void _XMP_reduce_gpu_NODES_ENTIRE(_XMP_nodes_t *nodes, void *dev_addr, int count, int datatype, int op)
{
if (count == 0) {
return; // FIXME not good implementation
}
if (!nodes->is_member) {
return;
}
// setup information
MPI_Datatype mpi_datatype = MPI_DATATYPE_NULL;
size_t datatype_size = 0;
MPI_Op mpi_op;
_XMP_setup_reduce_type(&mpi_datatype, &datatype_size, datatype);
_XMP_setup_reduce_op(&mpi_op, op);
size_t size = datatype_size * count;
void *host_buf = _XMP_alloc(size);
cudaError_t e;
// copy dev to host
e = cudaMemcpy(host_buf, dev_addr, size, cudaMemcpyDeviceToHost);
cudaErrorCheck(e);
MPI_Allreduce(MPI_IN_PLACE, host_buf, count, mpi_datatype, mpi_op, *((MPI_Comm *)nodes->comm));
// copy host to dev
e = cudaMemcpy(dev_addr, host_buf, size, cudaMemcpyHostToDevice);
cudaErrorCheck(e);
_XMP_free(host_buf);
}
void xmp_gather_(_XMP_array_t **x_d, _XMP_array_t **a_d, ... )
{
int i;
va_list valst;
_XMP_array_t *idx_p;
_XMP_array_t **idx_pp;
_XMP_array_t **idx_array;
// _XMP_array_t *x_p = *(_XMP_array_t **)x_d;
_XMP_array_t *a_p = *(_XMP_array_t **)a_d;
idx_array = (_XMP_array_t **)_XMP_alloc(sizeof(_XMP_array_t *)*a_p->dim);
va_start( valst, a_d );
for(i=0;i<a_p->dim;i++){
idx_pp = va_arg( valst , _XMP_array_t** );
idx_p = *(_XMP_array_t **)idx_pp;
idx_array[i] = idx_p;
}
va_end(valst);
xmpf_gather(*x_d, *a_d, idx_array);
_XMP_free(idx_array);
}
void _XMP_reduce_gpu_CLAUSE(void *dev_addr, int count, int datatype, int op) {
// setup information
MPI_Datatype mpi_datatype = MPI_DATATYPE_NULL;
size_t datatype_size = 0;
MPI_Op mpi_op;
_XMP_setup_reduce_type(&mpi_datatype, &datatype_size, datatype);
_XMP_setup_reduce_op(&mpi_op, op);
size_t size = datatype_size * count;
void *host_buf = _XMP_alloc(size);
cudaError_t e;
// copy dev to host
e = cudaMemcpy(host_buf, dev_addr, size, cudaMemcpyDeviceToHost);
cudaErrorCheck(e);
// reduce
MPI_Allreduce(MPI_IN_PLACE, host_buf, count, mpi_datatype, mpi_op, *((MPI_Comm *)(_XMP_get_execution_nodes())->comm));
// copy host to dev
e = cudaMemcpy(dev_addr, host_buf, size, cudaMemcpyHostToDevice);
cudaErrorCheck(e);
_XMP_free(host_buf);
}
static void _mpi_scalar_mput(const int target_rank,
const _XMP_coarray_t *dst_desc, const void *src,
const size_t dst_offset, const size_t src_offset,
const int dst_dims,
const _XMP_array_section_t *dst_info,
const bool is_dst_on_acc)
{
int allelmt_dim = _XMP_get_dim_of_allelmts(dst_dims, dst_info);
size_t element_size = dst_desc->elmt_size;
size_t allelmt_size = (allelmt_dim == dst_dims)? element_size : dst_info[allelmt_dim].distance * dst_info[allelmt_dim].elmts;
char *laddr = (allelmt_dim == dst_dims)? ((char*)src + src_offset) : _XMP_alloc(allelmt_size);
char *raddr = get_remote_addr(dst_desc, target_rank, is_dst_on_acc) + dst_offset;
MPI_Win win = get_window(dst_desc, is_dst_on_acc);
XACC_DEBUG("scalar_mput(src_p=%p, size=%zd, target=%d, dst_p=%p, is_acc=%d)", laddr, element_size, target_rank, raddr, is_dst_on_acc);
XACC_DEBUG("allelmt_dim=%d, dst_dims=%d", allelmt_dim, dst_dims);
if(allelmt_dim != dst_dims){
//mcopy
_XMP_array_section_t info;
info.start = 0;
info.length = allelmt_size/element_size;
info.stride = 1;
info.elmts = info.length;
info.distance = element_size;
_XMP_stride_memcpy_1dim(laddr, (char*)src+src_offset, &info, element_size, _XMP_SCALAR_MCOPY);
XACC_DEBUG("mcopy(%lld, %lld, %lld), %lld",info.start, info.length, info.stride, info.elmts);
}
long long idxs[allelmt_dim+1];
for(int i = 0; i < allelmt_dim+1; i++) idxs[i]=0;
while(1){
size_t offset = 0;
for(int i = 0; i < allelmt_dim; i++){
offset += dst_info[i].distance * idxs[i+1] * dst_info[i].stride;
}
MPI_Put((void*)laddr, allelmt_size, MPI_BYTE, target_rank,
(MPI_Aint)(raddr+offset), allelmt_size, MPI_BYTE,
win);
++idxs[allelmt_dim];
for(int i = allelmt_dim-1; i >= 0; i--){
long long length = dst_info[i].length;
if(idxs[i+1] >= length){
idxs[i+1] -= length;
++idxs[i];
}else{
break;
}
}
if(idxs[0] > 0){
break;
}
}
_wait_puts(target_rank, win);
if(allelmt_dim != dst_dims){
_XMP_free(laddr);
}
}
void _XMP_create_TCA_handle(void *acc_addr, _XMP_array_t *adesc)
{
if(adesc->set_handle)
return;
// 64KB align ?
long tmp = ((long)acc_addr/65536)*65536;
if(tmp != (long)acc_addr){
_XMP_fatal("An array is not aligned at 64KB.");
return;
}
size_t size = (size_t)(adesc->type_size * adesc->total_elmts);
#if 0
printf("[%d] tcaCreateHandle size = %d addr=%p\n", _XMP_world_rank, size, acc_addr);
#endif
tcaHandle tmp_handle;
TCA_CHECK(tcaCreateHandle(&tmp_handle, acc_addr, size, tcaMemoryGPU));
adesc->tca_handle = _XMP_alloc(sizeof(tcaHandle) * _XMP_world_size);
MPI_Allgather(&tmp_handle, sizeof(tcaHandle), MPI_BYTE,
adesc->tca_handle, sizeof(tcaHandle), MPI_BYTE, MPI_COMM_WORLD);
adesc->set_handle = _XMP_N_INT_TRUE;
}
void xmpf_array_init_shadow__(_XMP_array_t **a_desc, int *i_dim,
int *lshadow, int *ushadow)
{
_XMP_array_t *array = *a_desc;
_XMP_array_info_t *ai = &(array->info[*i_dim]);
if (*lshadow == 0 && *ushadow == 0){
ai->shadow_type = _XMP_N_SHADOW_NONE;
}
else if (*lshadow > 0 || *ushadow > 0){
_XMP_ASSERT(ai->align_manner == _XMP_N_ALIGN_BLOCK || ai->align_manner == _XMP_N_ALIGN_GBLOCK);
ai->shadow_type = _XMP_N_SHADOW_NORMAL;
ai->shadow_size_lo = *lshadow;
ai->shadow_size_hi = *ushadow;
if (array->is_allocated){
ai->local_lower += *lshadow;
ai->local_upper += *lshadow;
// ai->local_stride is not changed
ai->alloc_size += *lshadow + *ushadow;
// ai->temp0 shuld not be used in XMP/F.
// *(ai->temp0) -= *lshadow;
ai->temp0_v -= *lshadow;
}
if (!ai->reflect_sched){
_XMP_reflect_sched_t *sched = _XMP_alloc(sizeof(_XMP_reflect_sched_t));
sched->is_periodic = -1; /* not used yet */
sched->datatype_lo = MPI_DATATYPE_NULL;
sched->datatype_hi = MPI_DATATYPE_NULL;
for (int j = 0; j < 4; j++) sched->req[j] = MPI_REQUEST_NULL;
sched->lo_send_buf = NULL;
sched->lo_recv_buf = NULL;
sched->hi_send_buf = NULL;
sched->hi_recv_buf = NULL;
ai->reflect_sched = sched;
}
//_XMP_create_shadow_comm(array, *i_dim);
}
else { // *lshadow < 0 && *ushadow < 0
ai->shadow_type = _XMP_N_SHADOW_FULL;
if (array->is_allocated){
ai->shadow_size_lo = ai->par_lower - ai->ser_lower;
ai->shadow_size_hi = ai->ser_upper - ai->par_upper;
ai->local_lower = ai->par_lower - ai->ser_lower;
ai->local_upper = ai->par_upper - ai->ser_lower;
ai->local_stride = ai->par_stride;
ai->alloc_size = ai->ser_size;
}
_XMP_create_shadow_comm(array, *i_dim);
}
}
void _XMP_tca_comm_init()
{
_ring_bufs = _XMP_alloc(sizeof(tca_ring_buf_t) * _XMP_world_size);
for(int i = 0; i < _XMP_world_size; i++){
if(i == _XMP_world_rank) continue;
_XMP_tca_ring_buf_init(&_ring_bufs[i], i);
}
}
void _XMP_alloc_tca(_XMP_array_t *adesc)
{
adesc->set_handle = _XMP_N_INT_FALSE;
int array_dim = adesc->dim;
for(int i=0;i<array_dim;i++){
_XMP_array_info_t *ai = &(adesc->info[i]);
if(ai->shadow_type == _XMP_N_SHADOW_NONE)
continue;
ai->reflect_acc_sched = _XMP_alloc(sizeof(_XMP_reflect_sched_t));
}
adesc->wait_slot = 0; // No change ?
adesc->wait_tag = 0x100; // No change ?
}
void _XMP_mpi_coarray_attach(_XMP_coarray_t *coarray_desc, void *addr, const size_t coarray_size, const bool is_acc)
{
MPI_Win win = MPI_WIN_NULL;
char **each_addr = NULL; // head address of a local array on each node
_XMP_nodes_t *nodes = _XMP_get_execution_nodes();
int comm_size = nodes->comm_size;
MPI_Comm comm = *(MPI_Comm *)nodes->comm;
XACC_DEBUG("attach addr=%p, size=%zd, is_acc=%d", addr, coarray_size, is_acc);
if(_XMP_flag_multi_win){
_XMP_mpi_onesided_create_win(&win, addr, coarray_size, comm);
MPI_Win_lock_all(MPI_MODE_NOCHECK, win);
}else{
win = _xmp_mpi_distarray_win;
#ifdef _XMP_XACC
if(is_acc){
win = _xmp_mpi_distarray_win_acc;
}
#endif
MPI_Win_attach(win, addr, coarray_size);
each_addr = (char**)_XMP_alloc(sizeof(char *) * comm_size);
MPI_Allgather(&addr, sizeof(char *), MPI_BYTE,
each_addr, sizeof(char *), MPI_BYTE,
comm); // exchange displacement
}
if(is_acc){
#ifdef _XMP_XACC
coarray_desc->addr_dev = each_addr;
coarray_desc->real_addr_dev = addr;
coarray_desc->win_acc = win;
coarray_desc->nodes = nodes;
#endif
}else{
coarray_desc->addr = each_addr;
coarray_desc->real_addr = addr;
coarray_desc->win = win;
coarray_desc->win_acc = MPI_WIN_NULL;
coarray_desc->nodes = nodes;
}
}
/**
* Build table and Initialize for sync images
*/
void _XMP_mpi_build_sync_images_table()
{
size_t table_size = sizeof(unsigned int) * _XMP_world_size;
#ifdef _SYNCIMAGE_SENDRECV
_sync_images_table = _XMP_alloc(table_size);
#else
struct _shift_queue_t *shift_queue = &_shift_queue;
_sync_images_table = (unsigned int*)(_xmp_mpi_onesided_buf + shift_queue->total_shift);
_sync_images_table_disp = (unsigned int*)(shift_queue->total_shift);
size_t shift;
if(table_size % _XMP_MPI_ALIGNMENT == 0)
shift = table_size;
else{
shift = ((table_size / _XMP_MPI_ALIGNMENT) + 1) * _XMP_MPI_ALIGNMENT;
}
_push_shift_queue(shift_queue, shift);
#endif
for(int i=0;i<_XMP_world_size;i++)
_sync_images_table[i] = 0;
MPI_Barrier(MPI_COMM_WORLD);
}
void xmp_transpose_(_XMP_array_t **dst_d, _XMP_array_t **src_d, int *opt){
#if 1
xmpf_transpose(*dst_d, *src_d, *opt);
return;
#else
_XMP_array_t *dst_array = *(_XMP_array_t **)dst_d;
_XMP_array_t *src_array = *(_XMP_array_t **)src_d;
int nnodes;
int dst_block_dim, src_block_dim;
void *sendbuf=NULL, *recvbuf=NULL;
unsigned long long count, bufsize;
int dst_chunk_size, dst_ser_size, type_size;
int src_chunk_size, src_ser_size;
nnodes = dst_array->align_template->onto_nodes->comm_size;
// 2-dimensional Matrix
if (dst_array->dim != 2) {
_XMP_fatal("bad dimension for xmp_transpose");
}
// No Shadow
if (dst_array->info[0].shadow_size_lo != 0 ||
dst_array->info[0].shadow_size_hi != 0 ||
src_array->info[0].shadow_size_lo != 0 ||
src_array->info[0].shadow_size_hi != 0) {
_XMP_fatal("A global array must not have shadows");
fflush(stdout);
}
// Dividable by the number of nodes
if (dst_array->info[0].ser_size % nnodes != 0) {
_XMP_fatal("Not dividable by the number of nodes");
fflush(stdout);
}
dst_block_dim = (dst_array->info[0].align_manner == _XMP_N_ALIGN_BLOCK) ? 0 : 1;
src_block_dim = (src_array->info[0].align_manner == _XMP_N_ALIGN_BLOCK) ? 0 : 1;
dst_chunk_size = dst_array->info[dst_block_dim].par_size;
dst_ser_size = dst_array->info[dst_block_dim].ser_size;
src_chunk_size = src_array->info[src_block_dim].par_size;
src_ser_size = src_array->info[src_block_dim].ser_size;
type_size = dst_array->type_size;
count = dst_chunk_size * src_chunk_size;
bufsize = count * nnodes * type_size;
_XMP_check_reflect_type();
if (src_block_dim == 1){
if (*opt ==0){
sendbuf = _XMP_alloc(bufsize);
}else if (*opt==1){
sendbuf = dst_array->array_addr_p;
}
// src_array -> sendbuf
_XMP_pack_vector2((char *)sendbuf, (char *)src_array->array_addr_p ,
src_chunk_size, dst_chunk_size, nnodes, type_size,
src_block_dim);
}
else {
sendbuf = src_array->array_addr_p;
}
if (*opt == 0){
recvbuf = _XMP_alloc(bufsize);
}else if (*opt ==1){
recvbuf = src_array->array_addr_p;
}
MPI_Alltoall(sendbuf, count * type_size, MPI_BYTE, recvbuf, count * type_size,
MPI_BYTE, *((MPI_Comm *)src_array->align_template->onto_nodes->comm));
if (dst_block_dim == 1){
_XMPF_unpack_transpose_vector((char *)dst_array->array_addr_p ,
(char *)recvbuf , src_ser_size, dst_chunk_size, type_size, dst_block_dim);
if (*opt==0){
_XMP_free(recvbuf);
}
}
if (src_block_dim == 1){
if (*opt == 0){
_XMP_free(sendbuf);
}
}
return;
#endif
}
static void _XMP_reflect_pcopy_sched_dim(_XMP_array_t *adesc, int target_dim,
int lwidth, int uwidth, int is_periodic, void *dev_array_addr, int *lwidths, int *uwidths){
//printf("desc=%p, tardim=%d, lw=%d, uw=%d, devp=%p\n", adesc, target_dim, lwidth, uwidth, dev_array_addr);
if (lwidth == 0 && uwidth == 0) return;
_XMP_array_info_t *ai = &(adesc->info[target_dim]);
_XMP_array_info_t *ainfo = adesc->info;
_XMP_ASSERT(ai->align_manner == _XMP_N_ALIGN_BLOCK);
_XMP_ASSERT(ai->is_shadow_comm_member);
if (lwidth > ai->shadow_size_lo || uwidth > ai->shadow_size_hi){
_XMP_fatal("reflect width is larger than shadow width.");
}
_XMP_reflect_sched_t *reflect = ai->reflect_acc_sched;
int target_tdim = ai->align_template_index;
_XMP_nodes_info_t *ni = adesc->align_template->chunk[target_tdim].onto_nodes_info;
int ndims = adesc->dim;
// 0-origin
int my_pos = ni->rank;
int lb_pos = _XMP_get_owner_pos(adesc, target_dim, ai->ser_lower);
int ub_pos = _XMP_get_owner_pos(adesc, target_dim, ai->ser_upper);
int lo_pos = (my_pos == lb_pos) ? ub_pos : my_pos - 1;
int hi_pos = (my_pos == ub_pos) ? lb_pos : my_pos + 1;
MPI_Comm *comm = adesc->align_template->onto_nodes->comm;
int my_rank = adesc->align_template->onto_nodes->comm_rank;
int lo_rank = my_rank + (lo_pos - my_pos) * ni->multiplier;
int hi_rank = my_rank + (hi_pos - my_pos) * ni->multiplier;
int type_size = adesc->type_size;
//void *array_addr = adesc->array_addr_p;
void *lo_send_array = NULL;
void *lo_recv_array = NULL;
void *hi_send_array = NULL;
void *hi_recv_array = NULL;
void *lo_send_dev_buf = NULL;
void *lo_recv_dev_buf = NULL;
void *hi_send_dev_buf = NULL;
void *hi_recv_dev_buf = NULL;
void *lo_send_host_buf = NULL;
void *lo_recv_host_buf = NULL;
void *hi_send_host_buf = NULL;
void *hi_recv_host_buf = NULL;
void *mpi_lo_send_buf = NULL;
void *mpi_lo_recv_buf = NULL;
void *mpi_hi_send_buf = NULL;
void *mpi_hi_recv_buf = NULL;
int lo_buf_size = 0;
int hi_buf_size = 0;
//
// setup data_type
//
int count = 0, blocklength = 0;
long long stride = 0;
// int count_offset = 0;
if (_XMPF_running && !_XMPC_running){ /* for XMP/F */
count = 1;
blocklength = type_size;
stride = ainfo[0].alloc_size * type_size;
for (int i = ndims - 2; i >= target_dim; i--){
count *= ainfo[i+1].alloc_size;
}
for (int i = 1; i <= target_dim; i++){
blocklength *= ainfo[i-1].alloc_size;
stride *= ainfo[i].alloc_size;
}
}
else if (!_XMPF_running && _XMPC_running){ /* for XMP/C */
count = 1;
blocklength = type_size;
stride = ainfo[ndims-1].alloc_size * type_size;
/* if(target_dim > 0){ */
/* count *= ainfo[0].par_size; */
/* count_offset = ainfo[0].shadow_size_lo; */
/* } */
/* for (int i = 1; i < target_dim; i++){ */
/* count *= ainfo[i].alloc_size; */
/* } */
/* for (int i = ndims - 2; i >= target_dim; i--){ */
/* blocklength *= ainfo[i+1].alloc_size; */
/* stride *= ainfo[i].alloc_size; */
/* } */
if(target_dim == 0){
count *= 1;
if(ndims >= 2){
blocklength *= (ainfo[1].par_size + lwidths[1] + uwidths[1]);
}
}else{
count *= (ainfo[0].par_size + lwidths[0] + uwidths[0]);
for(int i = 1; i < target_dim; i++){
count *= ainfo[i].alloc_size;
}
blocklength *= ainfo[target_dim+1].alloc_size;
stride *= ainfo[target_dim].alloc_size;
}
for(int i = target_dim+2; i < ndims; i++){
blocklength *= ainfo[i].alloc_size;
}
for(int i = target_dim+1 ; i < ndims - 1; i++){
stride *= ainfo[i].alloc_size;
}
/* mod_4 */
count = 1;
blocklength = 1;
stride = 1;
for(int i = 0; i < ndims; i++){
int fact = (i == target_dim)? 1 : (ainfo[i].par_size + lwidths[i] + uwidths[i]);
int alloc_size = ainfo[i].alloc_size;
if(blocklength == 1 || fact == alloc_size){
blocklength *= fact;
stride *= alloc_size;
}else if(count == 1 && target_dim != 0){ //to be contiguous if target_dim==0
count = blocklength;
blocklength = fact;
stride = alloc_size;
}else{
blocklength *= alloc_size;
stride *= alloc_size;
}
//printf("tar=%d, i=%d, fact=%d, allocsize=%d, (%d,%d,%lld)\n", target_dim, i, fact, alloc_size, count , blocklength, stride);
}
blocklength *= type_size;
stride *= type_size;
/* mod_4 end */
/* it used at 150717
for (int i = 1; i <= target_dim; i++){
count *= ainfo[i-1].alloc_size;
}
for (int i = ndims - 2; i >= target_dim; i--){
blocklength *= ainfo[i+1].alloc_size;
stride *= ainfo[i].alloc_size;
}
*/
/* for (int i = target_dim + 1; i < ndims; i++){ */
/* blocklength *= ainfo[i].alloc_size; */
/* } */
/* for (int i = target_dim; i < ndims - 1; i++){ */
/* stride *= ainfo[i].alloc_size; */
/* } */
// printf("count =%d, blength=%d, stride=%lld\n", count ,blocklength, stride);
// printf("ainfo[0].par_size=%d\n", ainfo[0].par_size);
// printf("count_ofset=%d,\n", count_offset);
}
else {
_XMP_fatal("cannot determin the base language.");
}
//
// calculate base address
//
// for lower reflect
if (lwidth){
lo_send_array = lo_recv_array = (void *)((char*)dev_array_addr + /*count_offset*/0 * stride);
for (int i = 0; i < ndims; i++) {
int lb_send, lb_recv;
unsigned long long dim_acc;
if (i == target_dim) {
//printf("ainfo[%d].local_upper=%d\n",i,ainfo[i].local_upper);
lb_send = ainfo[i].local_upper - lwidth + 1;
lb_recv = ainfo[i].shadow_size_lo - lwidth; ////ainfo[i].local_lower - lwidth;
} else {
// Note: including shadow area
lb_send = 0; //// ainfo[i].local_lower - ainfo[i].shadow_size_lo;
lb_recv = 0; //// ainfo[i].local_lower - ainfo[i].shadow_size_lo;
}
dim_acc = ainfo[i].dim_acc;
lo_send_array = (void *)((char *)lo_send_array + lb_send * dim_acc * type_size);
lo_recv_array = (void *)((char *)lo_recv_array + lb_recv * dim_acc * type_size);
}
}
// for upper reflect
if (uwidth){
hi_send_array = hi_recv_array = (void *)((char*)dev_array_addr + /*count_offset*/0 * stride);
for (int i = 0; i < ndims; i++) {
int lb_send, lb_recv;
unsigned long long dim_acc;
if (i == target_dim) {
lb_send = ainfo[i].local_lower;
lb_recv = ainfo[i].local_upper + 1;
} else {
// Note: including shadow area
lb_send = 0; //ainfo[i].local_lower - ainfo[i].shadow_size_lo;
lb_recv = 0; //ainfo[i].local_lower - ainfo[i].shadow_size_lo;
}
dim_acc = ainfo[i].dim_acc;
hi_send_array = (void *)((char *)hi_send_array + lb_send * dim_acc * type_size);
hi_recv_array = (void *)((char *)hi_recv_array + lb_recv * dim_acc * type_size);
}
}
// for lower reflect
if (reflect->datatype_lo != MPI_DATATYPE_NULL){
MPI_Type_free(&reflect->datatype_lo);
}
if(packVector || count == 1){
MPI_Type_contiguous(blocklength * lwidth * count, MPI_BYTE, &reflect->datatype_lo);
// MPI_Type_contiguous(blocklength * lwidth * count / type_size, MPI_FLOAT, &reflect->datatype_lo);
fprintf(stderr, "dim=%d, send elements lo = %d\n", target_dim, blocklength * lwidth * count / type_size);
//fprintf(stderr, "useHostBuf=%c , packVector=%c\n", useHostBuffer, packVector);
// if(useHostBuffer){ fprintf(stderr,"using host buffer\n"); }
// if(packVector){ fprintf(stderr, "using pack vector\n"); }
}else{
MPI_Type_vector(count, blocklength * lwidth, stride, MPI_BYTE, &reflect->datatype_lo);
}
MPI_Type_commit(&reflect->datatype_lo);
// for upper reflect
if (reflect->datatype_hi != MPI_DATATYPE_NULL){
MPI_Type_free(&reflect->datatype_hi);
}
if(packVector || count == 1){
MPI_Type_contiguous(blocklength * uwidth * count, MPI_BYTE, &reflect->datatype_hi);
// MPI_Type_contiguous(blocklength * uwidth * count / type_size, MPI_FLOAT, &reflect->datatype_hi);
fprintf(stderr, "dim=%d, send elements hi = %d\n", target_dim, blocklength * uwidth * count / type_size);
}else{
MPI_Type_vector(count, blocklength * uwidth, stride, MPI_BYTE, &reflect->datatype_hi);
}
MPI_Type_commit(&reflect->datatype_hi);
//
// Allocate buffers
//
if(useHostBuffer){
CUDA_SAFE_CALL(cudaFreeHost(reflect->lo_send_host_buf));
CUDA_SAFE_CALL(cudaFreeHost(reflect->lo_recv_host_buf));
}
if ((_XMPF_running && target_dim != ndims - 1) ||
(_XMPC_running && target_dim != 0)){
if(packVector){
CUDA_SAFE_CALL(cudaFree(reflect->lo_send_buf));
CUDA_SAFE_CALL(cudaFree(reflect->lo_recv_buf));
}
}
if ((_XMPF_running && target_dim == ndims - 1) ||
(_XMPC_running && target_dim == 0)){
//
}
// for lower reflect
if (lwidth){
lo_buf_size = lwidth * blocklength * count;
hi_buf_size = uwidth * blocklength * count;
if ((_XMPF_running && target_dim == ndims - 1) ||
(_XMPC_running && target_dim == 0)){
lo_send_dev_buf = lo_send_array;
lo_recv_dev_buf = lo_recv_array;
hi_send_dev_buf = hi_send_array;
hi_recv_dev_buf = hi_recv_array;
} else {
_XMP_TSTART(t0);
if(packVector){
CUDA_SAFE_CALL(cudaMalloc((void **)&lo_send_dev_buf, lo_buf_size + hi_buf_size));
hi_send_dev_buf = (char*)lo_send_dev_buf + lo_buf_size;
CUDA_SAFE_CALL(cudaMalloc((void **)&lo_recv_dev_buf, lo_buf_size + hi_buf_size));
hi_recv_dev_buf = (char*)lo_recv_dev_buf + lo_buf_size;
}else{
lo_send_dev_buf = lo_send_array;
lo_recv_dev_buf = lo_recv_array;
hi_send_dev_buf = hi_send_array;
hi_recv_dev_buf = hi_recv_array;
}
_XMP_TEND2(xmptiming_.t_mem, xmptiming_.tdim_mem[target_dim], t0);
}
if(useHostBuffer){
CUDA_SAFE_CALL(cudaMallocHost((void**)&lo_send_host_buf, lo_buf_size + hi_buf_size));
hi_send_host_buf = (char*)lo_send_host_buf + lo_buf_size;
CUDA_SAFE_CALL(cudaMallocHost((void**)&lo_recv_host_buf, lo_buf_size + hi_buf_size));
hi_recv_host_buf = (char*)lo_recv_host_buf + lo_buf_size;
mpi_lo_send_buf = lo_send_host_buf;
mpi_lo_recv_buf = lo_recv_host_buf;
mpi_hi_send_buf = hi_send_host_buf;
mpi_hi_recv_buf = hi_recv_host_buf;
}else{
mpi_lo_send_buf = lo_send_dev_buf;
mpi_lo_recv_buf = lo_recv_dev_buf;
mpi_hi_send_buf = hi_send_dev_buf;
mpi_hi_recv_buf = hi_recv_dev_buf;
}
}
// for upper reflect
//
// initialize communication
//
int src, dst;
if (!is_periodic && my_pos == lb_pos){ // no periodic
lo_rank = MPI_PROC_NULL;
}
if (!is_periodic && my_pos == ub_pos){ // no periodic
hi_rank = MPI_PROC_NULL;
}
// for lower shadow
if (lwidth){
src = lo_rank;
dst = hi_rank;
} else {
src = MPI_PROC_NULL;
dst = MPI_PROC_NULL;
}
// fprintf(stderr, "dim=%d, lo_src=%d, lo_dst=%d\n", target_dim, src, dst);
if (reflect->req[0] != MPI_REQUEST_NULL){
MPI_Request_free(&reflect->req[0]);
}
if (reflect->req[1] != MPI_REQUEST_NULL){
MPI_Request_free(&reflect->req[1]);
}
MPI_Recv_init(mpi_lo_recv_buf, 1, reflect->datatype_lo, src,
_XMP_N_MPI_TAG_REFLECT_LO, *comm, &reflect->req[0]);
MPI_Send_init(mpi_lo_send_buf, 1, reflect->datatype_lo, dst,
_XMP_N_MPI_TAG_REFLECT_LO, *comm, &reflect->req[1]);
// for upper shadow
if (uwidth){
src = hi_rank;
dst = lo_rank;
} else {
src = MPI_PROC_NULL;
dst = MPI_PROC_NULL;
}
// fprintf(stderr, "dim=%d, hi_src=%d, hi_dst=%d\n", target_dim, src, dst);
if (reflect->req[2] != MPI_REQUEST_NULL){
MPI_Request_free(&reflect->req[2]);
}
if (reflect->req[3] != MPI_REQUEST_NULL){
MPI_Request_free(&reflect->req[3]);
}
MPI_Recv_init(mpi_hi_recv_buf, 1, reflect->datatype_hi, src,
_XMP_N_MPI_TAG_REFLECT_HI, *comm, &reflect->req[2]);
MPI_Send_init(mpi_hi_send_buf, 1, reflect->datatype_hi, dst,
_XMP_N_MPI_TAG_REFLECT_HI, *comm, &reflect->req[3]);
//
// cache schedule
//
reflect->count = count;
reflect->blocklength = blocklength;
reflect->stride = stride;
reflect->lo_send_array = lo_send_array;
reflect->lo_recv_array = lo_recv_array;
reflect->hi_send_array = hi_send_array;
reflect->hi_recv_array = hi_recv_array;
if(packVector){
reflect->lo_send_buf = lo_send_dev_buf;
reflect->lo_recv_buf = lo_recv_dev_buf;
reflect->hi_send_buf = hi_send_dev_buf;
reflect->hi_recv_buf = hi_recv_dev_buf;
}
if(useHostBuffer){
reflect->lo_send_host_buf = lo_send_host_buf;
reflect->lo_recv_host_buf = lo_recv_host_buf;
reflect->hi_send_host_buf = hi_send_host_buf;
reflect->hi_recv_host_buf = hi_recv_host_buf;
}
reflect->lo_rank = lo_rank;
reflect->hi_rank = hi_rank;
// gpu async
reflect->lo_async_id = _XMP_alloc(sizeof(cudaStream_t));
CUDA_SAFE_CALL(cudaStreamCreate(reflect->lo_async_id));
if(target_dim != 0 &&
(!useHostBuffer || (lo_rank != MPI_PROC_NULL && hi_rank != MPI_PROC_NULL && (lo_buf_size / type_size) <= useSingleStreamLimit)) ){
reflect->hi_async_id = NULL;
}else{
cudaStream_t *hi_stream = (cudaStream_t*)_XMP_alloc(sizeof(cudaStream_t));
CUDA_SAFE_CALL(cudaStreamCreate(hi_stream));
reflect->hi_async_id = (void*)hi_stream;
}
reflect->event = _XMP_alloc(sizeof(cudaEvent_t));
CUDA_SAFE_CALL(cudaEventCreateWithFlags(reflect->event, cudaEventDisableTiming));
}
void _XMP_mpi_coarray_malloc(_XMP_coarray_t *coarray_desc, void **addr, const size_t coarray_size, bool is_acc)
{
char **each_addr = NULL; // gap_size on each node
struct _shift_queue_t *shift_queue = is_acc? &_shift_queue_acc : &_shift_queue;
size_t shift;
char *real_addr = NULL;
MPI_Win win = MPI_WIN_NULL;
_XMP_nodes_t *nodes = _XMP_get_execution_nodes();
MPI_Comm comm = *(MPI_Comm *)nodes->comm;
if(coarray_size == 0){
_XMP_fatal("_XMP_mpi_coarray_malloc: zero size is not allowed");
}
if(_XMP_flag_multi_win){
_XMP_mpi_onesided_alloc_win(&win, (void**)&real_addr, coarray_size, comm, is_acc);
MPI_Win_lock_all(MPI_MODE_NOCHECK, win);
XACC_DEBUG("addr=%p, size=%zd, is_acc=%d", real_addr, coarray_size, is_acc);
}else{
each_addr = (char**)_XMP_alloc(sizeof(char *) * _XMP_world_size);
for(int i=0;i<_XMP_world_size;i++){
each_addr[i] = (char *)(shift_queue->total_shift);
}
real_addr = _xmp_mpi_onesided_buf;
#ifdef _XMP_XACC
if(is_acc){
real_addr = _xmp_mpi_onesided_buf_acc;
}
#endif
real_addr += shift_queue->total_shift;
XACC_DEBUG("malloc_do: addr=%p, shift=%zd, is_acc=%d", real_addr, shift_queue->total_shift, is_acc);
if(coarray_size % _XMP_MPI_ALIGNMENT == 0)
shift = coarray_size;
else{
shift = ((coarray_size / _XMP_MPI_ALIGNMENT) + 1) * _XMP_MPI_ALIGNMENT;
}
_push_shift_queue(shift_queue, shift);
size_t total_shift = shift_queue->total_shift;
if(total_shift > _xmp_mpi_onesided_heap_size){
fprintf(stderr, "_xmp_mpi_onesided_heap_size=%zd\n", _xmp_mpi_onesided_heap_size);
if(_XMP_world_rank == 0){
fprintf(stderr, "[ERROR] Cannot allocate coarray. Heap memory size of coarray is too small.\n");
fprintf(stderr, " Please set the environmental variable \"XMP_ONESIDED_HEAP_SIZE\".\n");
fprintf(stderr, " e.g.) export XMP_ONESIDED_HEAP_SIZE=%zuM (or more).\n",
(total_shift/1024/1024)+1);
}
_XMP_fatal_nomsg();
}
}
if(is_acc){
#ifdef _XMP_XACC
coarray_desc->addr_dev = each_addr;
coarray_desc->real_addr_dev = real_addr;
coarray_desc->win_acc = win;
coarray_desc->nodes = nodes;
#endif
}else{
coarray_desc->addr = each_addr;
coarray_desc->real_addr = real_addr;
coarray_desc->win = win;
coarray_desc->win_acc = MPI_WIN_NULL;
coarray_desc->nodes = nodes;
}
*addr = real_addr;
}
void _XMP_reflect_pcopy_sched_dim(_XMP_array_t *adesc, int target_dim,
int lwidth, int uwidth, int is_periodic, int shadow_comm_type){
if (lwidth == 0 && uwidth == 0) return;
_XMP_array_info_t *ai = &(adesc->info[target_dim]);
_XMP_array_info_t *ainfo = adesc->info;
_XMP_ASSERT(ai->align_manner == _XMP_N_ALIGN_BLOCK);
_XMP_ASSERT(ai->is_shadow_comm_member);
if (lwidth > ai->shadow_size_lo || uwidth > ai->shadow_size_hi){
_XMP_fatal("reflect width is larger than shadow width.");
}
_XMP_reflect_sched_t *reflect = ai->reflect_sched;
int target_tdim = ai->align_template_index;
_XMP_nodes_info_t *ni = adesc->align_template->chunk[target_tdim].onto_nodes_info;
if (ni->size == 1 && !is_periodic) return;
int ndims = adesc->dim;
// 0-origin
int my_pos = ni->rank;
int lb_pos = _XMP_get_owner_pos(adesc, target_dim, ai->ser_lower);
int ub_pos = _XMP_get_owner_pos(adesc, target_dim, ai->ser_upper);
int lo_pos = (my_pos == lb_pos) ? ub_pos : my_pos - 1;
int hi_pos = (my_pos == ub_pos) ? lb_pos : my_pos + 1;
MPI_Comm *comm = adesc->align_template->onto_nodes->comm;
int my_rank = adesc->align_template->onto_nodes->comm_rank;
int lo_rank = my_rank + (lo_pos - my_pos) * ni->multiplier;
int hi_rank = my_rank + (hi_pos - my_pos) * ni->multiplier;
int count = 0, blocklength = 0;
long long stride = 0;
int type_size = adesc->type_size;
void *array_addr = adesc->array_addr_p;
void *lo_send_array = NULL, *lo_recv_array = NULL;
void *hi_send_array = NULL, *hi_recv_array = NULL;
void *lo_send_buf = NULL;
void *lo_recv_buf = NULL;
void *hi_send_buf = NULL;
void *hi_recv_buf = NULL;
int lo_buf_size = 0;
int hi_buf_size = 0;
if (reflect->prev_pcopy_sched_type &&
lwidth == reflect->lo_width &&
uwidth == reflect->hi_width &&
is_periodic == reflect->is_periodic){
if ((adesc->order == MPI_ORDER_FORTRAN && target_dim != ndims - 1) ||
(adesc->order == MPI_ORDER_C && target_dim != 0)){
goto init_comm;
}
else if (reflect->prev_pcopy_sched_type != shadow_comm_type){
count = reflect->count;
blocklength = reflect->blocklength;
stride = reflect->stride;
goto alloc_buf;
}
}
//
// setup data_type
//
if (adesc->order == MPI_ORDER_FORTRAN){ /* for XMP/F */
count = 1;
blocklength = type_size;
stride = ainfo[0].alloc_size * type_size;
for (int i = ndims - 2; i >= target_dim; i--){
count *= ainfo[i+1].alloc_size;
}
for (int i = 1; i <= target_dim; i++){
blocklength *= ainfo[i-1].alloc_size;
stride *= ainfo[i].alloc_size;
}
}
else if (adesc->order == MPI_ORDER_C){ /* for XMP/C */
count = 1;
blocklength = type_size;
stride = ainfo[ndims-1].alloc_size * type_size;
for (int i = 1; i <= target_dim; i++){
count *= ainfo[i-1].alloc_size;
}
for (int i = ndims - 2; i >= target_dim; i--){
blocklength *= ainfo[i+1].alloc_size;
stride *= ainfo[i].alloc_size;
}
}
else {
_XMP_fatal("cannot determin the base language.");
}
//
// calculate base address
//
alloc_buf:
// for lower reflect
if (lwidth){
lo_send_array = array_addr;
lo_recv_array = array_addr;
for (int i = 0; i < ndims; i++) {
int lb_send, lb_recv;
unsigned long long dim_acc;
if (i == target_dim) {
lb_send = ainfo[i].local_upper - lwidth + 1;
lb_recv = ainfo[i].shadow_size_lo - lwidth;;
}
else {
// Note: including shadow area
lb_send = 0;
lb_recv = 0;
}
dim_acc = ainfo[i].dim_acc;
lo_send_array = (void *)((char *)lo_send_array + lb_send * dim_acc * type_size);
lo_recv_array = (void *)((char *)lo_recv_array + lb_recv * dim_acc * type_size);
}
}
// for upper reflect
if (uwidth){
hi_send_array = array_addr;
hi_recv_array = array_addr;
for (int i = 0; i < ndims; i++) {
int lb_send, lb_recv;
unsigned long long dim_acc;
if (i == target_dim) {
lb_send = ainfo[i].local_lower;
lb_recv = ainfo[i].local_upper + 1;
}
else {
// Note: including shadow area
lb_send = 0;
lb_recv = 0;
}
dim_acc = ainfo[i].dim_acc;
hi_send_array = (void *)((char *)hi_send_array + lb_send * dim_acc * type_size);
hi_recv_array = (void *)((char *)hi_recv_array + lb_recv * dim_acc * type_size);
}
}
//
// Allocate buffers
//
if (reflect->prev_pcopy_sched_type == _XMP_COMM_REFLECT &&
((adesc->order == MPI_ORDER_FORTRAN && target_dim == ndims - 1) ||
(adesc->order == MPI_ORDER_C && target_dim == 0))){
;
}
else {
_XMP_free(reflect->lo_send_buf);
_XMP_free(reflect->lo_recv_buf);
_XMP_free(reflect->hi_send_buf);
_XMP_free(reflect->hi_recv_buf);
}
// for lower reflect
if (lwidth){
lo_buf_size = lwidth * blocklength * count;
if (shadow_comm_type == _XMP_COMM_REFLECT &&
((adesc->order == MPI_ORDER_FORTRAN && target_dim == ndims - 1) ||
(adesc->order == MPI_ORDER_C && target_dim == 0))){
lo_send_buf = lo_send_array;
lo_recv_buf = lo_recv_array;
}
else {
_XMP_TSTART(t0);
lo_send_buf = _XMP_alloc(lo_buf_size);
lo_recv_buf = _XMP_alloc(lo_buf_size);
_XMP_TEND2(xmptiming_.t_mem, xmptiming_.tdim_mem[target_dim], t0);
}
}
// for upper reflect
if (uwidth){
hi_buf_size = uwidth * blocklength * count;
if (shadow_comm_type == _XMP_COMM_REFLECT &&
((adesc->order == MPI_ORDER_FORTRAN && target_dim == ndims - 1) ||
(adesc->order == MPI_ORDER_C && target_dim == 0))){
hi_send_buf = hi_send_array;
hi_recv_buf = hi_recv_array;
}
else {
_XMP_TSTART(t0);
hi_send_buf = _XMP_alloc(hi_buf_size);
hi_recv_buf = _XMP_alloc(hi_buf_size);
_XMP_TEND2(xmptiming_.t_mem, xmptiming_.tdim_mem[target_dim], t0);
}
}
//
// cache schedule
//
reflect->count = count;
reflect->blocklength = blocklength;
reflect->stride = stride;
reflect->lo_send_array = lo_send_array;
reflect->lo_recv_array = lo_recv_array;
reflect->hi_send_array = hi_send_array;
reflect->hi_recv_array = hi_recv_array;
reflect->lo_send_buf = lo_send_buf;
reflect->lo_recv_buf = lo_recv_buf;
reflect->hi_send_buf = hi_send_buf;
reflect->hi_recv_buf = hi_recv_buf;
//
// initialize communication
//
int src, dst;
init_comm:
if (!is_periodic && my_pos == lb_pos){ // no periodic
lo_rank = MPI_PROC_NULL;
}
if (!is_periodic && my_pos == ub_pos){ // no periodic
hi_rank = MPI_PROC_NULL;
}
lo_buf_size = lwidth * reflect->blocklength * reflect->count;
hi_buf_size = uwidth * reflect->blocklength * reflect->count;
// for lower shadow
if (lwidth){
src = lo_rank;
dst = hi_rank;
}
else {
src = MPI_PROC_NULL;
dst = MPI_PROC_NULL;
}
if (shadow_comm_type == _XMP_COMM_REDUCE_SHADOW){
if (reflect->req_reduce[0] != MPI_REQUEST_NULL){
MPI_Request_free(&reflect->req_reduce[0]);
}
if (reflect->req_reduce[1] != MPI_REQUEST_NULL){
MPI_Request_free(&reflect->req_reduce[1]);
}
MPI_Send_init(reflect->lo_recv_buf, lo_buf_size, MPI_BYTE, src,
_XMP_N_MPI_TAG_REFLECT_LO, *comm, &reflect->req_reduce[0]);
MPI_Recv_init(reflect->lo_send_buf, lo_buf_size, MPI_BYTE, dst,
_XMP_N_MPI_TAG_REFLECT_LO, *comm, &reflect->req_reduce[1]);
}
else {
if (reflect->req[0] != MPI_REQUEST_NULL){
MPI_Request_free(&reflect->req[0]);
}
if (reflect->req[1] != MPI_REQUEST_NULL){
MPI_Request_free(&reflect->req[1]);
}
MPI_Recv_init(reflect->lo_recv_buf, lo_buf_size, MPI_BYTE, src,
_XMP_N_MPI_TAG_REFLECT_LO, *comm, &reflect->req[0]);
MPI_Send_init(reflect->lo_send_buf, lo_buf_size, MPI_BYTE, dst,
_XMP_N_MPI_TAG_REFLECT_LO, *comm, &reflect->req[1]);
}
// for upper shadow
if (uwidth){
src = hi_rank;
dst = lo_rank;
}
else {
src = MPI_PROC_NULL;
dst = MPI_PROC_NULL;
}
if (shadow_comm_type == _XMP_COMM_REDUCE_SHADOW){
if (reflect->req_reduce[2] != MPI_REQUEST_NULL){
MPI_Request_free(&reflect->req_reduce[2]);
}
if (reflect->req_reduce[3] != MPI_REQUEST_NULL){
MPI_Request_free(&reflect->req_reduce[3]);
}
MPI_Send_init(reflect->hi_recv_buf, hi_buf_size, MPI_BYTE, src,
_XMP_N_MPI_TAG_REFLECT_HI, *comm, &reflect->req_reduce[2]);
MPI_Recv_init(reflect->hi_send_buf, hi_buf_size, MPI_BYTE, dst,
_XMP_N_MPI_TAG_REFLECT_HI, *comm, &reflect->req_reduce[3]);
}
else {
if (reflect->req[2] != MPI_REQUEST_NULL){
MPI_Request_free(&reflect->req[2]);
}
if (reflect->req[3] != MPI_REQUEST_NULL){
MPI_Request_free(&reflect->req[3]);
}
MPI_Recv_init(reflect->hi_recv_buf, hi_buf_size, MPI_BYTE, src,
_XMP_N_MPI_TAG_REFLECT_HI, *comm, &reflect->req[2]);
MPI_Send_init(reflect->hi_send_buf, hi_buf_size, MPI_BYTE, dst,
_XMP_N_MPI_TAG_REFLECT_HI, *comm, &reflect->req[3]);
}
reflect->prev_pcopy_sched_type = shadow_comm_type;
reflect->lo_rank = lo_rank;
reflect->hi_rank = hi_rank;
}
void _XMP_reflect_async_ordinal(_XMP_array_t *a, int async_id){
int n = a->dim;
_XMP_async_reflect_t *async_reflect;
_Bool reusable_sched = false;
if (!a->async_reflect){
int max_nreqs = (pow(3, n) - 1) * 2;
async_reflect = (_XMP_async_reflect_t *)_XMP_alloc(sizeof(_XMP_async_reflect_t));
async_reflect->datatype = (MPI_Datatype *)_XMP_alloc(sizeof(MPI_Datatype) * max_nreqs);
async_reflect->reqs = (MPI_Request *)_XMP_alloc(sizeof(MPI_Request) * max_nreqs);
for (int i = 0; i < max_nreqs; i++){
async_reflect->datatype[i] = MPI_DATATYPE_NULL;
async_reflect->reqs[i] = MPI_REQUEST_NULL;
}
async_reflect->nreqs = 0;
a->async_reflect = async_reflect;
}
else {
reusable_sched = true;
async_reflect = a->async_reflect;
for (int i = 0; i < n; i++){
if (async_reflect->lwidth[i] != _xmp_lwidth[i] ||
async_reflect->uwidth[i] != _xmp_uwidth[i] ||
async_reflect->is_periodic[i] != _xmp_is_periodic[i]){
reusable_sched = false;
break;
}
}
}
if (!reusable_sched){
int lb[_XMP_N_MAX_DIM] = { 0 };
int ub[_XMP_N_MAX_DIM] = { 0 };
for (int i = 0; i < n; i++){
async_reflect->lwidth[i] = _xmp_lwidth[i];
async_reflect->uwidth[i] = _xmp_uwidth[i];
async_reflect->is_periodic[i] = _xmp_is_periodic[i];
if (_xmp_lwidth[i] > 0) lb[i] = -1;
if (_xmp_uwidth[i] > 0) ub[i] = 1;
}
for (int i = 0; i < async_reflect->nreqs; i++){
if (async_reflect->datatype[i] != MPI_DATATYPE_NULL)
MPI_Type_free(&async_reflect->datatype[i]);
if (async_reflect->reqs[i] != MPI_REQUEST_NULL)
MPI_Request_free(&async_reflect->reqs[i]);
}
async_reflect->nreqs = 0;
int ishadow[_XMP_N_MAX_DIM];
for (ishadow[0] = lb[0]; ishadow[0] <= ub[0]; ishadow[0]++){
for (ishadow[1] = lb[1]; ishadow[1] <= ub[1]; ishadow[1]++){
for (ishadow[2] = lb[2]; ishadow[2] <= ub[2]; ishadow[2]++){
for (ishadow[3] = lb[3]; ishadow[3] <= ub[3]; ishadow[3]++){
for (ishadow[4] = lb[4]; ishadow[4] <= ub[4]; ishadow[4]++){
for (ishadow[5] = lb[5]; ishadow[5] <= ub[5]; ishadow[5]++){
for (ishadow[6] = lb[6]; ishadow[6] <= ub[6]; ishadow[6]++){
// When ishadow > 0, upper shadow is to be updated, and vice versa.
int nnzero = 0;
for (int i = 0; i < n; i++){
if (ishadow[i] != 0) nnzero++;
}
if (nnzero == 0) continue;
_XMP_reflect_sched_dir(a, ishadow, _xmp_lwidth, _xmp_uwidth, _xmp_is_periodic);
}}}}}}}
}
_XMP_async_comm_t *async = _XMP_get_current_async();
MPI_Request *reqs = &async->reqs[async->nreqs];
// copy to async
if (async->nreqs + async_reflect->nreqs > _XMP_MAX_ASYNC_REQS){
_XMP_fatal("too many arrays in an asynchronous reflect");
}
memcpy(reqs, async_reflect->reqs, async_reflect->nreqs * sizeof(MPI_Request));
async->nreqs += async_reflect->nreqs;
_XMP_TSTART(t0);
MPI_Startall(async_reflect->nreqs, reqs);
_XMP_TEND(xmptiming_.t_start, t0);
}
void xmpf_array_alloc__(_XMP_array_t **a_desc, int *n_dim, int *type,
_XMP_template_t **t_desc)
{
_XMP_array_t *a = _XMP_alloc(sizeof(_XMP_array_t) + sizeof(_XMP_array_info_t) * (*n_dim - 1));
// moved to xmpf_align_info
//a->is_allocated = (*t_desc)->is_owner;
a->is_align_comm_member = false;
a->dim = *n_dim;
a->type = *type;
a->type_size = _XMP_get_datatype_size(a->type);
size_t dummy;
_XMP_setup_reduce_type(&a->mpi_type, &dummy, *type);
a->order = MPI_ORDER_FORTRAN;
a->total_elmts = 0;
a->async_reflect = NULL;
a->align_comm = NULL;
a->align_comm_size = 1;
a->align_comm_rank = _XMP_N_INVALID_RANK;
a->array_nodes = NULL;
#ifdef _XMP_MPI3_ONESIDED
a->coarray = NULL;
#endif
//a->num_reqs = -1;
//a->mpi_req_shadow = _XMP_alloc(sizeof(MPI_Request) * 4 * (*n_dim));
a->align_template = *t_desc;
*a_desc = a;
for (int i = 0; i < *n_dim; i++) {
_XMP_array_info_t *ai = &(a->info[i]);
ai->is_shadow_comm_member = false;
ai->ser_lower = 0;
ai->ser_upper = 0;
ai->ser_size = 0;
ai->par_lower = 0;
ai->par_upper = 0;
ai->par_stride = 0;
ai->par_size = 0;
ai->local_lower = 0;
ai->local_upper = 0;
ai->local_stride = 0;
ai->alloc_size = 0;
ai->shadow_type = _XMP_N_SHADOW_NONE;
ai->shadow_size_lo = 0;
ai->shadow_size_hi = 0;
ai->reflect_sched = NULL;
ai->shadow_comm = NULL;
ai->shadow_comm_size = 1;
ai->shadow_comm_rank = _XMP_N_INVALID_RANK;
}
//xmpf_dbg_printf("xmpf_array_alloc ends\n");
}
static void _XMP_reflect_sched(_XMP_array_t *a, int *lwidth, int *uwidth,
int *is_periodic, int is_async, void *dev_addr)
{
_XMP_TSTART(t0);
for (int i = 0; i < a->dim; i++){
_XMP_array_info_t *ai = &(a->info[i]);
if (ai->shadow_type == _XMP_N_SHADOW_NONE){
continue;
}
else if (ai->shadow_type == _XMP_N_SHADOW_NORMAL){
_XMP_reflect_sched_t *reflect = ai->reflect_acc_sched;
if(reflect == NULL){
reflect = _XMP_alloc(sizeof(_XMP_reflect_sched_t));
reflect->is_periodic = -1; /* not used yet */
reflect->datatype_lo = MPI_DATATYPE_NULL;
reflect->datatype_hi = MPI_DATATYPE_NULL;
for (int j = 0; j < 4; j++) reflect->req[j] = MPI_REQUEST_NULL;
reflect->lo_send_buf = NULL;
reflect->lo_recv_buf = NULL;
reflect->hi_send_buf = NULL;
reflect->hi_recv_buf = NULL;
reflect->lo_send_host_buf = NULL;
reflect->lo_recv_host_buf = NULL;
reflect->hi_send_host_buf = NULL;
reflect->hi_recv_host_buf = NULL;
ai->reflect_acc_sched = reflect;
}else{
//
}
if (1/*lwidth[i] || uwidth[i]*/){
_XMP_ASSERT(reflect);
if (reflect->is_periodic == -1 /* not set yet */ ||
lwidth[i] != reflect->lo_width ||
uwidth[i] != reflect->hi_width ||
is_periodic[i] != reflect->is_periodic){
reflect->lo_width = lwidth[i];
reflect->hi_width = uwidth[i];
reflect->is_periodic = is_periodic[i];
if (/*_xmp_reflect_pack_flag && !is_async*/ 1){
_XMP_reflect_pcopy_sched_dim(a, i, lwidth[i], uwidth[i], is_periodic[i], dev_addr, lwidth, uwidth);
}
else {
//_XMP_reflect_normal_sched_dim(a, i, lwidth[i], uwidth[i], is_periodic[i]);
}
}
}
}
else { /* _XMP_N_SHADOW_FULL */
;
}
}
_XMP_TEND(xmptiming_.t_sched, t0);
}
