root / synthbench / skampi / measurements / coll.c
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/* SKaMPI MPI-Benchmark
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Copyright 2003-2008 Werner Augustin
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Lehrstuhl Informatik fuer Naturwissenschaftler und Ingenieure
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Fakultaet fuer Informatik
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University of Karlsruhe
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This program is free software; you can redistribute it and/or modify
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it under the terms of version 2 of the GNU General Public License as
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published by the Free Software Foundation
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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#include <stdlib.h> |
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#include <math.h> |
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#include <mpi.h> |
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#include <assert.h> |
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#include <unistd.h> |
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#include "../misc.h" |
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#include "../synchronize.h" |
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#pragma weak begin_skampi_extensions
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static MPI_Request *req_array;
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static MPI_Status *status_array;
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static MPI_Aint send_dt_extent, recv_dt_extent;
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static int *recv_counts; |
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static int *send_counts; |
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static int *recv_displs; |
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static int *send_displs; |
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static int *initialize_counts(int count) |
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{
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int i;
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int *counts;
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counts = (int*)malloc(get_measurement_size()*sizeof(int)); |
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assert( counts != NULL );
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for( i = 0; i < get_measurement_size(); i++) |
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counts[i] = count / get_measurement_size(); |
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for( i = 0; i < count % get_measurement_size(); i++) |
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counts[i*get_measurement_size() / (count % get_measurement_size())]++; |
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return counts;
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} |
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static int *initialize_displs(int *counts) |
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{
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int i;
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int *displs;
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displs = (int*)malloc(get_measurement_size()*sizeof(int)); |
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assert( displs != NULL );
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displs[0] = 0; |
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for( i = 1; i < get_measurement_size(); i++ ) |
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displs[i] = displs[i-1] + counts[i-1]; |
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return displs;
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} |
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static void initialize_req_array(int n) |
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{
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req_array = (MPI_Request*)malloc(n*sizeof(MPI_Request));
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assert( req_array != NULL );
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} |
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static void initialize_status_array(int n) |
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{
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status_array = (MPI_Status*)malloc(n*sizeof(MPI_Status));
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assert( status_array != NULL );
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} |
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/*---------------------------------------------------------------------------*/
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void init_Bcast(int count, MPI_Datatype dt, int root) |
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{
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set_send_buffer_usage(get_extent(count, dt)); |
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set_reported_message_size(get_extent(count, dt)); |
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set_recv_buffer_usage(0);
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init_synchronization(); |
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} |
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double measure_Bcast(int count, MPI_Datatype dt, int root) |
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{
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double start_time, end_time;
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start_time = start_synchronization(); |
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MPI_Bcast(get_send_buffer(), count, dt, root, get_measurement_comm()); |
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end_time = stop_synchronization(); |
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return end_time - start_time;
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} |
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/*---------------------------------------------------------------------------*/
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static MPI_Comm mycomm;
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static int myrank; |
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void init_Bcast_using_Send_Recv(int count, MPI_Datatype dt, int root) |
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{
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set_send_buffer_usage(get_extent(count, dt)); |
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set_reported_message_size(get_extent(count, dt)); |
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set_recv_buffer_usage(0);
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MPI_Comm_split(get_measurement_comm(), 0, (get_measurement_rank()+get_measurement_size()-root) % get_measurement_size(),
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&mycomm); |
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MPI_Comm_rank(mycomm, &myrank); |
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init_synchronization(); |
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} |
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double measure_Bcast_using_Send_Recv(int count, MPI_Datatype dt, int root) |
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{
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MPI_Status status; |
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double start_time, end_time;
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start_time = start_synchronization(); |
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if( myrank != 0 ) |
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MPI_Recv(get_send_buffer(), count, dt, (myrank-1)/2, 0, mycomm, &status); |
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if( 2*myrank+1 < get_measurement_size() ) |
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MPI_Send(get_send_buffer(), count, dt, 2*myrank+1, 0, mycomm); |
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if( 2*myrank+2 < get_measurement_size() ) |
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MPI_Send(get_send_buffer(), count, dt, 2*myrank+2, 0, mycomm); |
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end_time = stop_synchronization(); |
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return end_time - start_time;
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} |
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void finalize_Bcast_using_Send_Recv(int count, MPI_Datatype dt, int root) |
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{
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MPI_Comm_free(&mycomm); |
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} |
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/*---------------------------------------------------------------------------*/
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void init_Barrier(void) |
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{
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init_synchronization(); |
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} |
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double measure_Barrier(void) |
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{
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double start_time, end_time;
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start_time = start_synchronization(); |
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MPI_Barrier(get_measurement_comm()); |
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end_time = stop_synchronization(); |
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return end_time - start_time;
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} |
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/*---------------------------------------------------------------------------*/
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void init_Reduce(int count, MPI_Datatype dt, MPI_Op op, int root) |
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{
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MPI_Aint extent; |
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extent = get_extent(count, dt); |
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set_send_buffer_usage(extent); |
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set_reported_message_size(extent); |
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set_recv_buffer_usage(extent); |
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init_synchronization(); |
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} |
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double measure_Reduce(int count, MPI_Datatype dt, MPI_Op op, int root) |
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{
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double start_time, end_time;
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start_time = start_synchronization(); |
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MPI_Reduce(get_send_buffer(), get_recv_buffer(), count, dt, op, root, |
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get_measurement_comm()); |
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end_time = stop_synchronization(); |
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return end_time - start_time;
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} |
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/*---------------------------------------------------------------------------*/
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void init_Allreduce(int count, MPI_Datatype dt, MPI_Op op) |
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{
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MPI_Aint extent; |
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extent = get_extent(count, dt); |
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set_send_buffer_usage(extent); |
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set_reported_message_size(extent); |
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set_recv_buffer_usage(extent); |
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init_synchronization(); |
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} |
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double measure_Allreduce(int count, MPI_Datatype dt, MPI_Op op) |
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{
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double start_time, end_time;
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start_time = start_synchronization(); |
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MPI_Allreduce(get_send_buffer(), get_recv_buffer(), count, dt, op, |
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get_measurement_comm()); |
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end_time = stop_synchronization(); |
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return end_time - start_time;
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} |
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/*---------------------------------------------------------------------------*/
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void init_Allreduce_using_Reduce_Bcast(int count, MPI_Datatype dt, MPI_Op op, int root) |
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{
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MPI_Aint extent; |
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extent = get_extent(count, dt); |
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set_send_buffer_usage(extent); |
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set_reported_message_size(extent); |
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set_recv_buffer_usage(extent); |
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init_synchronization(); |
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} |
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double measure_Allreduce_using_Reduce_Bcast(int count, MPI_Datatype dt, MPI_Op op, int root) |
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{
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double start_time, end_time;
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start_time = start_synchronization(); |
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MPI_Reduce(get_send_buffer(), get_recv_buffer(), count, dt, op, root, |
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get_measurement_comm()); |
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MPI_Bcast(get_recv_buffer(), count, dt, root, get_measurement_comm()); |
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end_time = stop_synchronization(); |
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return end_time - start_time;
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} |
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/*---------------------------------------------------------------------------*/
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void init_Reduce_scatter(int count, MPI_Datatype dt, MPI_Op op, int root) |
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{
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recv_counts = initialize_counts(count); |
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set_send_buffer_usage(get_extent(count, dt)); |
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set_reported_message_size(get_extent(count, dt)); |
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set_recv_buffer_usage(get_extent(recv_counts[get_measurement_rank()], dt)); |
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init_synchronization(); |
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} |
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double measure_Reduce_scatter(int count, MPI_Datatype dt, MPI_Op op, int root) |
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{
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double start_time, end_time;
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start_time = start_synchronization(); |
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MPI_Reduce_scatter(get_send_buffer(), get_recv_buffer(), recv_counts, |
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dt, op, get_measurement_comm()); |
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end_time = stop_synchronization(); |
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return end_time - start_time;
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} |
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void finalize_Reduce_scatter(int count, MPI_Datatype dt, MPI_Op op, int root) |
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{
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free(recv_counts); |
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} |
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/*---------------------------------------------------------------------------*/
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void init_Alltoall(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt) |
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{
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set_send_buffer_usage(get_measurement_size()*get_extent(send_count, send_dt)); |
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set_recv_buffer_usage(get_measurement_size()*get_extent(recv_count, recv_dt)); |
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set_reported_message_size(get_extent(send_count, send_dt)); |
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init_synchronization(); |
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} |
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double measure_Alltoall(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt) |
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{
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double start_time, end_time;
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start_time = start_synchronization(); |
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MPI_Alltoall(get_send_buffer(), send_count, send_dt, |
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get_recv_buffer(), recv_count, recv_dt, get_measurement_comm()); |
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end_time = stop_synchronization(); |
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return end_time - start_time;
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} |
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/*---------------------------------------------------------------------------*/
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void init_Alltoall_using_Isend_Irecv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt) |
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{
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initialize_req_array(2*get_measurement_size());
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initialize_status_array(2*get_measurement_size());
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send_dt_extent = get_extent(1, send_dt);
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recv_dt_extent = get_extent(1, recv_dt);
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set_send_buffer_usage(get_measurement_size()*get_extent(send_count, send_dt)); |
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set_recv_buffer_usage(get_measurement_size()*get_extent(recv_count, recv_dt)); |
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set_reported_message_size(get_extent(send_count, send_dt)); |
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init_synchronization(); |
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} |
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double measure_Alltoall_using_Isend_Irecv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt) |
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{
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double start_time, end_time;
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int i;
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start_time = start_synchronization(); |
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for( i = 0; i < get_measurement_size(); i++) |
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MPI_Irecv((char*)get_recv_buffer() + i*recv_dt_extent, recv_count, recv_dt, i,
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0, get_measurement_comm(), &(req_array[i]));
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for( i = 0; i < get_measurement_size(); i++) |
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MPI_Isend((char*)get_send_buffer() + i*send_dt_extent, send_count, send_dt, i,
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0, get_measurement_comm(), &(req_array[i+get_measurement_size()]));
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MPI_Waitall(2*get_measurement_size(), req_array, status_array);
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end_time = stop_synchronization(); |
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return end_time - start_time;
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} |
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void finalize_Alltoall_using_Isend_Irecv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt) |
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{
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free(req_array); |
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free(status_array); |
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} |
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/*---------------------------------------------------------------------------*/
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void init_Gather(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt, int root) |
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{
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set_send_buffer_usage(get_extent(send_count, send_dt)); |
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set_reported_message_size(get_extent(send_count, send_dt)); |
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if( get_measurement_rank() == root )
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set_recv_buffer_usage(get_measurement_size()*get_extent(recv_count, recv_dt)); |
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else
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set_recv_buffer_usage(0);
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init_synchronization(); |
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} |
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double measure_Gather(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt, int root) |
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{
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double start_time, end_time;
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start_time = start_synchronization(); |
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MPI_Gather(get_send_buffer(), send_count, send_dt, |
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get_recv_buffer(), recv_count, recv_dt, |
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root, get_measurement_comm()); |
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end_time = stop_synchronization(); |
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return end_time - start_time;
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} |
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/*---------------------------------------------------------------------------*/
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void init_Gather_using_Send_Recv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt, int root) |
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{
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set_send_buffer_usage(get_extent(send_count, send_dt)); |
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set_reported_message_size(get_extent(send_count, send_dt)); |
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if( get_measurement_rank() == root )
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set_recv_buffer_usage(get_measurement_size()*get_extent(recv_count, recv_dt)); |
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else
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set_recv_buffer_usage(0);
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recv_dt_extent = get_extent(1, recv_dt);
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init_synchronization(); |
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} |
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double measure_Gather_using_Send_Recv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt, int root) |
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{
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MPI_Status status; |
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double start_time, end_time;
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int i;
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if( get_measurement_rank() == root ) {
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start_time = start_synchronization(); |
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for( i = 0; i < get_measurement_size(); i++) |
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if( i != root )
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MPI_Recv((char*)get_recv_buffer() + i*recv_count*recv_dt_extent, recv_count,
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recv_dt, i, 0, get_measurement_comm(), &status);
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end_time = stop_synchronization(); |
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return end_time - start_time;
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} else {
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start_time = start_synchronization(); |
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MPI_Send(get_send_buffer(), send_count, send_dt, root, 0, get_measurement_comm());
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end_time = stop_synchronization(); |
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return end_time - start_time;
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} |
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} |
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/*---------------------------------------------------------------------------*/
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void init_Gather_using_Isend_Irecv_Waitall(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt, int root) |
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{
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set_send_buffer_usage(get_extent(send_count, send_dt)); |
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set_reported_message_size(get_extent(send_count, send_dt)); |
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if( get_measurement_rank() == root ) {
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set_recv_buffer_usage(get_measurement_size()*get_extent(recv_count, recv_dt)); |
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initialize_req_array(get_measurement_size()); |
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initialize_status_array(get_measurement_size()); |
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} else
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set_recv_buffer_usage(0);
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recv_dt_extent = get_extent(1, recv_dt);
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init_synchronization(); |
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} |
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double measure_Gather_using_Isend_Irecv_Waitall(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt, int root) |
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{
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MPI_Request req; |
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MPI_Status status; |
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double start_time, end_time;
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int i;
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if( get_measurement_rank() == root ) {
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start_time = start_synchronization(); |
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for( i = 0; i < get_measurement_size(); i++) |
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if( i != root )
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MPI_Irecv((char*)get_recv_buffer() + i*recv_count*recv_dt_extent, recv_count,
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recv_dt, i, 0, get_measurement_comm(), &req_array[i]);
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req_array[root] = MPI_REQUEST_NULL; |
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MPI_Waitall(get_measurement_size(), req_array, status_array); |
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end_time = stop_synchronization(); |
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} else {
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start_time = start_synchronization(); |
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MPI_Isend(get_send_buffer(), send_count, send_dt, root, 0, get_measurement_comm(),
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&req); |
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end_time = stop_synchronization(); |
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MPI_Wait(&req, &status); |
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} |
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return end_time - start_time;
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} |
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void finalize_Gather_using_Isend_Irecv_Waitall(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt, int root) |
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{
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if( get_measurement_rank() == root ) {
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free(req_array); |
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free(status_array); |
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} |
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} |
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/*---------------------------------------------------------------------------*/
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void init_Allgather(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt) |
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{
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set_send_buffer_usage(get_extent(send_count, send_dt)); |
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set_reported_message_size(get_extent(send_count, send_dt)); |
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set_recv_buffer_usage(get_measurement_size()*get_extent(recv_count, recv_dt)); |
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init_synchronization(); |
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} |
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double measure_Allgather(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt) |
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{
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double start_time, end_time;
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| 448 |
start_time = start_synchronization(); |
| 449 |
MPI_Allgather(get_send_buffer(), send_count, send_dt, |
| 450 |
get_recv_buffer(), recv_count, recv_dt, get_measurement_comm()); |
| 451 |
end_time = stop_synchronization(); |
| 452 |
return end_time - start_time;
|
| 453 |
} |
| 454 |
|
| 455 |
/*---------------------------------------------------------------------------*/
|
| 456 |
|
| 457 |
void init_Scatter(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt, int root) |
| 458 |
{
|
| 459 |
if( get_measurement_rank() == root )
|
| 460 |
set_send_buffer_usage(get_measurement_size()*get_extent(send_count, send_dt)); |
| 461 |
else
|
| 462 |
set_send_buffer_usage(0);
|
| 463 |
set_recv_buffer_usage(get_extent(recv_count, recv_dt)); |
| 464 |
set_reported_message_size(get_extent(recv_count, recv_dt)); |
| 465 |
init_synchronization(); |
| 466 |
} |
| 467 |
|
| 468 |
double measure_Scatter(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt, int root) |
| 469 |
{
|
| 470 |
double start_time, end_time;
|
| 471 |
|
| 472 |
start_time = start_synchronization(); |
| 473 |
MPI_Scatter(get_send_buffer(), send_count, send_dt, |
| 474 |
get_recv_buffer(), recv_count, recv_dt, |
| 475 |
root, get_measurement_comm()); |
| 476 |
end_time = stop_synchronization(); |
| 477 |
return end_time - start_time;
|
| 478 |
} |
| 479 |
|
| 480 |
/*---------------------------------------------------------------------------*/
|
| 481 |
|
| 482 |
void init_Reduce_Scatterv(int count, MPI_Datatype dt, MPI_Op op, int root) |
| 483 |
{
|
| 484 |
MPI_Aint extent; |
| 485 |
|
| 486 |
send_counts = initialize_counts(count); |
| 487 |
send_displs = initialize_displs(send_counts); |
| 488 |
|
| 489 |
extent = get_extent(count, dt); |
| 490 |
set_send_buffer_usage(extent); |
| 491 |
set_reported_message_size(extent); |
| 492 |
if( get_measurement_rank() == root )
|
| 493 |
set_recv_buffer_usage(extent); |
| 494 |
else
|
| 495 |
set_recv_buffer_usage(0);
|
| 496 |
init_synchronization(); |
| 497 |
} |
| 498 |
|
| 499 |
double measure_Reduce_Scatterv(int count, MPI_Datatype dt, MPI_Op op, int root) |
| 500 |
{
|
| 501 |
double start_time, end_time;
|
| 502 |
|
| 503 |
start_time = start_synchronization(); |
| 504 |
MPI_Reduce(get_send_buffer(), get_recv_buffer(), count, dt, op, root, |
| 505 |
get_measurement_comm()); |
| 506 |
MPI_Scatterv(get_recv_buffer(), send_counts, send_displs, dt, |
| 507 |
get_send_buffer(), send_counts[get_measurement_rank()], dt, |
| 508 |
root, get_measurement_comm()); |
| 509 |
end_time = stop_synchronization(); |
| 510 |
return end_time - start_time;
|
| 511 |
} |
| 512 |
|
| 513 |
void finalize_Reduce_Scatterv(int count, MPI_Datatype dt, MPI_Op op, int root) |
| 514 |
{
|
| 515 |
free(send_counts); |
| 516 |
free(send_displs); |
| 517 |
} |
| 518 |
|
| 519 |
/*---------------------------------------------------------------------------*/
|
| 520 |
|
| 521 |
void init_Alltoallv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt) |
| 522 |
{
|
| 523 |
send_counts = initialize_counts(send_count*get_measurement_size()); |
| 524 |
send_displs = initialize_displs(send_counts); |
| 525 |
recv_counts = initialize_counts(recv_count*get_measurement_size()); |
| 526 |
recv_displs = initialize_displs(recv_counts); |
| 527 |
|
| 528 |
set_send_buffer_usage(get_measurement_size()*get_extent(send_count, send_dt)); |
| 529 |
set_recv_buffer_usage(get_measurement_size()*get_extent(recv_count, recv_dt)); |
| 530 |
set_reported_message_size(get_extent(send_count, send_dt)); |
| 531 |
init_synchronization(); |
| 532 |
} |
| 533 |
|
| 534 |
double measure_Alltoallv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt) |
| 535 |
{
|
| 536 |
double start_time, end_time;
|
| 537 |
|
| 538 |
start_time = start_synchronization(); |
| 539 |
MPI_Alltoallv(get_send_buffer(), send_counts, send_displs, send_dt, |
| 540 |
get_recv_buffer(), recv_counts, recv_displs, recv_dt, |
| 541 |
get_measurement_comm()); |
| 542 |
end_time = stop_synchronization(); |
| 543 |
return end_time - start_time;
|
| 544 |
} |
| 545 |
|
| 546 |
void finalize_Alltoallv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt) |
| 547 |
{
|
| 548 |
free(send_counts); |
| 549 |
free(send_displs); |
| 550 |
free(recv_counts); |
| 551 |
free(recv_displs); |
| 552 |
} |
| 553 |
|
| 554 |
/*---------------------------------------------------------------------------*/
|
| 555 |
|
| 556 |
void init_Alltoallv_using_Isend_Irecv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt) |
| 557 |
{
|
| 558 |
send_counts = initialize_counts(send_count*get_measurement_size()); |
| 559 |
send_displs = initialize_displs(send_counts); |
| 560 |
recv_counts = initialize_counts(recv_count*get_measurement_size()); |
| 561 |
recv_displs = initialize_displs(recv_counts); |
| 562 |
|
| 563 |
initialize_req_array(2*get_measurement_size());
|
| 564 |
initialize_status_array(2*get_measurement_size());
|
| 565 |
|
| 566 |
send_dt_extent = get_extent(1, send_dt);
|
| 567 |
recv_dt_extent = get_extent(1, recv_dt);
|
| 568 |
|
| 569 |
set_send_buffer_usage(get_measurement_size()*get_extent(send_count, send_dt)); |
| 570 |
set_recv_buffer_usage(get_measurement_size()*get_extent(recv_count, recv_dt)); |
| 571 |
set_reported_message_size(get_extent(send_count, send_dt)); |
| 572 |
init_synchronization(); |
| 573 |
} |
| 574 |
|
| 575 |
double measure_Alltoallv_using_Isend_Irecv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt) |
| 576 |
{
|
| 577 |
double start_time, end_time;
|
| 578 |
int i;
|
| 579 |
|
| 580 |
start_time = start_synchronization(); |
| 581 |
for( i = 0; i < get_measurement_size(); i++) |
| 582 |
MPI_Irecv((char*)get_recv_buffer() + recv_displs[i]*recv_dt_extent, recv_count,
|
| 583 |
recv_dt, i, 0, get_measurement_comm(), &(req_array[i]));
|
| 584 |
|
| 585 |
for( i = 0; i < get_measurement_size(); i++) |
| 586 |
MPI_Isend((char*)get_send_buffer() + send_displs[i]*send_dt_extent, send_count,
|
| 587 |
send_dt, i, 0, get_measurement_comm(), &(req_array[i+get_measurement_size()]));
|
| 588 |
|
| 589 |
MPI_Waitall(2*get_measurement_size(), req_array, status_array);
|
| 590 |
end_time = stop_synchronization(); |
| 591 |
return end_time - start_time;
|
| 592 |
} |
| 593 |
|
| 594 |
void finalize_Alltoallv_using_Isend_Irecv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt) |
| 595 |
{
|
| 596 |
free(send_counts); |
| 597 |
free(send_displs); |
| 598 |
free(recv_counts); |
| 599 |
free(recv_displs); |
| 600 |
free(req_array); |
| 601 |
free(status_array); |
| 602 |
} |
| 603 |
|
| 604 |
/*---------------------------------------------------------------------------*/
|
| 605 |
|
| 606 |
void init_Gatherv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt, int root) |
| 607 |
{
|
| 608 |
recv_counts = initialize_counts(recv_count*get_measurement_size()); |
| 609 |
recv_displs = initialize_displs(recv_counts); |
| 610 |
|
| 611 |
set_send_buffer_usage(get_extent(send_count, send_dt)); |
| 612 |
set_reported_message_size(get_extent(send_count, send_dt)); |
| 613 |
if( get_measurement_rank() == root )
|
| 614 |
set_recv_buffer_usage(get_measurement_size()*get_extent(recv_count, recv_dt)); |
| 615 |
else
|
| 616 |
set_recv_buffer_usage(0);
|
| 617 |
init_synchronization(); |
| 618 |
} |
| 619 |
|
| 620 |
double measure_Gatherv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt, int root) |
| 621 |
{
|
| 622 |
double start_time, end_time;
|
| 623 |
|
| 624 |
start_time = start_synchronization(); |
| 625 |
MPI_Gatherv(get_send_buffer(), send_count, send_dt, |
| 626 |
get_recv_buffer(), recv_counts, recv_displs, recv_dt, |
| 627 |
root, get_measurement_comm()); |
| 628 |
end_time = stop_synchronization(); |
| 629 |
return end_time - start_time;
|
| 630 |
} |
| 631 |
|
| 632 |
void finalize_Gatherv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt, int root) |
| 633 |
{
|
| 634 |
free(recv_counts); |
| 635 |
free(recv_displs); |
| 636 |
} |
| 637 |
|
| 638 |
/*---------------------------------------------------------------------------*/
|
| 639 |
|
| 640 |
void init_Allgatherv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt) |
| 641 |
{
|
| 642 |
recv_counts = initialize_counts(recv_count*get_measurement_size()); |
| 643 |
recv_displs = initialize_displs(recv_counts); |
| 644 |
|
| 645 |
set_send_buffer_usage(get_extent(send_count, send_dt)); |
| 646 |
set_reported_message_size(get_extent(send_count, send_dt)); |
| 647 |
set_recv_buffer_usage(get_measurement_size()*get_extent(recv_count, recv_dt)); |
| 648 |
init_synchronization(); |
| 649 |
} |
| 650 |
|
| 651 |
double measure_Allgatherv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt) |
| 652 |
{
|
| 653 |
double start_time, end_time;
|
| 654 |
|
| 655 |
start_time = start_synchronization(); |
| 656 |
MPI_Allgatherv(get_send_buffer(), send_count, send_dt, |
| 657 |
get_recv_buffer(), recv_counts, recv_displs, recv_dt, |
| 658 |
get_measurement_comm()); |
| 659 |
end_time = stop_synchronization(); |
| 660 |
return end_time - start_time;
|
| 661 |
} |
| 662 |
|
| 663 |
void finalize_Allgatherv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt) |
| 664 |
{
|
| 665 |
free(recv_counts); |
| 666 |
free(recv_displs); |
| 667 |
} |
| 668 |
|
| 669 |
/*---------------------------------------------------------------------------*/
|
| 670 |
|
| 671 |
void init_Scatterv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt, int root) |
| 672 |
{
|
| 673 |
send_counts = initialize_counts(send_count*get_measurement_size()); |
| 674 |
send_displs = initialize_displs(send_counts); |
| 675 |
|
| 676 |
if( get_measurement_rank() == root )
|
| 677 |
set_send_buffer_usage(get_measurement_size()*get_extent(send_count, send_dt)); |
| 678 |
else
|
| 679 |
set_send_buffer_usage(0);
|
| 680 |
set_recv_buffer_usage(get_extent(recv_count, recv_dt)); |
| 681 |
set_reported_message_size(get_extent(recv_count, recv_dt)); |
| 682 |
init_synchronization(); |
| 683 |
} |
| 684 |
|
| 685 |
double measure_Scatterv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt, int root) |
| 686 |
{
|
| 687 |
double start_time, end_time;
|
| 688 |
|
| 689 |
start_time = start_synchronization(); |
| 690 |
MPI_Scatterv(get_send_buffer(), send_counts, send_displs, send_dt, |
| 691 |
get_recv_buffer(), recv_count, recv_dt, root, get_measurement_comm()); |
| 692 |
end_time = stop_synchronization(); |
| 693 |
return end_time - start_time;
|
| 694 |
} |
| 695 |
|
| 696 |
void finalize_Scatterv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt, int root) |
| 697 |
{
|
| 698 |
free(send_counts); |
| 699 |
free(send_displs); |
| 700 |
} |
| 701 |
|
| 702 |
/*---------------------------------------------------------------------------*/
|
| 703 |
|
| 704 |
void init_Scan(int count, MPI_Datatype dt, MPI_Op op) |
| 705 |
{
|
| 706 |
MPI_Aint extent; |
| 707 |
|
| 708 |
extent = get_extent(count, dt); |
| 709 |
set_send_buffer_usage(extent); |
| 710 |
set_reported_message_size(extent); |
| 711 |
set_recv_buffer_usage(extent); |
| 712 |
init_synchronization(); |
| 713 |
} |
| 714 |
|
| 715 |
double measure_Scan(int count, MPI_Datatype dt, MPI_Op op) |
| 716 |
{
|
| 717 |
double start_time, end_time;
|
| 718 |
|
| 719 |
start_time = start_synchronization(); |
| 720 |
MPI_Scan(get_send_buffer(), get_recv_buffer(), count, dt, op, get_measurement_comm()); |
| 721 |
end_time = stop_synchronization(); |
| 722 |
return end_time - start_time;
|
| 723 |
} |
| 724 |
|
| 725 |
/*---------------------------------------------------------------------------*/
|
| 726 |
|
| 727 |
void init_Comm_split(void) |
| 728 |
{
|
| 729 |
init_synchronization(); |
| 730 |
} |
| 731 |
|
| 732 |
double measure_Comm_split(void) |
| 733 |
{
|
| 734 |
double start_time, end_time;
|
| 735 |
MPI_Comm new_comm; |
| 736 |
|
| 737 |
start_time = start_synchronization(); |
| 738 |
MPI_Comm_split(get_measurement_comm(), get_measurement_rank() % 2, 0, &new_comm); |
| 739 |
end_time = stop_synchronization(); |
| 740 |
MPI_Comm_free(&new_comm); |
| 741 |
return end_time - start_time;
|
| 742 |
} |
| 743 |
|
| 744 |
/*---------------------------------------------------------------------------*/
|
| 745 |
|
| 746 |
void init_Comm_dup(void) |
| 747 |
{
|
| 748 |
init_synchronization(); |
| 749 |
} |
| 750 |
|
| 751 |
double measure_Comm_dup(void) |
| 752 |
{
|
| 753 |
double start_time, end_time;
|
| 754 |
MPI_Comm new_comm; |
| 755 |
|
| 756 |
start_time = start_synchronization(); |
| 757 |
MPI_Comm_dup(get_measurement_comm(), &new_comm); |
| 758 |
end_time = stop_synchronization(); |
| 759 |
MPI_Comm_free(&new_comm); |
| 760 |
return end_time - start_time;
|
| 761 |
} |
| 762 |
|
| 763 |
/*---------------------------------------------------------------------------*/
|
| 764 |
|
| 765 |
|
| 766 |
int *init_send_counts(int count, int charged_rank, double ratio) |
| 767 |
{
|
| 768 |
int i;
|
| 769 |
int *counts;
|
| 770 |
|
| 771 |
counts = (int*)malloc(get_measurement_size()*sizeof(int)); |
| 772 |
assert( counts != NULL );
|
| 773 |
|
| 774 |
for( i = 0; i < get_measurement_size(); i++){ |
| 775 |
if( i == charged_rank ){
|
| 776 |
counts[i] = (int)(count * ratio) / get_measurement_size();
|
| 777 |
} |
| 778 |
else{
|
| 779 |
counts[i] = (int)(count / ratio) / get_measurement_size();
|
| 780 |
} |
| 781 |
} |
| 782 |
|
| 783 |
for( i = 0; i < count % get_measurement_size(); i++) |
| 784 |
counts[i*get_measurement_size() / (count % get_measurement_size())]++; |
| 785 |
|
| 786 |
return counts;
|
| 787 |
} |
| 788 |
|
| 789 |
int *init_recv_counts(int count, int charged_rank, double ratio) |
| 790 |
{
|
| 791 |
int i;
|
| 792 |
int *counts;
|
| 793 |
|
| 794 |
counts = (int*)malloc(get_measurement_size()*sizeof(int)); |
| 795 |
assert( counts != NULL );
|
| 796 |
|
| 797 |
if( get_measurement_rank() == charged_rank ){
|
| 798 |
for( i = 0; i < get_measurement_size(); i++){ |
| 799 |
counts[i] = (int)(count * ratio) / get_measurement_size();
|
| 800 |
} |
| 801 |
} |
| 802 |
else{
|
| 803 |
for( i = 0; i < get_measurement_size(); i++){ |
| 804 |
counts[i] = (int)(count / ratio) / get_measurement_size();
|
| 805 |
} |
| 806 |
} |
| 807 |
|
| 808 |
if( count % get_measurement_size() &&
|
| 809 |
(get_measurement_rank() % (get_measurement_size() / (count % get_measurement_size())) == 0) ){
|
| 810 |
for( i = 0; i < get_measurement_size(); i++){ |
| 811 |
counts[i]++; |
| 812 |
} |
| 813 |
} |
| 814 |
return counts;
|
| 815 |
} |
| 816 |
|
| 817 |
void init_myalltoallv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt, int charged_rank, double ratio) |
| 818 |
{
|
| 819 |
int p;
|
| 820 |
int send_buffer_usage, recv_buffer_usage;
|
| 821 |
|
| 822 |
|
| 823 |
send_counts = init_send_counts(send_count*get_measurement_size(), charged_rank, ratio); |
| 824 |
send_displs = initialize_displs(send_counts); |
| 825 |
recv_counts = init_recv_counts(recv_count*get_measurement_size(), charged_rank, ratio); |
| 826 |
recv_displs = initialize_displs(recv_counts); |
| 827 |
|
| 828 |
send_buffer_usage = 0;
|
| 829 |
recv_buffer_usage = 0;
|
| 830 |
for(p = 0; p < get_measurement_size(); p++) { |
| 831 |
send_buffer_usage += get_extent(send_counts[p], send_dt); |
| 832 |
recv_buffer_usage += get_extent(recv_counts[p], recv_dt); |
| 833 |
} |
| 834 |
set_send_buffer_usage(send_buffer_usage); |
| 835 |
set_recv_buffer_usage(recv_buffer_usage); |
| 836 |
set_reported_message_size(send_buffer_usage); |
| 837 |
|
| 838 |
init_synchronization(); |
| 839 |
} |
| 840 |
|
| 841 |
double measure_myalltoallv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt, int charged_rank, double ratio) |
| 842 |
{
|
| 843 |
double start_time, end_time;
|
| 844 |
|
| 845 |
start_time = start_synchronization(); |
| 846 |
MPI_Alltoallv(get_send_buffer(), send_counts, send_displs, send_dt, |
| 847 |
get_recv_buffer(), recv_counts, recv_displs, recv_dt, |
| 848 |
get_measurement_comm()); |
| 849 |
end_time = stop_synchronization(); |
| 850 |
return end_time - start_time;
|
| 851 |
} |
| 852 |
|
| 853 |
void finalize_myalltoallv(int send_count, MPI_Datatype send_dt, int recv_count, MPI_Datatype recv_dt, int charged_rank, double ratio) |
| 854 |
{
|
| 855 |
free(send_counts); |
| 856 |
free(send_displs); |
| 857 |
free(recv_counts); |
| 858 |
free(recv_displs); |
| 859 |
} |
| 860 |
|
| 861 |
#pragma weak end_skampi_extensions
|
| 862 |
|