTError("HLTCA_GPU_MAX_TRACKLETS constant insuffisant"); | |
623 | return(1); | |
624 | } | |
625 | } | |
626 | ||
627 | if (fDebugLevel >= 4) | |
628 | { | |
629 | *fOutFile << "Temporary "; | |
630 | CudaFailedMsg(cudaMemcpy(fSlaveTrackers[firstSlice + iSlice].TrackletStartHits(), fGpuTracker[iSlice].TrackletTmpStartHits(), pClusterData[iSlice].NumberOfClusters() * sizeof(AliHLTTPCCAHitId), cudaMemcpyDeviceToHost)); | |
631 | fSlaveTrackers[firstSlice + iSlice].DumpStartHits(*fOutFile); | |
632 | uint3* tmpMemory = (uint3*) malloc(sizeof(uint3) * fSlaveTrackers[firstSlice + iSlice].Param().NRows()); | |
633 | CudaFailedMsg(cudaMemcpy(tmpMemory, fGpuTracker[iSlice].RowStartHitCountOffset(), fSlaveTrackers[firstSlice + iSlice].Param().NRows() * sizeof(uint3), cudaMemcpyDeviceToHost)); | |
634 | *fOutFile << "Start Hits Sort Vector:" << std::endl; | |
635 | for (int i = 0;i < fSlaveTrackers[firstSlice + iSlice].Param().NRows();i++) | |
636 | { | |
637 | *fOutFile << "Row: " << i << ", Len: " << tmpMemory[i].x << ", Offset: " << tmpMemory[i].y << ", New Offset: " << tmpMemory[i].z << std::endl; | |
638 | } | |
639 | free(tmpMemory); | |
640 | ||
641 | CudaFailedMsg(cudaMemcpy(fSlaveTrackers[firstSlice + iSlice].HitMemory(), fGpuTracker[iSlice].HitMemory(), fSlaveTrackers[firstSlice + iSlice].HitMemorySize(), cudaMemcpyDeviceToHost)); | |
642 | fSlaveTrackers[firstSlice + iSlice].DumpStartHits(*fOutFile); | |
643 | } | |
644 | ||
645 | StandalonePerfTime(firstSlice + iSlice, 6); | |
646 | ||
647 | fSlaveTrackers[firstSlice + iSlice].SetGPUTrackerTracksMemory((char*) TracksMemory(fHostLockedMemory, iSlice), HLTCA_GPU_MAX_TRACKS, pClusterData[iSlice].NumberOfClusters()); | |
648 | } | |
649 | ||
650 | StandalonePerfTime(firstSlice, 7); | |
651 | #ifdef HLTCA_GPU_PREFETCHDATA | |
652 | for (int iSlice = 0;iSlice < sliceCountLocal;iSlice++) | |
653 | { | |
654 | if (fSlaveTrackers[firstSlice + iSlice].Data().GPUSharedDataReq() * sizeof(ushort_v) > ALIHLTTPCCATRACKLET_CONSTRUCTOR_TEMP_MEM / 4 * sizeof(uint4)) | |
655 | { | |
656 | HLTError("Insufficiant GPU shared Memory, required: %d, available %d", fSlaveTrackers[firstSlice + iSlice].Data().GPUSharedDataReq() * sizeof(ushort_v), ALIHLTTPCCATRACKLET_CONSTRUCTOR_TEMP_MEM / 4 * sizeof(uint4)); | |
657 | return(1); | |
658 | } | |
659 | if (fDebugLevel >= 1) | |
660 | { | |
661 | static int infoShown = 0; | |
662 | if (!infoShown) | |
663 | { | |
664 | HLTInfo("GPU Shared Memory Cache Size: %d", 2 * fSlaveTrackers[firstSlice + iSlice].Data().GPUSharedDataReq() * sizeof(ushort_v)); | |
665 | infoShown = 1; | |
666 | } | |
667 | } | |
668 | } | |
669 | #endif | |
670 | ||
671 | if (fDebugLevel >= 3) HLTInfo("Initialising Tracklet Constructor Scheduler"); | |
672 | for (int iSlice = 0;iSlice < sliceCountLocal;iSlice++) | |
673 | { | |
674 | AliHLTTPCCATrackletConstructorInit<<<HLTCA_GPU_MAX_TRACKLETS /* *fSlaveTrackers[firstSlice + iSlice].NTracklets() */ / HLTCA_GPU_THREAD_COUNT + 1, HLTCA_GPU_THREAD_COUNT>>>(iSlice); | |
675 | if (CUDASync("Tracklet Initializer")) return 1; | |
676 | DumpRowBlocks(fSlaveTrackers, iSlice); | |
677 | } | |
678 | ||
679 | if (fDebugLevel >= 3) HLTInfo("Running GPU Tracklet Constructor"); | |
680 | AliHLTTPCCATrackletConstructorNewGPU<<<HLTCA_GPU_BLOCK_COUNT, HLTCA_GPU_THREAD_COUNT>>>(); | |
681 | if (CUDASync("Tracklet Constructor (new)")) return 1; | |
682 | ||
683 | StandalonePerfTime(firstSlice, 8); | |
684 | ||
685 | if (fDebugLevel >= 4) | |
686 | { | |
687 | for (int iSlice = 0;iSlice < sliceCountLocal;iSlice++) | |
688 | { | |
689 | DumpRowBlocks(&fSlaveTrackers[firstSlice], iSlice, false); | |
690 | CudaFailedMsg(cudaMemcpy(fSlaveTrackers[firstSlice + iSlice].CommonMemory(), fGpuTracker[iSlice].CommonMemory(), fGpuTracker[iSlice].CommonMemorySize(), cudaMemcpyDeviceToHost)); | |
691 | if (fDebugLevel >= 5) | |
692 | { | |
693 | HLTInfo("Obtained %d tracklets", *fSlaveTrackers[firstSlice + iSlice].NTracklets()); | |
694 | } | |
695 | CudaFailedMsg(cudaMemcpy(fSlaveTrackers[firstSlice + iSlice].TrackletMemory(), fGpuTracker[iSlice].TrackletMemory(), fGpuTracker[iSlice].TrackletMemorySize(), cudaMemcpyDeviceToHost)); | |
696 | CudaFailedMsg(cudaMemcpy(fSlaveTrackers[firstSlice + iSlice].HitMemory(), fGpuTracker[iSlice].HitMemory(), fGpuTracker[iSlice].HitMemorySize(), cudaMemcpyDeviceToHost)); | |
697 | fSlaveTrackers[firstSlice + iSlice].DumpTrackletHits(*fOutFile); | |
698 | } | |
699 | } | |
700 | ||
c7d6f78b | 701 | int runSlices = 0; |
702 | for (int iSlice = 0;iSlice < sliceCountLocal;iSlice += runSlices) | |
eb08490f | 703 | { |
c7d6f78b | 704 | if (runSlices < HLTCA_GPU_TRACKLET_SELECTOR_SLICE_COUNT) runSlices++; |
705 | if (fDebugLevel >= 3) HLTInfo("Running HLT Tracklet selector (Slice %d to %d)", iSlice, iSlice + runSlices); | |
706 | AliHLTTPCCAProcessMulti<AliHLTTPCCATrackletSelector><<<HLTCA_GPU_BLOCK_COUNT, HLTCA_GPU_THREAD_COUNT, 0, cudaStreams[iSlice]>>>(iSlice, CAMath::Min(runSlices, sliceCountLocal - iSlice)); | |
eb08490f | 707 | } |
708 | if (CUDASync("Tracklet Selector")) return 1; | |
709 | StandalonePerfTime(firstSlice, 9); | |
710 | ||
711 | CudaFailedMsg(cudaMemcpyAsync(fSlaveTrackers[firstSlice + 0].CommonMemory(), fGpuTracker[0].CommonMemory(), fGpuTracker[0].CommonMemorySize(), cudaMemcpyDeviceToHost, cudaStreams[0])); | |
712 | for (int iSliceTmp = 0;iSliceTmp <= sliceCountLocal;iSliceTmp++) | |
713 | { | |
714 | if (iSliceTmp < sliceCountLocal) | |
715 | { | |
716 | int iSlice = iSliceTmp; | |
717 | if (fDebugLevel >= 3) HLTInfo("Transfering Tracks from GPU to Host"); | |
718 | cudaStreamSynchronize(cudaStreams[iSlice]); | |
719 | CudaFailedMsg(cudaMemcpyAsync(fSlaveTrackers[firstSlice + iSlice].Tracks(), fGpuTracker[iSlice].Tracks(), sizeof(AliHLTTPCCATrack) * *fSlaveTrackers[firstSlice + iSlice].NTracks(), cudaMemcpyDeviceToHost, cudaStreams[iSlice])); | |
720 | CudaFailedMsg(cudaMemcpyAsync(fSlaveTrackers[firstSlice + iSlice].TrackHits(), fGpuTracker[iSlice].TrackHits(), sizeof(AliHLTTPCCAHitId) * *fSlaveTrackers[firstSlice + iSlice].NTrackHits(), cudaMemcpyDeviceToHost, cudaStreams[iSlice])); | |
721 | if (iSlice + 1 < sliceCountLocal) | |
722 | CudaFailedMsg(cudaMemcpyAsync(fSlaveTrackers[firstSlice + iSlice + 1].CommonMemory(), fGpuTracker[iSlice + 1].CommonMemory(), fGpuTracker[iSlice + 1].CommonMemorySize(), cudaMemcpyDeviceToHost, cudaStreams[iSlice + 1])); | |
723 | } | |
724 | ||
725 | if (iSliceTmp) | |
726 | { | |
727 | int iSlice = iSliceTmp - 1; | |
728 | cudaStreamSynchronize(cudaStreams[iSlice]); | |
729 | ||
730 | if (fDebugLevel >= 4) | |
731 | { | |
732 | CudaFailedMsg(cudaMemcpy(fSlaveTrackers[firstSlice + iSlice].Data().HitWeights(), fGpuTracker[iSlice].Data().HitWeights(), fSlaveTrackers[firstSlice + iSlice].Data().NumberOfHitsPlusAlign() * sizeof(int), cudaMemcpyDeviceToHost)); | |
733 | fSlaveTrackers[firstSlice + iSlice].DumpHitWeights(*fOutFile); | |
734 | fSlaveTrackers[firstSlice + iSlice].DumpTrackHits(*fOutFile); | |
735 | } | |
736 | ||
737 | if (fSlaveTrackers[firstSlice + iSlice].GPUParameters()->fGPUError) | |
738 | { | |
739 | HLTError("GPU Tracker returned Error Code %d", fSlaveTrackers[firstSlice + iSlice].GPUParameters()->fGPUError); | |
740 | return(1); | |
741 | } | |
742 | if (fDebugLevel >= 3) HLTInfo("Tracks Transfered: %d / %d", *fSlaveTrackers[firstSlice + iSlice].NTracks(), *fSlaveTrackers[firstSlice + iSlice].NTrackHits()); | |
743 | ||
744 | fSlaveTrackers[firstSlice + iSlice].SetOutput(&pOutput[iSlice]); | |
745 | #ifdef HLTCA_GPU_TIME_PROFILE | |
8566066c | 746 | AliHLTTPCCAStandaloneFramework::StandaloneQueryTime(&a); |
eb08490f | 747 | #endif |
748 | fSlaveTrackers[firstSlice + iSlice].WriteOutput(); | |
749 | #ifdef HLTCA_GPU_TIME_PROFILE | |
8566066c | 750 | AliHLTTPCCAStandaloneFramework::StandaloneQueryTime(&b); |
eb08490f | 751 | printf("Write %f %f\n", ((double) b - (double) a) / (double) c, ((double) a - (double) d) / (double) c); |
752 | #endif | |
753 | ||
754 | if (fDebugLevel >= 4) | |
755 | { | |
756 | delete[] fSlaveTrackers[firstSlice + iSlice].HitMemory(); | |
757 | delete[] fSlaveTrackers[firstSlice + iSlice].TrackletMemory(); | |
758 | } | |
759 | } | |
760 | } | |
761 | ||
762 | StandalonePerfTime(firstSlice, 10); | |
763 | ||
764 | if (fDebugLevel >= 3) HLTInfo("GPU Reconstruction finished"); | |
765 | ||
766 | #ifdef HLTCA_GPU_TRACKLET_CONSTRUCTOR_DO_PROFILE | |
767 | char* stageAtSync = (char*) malloc(100000000); | |
768 | CudaFailedMsg(cudaMemcpy(stageAtSync, fGpuTracker[0].fStageAtSync, 100 * 1000 * 1000, cudaMemcpyDeviceToHost)); | |
769 | cudaFree(fGpuTracker[0].fStageAtSync); | |
770 | ||
771 | FILE* fp = fopen("profile.txt", "w+"); | |
772 | FILE* fp2 = fopen("profile.bmp", "w+b"); | |
773 | int nEmptySync = 0, fEmpty; | |
774 | ||
775 | const int bmpheight = 1000; | |
776 | BITMAPFILEHEADER bmpFH; | |
777 | BITMAPINFOHEADER bmpIH; | |
778 | ZeroMemory(&bmpFH, sizeof(bmpFH)); | |
779 | ZeroMemory(&bmpIH, sizeof(bmpIH)); | |
780 | ||
781 | bmpFH.bfType = 19778; //"BM" | |
782 | bmpFH.bfSize = sizeof(bmpFH) + sizeof(bmpIH) + (HLTCA_GPU_BLOCK_COUNT * HLTCA_GPU_THREAD_COUNT / 32 * 33 - 1) * bmpheight ; | |
783 | bmpFH.bfOffBits = sizeof(bmpFH) + sizeof(bmpIH); | |
784 | ||
785 | bmpIH.biSize = sizeof(bmpIH); | |
786 | bmpIH.biWidth = HLTCA_GPU_BLOCK_COUNT * HLTCA_GPU_THREAD_COUNT / 32 * 33 - 1; | |
787 | bmpIH.biHeight = bmpheight; | |
788 | bmpIH.biPlanes = 1; | |
789 | bmpIH.biBitCount = 32; | |
790 | ||
791 | fwrite(&bmpFH, 1, sizeof(bmpFH), fp2); | |
792 | fwrite(&bmpIH, 1, sizeof(bmpIH), fp2); | |
793 | ||
794 | for (int i = 0;i < bmpheight * HLTCA_GPU_BLOCK_COUNT * HLTCA_GPU_THREAD_COUNT;i += HLTCA_GPU_BLOCK_COUNT * HLTCA_GPU_THREAD_COUNT) | |
795 | { | |
796 | fEmpty = 1; | |
797 | for (int j = 0;j < HLTCA_GPU_BLOCK_COUNT * HLTCA_GPU_THREAD_COUNT;j++) | |
798 | { | |
799 | fprintf(fp, "%d\t", stageAtSync[i + j]); | |
800 | int color = 0; | |
801 | if (stageAtSync[i + j] == 1) color = RGB(255, 0, 0); | |
802 | if (stageAtSync[i + j] == 2) color = RGB(0, 255, 0); | |
803 | if (stageAtSync[i + j] == 3) color = RGB(0, 0, 255); | |
804 | if (stageAtSync[i + j] == 4) color = RGB(255, 255, 0); | |
805 | fwrite(&color, 1, sizeof(int), fp2); | |
806 | if (j > 0 && j % 32 == 0) | |
807 | { | |
808 | color = RGB(255, 255, 255); | |
809 | fwrite(&color, 1, 4, fp2); | |
810 | } | |
811 | if (stageAtSync[i + j]) fEmpty = 0; | |
812 | } | |
813 | fprintf(fp, "\n"); | |
814 | if (fEmpty) nEmptySync++; | |
815 | else nEmptySync = 0; | |
816 | //if (nEmptySync == HLTCA_GPU_SCHED_ROW_STEP + 2) break; | |
817 | } | |
818 | ||
819 | fclose(fp); | |
820 | fclose(fp2); | |
821 | free(stageAtSync); | |
822 | #endif | |
823 | ||
824 | return(0); | |
825 | } | |
826 | ||
827 | int AliHLTTPCCAGPUTracker::InitializeSliceParam(int iSlice, AliHLTTPCCAParam ¶m) | |
828 | { | |
829 | //Initialize Slice Tracker Parameter for a slave tracker | |
830 | fSlaveTrackers[iSlice].Initialize(param); | |
831 | if (fSlaveTrackers[iSlice].Param().NRows() != HLTCA_ROW_COUNT) | |
832 | { | |
833 | HLTError("Error, Slice Tracker %d Row Count of %d exceeds Constant of %d", iSlice, fSlaveTrackers[iSlice].Param().NRows(), HLTCA_ROW_COUNT); | |
834 | return(1); | |
835 | } | |
836 | return(0); | |
837 | } | |
838 | ||
839 | int AliHLTTPCCAGPUTracker::ExitGPU() | |
840 | { | |
841 | //Uninitialize CUDA | |
842 | cudaThreadSynchronize(); | |
843 | if (fGPUMemory) | |
844 | { | |
845 | cudaFree(fGPUMemory); | |
846 | fGPUMemory = NULL; | |
847 | } | |
848 | if (fHostLockedMemory) | |
849 | { | |
850 | for (int i = 0;i < CAMath::Max(3, fSliceCount);i++) | |
851 | { | |
852 | cudaStreamDestroy(((cudaStream_t*) fpCudaStreams)[i]); | |
853 | } | |
854 | free(fpCudaStreams); | |
855 | fGpuTracker = NULL; | |
856 | cudaFreeHost(fHostLockedMemory); | |
857 | } | |
858 | ||
859 | if (CudaFailedMsg(cudaThreadExit())) | |
860 | { | |
861 | HLTError("Could not uninitialize GPU"); | |
862 | return(1); | |
863 | } | |
864 | HLTInfo("CUDA Uninitialized"); | |
865 | fgGPUUsed = false; | |
866 | return(0); | |
867 | } | |
868 | ||
869 | void AliHLTTPCCAGPUTracker::SetOutputControl( AliHLTTPCCASliceOutput::outputControlStruct* val) | |
870 | { | |
871 | fOutputControl = val; | |
872 | for (int i = 0;i < fgkNSlices;i++) | |
873 | { | |
874 | fSlaveTrackers[i].SetOutputControl(val); | |
875 | } | |
876 | } | |
877 | ||
8566066c | 878 | #endif |