diff options
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | benchtests/Makefile | 4 | ||||
| -rw-r--r-- | benchtests/bench-sincos.c | 86 |
3 files changed, 92 insertions, 1 deletions
@@ -1,5 +1,8 @@ 2013-09-19 Siddhesh Poyarekar <siddhesh@redhat.com> + * benchtests/Makefile (bench): Add sincos. + * benchtests/bench-sincos.c: New file. + * math/libm-test.inc (cos_test_data): New test inputs. (sin_test_data): Likewise. diff --git a/benchtests/Makefile b/benchtests/Makefile index 9cb4ff9..4f4bd54 100644 --- a/benchtests/Makefile +++ b/benchtests/Makefile @@ -21,7 +21,7 @@ subdir := benchtests bench := acos acosh asin asinh atan atanh cos cosh exp log modf pow rint sin \ - sinh tan tanh + sincos sinh tan tanh # String function benchmarks. string-bench := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \ @@ -98,6 +98,8 @@ tanh-ARGLIST = double tanh-RET = double LDLIBS-bench-tanh = -lm +LDLIBS-bench-sincos = -lm + # Rules to build and execute the benchmarks. Do not put any benchmark diff --git a/benchtests/bench-sincos.c b/benchtests/bench-sincos.c new file mode 100644 index 0000000..7662dde --- /dev/null +++ b/benchtests/bench-sincos.c @@ -0,0 +1,86 @@ +/* Copyright (C) 2013 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +extern void sincos (double, double *, double *); + +#define CALL_BENCH_FUNC(v, i, j, k) sincos ( variants[v].in[i].arg0, &j, &k); + +struct args +{ + volatile double arg0; +}; + +struct args in0[12] = +{ + { 0.9 }, + { 2.3 }, + { 3.7 }, + { 3.9 }, + { 4.0 }, + { 4.7 }, + { 5.9 }, + + { 0x1.000000cf4a2a1p0 }, + { 0x1.0000010b239a8p0 }, + { 0x1.00000162a932ap0 }, + { 0x1.000002d452a11p0 }, + { 0x1.000005bc7d86cp0 } +}; + +struct args in1[12] = +{ + { 0.93340582292648832662962377071381 }, + { 2.3328432680770916363144351635128 }, + { 3.7439477503636453548097051680088 }, + { 3.9225160069792437411706487182528 }, + { 4.0711651639931289992091478779912 }, + { 4.7858438478542097982426639646292 }, + { 5.9840767662578002727968851104379 }, + + { 0x1.000000cf4a2a2p0 }, + { 0x1.0000010b239a9p0 }, + { 0x1.00000162a932bp0 }, + { 0x1.000002d452a10p0 }, + { 0x1.000005bc7d86dp0 } +}; + +struct _variants +{ + const char *name; + int count; + struct args *in; +}; + +struct _variants variants[2] = + { + {"sincos()", 12, in0}, + {"sincos(768bits)", 12, in1}, + }; + +#define NUM_VARIANTS 2 +#define NUM_SAMPLES(i) (variants[i].count) +#define VARIANT(i) (variants[i].name) + +#define BENCH_FUNC(v, j) \ +({ \ + volatile double iptr; \ + volatile double iptr2; \ + CALL_BENCH_FUNC (v, j, iptr, iptr2); \ +}) + +#define FUNCNAME "sincos" +#include "bench-skeleton.c" |