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EXCEPT AS EXPRESSLY SET FORTH IN THIS AGREEMENT, NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. EXPORT LAWS: THIS LICENSE ADDS NO RESTRICTIONS TO THE EXPORT LAWS OF YOUR JURISDICTION. It is licensee's responsibility to comply with any export regulations applicable in licensee's jurisdiction. Under CURRENT U.S. export regulations this software is eligible for export from the U.S. and can be downloaded by or otherwise exported or reexported worldwide EXCEPT to U.S. embargoed destinations which include Cuba, Iraq, Libya, North Korea, Iran, Syria, Sudan, Afghanistan and any other country to which the U.S. has embargoed goods and services. *************************************************************************** For more documentation than found here, see [1] doc/ReadMe_IMB.txt [2] Intel (R) MPI Benchmarks Users Guide and Methodology Description In doc/IMB_ug.pdf File: IMB_write.c Implemented functions: IMB_write_shared; IMB_write_indv; IMB_write_expl; IMB_write_ij; IMB_iwrite_ij; ***************************************************************************/ #include "IMB_declare.h" #include "IMB_benchmark.h" #include "IMB_prototypes.h" /*************************************************************************/ void IMB_write_shared(struct comm_info* c_info, int size, int n_sample, MODES RUN_MODE, double* time) /* MPI-IO benchmark kernel Driver for write benchmarks with shared file pointers Input variables: -c_info (type struct comm_info*) Collection of all base data for MPI; see [1] for more information -size (type int) Basic message size in bytes -n_sample (type int) Number of repetitions (for timing accuracy) -RUN_MODE (type MODES) Mode (aggregate/non aggregate; blocking/nonblocking); see "IMB_benchmark.h" for definition Output variables: -time (type double*) Timing result per sample */ { if( RUN_MODE->AGGREGATE ) IMB_write_ij(c_info, size, shared, RUN_MODE->type, 1, n_sample, 1, time); else IMB_write_ij(c_info, size, shared, RUN_MODE->type, n_sample, 1, 0, time); if( RUN_MODE->NONBLOCKING ) { MPI_File_close(&c_info->fh); IMB_open_file(c_info); if( RUN_MODE->AGGREGATE ) IMB_iwrite_ij(c_info, size, shared, RUN_MODE->type, 1, n_sample, 1, 1, time+1); else IMB_iwrite_ij(c_info, size, shared, RUN_MODE->type, n_sample, 1, 0, 1, time+1); } } /*************************************************************************/ void IMB_write_indv(struct comm_info* c_info, int size, int n_sample, MODES RUN_MODE, double* time) /* MPI-IO benchmark kernel Driver for write benchmarks with individual file pointers Input variables: -c_info (type struct comm_info*) Collection of all base data for MPI; see [1] for more information -size (type int) Basic message size in bytes -n_sample (type int) Number of repetitions (for timing accuracy) -RUN_MODE (type MODES) Mode (aggregate/non aggregate; blocking/nonblocking); see "IMB_benchmark.h" for definition Output variables: -time (type double*) Timing result per sample */ { if( RUN_MODE->AGGREGATE ) IMB_write_ij(c_info, size, indv_block, RUN_MODE->type, 1, n_sample, 1, time); else IMB_write_ij(c_info, size, indv_block, RUN_MODE->type, n_sample, 1, 0, time); if( RUN_MODE->NONBLOCKING ) { MPI_File_close(&c_info->fh); IMB_open_file(c_info); if( RUN_MODE->AGGREGATE ) IMB_iwrite_ij(c_info, size, indv_block, RUN_MODE->type, 1, n_sample, 1, 1, time+1); else IMB_iwrite_ij(c_info, size, indv_block, RUN_MODE->type, n_sample, 1, 0, 1, time+1); } } /*************************************************************************/ void IMB_write_expl(struct comm_info* c_info, int size, int n_sample, MODES RUN_MODE, double* time) /* MPI-IO benchmark kernel Driver for write benchmarks with explicit offsets Input variables: -c_info (type struct comm_info*) Collection of all base data for MPI; see [1] for more information -size (type int) Basic message size in bytes -n_sample (type int) Number of repetitions (for timing accuracy) -RUN_MODE (type MODES) Mode (aggregate/non aggregate; blocking/nonblocking); see "IMB_benchmark.h" for definition Output variables: -time (type double*) Timing result per sample */ { if( RUN_MODE->AGGREGATE ) IMB_write_ij(c_info, size, explicit, RUN_MODE->type, 1, n_sample, 1, time); else IMB_write_ij(c_info, size, explicit, RUN_MODE->type, n_sample, 1, 0, time); if( RUN_MODE->NONBLOCKING ) { MPI_File_close(&c_info->fh); IMB_open_file(c_info); if( RUN_MODE->AGGREGATE ) IMB_iwrite_ij(c_info, size, explicit, RUN_MODE->type, 1, n_sample, 1, 1, time+1); else IMB_iwrite_ij(c_info, size, explicit, RUN_MODE->type, n_sample, 1, 0, 1, time+1); } } void IMB_write_ij(struct comm_info* c_info, int size, POSITIONING pos, BTYPES type, int i_sample, int j_sample, int time_inner, double* time) /* Calls the proper write functions, blocking case (See IMB_read_ij for documentation of calling sequence) */ { int i, j; int Locsize,Totalsize,Ioffs; MPI_Status stat; MPI_Offset Offset; ierr = 0; *time=0.; if( c_info->File_rank >= 0 ) { int (* GEN_File_write)(MPI_File fh, void* buf, int count, MPI_Datatype datatype, MPI_Status *status); int (* GEN_File_write_shared) (MPI_File fh, void* buf, int count, MPI_Datatype datatype, MPI_Status *status); int (* GEN_File_write_at) (MPI_File fh, MPI_Offset offset, void* buf, int count, MPI_Datatype datatype, MPI_Status *status); #ifdef CHECK int chk_mode; if( pos == shared && type != Collective) chk_mode = -3; else chk_mode = -2; defect = 0.; #endif if (type == Collective ) { GEN_File_write = MPI_File_write_all; GEN_File_write_shared = MPI_File_write_ordered; GEN_File_write_at = MPI_File_write_at_all; #ifdef DEBUG fprintf(unit,"Collective output\n"); #endif } else { GEN_File_write = MPI_File_write; GEN_File_write_shared = MPI_File_write_shared; GEN_File_write_at = MPI_File_write_at; #ifdef DEBUG fprintf(unit,"Non collective output\n"); #endif } Locsize = c_info->split.Locsize; Totalsize = c_info->split.Totalsize; Offset = (MPI_Offset)c_info->split.Offset; /* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! BLOCKING COLLECTIVE/NON COLLECTIVE OUTPUT CASES COMBINED (function pointer GEN_File_write_XXX either standard or collective MPI_File_write_XXX !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */ for(i=0; iFile_comm); if( !time_inner ) *time = MPI_Wtime(); for( i=0; ifh,c_info->s_buffer,Locsize,c_info->etype,&stat); MPI_ERRHAND(ierr); DIAGNOSTICS("Write standard ",c_info,c_info->s_buffer,Locsize,Totalsize,i+j,pos); } else if ( pos == explicit ) for ( j=0; jsplit.Offset+(MPI_Offset)((i+j)*Totalsize); ierr=GEN_File_write_at (c_info->fh, Offset, c_info->s_buffer,Locsize,c_info->etype,&stat); MPI_ERRHAND(ierr); DIAGNOSTICS("Write explicit ",c_info,c_info->s_buffer,Locsize,Totalsize,i+j,pos); } else if ( pos == shared ) for ( j=0; jfh,c_info->s_buffer,Locsize,c_info->etype,&stat); MPI_ERRHAND(ierr); DIAGNOSTICS("Write shared ",c_info,c_info->s_buffer,Locsize,Totalsize,i+j,pos); } MPI_File_sync(c_info->fh); if( time_inner ) *time = (MPI_Wtime() - *time)/(i_sample*j_sample); CHK_DIFF("Write_xxx",c_info, c_info->r_buffer, 0, Locsize, Totalsize, asize, put, pos, j_sample, time_inner ? -1 : i, chk_mode, &defect); CHK_STOP; } if( !time_inner ) *time = (MPI_Wtime() - *time)/(i_sample*j_sample); } /* end if (File_comm ) */ } void IMB_iwrite_ij(struct comm_info* c_info, int size, POSITIONING pos, BTYPES type, int i_sample, int j_sample, int time_inner, int do_ovrlp, double* time) /* Calls the proper write functions, non blocking case (See IMB_read_ij for documentation of calling sequence) */ { int i, j; int Locsize,Totalsize,Ioffs; MPI_Offset Offset; MPI_Status* STAT, stat; MPI_Request* REQUESTS; ierr = 0; *time=0; if( c_info->File_rank >= 0 ) { #ifdef CHECK int chk_mode; if( pos == shared && type != Collective) chk_mode = -3; else chk_mode = -2; defect = 0.; #endif Locsize = c_info->split.Locsize; Totalsize = c_info->split.Totalsize; Offset = (MPI_Offset)c_info->split.Offset; if(type == Collective ) /* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! NON BLOCKING COLLECTIVE OUTPUT CASES !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */ { for(i=0; iFile_comm); *time = MPI_Wtime(); if( pos == indv_block ) for ( j=0; jfh,c_info->s_buffer,Locsize,c_info->etype); MPI_ERRHAND(ierr); DIAGNOSTICS("IWrite coll. ",c_info,c_info->s_buffer,Locsize,Totalsize,j,pos); if( do_ovrlp ) IMB_cpu_exploit(TARGET_CPU_SECS,0); ierr=MPI_File_write_all_end (c_info->fh,c_info->s_buffer,&stat); MPI_ERRHAND(ierr); } else if ( pos == explicit ) for ( j=0; jsplit.Offset+(MPI_Offset)(j*Totalsize); ierr=MPI_File_write_at_all_begin (c_info->fh,Offset,c_info->s_buffer,Locsize,c_info->etype); MPI_ERRHAND(ierr); DIAGNOSTICS("IWrite expl coll. ",c_info,c_info->s_buffer,Locsize,Totalsize,j,pos); if( do_ovrlp ) IMB_cpu_exploit(TARGET_CPU_SECS,0); ierr=MPI_File_write_at_all_end (c_info->fh,c_info->s_buffer,&stat); MPI_ERRHAND(ierr); } else if ( pos == shared ) for ( j=0; jfh,c_info->s_buffer,Locsize,c_info->etype); MPI_ERRHAND(ierr); DIAGNOSTICS("IWrite shared coll. ",c_info,c_info->s_buffer,Locsize,Totalsize,j,pos); if( do_ovrlp ) IMB_cpu_exploit(TARGET_CPU_SECS,0); ierr=MPI_File_write_ordered_end (c_info->fh,c_info->s_buffer,&stat); MPI_ERRHAND(ierr); } MPI_File_sync(c_info->fh); *time = (MPI_Wtime() - *time)/(i_sample*j_sample); CHK_DIFF("Coll. IWrite_xxx",c_info, c_info->r_buffer, 0, Locsize, Totalsize, asize, put, pos, i_sample*j_sample, -1, chk_mode, &defect); CHK_STOP; } else /* type non Collective */ /* !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! NON BLOCKING NON COLLECTIVE OUTPUT CASES !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! */ { REQUESTS = (MPI_Request*)IMB_v_alloc(j_sample*sizeof(MPI_Request), "IWrite_ij"); STAT = (MPI_Status *)IMB_v_alloc(j_sample*sizeof(MPI_Status ), "IWrite_ij"); for( j=0; jFile_comm); if( !time_inner ) *time = MPI_Wtime(); for( i=0; ifh,c_info->s_buffer,Locsize,c_info->etype,&REQUESTS[j]); MPI_ERRHAND(ierr); DIAGNOSTICS("IWrite standard ",c_info,c_info->s_buffer,Locsize,Totalsize,i+j,pos); } else if ( pos == explicit ) for ( j=0; jsplit.Offset+(MPI_Offset)((i+j)*Totalsize); ierr=MPI_File_iwrite_at (c_info->fh,Offset,c_info->s_buffer,Locsize,c_info->etype,&REQUESTS[j]); MPI_ERRHAND(ierr); DIAGNOSTICS("IWrite expl ",c_info,c_info->s_buffer,Locsize,Totalsize,i+j,pos); } else if ( pos == shared ) for ( j=0; jfh,c_info->s_buffer,Locsize,c_info->etype,&REQUESTS[j]); MPI_ERRHAND(ierr); DIAGNOSTICS("IWrite shared ",c_info,c_info->s_buffer,Locsize,Totalsize,i+j,pos); } if( do_ovrlp ) for ( j=0; jfh); if( time_inner ) *time = (MPI_Wtime() - *time)/(i_sample*j_sample); CHK_DIFF("IWrite_xxx",c_info, c_info->r_buffer, 0, Locsize, Totalsize, asize, put, pos, j_sample, time_inner ? -1 : i, chk_mode, &defect); CHK_STOP; } if( !time_inner ) *time = (MPI_Wtime() - *time)/(i_sample*j_sample); free (REQUESTS); free (STAT); } } /* end if (File_comm ) */ }