-#ifndef ALIHLTTPCCAGPUCONFIG_H\r
-#define ALIHLTTPCCAGPUCONFIG_H\r
-\r
-#define HLTCA_GPU_BLOCK_COUNT 30\r
-#define HLTCA_GPU_THREAD_COUNT 256\r
-\r
-#define HLTCA_GPU_WARP_SIZE 32\r
-#define HLTCA_GPU_REGS 64\r
-#define HLTCA_ROW_COUNT 159\r
-\r
-#define HLTCA_GPU_ROWALIGNMENT uint4\r
-#define HLTCA_GPU_ROWCOPY int\r
-#define HLTCA_GPU_TRACKLET_CONSTRUCTOR_NMEMTHREDS 32
-//#define HLTCA_GPU_PREFETCHDATA
-//#define HLTCA_GPU_PREFETCH_ROWBLOCK_ONLY
-
-#define HLTCA_GPU_SCHED_ROW_STEP 32
-#define HLTCA_GPU_SCHED_FIXED_START
-//#define HLTCA_GPU_SCHED_FIXED_SLICE
-#define HLTCA_GPU_RESCHED
-
-#define HLTCA_GPU_TEXTURE_FETCH
-
-//#define HLTCA_GPU_TRACKLET_CONSTRUCTOR_DO_PROFILE
+#ifndef ALIHLTTPCCAGPUCONFIG_H
+#define ALIHLTTPCCAGPUCONFIG_H
+
+//GPU Run Configuration
+#define HLTCA_GPU_BLOCK_COUNT 30
+#define HLTCA_GPU_THREAD_COUNT 256
+
+//GPU Parameters
+#define HLTCA_GPU_WARP_SIZE 32
+#define HLTCA_GPU_REGS 64
+
+//Detector Parameters
+#define HLTCA_ROW_COUNT 159
+
+#define HLTCA_GPU_ROWALIGNMENT uint4 //Align Row Hits and Grid
+#define HLTCA_GPU_ROWCOPY int //must not be bigger than row alignment!!!
+#define HLTCA_GPU_TRACKLET_CONSTRUCTOR_NMEMTHREDS 32 //Amound of threads to reserve for memory copy
+//#define HLTCA_GPU_PREFETCHDATA //Fetch Row Data (Hits / Grid) into shared memory during Tracklet Construction
+//#define HLTCA_GPU_PREFETCH_ROWBLOCK_ONLY //Prefetch only row parameters for current block during tracklet construction, faster for UpdateTracklet but shared cache can not be used for StoreTracklet then
+
+#define HLTCA_GPU_SCHED_ROW_STEP 32 //Amount of Rows to process in one step before rescheduling
+#define HLTCA_GPU_SCHED_FIXED_START //Assign each GPU thread a start tracklet to start with instead of using the scheduler to obtain start tracklet
+//#define HLTCA_GPU_SCHED_FIXED_SLICE //Make each Multiprocessor on GPU work only on a single slice during tracklet construction
+#define HLTCA_GPU_RESCHED //Use dynamic tracklet scheduling
+
+#define HLTCA_GPU_TEXTURE_FETCH //Fetch data through texture cache
+
+//#define HLTCA_GPU_TRACKLET_CONSTRUCTOR_DO_PROFILE //Output Profiling Data for Tracklet Constructor Tracklet Scheduling
+//#define HLTCA_GPU_TIME_PROFILE //Output Time Profiling Data for asynchronous DMA transfer
#define HLTCA_GPU_TRACKLET_SELECTOR_HITS_REG_SIZE 12
#define HLTCA_GPU_TRACKLET_SELECTOR_SLICE_COUNT 3 //Currently must be smaller than avaiable MultiProcessors on GPU or will result in wrong results
-#define HLTCA_GPU_SORT_DUMPDATA
+#define HLTCA_GPU_SORT_DUMPDATA //Sort Start Hits etc before dumping to file
-#define HLTCA_GPU_MAX_TRACKLETS 12288 //Should be divisible by 16 at least
-#define HLTCA_GPU_MAX_TRACKS 3072\r
+#define HLTCA_GPU_MAX_TRACKLETS 12288 //Max Number of Tracklets that can be processed by GPU Tracker, Should be divisible by 16 at least
+#define HLTCA_GPU_MAX_TRACKS 3072 //Max number of Tracks that can be processd by GPU Tracker
-//#define HLTCA_GPU_EMULATION_SINGLE_TRACKLET 1313
+//#define HLTCA_GPU_EMULATION_SINGLE_TRACKLET 1313 //Run Tracklet constructor on on single Tracklet in Device Emulation Mode
//#define HLTCA_GPU_EMULATION_DEBUG_TRACKLET 1313
-#define HLTCA_GPU_TRACKER_CONSTANT_MEM 65000
+#define HLTCA_GPU_TRACKER_CONSTANT_MEM 65000 //Amount of Constant Memory to reserve
-#define HLTCA_GPU_TRACKER_OBJECT_MEMORY 1024 * 1024
-#define HLTCA_GPU_ROWS_MEMORY 1024 * 1024
-#define HLTCA_GPU_COMMON_MEMORY 1024 * 1024
-#define HLTCA_GPU_SLICE_DATA_MEMORY 7 * 1024 * 1024
-#define HLTCA_GPU_GLOBAL_MEMORY 20 * 1024 * 1024
-#define HLTCA_GPU_TRACKS_MEMORY 2 * 1024 * 1024
+#define HLTCA_GPU_TRACKER_OBJECT_MEMORY 1024 * 1024 //Total amount of Memory to reserve for GPU Tracker Objects
+#define HLTCA_GPU_ROWS_MEMORY 1024 * 1024 //Total amount of Memory to reserve for GPU Row Parameters
+#define HLTCA_GPU_COMMON_MEMORY 1024 * 1024 //Total amount of Memory to reserve for CommomMemoryStruct on GPU
+#define HLTCA_GPU_SLICE_DATA_MEMORY 7 * 1024 * 1024 //Amount of Slice Data Memory to reserve per Slice on GPU
+#define HLTCA_GPU_GLOBAL_MEMORY 20 * 1024 * 1024 //Amount of global temporary Memory to reserve per Slice on GPU
+#define HLTCA_GPU_TRACKS_MEMORY 2 * 1024 * 1024 //Amount of Memory to reserve for Final Tracks per Slice on GPU
+
+//Make sure options do not interfere
#ifndef HLTCA_GPUCODE
+//No texture fetch for CPU Tracker
#ifdef HLTCA_GPU_TEXTURE_FETCH
#undef HLTCA_GPU_TEXTURE_FETCH
#endif
-
+//No Shared memory cache for CPU Tracker
#ifdef HLTCA_GPU_PREFETCHDATA
#undef HLTCA_GPU_PREFETCHDATA
#endif
-
+//Do not cache Row Hits during Tracklet selection in Registers for CPU Tracker
#undef HLTCA_GPU_TRACKLET_SELECTOR_HITS_REG_SIZE
#define HLTCA_GPU_TRACKLET_SELECTOR_HITS_REG_SIZE 0
-
#else
+//Sort start hits for GPU tracker
#define HLTCA_GPU_SORT_STARTHITS
#endif
+//If not using Row Based schreduling or not using shared memory cache do not reserve threads for shared memory copy
#if !defined(HLTCA_GPU_PREFETCHDATA) | !defined(HLTCA_GPU_RESCHED)
#undef HLTCA_GPU_TRACKLET_CONSTRUCTOR_NMEMTHREDS
#define HLTCA_GPU_TRACKLET_CONSTRUCTOR_NMEMTHREDS 0
#endif
+//Error Codes for GPU Tracker
#define HLTCA_GPU_ERROR_NONE 0
#define HLTCA_GPU_ERROR_ROWBLOCK_TRACKLET_OVERFLOW 1
-#define HLTCA_GPU_ERROR_TRACKLET_OVERFLOW 2\r
-#define HLTCA_GPU_ERROR_TRACK_OVERFLOW 3\r
-#define HLTCA_GPU_ERROR_SCHEDULE_COLLISION 4\r
+#define HLTCA_GPU_ERROR_TRACKLET_OVERFLOW 2
+#define HLTCA_GPU_ERROR_TRACK_OVERFLOW 3
+#define HLTCA_GPU_ERROR_SCHEDULE_COLLISION 4
+
+#endif
-#endif
\ No newline at end of file
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff