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Commit 3f8a4cfe authored by Pedro Gonnet's avatar Pedro Gonnet
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call engine_prepare before each step. 


Former-commit-id: db6de0b4654111f68fb0fd87a88858c671edbefe
parent d40765a6
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examples/Makefile.am
View file @ 3f8a4cfe
# This file is part of GadgetSMP.
# Coypright (c) 2012 pedro.gonnet@durham.ac.uk.
# Coypright (c) 2012 Pedro Gonnet (pedro.gonnet@durham.ac.uk),
# Matthieu Schaller (matthieu.schaller@durham.ac.uk).
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
......@@ -21,7 +22,7 @@ AUTOMAKE_OPTIONS=gnu
# Add the source directory and debug to CFLAGS
AM_CFLAGS = -g -Wall -Werror -I../src $(OPENMP_CFLAGS) -DCPU_TPS=2.67e9
AM_LDFLAGS = $(HDF5_LDFLAGS)
AM_LDFLAGS =
# Set-up the library
bin_PROGRAMS = test
......@@ -29,5 +30,5 @@ bin_PROGRAMS = test
# Sources for test
test_SOURCES = test.c
test_CFLAGS = -DCOUNTER -DTIMER $(AM_CFLAGS)
test_LDADD = ../src/.libs/libgadgetsmp.a
test_LDADD = ../src/.libs/libgadgetsmp.a $(HDF5_LDFLAGS)
examples/test.c
View file @ 3f8a4cfe
/*******************************************************************************
* This file is part of GadgetSMP.
* Coypright (c) 2012 Pedro Gonnet (pedro.gonnet@durham.ac.uk)
* Coypright (c) 2012 Pedro Gonnet (pedro.gonnet@durham.ac.uk),
* Matthieu Schaller (matthieu.schaller@durham.ac.uk)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
......@@ -352,7 +353,7 @@ void read_id ( char *fname , struct part *parts , int N ) {
for ( k = 0 ; k < N ; k++ ) {
if ( gzgets( fd , buff , 1024 ) == NULL )
error( "Error reading id file." );
if ( sscanf( buff , "%li" , &parts[k].id ) != 1 ) {
if ( sscanf( buff , "%lli" , &parts[k].id ) != 1 ) {
printf( "read_id: failed to parse %ith entry.\n" , k );
error( "Error parsing id file." );
}
......@@ -406,7 +407,7 @@ void read_dt ( char *fname , struct part *parts , int N ) {
for ( k = 0 ; k < N ; k++ ) {
if ( gzgets( fd , buff , 1024 ) == NULL )
error( "Error reading id file." );
if ( sscanf( buff , "%i" , &parts[k].dt ) != 1 )
if ( sscanf( buff , "%f" , &parts[k].dt ) != 1 )
error( "Error parsing dt file." );
}
......@@ -532,7 +533,7 @@ void pairs_single ( double *dim , int pid , struct part *__restrict__ parts , in
r2 = dx[0]*dx[0] + dx[1]*dx[1] + dx[2]*dx[2];
if ( r2 < p->h*p->h ) {
runner_iact_density( r2 , NULL , p->h , parts[k].h , p , &parts[k] );
printf( "runner_dopair: interacting particles %i [%i,%i,%i] and %li [%i,%i,%i].\n" ,
printf( "runner_dopair: interacting particles %i [%i,%i,%i] and %lli [%i,%i,%i].\n" ,
pid , (int)(parts[pid].x[0]*ih) , (int)(parts[pid].x[1]*ih) , (int)(parts[pid].x[2]*ih) ,
parts[k].id , (int)(parts[k].x[0]*ih) , (int)(parts[k].x[1]*ih) , (int)(parts[k].x[2]*ih) );
parts[k].rho = 0.0;
......@@ -542,7 +543,7 @@ void pairs_single ( double *dim , int pid , struct part *__restrict__ parts , in
}
/* Dump the result. */
printf( "pairs_single: wcount of part %li (h=%e) is %.3f (nr. pairs %i).\n" , p->id , p->h , p->wcount + 32.0/3 , p->icount );
printf( "pairs_single: wcount of part %lli (h=%e) is %.3f (nr. pairs %i).\n" , p->id , p->h , p->wcount + 32.0/3 , p->icount );
fflush(stdout);
p->rho = 0.0;
......@@ -590,7 +591,7 @@ void pairs_single_old ( double *dim , struct part *__restrict__ parts , int N ,
}
r = sqrt( dx[0]*dx[0] + dx[1]*dx[1] + dx[2]*dx[2] );
if ( r < th )
printf( "pairs_single: %i %li [%e,%e,%e] %e\n" ,
printf( "pairs_single: %i %lli [%e,%e,%e] %e\n" ,
tid , parts[k].id , dx[0] , dx[1] , dx[2] , r );
}
......@@ -633,25 +634,31 @@ int main ( int argc , char *argv[] ) {
struct space s;
struct engine e;
char ICfileName[200];
float dt = 1.0f;
ticks tic;
/* Init the space. */
bzero( &s , sizeof(struct space) );
/* Parse the options */
while ( ( c = getopt( argc , argv , "f:a:m:s:t:q:r:z:" ) ) != -1 )
while ( ( c = getopt( argc , argv , "a:d:f:m:s:t:q:r:z:" ) ) != -1 )
switch( c )
{
case 'f':
if( !strcpy(ICfileName, optarg))
error("Error parsing IC file name.");
printf("main: IC to be read from file '%s'\n", ICfileName);
break;
case 'a':
if ( sscanf( optarg , "%lf" , &scaling ) != 1 )
error( "Error parsing cutoff scaling." );
printf( "main: scaling cutoff by %.3f.\n" , scaling ); fflush(stdout);
break;
case 'd':
if ( sscanf( optarg , "%f" , &dt ) != 1 )
error( "Error parsing timestep." );
printf( "main: dt set to %.3f.\n" , dt ); fflush(stdout);
break;
case 'f':
if( !strcpy(ICfileName, optarg))
error("Error parsing IC file name.");
printf("main: IC to be read from file '%s'\n", ICfileName);
break;
case 'm':
if ( sscanf( optarg , "%lf" , &h_max ) != 1 )
error( "Error parsing h_max." );
......@@ -816,6 +823,10 @@ int main ( int argc , char *argv[] ) {
space_init( &s , dim , parts , N , periodic , h_max );
printf( "main: space_init took %.3f ms.\n" , ((double)(getticks() - tic)) / CPU_TPS * 1000 ); fflush(stdout);
/* Set the default time step to 1.0f. */
s.dt = dt;
printf( "main: space dt is %f.\n" , s.dt );
/* Say a few nice things about the space we just created. */
printf( "main: space dimensions are [ %.3f %.3f %.3f ].\n" , s.dim[0] , s.dim[1] , s.dim[2] );
printf( "main: space %s periodic.\n" , s.periodic ? "is" : "isn't" );
......@@ -856,7 +867,6 @@ int main ( int argc , char *argv[] ) {
/* Let loose a runner on the space. */
for ( j = 0 ; j < runs ; j++ ) {
printf( "main: starting run %i/%i with %i threads and %i queues...\n" , j+1 , runs , e.nr_threads , e.nr_queues ); fflush(stdout);
tic = getticks();
#ifdef TIMER
for ( k = 0 ; k < runner_timer_count ; k++ )
runner_timer[k] = 0;
......@@ -869,6 +879,10 @@ int main ( int argc , char *argv[] ) {
for ( k = 0 ; k < runner_counter_count ; k++ )
runner_counter[k] = 0;
#endif
tic = getticks();
engine_prepare( &e , 0 );
printf( "main: engine_prepare took %.3f ms.\n" , ((double)(getticks() - tic)) / CPU_TPS * 1000 ); fflush(stdout);
tic = getticks();
engine_run( &e , 0 );
#ifdef TIMER
printf( "main: runner timers are [ %.3f" , runner_timer[0]/CPU_TPS*1000 );
......@@ -921,7 +935,7 @@ int main ( int argc , char *argv[] ) {
/* Get the particle with the lowest wcount. */
p = &s.parts[0];
space_map_parts( &s , &map_wcount_min , &p );
printf( "main: particle %li/%i at [ %e %e %e ] (h=%e) has minimum wcount %.3f (icount=%i).\n" ,
printf( "main: particle %lli/%i at [ %e %e %e ] (h=%e) has minimum wcount %.3f (icount=%i).\n" ,
p->id , (int)(p - s.parts) , p->x[0] , p->x[1] , p->x[2] , p->h , p->wcount + 32.0/3 , p->icount );
/* Loop over all the tasks and dump the ones containing p. */
......@@ -960,7 +974,7 @@ int main ( int argc , char *argv[] ) {
/* Get the particle with the highest wcount. */
p = &s.parts[0];
space_map_parts( &s , &map_wcount_max , &p );
printf( "main: particle %li/%i at [ %e %e %e ] (h=%e) has maximum wcount %.3f (icount=%i).\n" ,
printf( "main: particle %lli/%i at [ %e %e %e ] (h=%e) has maximum wcount %.3f (icount=%i).\n" ,
p->id , (int)(p - s.parts) , p->x[0] , p->x[1] , p->x[2] , p->h , p->wcount + 32.0/3 , p->icount );
/* Get the average interactions per particle. */
......@@ -969,7 +983,7 @@ int main ( int argc , char *argv[] ) {
printf( "main: average neighbours per particle is %.3f.\n" , (double)icount / s.nr_parts );
/* Dump the acceleration of the first particle. */
printf( "main: parts[%li].a is [ %.16e %.16e %.16e ].\n" , s.parts[6178].id , s.parts[6178].a[0] , s.parts[6178].a[1] , s.parts[6178].a[2] );
printf( "main: parts[%lli].a is [ %.16e %.16e %.16e ].\n" , s.parts[6178].id , s.parts[6178].a[0] , s.parts[6178].a[1] , s.parts[6178].a[2] );
/* Get all the cells of a certain depth. */
// icount = 1;
......
examples/test_mc.sh
View file @ 3f8a4cfe
......@@ -23,10 +23,10 @@ do
export OMP_THREAD_LIMIT=$cpu
export OMP_PROC_BIND=TRUE
./test -r 1000 -t $cpu -b "1400 1400 1400" -N 74240 -c small/Coordinates.txt.gz -s "700 700 700" -p 0 -h small/SmoothingLength.txt.gz -m 470 -z 200 > small_${cpu}.dump
# ./test -r 1000 -t $cpu -b "1400 1400 1400" -N 74240 -c small/Coordinates.txt.gz -s "700 700 700" -p 0 -h small/SmoothingLength.txt.gz -m 470 -z 200 > small_${cpu}.dump
./test -r 100 -t $cpu -b "100 100 100" -N 3558892 -c snap_C09/Coordinates.txt.gz -s "50 50 50" -p 0 -h snap_C09/SmoothingLength.txt.gz -m 6.138 > snap_C09_${cpu}.dump
# ./test -r 100 -t $cpu -b "100 100 100" -N 3558892 -c snap_C09/Coordinates.txt.gz -s "50 50 50" -p 0 -h snap_C09/SmoothingLength.txt.gz -m 6.138 > snap_C09_${cpu}.dump
./test -r 100 -t $cpu -b "6.25 6.25 6.25" -N 1841127 -c scaling/Coordinates.txt.gz -p 1 -h scaling/SmoothingLength.txt.gz -m 0.5 -z 200 > scaling_${cpu}.dump
./test -r 100 -t $cpu -f scaling/snap_023_z000p503.hdf5 -m 0.5 -z 200 > scaling_${cpu}.dump
done
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