diff options
| author | enge <enge@211d60ee-9f03-0410-a15a-8952a2c7a4e4> | 2014-02-05 16:26:35 +0000 |
|---|---|---|
| committer | enge <enge@211d60ee-9f03-0410-a15a-8952a2c7a4e4> | 2014-02-05 16:26:35 +0000 |
| commit | 46c31e5c7ea4333547eb246c1db33d2f65b10b53 (patch) | |
| tree | be5deb00d186ed93b00dc86666c92b151281300f | |
| parent | a103a091270caf6346564b9fa7d0ff3000bbfabe (diff) | |
| download | mpc-46c31e5c7ea4333547eb246c1db33d2f65b10b53.tar.gz | |
bench: Start with add/sub before mul/div. Move sqrt to arithmetic functions.
Ceil of score to avoid zero scores on slow machines.
git-svn-id: svn://scm.gforge.inria.fr/svn/mpc/trunk@1443 211d60ee-9f03-0410-a15a-8952a2c7a4e4
| -rw-r--r-- | tools/bench/Makefile.am | 2 | ||||
| -rw-r--r-- | tools/bench/mpcbench.c | 18 |
2 files changed, 11 insertions, 9 deletions
diff --git a/tools/bench/Makefile.am b/tools/bench/Makefile.am index 310116d..fbd3948 100644 --- a/tools/bench/Makefile.am +++ b/tools/bench/Makefile.am @@ -20,7 +20,7 @@ AM_CPPFLAGS = -I$(top_srcdir)/src AM_DEFAULT_SOURCE_EXT = .c -LDADD = $(top_builddir)/src/libmpc.la +LDADD = $(top_builddir)/src/libmpc.la -lm EXTRA_PROGRAMS = mpcbench diff --git a/tools/bench/mpcbench.c b/tools/bench/mpcbench.c index 7cd6b60..a3a8a65 100644 --- a/tools/bench/mpcbench.c +++ b/tools/bench/mpcbench.c @@ -1,6 +1,6 @@ /* mpcbench.c -- perform the benchmark on the complex numbers. -Copyright (C) 2014 CNRS +Copyright (C) 2014 CNRS - INRIA This file is part of GNU MPC. @@ -21,6 +21,7 @@ along with this program. If not, see http://www.gnu.org/licenses/ . #include "config.h" #include <stdlib.h> #include <stdio.h> +#include <math.h> #ifdef HAVE_SYS_TIME_H #include <sys/time.h> #endif @@ -59,9 +60,9 @@ struct benchfunc /* declare the function to compute the cost for one call of the mpc function */ -DECLARE_TIME_2OP (mpc_mul) DECLARE_TIME_2OP (mpc_add) DECLARE_TIME_2OP (mpc_sub) +DECLARE_TIME_2OP (mpc_mul) DECLARE_TIME_2OP (mpc_div) DECLARE_TIME_1OP (mpc_sqrt) DECLARE_TIME_1OP (mpc_exp) @@ -79,11 +80,11 @@ DECLARE_TIME_1OP (mpc_acos) /* list of functions to compute the score */ const struct benchfunc arrayfunc[NB_BENCH_OP] = { - {"mul", ADDR_TIME_NOP (mpc_mul), ADDR_ACCURATE_TIME_NOP (mpc_mul), egroup_arith, 2}, {"add", ADDR_TIME_NOP (mpc_add), ADDR_ACCURATE_TIME_NOP (mpc_add), egroup_arith, 2}, {"sub", ADDR_TIME_NOP (mpc_sub), ADDR_ACCURATE_TIME_NOP (mpc_sub), egroup_arith, 2}, + {"mul", ADDR_TIME_NOP (mpc_mul), ADDR_ACCURATE_TIME_NOP (mpc_mul), egroup_arith, 2}, {"div", ADDR_TIME_NOP (mpc_div), ADDR_ACCURATE_TIME_NOP (mpc_div), egroup_arith, 2}, - {"sqrt", ADDR_TIME_NOP (mpc_sqrt), ADDR_ACCURATE_TIME_NOP (mpc_sqrt), egroup_special, 1}, + {"sqrt", ADDR_TIME_NOP (mpc_sqrt), ADDR_ACCURATE_TIME_NOP (mpc_sqrt), egroup_arith, 1}, {"exp", ADDR_TIME_NOP (mpc_exp), ADDR_ACCURATE_TIME_NOP (mpc_exp), egroup_special, 1}, {"log", ADDR_TIME_NOP (mpc_log), ADDR_ACCURATE_TIME_NOP (mpc_log), egroup_special, 1}, {"cos", ADDR_TIME_NOP (mpc_cos), ADDR_ACCURATE_TIME_NOP (mpc_cos), egroup_special, 1}, @@ -162,7 +163,7 @@ compute_score (mpz_t zscore, int op, gmp_randstate_t randstate) double t; - unsigned long ops_per_fivecentisec; + unsigned long ops_per_time; int countprec = 0; @@ -201,11 +202,12 @@ compute_score (mpz_t zscore, int op, gmp_randstate_t randstate) /* ti expressed in microseconds */ ti = arrayfunc[i].func_accurate (niter, NB_RAND_CPLX, zptr, xptr, yptr, arrayfunc[i].noperands); - ops_per_fivecentisec = (unsigned long) (50000E0 * niter / (double) ti); + ops_per_time = (unsigned long) ceil (50000E0 * niter / (double) ti); + /* use 0.05s */ - printf ("%7lu\n", ops_per_fivecentisec); + printf ("%7lu\n", ops_per_time); - mpz_mul_ui (zscore, zscore, ops_per_fivecentisec); + mpz_mul_ui (zscore, zscore, ops_per_time); /* free memory */ for (j = 0; j < NB_RAND_CPLX; j++) |