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Add benchmark inputs for sincos

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Siddhesh Poyarekar 2013-09-19 16:55:27 +05:30
parent cfa3c8865f
commit 7849ff938c
3 changed files with 92 additions and 1 deletions
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3
ChangeLog
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@ -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.

4
benchtests/Makefile
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@ -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

86
benchtests/bench-sincos.c Normal file
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@ -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"