From e029e2e5c5448e9b32cc2f26c89968b61e0baa6c Mon Sep 17 00:00:00 2001 From: Adhemerval Zanella Date: Thu, 29 Aug 2013 15:38:51 -0300 Subject: [PATCH] benchtests: Add memrchr benchmark --- ChangeLog | 8 ++++++++ benchtests/Makefile | 2 +- benchtests/bench-memchr.c | 8 +++++--- benchtests/bench-memrchr-ifunc.c | 20 ++++++++++++++++++++ benchtests/bench-memrchr.c | 40 ++++++++++++++++++++++++++++++++++++++++ 5 files changed, 74 insertions(+), 4 deletions(-) create mode 100644 benchtests/bench-memrchr-ifunc.c create mode 100644 benchtests/bench-memrchr.c diff --git a/ChangeLog b/ChangeLog index d67993a..b107551 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,11 @@ +2013-09-06 Adhemerval Zanella + + * benchtests/Makefile: Add memrchr benchmark. + * benchtests/bench-memchr.c (USE_AS_MEMRCHR): Add define to use + benchmark as memrchr. + * benchtests/bench-memrchr-ifunc.c: New file. + * benchtests/bench-memrchr.c: New file. + 2013-09-06 Will Newton * benchtests/Makefile (string-bench): Add memcpy. diff --git a/benchtests/Makefile b/benchtests/Makefile index 6037e5c..9cb4ff9 100644 --- a/benchtests/Makefile +++ b/benchtests/Makefile @@ -28,7 +28,7 @@ string-bench := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \ mempcpy memset rawmemchr stpcpy stpncpy strcasecmp strcasestr \ strcat strchr strchrnul strcmp strcpy strcspn strlen \ strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \ - strspn strstr strcpy_chk stpcpy_chk + strspn strstr strcpy_chk stpcpy_chk memrchr string-bench-ifunc := $(addsuffix -ifunc, $(string-bench)) string-bench-all := $(string-bench) $(string-bench-ifunc) diff --git a/benchtests/bench-memchr.c b/benchtests/bench-memchr.c index db099ad..30c472c 100644 --- a/benchtests/bench-memchr.c +++ b/benchtests/bench-memchr.c @@ -16,9 +16,10 @@ License along with the GNU C Library; if not, see . */ -#define TEST_MAIN -#define TEST_NAME "memchr" -#include "bench-string.h" +#ifndef USE_AS_MEMRCHR +# define TEST_MAIN +# define TEST_NAME "memchr" +# include "bench-string.h" typedef char *(*proto_t) (const char *, int, size_t); char *simple_memchr (const char *, int, size_t); @@ -34,6 +35,7 @@ simple_memchr (const char *s, int c, size_t n) return (char *) s - 1; return NULL; } +#endif static void do_one_test (impl_t *impl, const char *s, int c, size_t n, char *exp_res) diff --git a/benchtests/bench-memrchr-ifunc.c b/benchtests/bench-memrchr-ifunc.c new file mode 100644 index 0000000..fff8f01 --- /dev/null +++ b/benchtests/bench-memrchr-ifunc.c @@ -0,0 +1,20 @@ +/* Measure IFUNC implementations of memrchr function. + 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 + . */ + +#define TEST_IFUNC 1 +#include "bench-memrchr.c" diff --git a/benchtests/bench-memrchr.c b/benchtests/bench-memrchr.c new file mode 100644 index 0000000..96a597f --- /dev/null +++ b/benchtests/bench-memrchr.c @@ -0,0 +1,40 @@ +/* Measure memrchr functions. + 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 + . */ + +#define TEST_MAIN +#define TEST_NAME "memrchr" +#include "bench-string.h" + +typedef char *(*proto_t) (const char *, int, size_t); +char *simple_memrchr (const char *, int, size_t); + +IMPL (simple_memrchr, 0) +IMPL (memrchr, 1) + +char * +simple_memrchr (const char *s, int c, size_t n) +{ + s = s + n; + while (n--) + if (*--s == (char) c) + return (char *) s; + return NULL; +} + +#define USE_AS_MEMRCHR +#include "bench-memchr.c" -- 2.7.4