/* smpi_mpi_dt.c -- MPI primitives to handle datatypes */
/* FIXME: a very incomplete implementation */
-/* Copyright (c) 2009, 2010. The SimGrid Team.
+/* Copyright (c) 2009-2014. The SimGrid Team.
* All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
#include "private.h"
#include "smpi_mpi_dt_private.h"
+#include "mc/mc.h"
+#include "xbt/replay.h"
+#include "simgrid/modelchecker.h"
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_mpi_dt, smpi,
"Logging specific to SMPI (datatype)");
// Internal use only
CREATE_MPI_DATATYPE(MPI_PTR, void*);
+/** Check if the datatype is usable for communications
+ */
+int is_datatype_valid(MPI_Datatype datatype) {
+ return datatype != MPI_DATATYPE_NULL
+ && (datatype->flags & DT_FLAG_COMMITED);
+}
size_t smpi_datatype_size(MPI_Datatype datatype)
{
return datatype->size;
}
-
-
MPI_Aint smpi_datatype_lb(MPI_Datatype datatype)
{
return datatype->lb;
return datatype->ub;
}
+MPI_Datatype smpi_datatype_dup(MPI_Datatype datatype)
+{
+ MPI_Datatype new_t= xbt_new(s_smpi_mpi_datatype_t,1);
+ memcpy(new_t, datatype, sizeof(s_smpi_mpi_datatype_t));
+ if (datatype->has_subtype)
+ memcpy(new_t->substruct, datatype->substruct, sizeof(s_smpi_subtype_t));
+ return new_t;
+}
+
int smpi_datatype_extent(MPI_Datatype datatype, MPI_Aint * lb,
MPI_Aint * extent)
{
void *recvbuf, int recvcount, MPI_Datatype recvtype)
{
int count;
-
+ if(smpi_privatize_global_variables){
+ switch_data_segment(smpi_process_index());
+ }
/* First check if we really have something to do */
if (recvcount > 0 && recvbuf != sendbuf) {
/* FIXME: treat packed cases */
count = sendcount < recvcount ? sendcount : recvcount;
if(sendtype->has_subtype == 0 && recvtype->has_subtype == 0) {
- memcpy(recvbuf, sendbuf, count);
+ if(!_xbt_replay_is_active()) memcpy(recvbuf, sendbuf, count);
}
else if (sendtype->has_subtype == 0)
{
void * buf_tmp = xbt_malloc(count);
- subtype->serialize( sendbuf, buf_tmp,1, subtype);
+ subtype->serialize( sendbuf, buf_tmp,count/smpi_datatype_size(sendtype), subtype);
subtype = recvtype->substruct;
- subtype->unserialize( buf_tmp, recvbuf,1, subtype);
+ subtype->unserialize( buf_tmp, recvbuf,count/smpi_datatype_size(recvtype), subtype);
free(buf_tmp);
}
type_c->old_type->substruct);
contiguous_vector_char += type_c->block_length*type_c->size_oldtype;
+ if((i+1)%type_c->block_count ==0)
+ noncontiguous_vector_char += type_c->block_length*smpi_datatype_get_extent(type_c->old_type);
+ else
noncontiguous_vector_char += type_c->block_stride*smpi_datatype_get_extent(type_c->old_type);
}
}
type_c->block_length,
type_c->old_type->substruct);
contiguous_vector_char += type_c->block_length*type_c->size_oldtype;
+ if((i+1)%type_c->block_count ==0)
+ noncontiguous_vector_char += type_c->block_length*smpi_datatype_get_extent(type_c->old_type);
+ else
noncontiguous_vector_char += type_c->block_stride*smpi_datatype_get_extent(type_c->old_type);
}
}
new_t->block_stride = block_stride;
new_t->block_length = block_length;
new_t->block_count = block_count;
+ smpi_datatype_use(old_type);
new_t->old_type = old_type;
new_t->size_oldtype = size_oldtype;
return new_t;
new_t->substruct = struct_type;
new_t->in_use=0;
*new_type = new_t;
+
+#ifdef HAVE_MC
+ if(MC_is_active())
+ MC_ignore(&(new_t->in_use), sizeof(new_t->in_use));
+#endif
}
void smpi_datatype_free(MPI_Datatype* type){
xbt_free((*type)->substruct);
}
xbt_free(*type);
-
+ *type = MPI_DATATYPE_NULL;
}
void smpi_datatype_use(MPI_Datatype type){
if(type)type->in_use++;
+
+#ifdef HAVE_MC
+ if(MC_is_active())
+ MC_ignore(&(type->in_use), sizeof(type->in_use));
+#endif
}
void smpi_datatype_unuse(MPI_Datatype type){
if(type && type->in_use-- == 0 && (type->flags & DT_FLAG_DESTROYED))
smpi_datatype_free(&type);
+
+#ifdef HAVE_MC
+ if(MC_is_active())
+ MC_ignore(&(type->in_use), sizeof(type->in_use));
+#endif
}
}
void free_contiguous(MPI_Datatype* d){
+ smpi_datatype_unuse(((s_smpi_mpi_indexed_t *)(*d)->substruct)->old_type);
}
/*
new_t->block_count = block_count;
new_t->old_type = old_type;
new_t->size_oldtype = size_oldtype;
+ smpi_datatype_use(old_type);
return new_t;
}
}
void free_vector(MPI_Datatype* d){
+ smpi_datatype_unuse(((s_smpi_mpi_indexed_t *)(*d)->substruct)->old_type);
}
/*
type_c->old_type->substruct);
contiguous_vector_char += type_c->block_length*type_c->size_oldtype;
+ if((i+1)%type_c->block_count ==0)
+ noncontiguous_vector_char += type_c->block_length*type_c->size_oldtype;
+ else
noncontiguous_vector_char += type_c->block_stride;
}
}
type_c->block_length,
type_c->old_type->substruct);
contiguous_vector_char += type_c->block_length*type_c->size_oldtype;
+ if((i+1)%type_c->block_count ==0)
+ noncontiguous_vector_char += type_c->block_length*type_c->size_oldtype;
+ else
noncontiguous_vector_char += type_c->block_stride;
}
}
new_t->block_count = block_count;
new_t->old_type = old_type;
new_t->size_oldtype = size_oldtype;
+ smpi_datatype_use(old_type);
return new_t;
}
//do nothing for vector types
void free_hvector(MPI_Datatype* d){
+ smpi_datatype_unuse(((s_smpi_mpi_indexed_t *)(*d)->substruct)->old_type);
}
int smpi_datatype_hvector(int count, int blocklen, MPI_Aint stride, MPI_Datatype old_type, MPI_Datatype* new_type)
void free_indexed(MPI_Datatype* type){
xbt_free(((s_smpi_mpi_indexed_t *)(*type)->substruct)->block_lengths);
xbt_free(((s_smpi_mpi_indexed_t *)(*type)->substruct)->block_indices);
+ smpi_datatype_unuse(((s_smpi_mpi_indexed_t *)(*type)->substruct)->old_type);
}
/*
new_t->block_indices[i]=block_indices[i];
}
new_t->block_count = block_count;
+ smpi_datatype_use(old_type);
new_t->old_type = old_type;
new_t->size_oldtype = size_oldtype;
return new_t;
void free_hindexed(MPI_Datatype* type){
xbt_free(((s_smpi_mpi_hindexed_t *)(*type)->substruct)->block_lengths);
xbt_free(((s_smpi_mpi_hindexed_t *)(*type)->substruct)->block_indices);
+ smpi_datatype_unuse(((s_smpi_mpi_indexed_t *)(*type)->substruct)->old_type);
}
/*
void free_struct(MPI_Datatype* type){
xbt_free(((s_smpi_mpi_struct_t *)(*type)->substruct)->block_lengths);
xbt_free(((s_smpi_mpi_struct_t *)(*type)->substruct)->block_indices);
+ int i=0;
+ for (i = 0; i < ((s_smpi_mpi_struct_t *)(*type)->substruct)->block_count; i++)
+ smpi_datatype_unuse(((s_smpi_mpi_struct_t *)(*type)->substruct)->old_types[i]);
xbt_free(((s_smpi_mpi_struct_t *)(*type)->substruct)->old_types);
}
new_t->block_lengths[i]=block_lengths[i];
new_t->block_indices[i]=block_indices[i];
new_t->old_types[i]=old_types[i];
+ smpi_datatype_use(new_t->old_types[i]);
}
//new_t->block_lengths = block_lengths;
//new_t->block_indices = block_indices;
#define BXOR_OP(a, b) (b) ^= (a)
#define MAXLOC_OP(a, b) (b) = (a.value) < (b.value) ? (b) : (a)
#define MINLOC_OP(a, b) (b) = (a.value) < (b.value) ? (a) : (b)
-//TODO : MINLOC & MAXLOC
+#define REPLACE_OP(a,b) (b) = (a)
#define APPLY_FUNC(a, b, length, type, func) \
{ \
}
}
+static void replace_func(void *a, void *b, int *length,
+ MPI_Datatype * datatype)
+{
+ if (*datatype == MPI_CHAR) {
+ APPLY_FUNC(a, b, length, char, REPLACE_OP);
+ } else if (*datatype == MPI_SHORT) {
+ APPLY_FUNC(a, b, length, short, REPLACE_OP);
+ } else if (*datatype == MPI_INT) {
+ APPLY_FUNC(a, b, length, int, REPLACE_OP);
+ } else if (*datatype == MPI_LONG) {
+ APPLY_FUNC(a, b, length, long, REPLACE_OP);
+ } else if (*datatype == MPI_UNSIGNED_SHORT) {
+ APPLY_FUNC(a, b, length, unsigned short, REPLACE_OP);
+ } else if (*datatype == MPI_UNSIGNED) {
+ APPLY_FUNC(a, b, length, unsigned int, REPLACE_OP);
+ } else if (*datatype == MPI_UNSIGNED_LONG) {
+ APPLY_FUNC(a, b, length, unsigned long, REPLACE_OP);
+ } else if (*datatype == MPI_BYTE) {
+ APPLY_FUNC(a, b, length, uint8_t, REPLACE_OP);
+ }
+}
#define CREATE_MPI_OP(name, func) \
static s_smpi_mpi_op_t mpi_##name = { &(func) /* func */, TRUE }; \
CREATE_MPI_OP(MPI_BXOR, bxor_func);
CREATE_MPI_OP(MPI_MAXLOC, maxloc_func);
CREATE_MPI_OP(MPI_MINLOC, minloc_func);
+CREATE_MPI_OP(MPI_REPLACE, replace_func);
+
MPI_Op smpi_op_new(MPI_User_function * function, int commute)
{
int smpi_op_is_commute(MPI_Op op)
{
- return op-> is_commute;
+ return (op==MPI_OP_NULL) ? 1 : op-> is_commute;
}
void smpi_op_destroy(MPI_Op op)
void smpi_op_apply(MPI_Op op, void *invec, void *inoutvec, int *len,
MPI_Datatype * datatype)
{
+ if(smpi_privatize_global_variables){ //we need to switch here, as the called function may silently touch global variables
+ XBT_VERB("Applying operation, switch to the right data frame ");
+ switch_data_segment(smpi_process_index());
+ }
+
+ if(!_xbt_replay_is_active())
op->func(invec, inoutvec, len, datatype);
}
