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HostCUDA.cu
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#ifdef _WIN32
#define NOMINMAX
#endif
#ifdef CUDA_MEMPOOL
#define GPU_MEMPOOL
#endif
#ifdef CUDA_INSTRUMENT_WRS
#define GPU_INSTRUMENT_WRS
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include <float.h>
// #include <cutil.h>
#include "CudaFunctions.h"
#include "HostCUDA.h"
#include "EwaldCUDA.h"
#include "wr.h"
#define CmiMyPe() _Cmi_mype
extern int _Cmi_mype;
//extern workRequestQueue *wrQueue;
//extern void **devBuffers;
//extern cudaStream_t kernel_stream;
__device__ __constant__ EwaldReadOnlyData cachedData[1];
__device__ __constant__ EwtData ewt[sizeof(EwtData) * NEWH];
//__constant__ constantData[88];
//
//
#ifdef CUDA_TRACE
extern "C" void traceUserBracketEvent(int e, double beginT, double endT);
extern "C" double CmiWallTimer();
#endif
void allocatePinnedHostMemory(void **ptr, int size){
if(size <= 0){
*((char **)ptr) = NULL;
#ifdef CUDA_PRINT_ERRORS
printf("allocatePinnedHostMemory: 0 size!\n");
#endif
exit(-1);
return;
}
#ifdef CUDA_MEMPOOL
*ptr = hapi_poolMalloc(size);
#else
cudaMallocHost(ptr, size);
#endif
#ifdef CUDA_PRINT_ERRORS
printf("allocatePinnedHostMemory: %s size: %d\n", cudaGetErrorString( cudaGetLastError() ), size);
#endif
}
void freePinnedHostMemory(void *ptr){
if(ptr == NULL){
#ifdef CUDA_PRINT_ERRORS
printf("freePinnedHostMemory: NULL ptr!\n");
#endif
exit(-1);
return;
}
#ifdef CUDA_MEMPOOL
hapi_poolFree(ptr);
#else
delayedFree(ptr);
#endif
#ifdef CUDA_PRINT_ERRORS
printf("freePinnedHostMemory: %s\n", cudaGetErrorString( cudaGetLastError() ));
#endif
}
#ifdef CUDA_INSTRUMENT_WRS
void DataManagerTransferLocalTree(CudaMultipoleMoments *moments, int nMoments, CompactPartData *compactParts, int nCompactParts, int mype, char phase) {
#else
void DataManagerTransferLocalTree(CudaMultipoleMoments *moments, int nMoments, CompactPartData *compactParts, int nCompactParts, int mype) {
#endif
workRequest transferKernel;
dataInfo *buf;
int size;
// operation will not invoke a kernel
transferKernel.dimGrid = dim3(0);
transferKernel.dimBlock = dim3(0);
transferKernel.smemSize = 0;
transferKernel.nBuffers = DM_TRANSFER_LOCAL_NBUFFERS;
/* schedule two buffers for transfer to the GPU */
transferKernel.bufferInfo = (dataInfo *) malloc(transferKernel.nBuffers * sizeof(dataInfo));
buf = &(transferKernel.bufferInfo[LOCAL_MOMENTS_IDX]);
buf->bufferID = LOCAL_MOMENTS;
buf->freeBuffer = NO;
size = (nMoments) * sizeof(CudaMultipoleMoments);
buf->size = size;
buf->transferToDevice = size > 0 ? YES : NO;
buf->transferFromDevice = NO;
//double mill = 1e6;
//printf("(%d) DM local moments: %f mbytes\n", mype, 1.0*size/mill);
#ifdef CUDA_PRINT_ERRORS
printf("(%d) DMLocal 0000: %s\n", mype, cudaGetErrorString( cudaGetLastError() ));
#endif
if(size > 0){
#ifdef CUDA_USE_CUDAMALLOCHOST
#ifdef CUDA_MEMPOOL
buf->hostBuffer = hapi_poolMalloc(size);
#else
cudaMallocHost(&buf->hostBuffer, size);
#endif
#else
buf->hostBuffer = malloc(size);
#endif
}
else{
buf->hostBuffer = NULL;
}
#ifdef CUDA_PRINT_ERRORS
printf("(%d) DMLocal 0: %s hostBuf: 0x%x, size: %d\n", mype, cudaGetErrorString( cudaGetLastError() ), buf->hostBuffer, size );
#endif
memcpy(buf->hostBuffer, moments, size);
buf = &(transferKernel.bufferInfo[LOCAL_PARTICLE_CORES_IDX]);
buf->bufferID = LOCAL_PARTICLE_CORES;
buf->freeBuffer = NO;
size = (nCompactParts)*sizeof(CompactPartData);
buf->size = size;
buf->transferToDevice = size > 0 ? YES : NO;
buf->transferFromDevice = NO;
if(size > 0){
#ifdef CUDA_USE_CUDAMALLOCHOST
#ifdef CUDA_MEMPOOL
buf->hostBuffer = hapi_poolMalloc(size);
#else
cudaMallocHost(&buf->hostBuffer, size);
#endif
#else
buf->hostBuffer = malloc(size);
#endif
#ifdef CUDA_PRINT_ERRORS
printf("(%d) DMLocal 1: %s\n", mype, cudaGetErrorString( cudaGetLastError() ) );
#endif
memcpy(buf->hostBuffer, compactParts, size);
}
else{
buf->hostBuffer = NULL;
}
VariablePartData *zeroArray;
buf = &(transferKernel.bufferInfo[LOCAL_PARTICLE_VARS_IDX]);
buf->bufferID = LOCAL_PARTICLE_VARS;
buf->freeBuffer = NO;
size = (nCompactParts)*sizeof(VariablePartData);
buf->size = size;
buf->transferToDevice = size > 0 ? YES : NO;
buf->transferFromDevice = NO;
if(size > 0){
#ifdef CUDA_USE_CUDAMALLOCHOST
#ifdef CUDA_MEMPOOL
buf->hostBuffer = hapi_poolMalloc(size);
#else
cudaMallocHost(&buf->hostBuffer, size);
#endif
#else
buf->hostBuffer = malloc(size);
#endif
#ifdef CUDA_PRINT_ERRORS
printf("(%d) DMLocal 2: %s\n", mype, cudaGetErrorString( cudaGetLastError() ));
#endif
zeroArray = (VariablePartData *) buf->hostBuffer;
for(int i = 0; i < nCompactParts; i++){
zeroArray[i].a.x = 0.0;
zeroArray[i].a.y = 0.0;
zeroArray[i].a.z = 0.0;
zeroArray[i].potential = 0.0;
}
}
else{
buf->hostBuffer = NULL;
}
transferKernel.callbackFn = 0;
transferKernel.id = DM_TRANSFER_LOCAL;
#ifdef CUDA_VERBOSE_KERNEL_ENQUEUE
printf("(%d) DM LOCAL TREE moments %d (%d) partcores %d (%d) partvars %d (%d)\n",
CmiMyPe(),
transferKernel.bufferInfo[LOCAL_MOMENTS_IDX].size,
transferKernel.bufferInfo[LOCAL_MOMENTS_IDX].transferToDevice,
transferKernel.bufferInfo[LOCAL_PARTICLE_CORES_IDX].size,
transferKernel.bufferInfo[LOCAL_PARTICLE_CORES_IDX].transferToDevice,
transferKernel.bufferInfo[LOCAL_PARTICLE_VARS_IDX].size,
transferKernel.bufferInfo[LOCAL_PARTICLE_VARS_IDX].transferToDevice
);
#endif
#ifdef CUDA_INSTRUMENT_WRS
transferKernel.chareIndex = mype;
transferKernel.compType = transferKernel.id;
transferKernel.compPhase = phase;
#endif
enqueue(wrQueue, &transferKernel);
}
#ifdef CUDA_INSTRUMENT_WRS
void DataManagerTransferRemoteChunk(CudaMultipoleMoments *moments, int nMoments, CompactPartData *compactParts, int nCompactParts, int mype, char phase) {
#else
void DataManagerTransferRemoteChunk(CudaMultipoleMoments *moments, int nMoments, CompactPartData *compactParts, int nCompactParts) {
#endif
workRequest transferKernel;
dataInfo *buf;
int size;
// operation will not invoke a kernel
transferKernel.dimGrid = dim3(0);
transferKernel.dimBlock = dim3(0);
transferKernel.smemSize = 0;
transferKernel.nBuffers = DM_TRANSFER_REMOTE_CHUNK_NBUFFERS;
transferKernel.bufferInfo = (dataInfo *) malloc(transferKernel.nBuffers * sizeof(dataInfo));
buf = &(transferKernel.bufferInfo[REMOTE_MOMENTS_IDX]);
buf->bufferID = REMOTE_MOMENTS;
buf->transferFromDevice = NO;
buf->freeBuffer = NO;
size = (nMoments) * sizeof(CudaMultipoleMoments);
buf->size = size;
buf->transferToDevice = (size > 0 ? YES : NO);
//double mill = 1e6;
//printf("DM remote moments: %f mbytes\n", 1.0*size/mill);
if(size > 0){
#ifdef CUDA_USE_CUDAMALLOCHOST
#ifdef CUDA_MEMPOOL
buf->hostBuffer = hapi_poolMalloc(size);
#else
cudaMallocHost(&buf->hostBuffer, size);
#endif
#else
buf->hostBuffer = malloc(size);
#endif
#ifdef CUDA_PRINT_ERRORS
printf("DMRemote 0: %s\n", cudaGetErrorString( cudaGetLastError() ) );
#endif
memcpy(buf->hostBuffer, moments, size);
}
buf = &(transferKernel.bufferInfo[REMOTE_PARTICLE_CORES_IDX]);
buf->bufferID = REMOTE_PARTICLE_CORES;
buf->transferFromDevice = NO;
buf->freeBuffer = NO;
size = (nCompactParts)*sizeof(CompactPartData);
buf->size = size;
buf->transferToDevice = (size > 0 ? YES : NO);
//printf("DM remote cores: %f mbytes\n", 1.0*size/mill);
if(size > 0){
#ifdef CUDA_USE_CUDAMALLOCHOST
#ifdef CUDA_MEMPOOL
buf->hostBuffer = hapi_poolMalloc(size);
#else
cudaMallocHost(&buf->hostBuffer, size);
#endif
#else
buf->hostBuffer = malloc(size);
#endif
#ifdef CUDA_PRINT_ERRORS
printf("DMRemote 1: %s\n", cudaGetErrorString( cudaGetLastError() ) );
#endif
memcpy(buf->hostBuffer, compactParts, size);
}
#ifdef CUDA_VERBOSE_KERNEL_ENQUEUE
printf("(%d) DM REMOTE CHUNK moments %d (%d) partcores %d (%d)\n",
CmiMyPe(),
transferKernel.bufferInfo[REMOTE_MOMENTS_IDX].size,
transferKernel.bufferInfo[REMOTE_MOMENTS_IDX].transferToDevice,
transferKernel.bufferInfo[REMOTE_PARTICLE_CORES_IDX].size,
transferKernel.bufferInfo[REMOTE_PARTICLE_CORES_IDX].transferToDevice
);
#endif
transferKernel.callbackFn = 0;
transferKernel.id = DM_TRANSFER_REMOTE_CHUNK;
#ifdef CUDA_INSTRUMENT_WRS
transferKernel.chareIndex = mype;
transferKernel.compType = transferKernel.id;
transferKernel.compPhase = phase;
#endif
enqueue(wrQueue, &transferKernel);
}
void TreePieceCellListDataTransferLocal(CudaRequest *data){
int numBlocks = data->numBucketsPlusOne-1;
workRequest gravityKernel;
//dataInfo *buffer, *partCoreBuffer;
//ParameterStruct *pmtr;
gravityKernel.dimGrid = dim3(numBlocks);
#ifdef CUDA_2D_TB_KERNEL
gravityKernel.dimBlock = dim3(NODES_PER_BLOCK,PARTS_PER_BLOCK);
#else
gravityKernel.dimBlock = dim3(THREADS_PER_BLOCK);
#endif
gravityKernel.smemSize = 0;
gravityKernel.nBuffers = TP_GRAVITY_LOCAL_NBUFFERS;
/* schedule buffers for transfer to the GPU */
gravityKernel.bufferInfo = (dataInfo *) malloc(gravityKernel.nBuffers * sizeof(dataInfo));
TreePieceCellListDataTransferBasic(data, &gravityKernel);
#ifdef CUDA_VERBOSE_KERNEL_ENQUEUE
printf("(%d) TRANSFER LOCAL CELL\n", CmiMyPe());
#endif
gravityKernel.callbackFn = data->cb;
gravityKernel.id = TP_GRAVITY_LOCAL;
#ifdef CUDA_INSTRUMENT_WRS
gravityKernel.chareIndex = data->tpIndex;
gravityKernel.compType = gravityKernel.id;
gravityKernel.compPhase = data->phase;
#endif
enqueue(wrQueue, &gravityKernel);
}
void TreePieceCellListDataTransferRemote(CudaRequest *data){
int numBlocks = data->numBucketsPlusOne-1;
workRequest gravityKernel;
//dataInfo *buffer, *partCoreBuffer;
gravityKernel.dimGrid = dim3(numBlocks);
#ifdef CUDA_2D_TB_KERNEL
gravityKernel.dimBlock = dim3(NODES_PER_BLOCK,PARTS_PER_BLOCK);
#else
gravityKernel.dimBlock = dim3(THREADS_PER_BLOCK);
#endif
gravityKernel.smemSize = 0;
gravityKernel.nBuffers = TP_NODE_GRAVITY_REMOTE_NBUFFERS;
/* schedule buffers for transfer to the GPU */
gravityKernel.bufferInfo = (dataInfo *) malloc(gravityKernel.nBuffers * sizeof(dataInfo));
TreePieceCellListDataTransferBasic(data, &gravityKernel);
#ifdef CUDA_VERBOSE_KERNEL_ENQUEUE
printf("(%d) TRANSFER REMOTE CELL\n", CmiMyPe());
#endif
gravityKernel.callbackFn = data->cb;
gravityKernel.id = TP_GRAVITY_REMOTE;
#ifdef CUDA_INSTRUMENT_WRS
gravityKernel.chareIndex = data->tpIndex;
gravityKernel.compType = gravityKernel.id;
gravityKernel.compPhase = data->phase;
#endif
enqueue(wrQueue, &gravityKernel);
}
void TreePieceCellListDataTransferRemoteResume(CudaRequest *data, CudaMultipoleMoments *missedMoments, int numMissedMoments){
int numBlocks = data->numBucketsPlusOne-1;
int size;
workRequest gravityKernel;
dataInfo *buffer;
bool transfer;
gravityKernel.dimGrid = dim3(numBlocks);
#ifdef CUDA_2D_TB_KERNEL
gravityKernel.dimBlock = dim3(NODES_PER_BLOCK,PARTS_PER_BLOCK);
#else
gravityKernel.dimBlock = dim3(THREADS_PER_BLOCK);
#endif
gravityKernel.smemSize = 0;
gravityKernel.nBuffers = TP_NODE_GRAVITY_REMOTE_RESUME_NBUFFERS;
/* schedule buffers for transfer to the GPU */
gravityKernel.bufferInfo = (dataInfo *) malloc(gravityKernel.nBuffers * sizeof(dataInfo));
TreePieceCellListDataTransferBasic(data, &gravityKernel);
transfer = gravityKernel.bufferInfo[ILCELL_IDX].transferToDevice == YES;
buffer = &(gravityKernel.bufferInfo[MISSED_MOMENTS_IDX]);
buffer->bufferID = -1;
size = (numMissedMoments) * sizeof(CudaMultipoleMoments);
buffer->size = size;
buffer->transferToDevice = transfer ? YES : NO;
buffer->freeBuffer = transfer ? YES : NO;
buffer->transferFromDevice = NO;
if(transfer){
#ifdef CUDA_USE_CUDAMALLOCHOST
#ifdef CUDA_MEMPOOL
buffer->hostBuffer = hapi_poolMalloc(size);
#else
cudaMallocHost(&buffer->hostBuffer, size);
#endif
#else
buffer->hostBuffer = malloc(size);
#endif
#ifdef CUDA_PRINT_ERRORS
printf("TPRR 0: %s\n", cudaGetErrorString( cudaGetLastError() ) );
#endif
memcpy(buffer->hostBuffer, missedMoments, size);
}
#ifdef CUDA_VERBOSE_KERNEL_ENQUEUE
printf("(%d) TRANSFER REMOTE RESUME CELL %d (%d)\n", CmiMyPe(),
buffer->size, buffer->transferToDevice);
#endif
ParameterStruct *ptr = (ParameterStruct *)gravityKernel.userData;
ptr->numEntities = numMissedMoments;
gravityKernel.callbackFn = data->cb;
gravityKernel.id = TP_GRAVITY_REMOTE_RESUME;
#ifdef CUDA_INSTRUMENT_WRS
gravityKernel.chareIndex = data->tpIndex;
gravityKernel.compType = gravityKernel.id;
gravityKernel.compPhase = data->phase;
#endif
enqueue(wrQueue, &gravityKernel);
}
void TreePieceCellListDataTransferBasic(CudaRequest *data, workRequest *gravityKernel){
dataInfo *buffer;
int numBucketsPlusOne = data->numBucketsPlusOne;
int numBuckets = numBucketsPlusOne-1;
int size;
bool transfer;
buffer = &(gravityKernel->bufferInfo[ILCELL_IDX]);
buffer->bufferID = -1;
size = (data->numInteractions) * sizeof(ILCell);
buffer->size = size;
transfer = size > 0;
buffer->transferToDevice = transfer ? YES : NO;
buffer->freeBuffer = transfer ? YES : NO;
buffer->transferFromDevice = NO;
buffer->hostBuffer = data->list;
buffer = &(gravityKernel->bufferInfo[NODE_BUCKET_MARKERS_IDX]);
buffer->bufferID = -1;
size = (numBucketsPlusOne) * sizeof(int);
buffer->size = transfer ? size : 0;
buffer->transferToDevice = transfer ? YES : NO;
buffer->freeBuffer = transfer ? YES : NO;
buffer->transferFromDevice = NO;
buffer->hostBuffer = data->bucketMarkers;
buffer = &(gravityKernel->bufferInfo[NODE_BUCKET_START_MARKERS_IDX]);
buffer->bufferID = -1;
size = (numBuckets) * sizeof(int);
buffer->size = size;
buffer->transferToDevice = transfer ? YES : NO;
buffer->freeBuffer = transfer ? YES : NO;
buffer->transferFromDevice = NO;
buffer->hostBuffer = data->bucketStarts;
buffer = &(gravityKernel->bufferInfo[NODE_BUCKET_SIZES_IDX]);
buffer->bufferID = -1;
buffer->size = size;
buffer->transferToDevice = transfer ? YES : NO;
buffer->freeBuffer = transfer ? YES : NO;
buffer->transferFromDevice = NO;
buffer->hostBuffer = data->bucketSizes;
ParameterStruct *ptr = (ParameterStruct *)malloc(sizeof(ParameterStruct));
ptr->numInteractions = data->numInteractions;
ptr->numBucketsPlusOne = numBucketsPlusOne;
ptr->fperiod = data->fperiod;
gravityKernel->userData = ptr;
#ifdef CUDA_VERBOSE_KERNEL_ENQUEUE
printf("(%d) TRANSFER BASIC cells %d (%d) bucket_markers %d (%d) bucket_starts %d (%d) bucket_sizes %d (%d)\n",
CmiMyPe(),
gravityKernel->bufferInfo[ILCELL_IDX].size,
gravityKernel->bufferInfo[ILCELL_IDX].transferToDevice,
gravityKernel->bufferInfo[NODE_BUCKET_MARKERS_IDX].size,
gravityKernel->bufferInfo[NODE_BUCKET_MARKERS_IDX].transferToDevice,
gravityKernel->bufferInfo[NODE_BUCKET_START_MARKERS_IDX].size,
gravityKernel->bufferInfo[NODE_BUCKET_START_MARKERS_IDX].transferToDevice,
gravityKernel->bufferInfo[NODE_BUCKET_SIZES_IDX].size,
gravityKernel->bufferInfo[NODE_BUCKET_SIZES_IDX].transferToDevice
);
#endif
}
void TreePiecePartListDataTransferLocalSmallPhase(CudaRequest *data, CompactPartData *particles, int len){
int numBlocks = data->numBucketsPlusOne-1;
workRequest gravityKernel;
dataInfo *buffer;
int size;
ParameterStruct *ptr;
bool transfer;
gravityKernel.dimGrid = dim3(numBlocks);
#ifdef CUDA_2D_TB_KERNEL
gravityKernel.dimBlock = dim3(NODES_PER_BLOCK_PART,PARTS_PER_BLOCK_PART);
#else
gravityKernel.dimBlock = dim3(THREADS_PER_BLOCK);
#endif
gravityKernel.smemSize = 0;
gravityKernel.nBuffers = TP_GRAVITY_LOCAL_NBUFFERS_SMALLPHASE;
/* schedule buffers for transfer to the GPU */
gravityKernel.bufferInfo = (dataInfo *) malloc(gravityKernel.nBuffers * sizeof(dataInfo));
TreePiecePartListDataTransferBasic(data, &gravityKernel);
transfer = gravityKernel.bufferInfo[ILPART_IDX].transferToDevice == YES;
buffer = &(gravityKernel.bufferInfo[MISSED_PARTS_IDX]);
buffer->bufferID = -1;
size = (len) * sizeof(CompactPartData);
buffer->size = size;
buffer->transferToDevice = transfer ? YES : NO;
buffer->freeBuffer = transfer ? YES : NO;
buffer->transferFromDevice = NO;
#ifdef CUDA_VERBOSE_KERNEL_ENQUEUE
printf("(%d) TRANSFER LOCAL SMALL PHASE %d (%d)\n",
CmiMyPe(),
buffer->size,
buffer->transferToDevice
);
#endif
if(transfer){
#ifdef CUDA_USE_CUDAMALLOCHOST
#ifdef CUDA_MEMPOOL
buffer->hostBuffer = hapi_poolMalloc(size);
#else
cudaMallocHost(&buffer->hostBuffer, size);
#endif
#else
buffer->hostBuffer = malloc(size);
#endif
#ifdef CUDA_PRINT_ERRORS
printf("TPPartSmallPhase 0: %s\n", cudaGetErrorString( cudaGetLastError() ) );
#endif
memcpy(buffer->hostBuffer, particles, size);
}
ptr = (ParameterStruct *)gravityKernel.userData;
ptr->numMissedCores = len;
gravityKernel.callbackFn = data->cb;
gravityKernel.id = TP_PART_GRAVITY_LOCAL_SMALLPHASE;
#ifdef CUDA_INSTRUMENT_WRS
gravityKernel.chareIndex = data->tpIndex;
gravityKernel.compType = gravityKernel.id;
gravityKernel.compPhase = data->phase;
#endif
enqueue(wrQueue, &gravityKernel);
}
void TreePiecePartListDataTransferLocal(CudaRequest *data){
int numBlocks = data->numBucketsPlusOne-1;
workRequest gravityKernel;
//dataInfo *buffer, *partCoreBuffer;
gravityKernel.dimGrid = dim3(numBlocks);
#ifdef CUDA_2D_TB_KERNEL
gravityKernel.dimBlock = dim3(NODES_PER_BLOCK_PART,PARTS_PER_BLOCK_PART);
#else
gravityKernel.dimBlock = dim3(THREADS_PER_BLOCK);
#endif
gravityKernel.smemSize = 0;
gravityKernel.nBuffers = TP_GRAVITY_LOCAL_NBUFFERS;
/* schedule buffers for transfer to the GPU */
gravityKernel.bufferInfo = (dataInfo *) malloc(gravityKernel.nBuffers * sizeof(dataInfo));
TreePiecePartListDataTransferBasic(data, &gravityKernel);
gravityKernel.callbackFn = data->cb;
gravityKernel.id = TP_PART_GRAVITY_LOCAL;
#ifdef CUDA_VERBOSE_KERNEL_ENQUEUE
printf("(%d) TRANSFER LOCAL LARGEPHASE PART\n", CmiMyPe());
#endif
#ifdef CUDA_INSTRUMENT_WRS
gravityKernel.chareIndex = data->tpIndex;
gravityKernel.compType = gravityKernel.id;
gravityKernel.compPhase = data->phase;
#endif
enqueue(wrQueue, &gravityKernel);
}
void TreePiecePartListDataTransferRemote(CudaRequest *data){
int numBlocks = data->numBucketsPlusOne-1;
workRequest gravityKernel;
gravityKernel.dimGrid = dim3(numBlocks);
#ifdef CUDA_2D_TB_KERNEL
gravityKernel.dimBlock = dim3(NODES_PER_BLOCK_PART,PARTS_PER_BLOCK_PART);
#else
gravityKernel.dimBlock = dim3(THREADS_PER_BLOCK);
#endif
gravityKernel.smemSize = 0;
gravityKernel.nBuffers = TP_PART_GRAVITY_REMOTE_NBUFFERS;
gravityKernel.bufferInfo = (dataInfo *) malloc(gravityKernel.nBuffers * sizeof(dataInfo));
TreePiecePartListDataTransferBasic(data, &gravityKernel);
gravityKernel.callbackFn = data->cb;
gravityKernel.id = TP_PART_GRAVITY_REMOTE;
#ifdef CUDA_VERBOSE_KERNEL_ENQUEUE
printf("(%d) TRANSFER REMOTE PART\n", CmiMyPe());
#endif
#ifdef CUDA_INSTRUMENT_WRS
gravityKernel.chareIndex = data->tpIndex;
gravityKernel.compType = gravityKernel.id;
gravityKernel.compPhase = data->phase;
#endif
enqueue(wrQueue, &gravityKernel);
}
void TreePiecePartListDataTransferRemoteResume(CudaRequest *data, CompactPartData *missedParts, int numMissedParts){
int numBlocks = data->numBucketsPlusOne-1;
int size;
ParameterStruct *ptr;
bool transfer;
workRequest gravityKernel;
dataInfo *buffer;
gravityKernel.dimGrid = dim3(numBlocks);
#ifdef CUDA_2D_TB_KERNEL
gravityKernel.dimBlock = dim3(NODES_PER_BLOCK_PART,PARTS_PER_BLOCK_PART);
#else
gravityKernel.dimBlock = dim3(THREADS_PER_BLOCK);
#endif
gravityKernel.smemSize = 0;
gravityKernel.nBuffers = TP_PART_GRAVITY_REMOTE_RESUME_NBUFFERS;
/* schedule buffers for transfer to the GPU */
gravityKernel.bufferInfo = (dataInfo *) malloc(gravityKernel.nBuffers * sizeof(dataInfo));
TreePiecePartListDataTransferBasic(data, &gravityKernel);
transfer = gravityKernel.bufferInfo[ILPART_IDX].transferToDevice == YES;
buffer = &(gravityKernel.bufferInfo[MISSED_PARTS_IDX]);
buffer->bufferID = -1;
size = (numMissedParts) * sizeof(CompactPartData);
buffer->size = size;
buffer->transferToDevice = transfer ? YES : NO;
buffer->freeBuffer = transfer ? YES : NO;
buffer->transferFromDevice = NO;
#ifdef CUDA_VERBOSE_KERNEL_ENQUEUE
printf("(%d) TRANSFER REMOTE RESUME PART %d (%d)\n",
CmiMyPe(),
buffer->size,
buffer->transferToDevice
);
#endif
if(transfer){
#ifdef CUDA_USE_CUDAMALLOCHOST
#ifdef CUDA_MEMPOOL
buffer->hostBuffer = hapi_poolMalloc(size);
#else
cudaMallocHost(&buffer->hostBuffer, size);
#endif
#else
buffer->hostBuffer = malloc(size);
#endif
#ifdef CUDA_PRINT_ERRORS
printf("TPPartRR 0: %s\n", cudaGetErrorString( cudaGetLastError() ) );
#endif
memcpy(buffer->hostBuffer, missedParts, size);
}
ptr = (ParameterStruct *)gravityKernel.userData;
ptr->numMissedCores = numMissedParts;
gravityKernel.callbackFn = data->cb;
gravityKernel.id = TP_PART_GRAVITY_REMOTE_RESUME;
#ifdef CUDA_INSTRUMENT_WRS
gravityKernel.chareIndex = data->tpIndex;
gravityKernel.compType = gravityKernel.id;
gravityKernel.compPhase = data->phase;
#endif
enqueue(wrQueue, &gravityKernel);
}
void TreePiecePartListDataTransferBasic(CudaRequest *data, workRequest *gravityKernel){
dataInfo *buffer;
int numInteractions = data->numInteractions;
int numBucketsPlusOne = data->numBucketsPlusOne;
int numBuckets = numBucketsPlusOne-1;
int size;
bool transfer;
buffer = &(gravityKernel->bufferInfo[ILPART_IDX]);
buffer->bufferID = -1;
size = (numInteractions) * sizeof(ILCell);
buffer->size = size;
transfer = size > 0;
buffer->transferToDevice = transfer ? YES : NO;
buffer->freeBuffer = transfer ? YES : NO;
buffer->transferFromDevice = NO;
buffer->hostBuffer = data->list;
buffer = &(gravityKernel->bufferInfo[PART_BUCKET_MARKERS_IDX]);
buffer->bufferID = -1;
size = (numBucketsPlusOne) * sizeof(int);
buffer->size = transfer ? size : 0;
buffer->transferToDevice = transfer ? YES : NO;
buffer->freeBuffer = transfer ? YES : NO;
buffer->transferFromDevice = NO;
buffer->hostBuffer = data->bucketMarkers;
buffer = &(gravityKernel->bufferInfo[PART_BUCKET_START_MARKERS_IDX]);
buffer->bufferID = -1;
buffer->hostBuffer = data->bucketStarts;
size = (numBuckets) * sizeof(int);
buffer->size = size;
buffer->transferToDevice = transfer ? YES : NO;
buffer->freeBuffer = transfer ? YES : NO;
buffer->transferFromDevice = NO;
buffer->hostBuffer = data->bucketStarts;
buffer = &(gravityKernel->bufferInfo[PART_BUCKET_SIZES_IDX]);
buffer->bufferID = -1;
buffer->size = size;
buffer->transferToDevice = transfer ? YES : NO;
buffer->freeBuffer = transfer ? YES : NO;
buffer->transferFromDevice = NO;
buffer->hostBuffer = data->bucketSizes;
ParameterStruct *ptr = (ParameterStruct *)malloc(sizeof(ParameterStruct));
ptr->numInteractions = data->numInteractions;
ptr->numBucketsPlusOne = numBucketsPlusOne;
ptr->fperiod = data->fperiod;
gravityKernel->userData = ptr;
#ifdef CUDA_VERBOSE_KERNEL_ENQUEUE
printf("(%d) TRANSFER BASIC PART parts %d (%d) bucket_markers %d (%d) bucket_starts %d (%d) bucket_sizes %d (%d)\n",
CmiMyPe(),
gravityKernel->bufferInfo[ILPART_IDX].size,
gravityKernel->bufferInfo[ILPART_IDX].transferToDevice,
gravityKernel->bufferInfo[PART_BUCKET_MARKERS_IDX].size,
gravityKernel->bufferInfo[PART_BUCKET_MARKERS_IDX].transferToDevice,
gravityKernel->bufferInfo[PART_BUCKET_START_MARKERS_IDX].size,
gravityKernel->bufferInfo[PART_BUCKET_START_MARKERS_IDX].transferToDevice,
gravityKernel->bufferInfo[PART_BUCKET_SIZES_IDX].size,
gravityKernel->bufferInfo[PART_BUCKET_SIZES_IDX].transferToDevice
);
#endif
}
/*
__global__ void EwaldTopKernel(GravityParticleData *particleTable) {
*/
/* kernels:
TP_GRAVITY_LOCAL,
TP_GRAVITY_REMOTE,
TP_GRAVITY_REMOTE_RESUME,
TP_PART_GRAVITY_LOCAL,
TP_PART_GRAVITY_REMOTE,
TP_PART_GRAVITY_REMOTE_RESUME
*/
#ifdef CUDA_INSTRUMENT_WRS
void FreeDataManagerLocalTreeMemory(bool freemom, bool freepart, int index, char phase){
#else
void FreeDataManagerLocalTreeMemory(bool freemom, bool freepart){
#endif
workRequest gravityKernel;
dataInfo *buffer;
gravityKernel.dimGrid = dim3(0);
gravityKernel.dimBlock = dim3(0);
gravityKernel.smemSize = 0;
gravityKernel.nBuffers = DM_TRANSFER_LOCAL_NBUFFERS-1;
/* schedule buffers for transfer to the GPU */
gravityKernel.bufferInfo = (dataInfo *) malloc((DM_TRANSFER_LOCAL_NBUFFERS-1) * sizeof(dataInfo));
buffer = &(gravityKernel.bufferInfo[LOCAL_MOMENTS_IDX]);
buffer->bufferID = LOCAL_MOMENTS;
buffer->transferToDevice = NO ;
buffer->transferFromDevice = NO;
buffer->freeBuffer = freemom ? YES : NO;
buffer->hostBuffer = 0;
buffer->size = 0;
buffer = &(gravityKernel.bufferInfo[LOCAL_PARTICLE_CORES_IDX]);
buffer->bufferID = LOCAL_PARTICLE_CORES;
buffer->transferToDevice = NO ;
buffer->transferFromDevice = NO;
buffer->freeBuffer = freepart ? YES : NO;
buffer->hostBuffer = 0;
buffer->size = 0;
gravityKernel.callbackFn = 0;
gravityKernel.id = DM_TRANSFER_FREE_LOCAL;
//printf("DM TRANSFER FREE LOCAL\n");
#ifdef CUDA_INSTRUMENT_WRS
gravityKernel.chareIndex = index;
gravityKernel.compType = gravityKernel.id;
gravityKernel.compPhase = phase;
#endif
enqueue(wrQueue, &gravityKernel);
}
// this function begins the transfer of the next
// pending chunk on dm, once we are assured that
// the previous chunk's allocated memory has been
// freed
void initiateNextChunkTransfer(void *dm);
#ifdef CUDA_INSTRUMENT_WRS
void FreeDataManagerRemoteChunkMemory(int chunk, void *dm, bool freemom, bool freepart, int index, char phase){
#else
void FreeDataManagerRemoteChunkMemory(int chunk, void *dm, bool freemom, bool freepart){
#endif
workRequest gravityKernel;
dataInfo *buffer;
gravityKernel.dimGrid = dim3(0);
gravityKernel.dimBlock = dim3(0);
gravityKernel.smemSize = 0;
gravityKernel.nBuffers = DM_TRANSFER_REMOTE_CHUNK_NBUFFERS;
/* schedule buffers for transfer to the GPU */
gravityKernel.bufferInfo = (dataInfo *) malloc((DM_TRANSFER_REMOTE_CHUNK_NBUFFERS) * sizeof(dataInfo));
buffer = &(gravityKernel.bufferInfo[REMOTE_MOMENTS_IDX]);
buffer->bufferID = REMOTE_MOMENTS;
buffer->transferToDevice = NO ;
buffer->transferFromDevice = NO;
buffer->freeBuffer = (freemom ? YES : NO);
buffer->size = 0;
buffer = &(gravityKernel.bufferInfo[REMOTE_PARTICLE_CORES_IDX]);
buffer->bufferID = REMOTE_PARTICLE_CORES;
buffer->transferToDevice = NO ;
buffer->transferFromDevice = NO;
buffer->freeBuffer = (freepart ? YES : NO);
buffer->size = 0;
gravityKernel.callbackFn = 0;
gravityKernel.id = DM_TRANSFER_FREE_REMOTE_CHUNK;
// save a pointer to the data manager so that
// the next chunk's transfer can be initiated once
// the memory for this chunk has been freed
gravityKernel.userData = dm;
//printf("DM TRANSFER FREE REMOTE CHUNK\n");
#ifdef CUDA_INSTRUMENT_WRS
gravityKernel.chareIndex = index;
gravityKernel.compType = gravityKernel.id;
gravityKernel.compPhase = phase;
#endif
enqueue(wrQueue, &gravityKernel);
}
#ifdef CUDA_INSTRUMENT_WRS
void TransferParticleVarsBack(VariablePartData *hostBuffer, int size, void *cb, bool freemom, bool freepart, int index, char phase){
#else
void TransferParticleVarsBack(VariablePartData *hostBuffer, int size, void *cb, bool freemom, bool freepart){
#endif
workRequest gravityKernel;
dataInfo *buffer;
#ifdef CUDA_PRINT_TRANSFER_BACK_PARTICLES
printf("Enqueue kernel to transfer particles back from: 0x%x\n", devBuffers[LOCAL_PARTICLE_VARS]);
#endif
gravityKernel.dimGrid = dim3(0);
gravityKernel.dimBlock = dim3(0);
gravityKernel.smemSize = 0;
gravityKernel.nBuffers = 3;
/* schedule buffers for transfer to the GPU */
gravityKernel.bufferInfo = (dataInfo *) malloc(3 * sizeof(dataInfo));
buffer = &(gravityKernel.bufferInfo[LOCAL_PARTICLE_VARS_IDX]);
buffer->bufferID = LOCAL_PARTICLE_VARS;
buffer->transferToDevice = NO ;
buffer->hostBuffer = hostBuffer;
buffer->size = size;
buffer->transferFromDevice = size > 0 ? YES : NO;
buffer->freeBuffer = size > 0 ? YES : NO;
buffer = &(gravityKernel.bufferInfo[LOCAL_MOMENTS_IDX]);
buffer->bufferID = LOCAL_MOMENTS;
buffer->transferToDevice = NO ;
buffer->transferFromDevice = NO;
buffer->freeBuffer = freemom ? YES : NO;
buffer->hostBuffer = NULL;
buffer->size = 0;
buffer = &(gravityKernel.bufferInfo[LOCAL_PARTICLE_CORES_IDX]);
buffer->bufferID = LOCAL_PARTICLE_CORES;
buffer->transferToDevice = NO ;
buffer->transferFromDevice = NO;
buffer->freeBuffer = freepart ? YES : NO;
buffer->hostBuffer = NULL;
buffer->size = 0;
gravityKernel.callbackFn = cb;
gravityKernel.id = DM_TRANSFER_BACK;
#ifdef CUDA_VERBOSE_KERNEL_ENQUEUE
printf("(%d) DM TRANSFER BACK\n", CmiMyPe());
#endif
#ifdef CUDA_INSTRUMENT_WRS
gravityKernel.chareIndex = index;
gravityKernel.compType = gravityKernel.id;
gravityKernel.compPhase = phase;
#endif
enqueue(wrQueue, &gravityKernel);
}
/*
void DummyKernel(void *cb){
workRequest dummy;
//dataInfo *buffer;
dummy.dimGrid = dim3(1);
dummy.dimBlock = dim3(THREADS_PER_BLOCK);
dummy.smemSize = 0;
dummy.nBuffers = 0;
dummy.bufferInfo = 0; //(dataInfo *) malloc(1 * sizeof(dataInfo));
dummy.callbackFn = cb;
dummy.id = DUMMY;
enqueue(wrQueue, &dummy);
}
*/
// kernel selector function
void kernelSelect(workRequest *wr) {
#ifdef CUDA_TRACE
double st;
#endif
ParameterStruct *ptr;
switch (wr->id) {
case DM_TRANSFER_LOCAL:
#ifdef CUDA_NOTIFY_DATA_TRANSFER_DONE
printf("DM_TRANSFER_LOCAL KERNELSELECT\n");
printf("mom: 0x%x\n", devBuffers[LOCAL_MOMENTS]);
printf("cores: 0x%x\n", devBuffers[LOCAL_PARTICLE_CORES]);
printf("vars: 0x%x\n", devBuffers[LOCAL_PARTICLE_VARS]);
#endif
#ifdef CUDA_USE_CUDAMALLOCHOST
if(wr->bufferInfo[LOCAL_MOMENTS_IDX].transferToDevice == YES){
#ifdef CUDA_MEMPOOL
hapi_poolFree(wr->bufferInfo[LOCAL_MOMENTS_IDX].hostBuffer);
#else
delayedFree(wr->bufferInfo[LOCAL_MOMENTS_IDX].hostBuffer);
#endif
}