X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/c77b7752704cc065993f337238a81c9f6d2cf20a..4d140762b2b9c8746cdd3b0680a7167867ba0ad9:/src/smpi/smpi_datatype.cpp diff --git a/src/smpi/smpi_datatype.cpp b/src/smpi/smpi_datatype.cpp deleted file mode 100644 index de74190462..0000000000 --- a/src/smpi/smpi_datatype.cpp +++ /dev/null @@ -1,498 +0,0 @@ -/* smpi_datatype.cpp -- MPI primitives to handle datatypes */ -/* Copyright (c) 2009-2017. The SimGrid Team. All rights reserved. */ - -/* This program is free software; you can redistribute it and/or modify it - * under the terms of the license (GNU LGPL) which comes with this package. */ - -#include "simgrid/modelchecker.h" -#include "src/smpi/private.h" -#include "src/smpi/private.hpp" -#include "src/smpi/smpi_datatype_derived.hpp" -#include "src/smpi/smpi_op.hpp" -#include "src/smpi/smpi_process.hpp" - -XBT_LOG_NEW_DEFAULT_SUBCATEGORY(smpi_datatype, smpi, "Logging specific to SMPI (datatype)"); - -#define CREATE_MPI_DATATYPE(name, type) \ - static simgrid::smpi::Datatype mpi_##name ( \ - (char*) # name, \ - sizeof(type), /* size */ \ - 0, /* lb */ \ - sizeof(type), /* ub = lb + size */ \ - DT_FLAG_BASIC /* flags */ \ - ); \ -const MPI_Datatype name = &mpi_##name; - -#define CREATE_MPI_DATATYPE_NULL(name) \ - static simgrid::smpi::Datatype mpi_##name ( \ - (char*) # name, \ - 0, /* size */ \ - 0, /* lb */ \ - 0, /* ub = lb + size */ \ - DT_FLAG_BASIC /* flags */ \ - ); \ -const MPI_Datatype name = &mpi_##name; - -// Predefined data types -CREATE_MPI_DATATYPE(MPI_CHAR, char); -CREATE_MPI_DATATYPE(MPI_SHORT, short); -CREATE_MPI_DATATYPE(MPI_INT, int); -CREATE_MPI_DATATYPE(MPI_LONG, long); -CREATE_MPI_DATATYPE(MPI_LONG_LONG, long long); -CREATE_MPI_DATATYPE(MPI_SIGNED_CHAR, signed char); -CREATE_MPI_DATATYPE(MPI_UNSIGNED_CHAR, unsigned char); -CREATE_MPI_DATATYPE(MPI_UNSIGNED_SHORT, unsigned short); -CREATE_MPI_DATATYPE(MPI_UNSIGNED, unsigned int); -CREATE_MPI_DATATYPE(MPI_UNSIGNED_LONG, unsigned long); -CREATE_MPI_DATATYPE(MPI_UNSIGNED_LONG_LONG, unsigned long long); -CREATE_MPI_DATATYPE(MPI_FLOAT, float); -CREATE_MPI_DATATYPE(MPI_DOUBLE, double); -CREATE_MPI_DATATYPE(MPI_LONG_DOUBLE, long double); -CREATE_MPI_DATATYPE(MPI_WCHAR, wchar_t); -CREATE_MPI_DATATYPE(MPI_C_BOOL, bool); -CREATE_MPI_DATATYPE(MPI_BYTE, int8_t); -CREATE_MPI_DATATYPE(MPI_INT8_T, int8_t); -CREATE_MPI_DATATYPE(MPI_INT16_T, int16_t); -CREATE_MPI_DATATYPE(MPI_INT32_T, int32_t); -CREATE_MPI_DATATYPE(MPI_INT64_T, int64_t); -CREATE_MPI_DATATYPE(MPI_UINT8_T, uint8_t); -CREATE_MPI_DATATYPE(MPI_UINT16_T, uint16_t); -CREATE_MPI_DATATYPE(MPI_UINT32_T, uint32_t); -CREATE_MPI_DATATYPE(MPI_UINT64_T, uint64_t); -CREATE_MPI_DATATYPE(MPI_C_FLOAT_COMPLEX, float _Complex); -CREATE_MPI_DATATYPE(MPI_C_DOUBLE_COMPLEX, double _Complex); -CREATE_MPI_DATATYPE(MPI_C_LONG_DOUBLE_COMPLEX, long double _Complex); -CREATE_MPI_DATATYPE(MPI_AINT, MPI_Aint); -CREATE_MPI_DATATYPE(MPI_OFFSET, MPI_Offset); - -CREATE_MPI_DATATYPE(MPI_FLOAT_INT, float_int); -CREATE_MPI_DATATYPE(MPI_LONG_INT, long_int); -CREATE_MPI_DATATYPE(MPI_DOUBLE_INT, double_int); -CREATE_MPI_DATATYPE(MPI_SHORT_INT, short_int); -CREATE_MPI_DATATYPE(MPI_2INT, int_int); -CREATE_MPI_DATATYPE(MPI_2FLOAT, float_float); -CREATE_MPI_DATATYPE(MPI_2DOUBLE, double_double); -CREATE_MPI_DATATYPE(MPI_2LONG, long_long); - -CREATE_MPI_DATATYPE(MPI_REAL, float); -CREATE_MPI_DATATYPE(MPI_REAL4, float); -CREATE_MPI_DATATYPE(MPI_REAL8, float); -CREATE_MPI_DATATYPE(MPI_REAL16, double); -CREATE_MPI_DATATYPE_NULL(MPI_COMPLEX8); -CREATE_MPI_DATATYPE_NULL(MPI_COMPLEX16); -CREATE_MPI_DATATYPE_NULL(MPI_COMPLEX32); -CREATE_MPI_DATATYPE(MPI_INTEGER1, int); -CREATE_MPI_DATATYPE(MPI_INTEGER2, int16_t); -CREATE_MPI_DATATYPE(MPI_INTEGER4, int32_t); -CREATE_MPI_DATATYPE(MPI_INTEGER8, int64_t); -CREATE_MPI_DATATYPE(MPI_INTEGER16, integer128_t); - -CREATE_MPI_DATATYPE(MPI_LONG_DOUBLE_INT, long_double_int); - -CREATE_MPI_DATATYPE_NULL(MPI_UB); -CREATE_MPI_DATATYPE_NULL(MPI_LB); -CREATE_MPI_DATATYPE(MPI_PACKED, char); -// Internal use only -CREATE_MPI_DATATYPE(MPI_PTR, void*); - -namespace simgrid{ -namespace smpi{ - -std::unordered_map Datatype::keyvals_; -int Datatype::keyval_id_=0; - -Datatype::Datatype(int size,MPI_Aint lb, MPI_Aint ub, int flags) : name_(nullptr), size_(size), lb_(lb), ub_(ub), flags_(flags), refcount_(1){ -#if SIMGRID_HAVE_MC - if(MC_is_active()) - MC_ignore(&(refcount_), sizeof(refcount_)); -#endif -} - -//for predefined types, so in_use = 0. -Datatype::Datatype(char* name, int size,MPI_Aint lb, MPI_Aint ub, int flags) : name_(name), size_(size), lb_(lb), ub_(ub), flags_(flags), refcount_(0){ -#if SIMGRID_HAVE_MC - if(MC_is_active()) - MC_ignore(&(refcount_), sizeof(refcount_)); -#endif -} - -Datatype::Datatype(Datatype *datatype, int* ret) : name_(nullptr), lb_(datatype->lb_), ub_(datatype->ub_), flags_(datatype->flags_), refcount_(1) -{ - flags_ &= ~DT_FLAG_PREDEFINED; - *ret = MPI_SUCCESS; - if(datatype->name_) - name_ = xbt_strdup(datatype->name_); - - if (not datatype->attributes()->empty()) { - int flag; - void* value_out; - for(auto it = datatype->attributes()->begin(); it != datatype->attributes()->end(); it++){ - smpi_key_elem elem = keyvals_.at((*it).first); - - if (elem != nullptr && elem->copy_fn.type_copy_fn != MPI_NULL_COPY_FN) { - *ret = elem->copy_fn.type_copy_fn(datatype, (*it).first, nullptr, (*it).second, &value_out, &flag); - if (*ret != MPI_SUCCESS) { - break; - } - if (flag){ - elem->refcount++; - attributes()->insert({(*it).first, value_out}); - } - } - } - } -} - -Datatype::~Datatype(){ - xbt_assert(refcount_ >= 0); - - if(flags_ & DT_FLAG_PREDEFINED) - return; - - //if still used, mark for deletion - if(refcount_!=0){ - flags_ |=DT_FLAG_DESTROYED; - return; - } - - cleanup_attr(); - - xbt_free(name_); -} - - -void Datatype::ref(){ - - refcount_++; - -#if SIMGRID_HAVE_MC - if(MC_is_active()) - MC_ignore(&(refcount_), sizeof(refcount_)); -#endif -} - -void Datatype::unref(MPI_Datatype datatype) -{ - if (datatype->refcount_ > 0) - datatype->refcount_--; - - if (datatype->refcount_ == 0 && not(datatype->flags_ & DT_FLAG_PREDEFINED)) - delete datatype; - -#if SIMGRID_HAVE_MC - if(MC_is_active()) - MC_ignore(&(datatype->refcount_), sizeof(datatype->refcount_)); -#endif -} - -void Datatype::commit() -{ - flags_ |= DT_FLAG_COMMITED; -} - - -bool Datatype::is_valid(){ - return (flags_ & DT_FLAG_COMMITED); -} - -size_t Datatype::size(){ - return size_; -} - -int Datatype::flags(){ - return flags_; -} - -int Datatype::refcount(){ - return refcount_; -} - -void Datatype::addflag(int flag){ - flags_ &= flag; -} - -MPI_Aint Datatype::lb(){ - return lb_; -} - -MPI_Aint Datatype::ub(){ - return ub_; -} - -char* Datatype::name(){ - return name_; -} - - -int Datatype::extent(MPI_Aint * lb, MPI_Aint * extent){ - *lb = lb_; - *extent = ub_ - lb_; - return MPI_SUCCESS; -} - -MPI_Aint Datatype::get_extent(){ - return ub_ - lb_; -} - -void Datatype::get_name(char* name, int* length){ - *length = strlen(name_); - strncpy(name, name_, *length+1); -} - -void Datatype::set_name(char* name){ - if(name_!=nullptr && (flags_ & DT_FLAG_PREDEFINED) == 0) - xbt_free(name_); - name_ = xbt_strdup(name); -} - -int Datatype::pack(void* inbuf, int incount, void* outbuf, int outcount, int* position,MPI_Comm comm){ - if (outcount - *position < incount*static_cast(size_)) - return MPI_ERR_BUFFER; - Datatype::copy(inbuf, incount, this, static_cast(outbuf) + *position, outcount, MPI_CHAR); - *position += incount * size_; - return MPI_SUCCESS; -} - -int Datatype::unpack(void* inbuf, int insize, int* position, void* outbuf, int outcount,MPI_Comm comm){ - if (outcount*static_cast(size_)> insize) - return MPI_ERR_BUFFER; - Datatype::copy(static_cast(inbuf) + *position, insize, MPI_CHAR, outbuf, outcount, this); - *position += outcount * size_; - return MPI_SUCCESS; -} - - -int Datatype::copy(void *sendbuf, int sendcount, MPI_Datatype sendtype, - void *recvbuf, int recvcount, MPI_Datatype recvtype){ - -// FIXME Handle the case of a partial shared malloc. - - if(smpi_privatize_global_variables == SMPI_PRIVATIZE_MMAP){ - smpi_switch_data_segment(smpi_process()->index()); - } - /* First check if we really have something to do */ - if (recvcount > 0 && recvbuf != sendbuf) { - sendcount *= sendtype->size(); - recvcount *= recvtype->size(); - int count = sendcount < recvcount ? sendcount : recvcount; - - if (not(sendtype->flags() & DT_FLAG_DERIVED) && not(recvtype->flags() & DT_FLAG_DERIVED)) { - if (not smpi_process()->replaying()) - memcpy(recvbuf, sendbuf, count); - } else if (not(sendtype->flags() & DT_FLAG_DERIVED)) { - recvtype->unserialize( sendbuf, recvbuf, recvcount/recvtype->size(), MPI_REPLACE); - } else if (not(recvtype->flags() & DT_FLAG_DERIVED)) { - sendtype->serialize(sendbuf, recvbuf, sendcount/sendtype->size()); - }else{ - - void * buf_tmp = xbt_malloc(count); - - sendtype->serialize( sendbuf, buf_tmp,count/sendtype->size()); - recvtype->unserialize( buf_tmp, recvbuf,count/recvtype->size(), MPI_REPLACE); - - xbt_free(buf_tmp); - } - } - - return sendcount > recvcount ? MPI_ERR_TRUNCATE : MPI_SUCCESS; -} - -//Default serialization method : memcpy. -void Datatype::serialize( void* noncontiguous_buf, void *contiguous_buf, int count){ - char* contiguous_buf_char = static_cast(contiguous_buf); - char* noncontiguous_buf_char = static_cast(noncontiguous_buf)+lb_; - memcpy(contiguous_buf_char, noncontiguous_buf_char, count*size_); - -} - -void Datatype::unserialize( void* contiguous_buf, void *noncontiguous_buf, int count, MPI_Op op){ - char* contiguous_buf_char = static_cast(contiguous_buf); - char* noncontiguous_buf_char = static_cast(noncontiguous_buf)+lb_; - int n=count; - if(op!=MPI_OP_NULL) - op->apply( contiguous_buf_char, noncontiguous_buf_char, &n, this); -} - -int Datatype::create_contiguous(int count, MPI_Datatype old_type, MPI_Aint lb, MPI_Datatype* new_type){ - if(old_type->flags_ & DT_FLAG_DERIVED){ - //handle this case as a hvector with stride equals to the extent of the datatype - return create_hvector(count, 1, old_type->get_extent(), old_type, new_type); - } - if(count>0) - *new_type = new Type_Contiguous(count * old_type->size(), lb, lb + count * old_type->size(), - DT_FLAG_DERIVED, count, old_type); - else - *new_type = new Datatype(count * old_type->size(), lb, lb + count * old_type->size(),0); - return MPI_SUCCESS; -} - -int Datatype::create_vector(int count, int block_length, int stride, MPI_Datatype old_type, MPI_Datatype* new_type) -{ - int retval; - if (block_length<0) - return MPI_ERR_ARG; - MPI_Aint lb = 0; - MPI_Aint ub = 0; - if(count>0){ - lb=old_type->lb(); - ub=((count-1)*stride+block_length-1)*old_type->get_extent()+old_type->ub(); - } - if(old_type->flags() & DT_FLAG_DERIVED || stride != block_length){ - *new_type = new Type_Vector(count * (block_length) * old_type->size(), lb, ub, - DT_FLAG_DERIVED, count, block_length, stride, old_type); - retval=MPI_SUCCESS; - }else{ - /* in this situation the data are contiguous thus it's not required to serialize and unserialize it*/ - *new_type = new Datatype(count * block_length * old_type->size(), 0, ((count -1) * stride + block_length)* - old_type->size(), DT_FLAG_CONTIGUOUS); - retval=MPI_SUCCESS; - } - return retval; -} - - -int Datatype::create_hvector(int count, int block_length, MPI_Aint stride, MPI_Datatype old_type, MPI_Datatype* new_type) -{ - int retval; - if (block_length<0) - return MPI_ERR_ARG; - MPI_Aint lb = 0; - MPI_Aint ub = 0; - if(count>0){ - lb=old_type->lb(); - ub=((count-1)*stride)+(block_length-1)*old_type->get_extent()+old_type->ub(); - } - if(old_type->flags() & DT_FLAG_DERIVED || stride != block_length*old_type->get_extent()){ - *new_type = new Type_Hvector(count * (block_length) * old_type->size(), lb, ub, - DT_FLAG_DERIVED, count, block_length, stride, old_type); - retval=MPI_SUCCESS; - }else{ - /* in this situation the data are contiguous thus it's not required to serialize and unserialize it*/ - *new_type = new Datatype(count * block_length * old_type->size(), 0, count * block_length * old_type->size(), DT_FLAG_CONTIGUOUS); - retval=MPI_SUCCESS; - } - return retval; -} - -int Datatype::create_indexed(int count, int* block_lengths, int* indices, MPI_Datatype old_type, MPI_Datatype* new_type){ - int size = 0; - bool contiguous=true; - MPI_Aint lb = 0; - MPI_Aint ub = 0; - if(count>0){ - lb=indices[0]*old_type->get_extent(); - ub=indices[0]*old_type->get_extent() + block_lengths[0]*old_type->ub(); - } - - for (int i = 0; i < count; i++) { - if (block_lengths[i] < 0) - return MPI_ERR_ARG; - size += block_lengths[i]; - - if(indices[i]*old_type->get_extent()+old_type->lb()get_extent()+old_type->lb(); - if(indices[i]*old_type->get_extent()+block_lengths[i]*old_type->ub()>ub) - ub = indices[i]*old_type->get_extent()+block_lengths[i]*old_type->ub(); - - if ( (i< count -1) && (indices[i]+block_lengths[i] != indices[i+1]) ) - contiguous=false; - } - if(old_type->flags_ & DT_FLAG_DERIVED) - contiguous=false; - - if (not contiguous) { - *new_type = new Type_Indexed(size * old_type->size(),lb,ub, - DT_FLAG_DERIVED|DT_FLAG_DATA, count, block_lengths, indices, old_type); - }else{ - Datatype::create_contiguous(size, old_type, lb, new_type); - } - return MPI_SUCCESS; -} - -int Datatype::create_hindexed(int count, int* block_lengths, MPI_Aint* indices, MPI_Datatype old_type, MPI_Datatype* new_type){ - int size = 0; - bool contiguous=true; - MPI_Aint lb = 0; - MPI_Aint ub = 0; - if(count>0){ - lb=indices[0] + old_type->lb(); - ub=indices[0] + block_lengths[0]*old_type->ub(); - } - for (int i = 0; i < count; i++) { - if (block_lengths[i] < 0) - return MPI_ERR_ARG; - size += block_lengths[i]; - - if(indices[i]+old_type->lb()lb(); - if(indices[i]+block_lengths[i]*old_type->ub()>ub) - ub = indices[i]+block_lengths[i]*old_type->ub(); - - if ( (i< count -1) && (indices[i]+block_lengths[i]*(static_cast(old_type->size())) != indices[i+1]) ) - contiguous=false; - } - if (old_type->flags_ & DT_FLAG_DERIVED || lb!=0) - contiguous=false; - - if (not contiguous) { - *new_type = new Type_Hindexed(size * old_type->size(),lb,ub, - DT_FLAG_DERIVED|DT_FLAG_DATA, count, block_lengths, indices, old_type); - }else{ - Datatype::create_contiguous(size, old_type, lb, new_type); - } - return MPI_SUCCESS; -} - -int Datatype::create_struct(int count, int* block_lengths, MPI_Aint* indices, MPI_Datatype* old_types, MPI_Datatype* new_type){ - size_t size = 0; - bool contiguous=true; - size = 0; - MPI_Aint lb = 0; - MPI_Aint ub = 0; - if(count>0){ - lb=indices[0] + old_types[0]->lb(); - ub=indices[0] + block_lengths[0]*old_types[0]->ub(); - } - bool forced_lb=false; - bool forced_ub=false; - for (int i = 0; i < count; i++) { - if (block_lengths[i]<0) - return MPI_ERR_ARG; - if (old_types[i]->flags_ & DT_FLAG_DERIVED) - contiguous=false; - - size += block_lengths[i]*old_types[i]->size(); - if (old_types[i]==MPI_LB){ - lb=indices[i]; - forced_lb=true; - } - if (old_types[i]==MPI_UB){ - ub=indices[i]; - forced_ub=true; - } - - if (not forced_lb && indices[i] + old_types[i]->lb() < lb) - lb = indices[i]; - if (not forced_ub && indices[i] + block_lengths[i] * old_types[i]->ub() > ub) - ub = indices[i]+block_lengths[i]*old_types[i]->ub(); - - if ( (i< count -1) && (indices[i]+block_lengths[i]*static_cast(old_types[i]->size()) != indices[i+1]) ) - contiguous=false; - } - if (not contiguous) { - *new_type = new Type_Struct(size, lb,ub, DT_FLAG_DERIVED|DT_FLAG_DATA, - count, block_lengths, indices, old_types); - }else{ - Datatype::create_contiguous(size, MPI_CHAR, lb, new_type); - } - return MPI_SUCCESS; -} - -Datatype* Datatype::f2c(int id){ - return static_cast(F2C::f2c(id)); -} - - -} -} -