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authorWill Newton <will.newton@linaro.org>2013-09-02 14:13:50 +0100
committerWill Newton <will.newton@linaro.org>2013-09-04 15:40:12 +0100
commit44558701ff93118de40d5d5484e210149570f951 (patch)
tree852abdc5179f2da33311bb53fbd226d88c086b56 /benchtests
parentcae16d66756dfb76b6b4c804e5eb1218d587c60f (diff)
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benchtests: Switch string benchmarks to use bench-timing.h.
Switch the string benchmarks to using bench-timing.h instead of hp-timing.h directly. This allows the string benchmarks to be run usefully on architectures such as ARM that do not have support for hp-timing.h. In order to do this the tests have been changed from timing each individual call and picking the lowest execution time recorded to timing a number of calls and taking the mean execution time. ChangeLog: 2013-09-04 Will Newton <will.newton@linaro.org> * benchtests/bench-timing.h (TIMING_PRINT_MEAN): New macro. * benchtests/bench-string.h: Include bench-timing.h instead of including hp-timing.h directly. (INNER_LOOP_ITERS): New define. (HP_TIMING_BEST): Delete macro. (test_init): Remove call to HP_TIMING_DIFF_INIT. * benchtests/bench-memccpy.c: Use bench-timing.h macros instead of hp-timing.h macros. * benchtests/bench-memchr.c: Likewise. * benchtests/bench-memcmp.c: Likewise. * benchtests/bench-memcpy.c: Likewise. * benchtests/bench-memmem.c: Likewise. * benchtests/bench-memmove.c: Likewise. * benchtests/bench-memset.c: Likewise. * benchtests/bench-rawmemchr.c: Likewise. * benchtests/bench-strcasecmp.c: Likewise. * benchtests/bench-strcasestr.c: Likewise. * benchtests/bench-strcat.c: Likewise. * benchtests/bench-strchr.c: Likewise. * benchtests/bench-strcmp.c: Likewise. * benchtests/bench-strcpy.c: Likewise. * benchtests/bench-strcpy_chk.c: Likewise. * benchtests/bench-strlen.c: Likewise. * benchtests/bench-strncasecmp.c: Likewise. * benchtests/bench-strncat.c: Likewise. * benchtests/bench-strncmp.c: Likewise. * benchtests/bench-strncpy.c: Likewise. * benchtests/bench-strnlen.c: Likewise. * benchtests/bench-strpbrk.c: Likewise. * benchtests/bench-strrchr.c: Likewise. * benchtests/bench-strspn.c: Likewise. * benchtests/bench-strstr.c: Likewise.
Diffstat (limited to 'benchtests')
-rw-r--r--benchtests/bench-memccpy.c32
-rw-r--r--benchtests/bench-memchr.c32
-rw-r--r--benchtests/bench-memcmp.c32
-rw-r--r--benchtests/bench-memcpy.c32
-rw-r--r--benchtests/bench-memmem.c36
-rw-r--r--benchtests/bench-memmove.c34
-rw-r--r--benchtests/bench-memset.c32
-rw-r--r--benchtests/bench-rawmemchr.c31
-rw-r--r--benchtests/bench-strcasecmp.c31
-rw-r--r--benchtests/bench-strcasestr.c32
-rw-r--r--benchtests/bench-strcat.c35
-rw-r--r--benchtests/bench-strchr.c34
-rw-r--r--benchtests/bench-strcmp.c32
-rw-r--r--benchtests/bench-strcpy.c30
-rw-r--r--benchtests/bench-strcpy_chk.c28
-rw-r--r--benchtests/bench-string.h15
-rw-r--r--benchtests/bench-strlen.c33
-rw-r--r--benchtests/bench-strncasecmp.c32
-rw-r--r--benchtests/bench-strncat.c36
-rw-r--r--benchtests/bench-strncmp.c44
-rw-r--r--benchtests/bench-strncpy.c30
-rw-r--r--benchtests/bench-strnlen.c33
-rw-r--r--benchtests/bench-strpbrk.c30
-rw-r--r--benchtests/bench-strrchr.c32
-rw-r--r--benchtests/bench-strspn.c33
-rw-r--r--benchtests/bench-strstr.c32
-rw-r--r--benchtests/bench-timing.h3
27 files changed, 334 insertions, 502 deletions
diff --git a/benchtests/bench-memccpy.c b/benchtests/bench-memccpy.c
index 612513c..2c47e79 100644
--- a/benchtests/bench-memccpy.c
+++ b/benchtests/bench-memccpy.c
@@ -59,6 +59,9 @@ do_one_test (impl_t *impl, void *dst, const void *src, int c, size_t len,
size_t n)
{
void *expect = len > n ? NULL : (char *) dst + len;
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
if (CALL (impl, dst, src, c, n) != expect)
{
error (0, 0, "Wrong result in function %s %p %p", impl->name,
@@ -74,23 +77,16 @@ do_one_test (impl_t *impl, void *dst, const void *src, int c, size_t len,
return;
}
- if (HP_TIMING_AVAIL)
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute__ ((unused));
- hp_timing_t stop __attribute__ ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, dst, src, c, n);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
-
- printf ("\t%zd", (size_t) best_time);
+ CALL (impl, dst, src, c, n);
}
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -121,14 +117,12 @@ do_test (size_t align1, size_t align2, int c, size_t len, size_t n,
for (i = len; i + align1 < page_size && i < len + 64; ++i)
s1[i] = 32 + 32 * i % (max_char - 32);
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, n %4zd, char %d, alignment %2zd/%2zd:", len, n, c, align1, align2);
+ printf ("Length %4zd, n %4zd, char %d, alignment %2zd/%2zd:", len, n, c, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s2, s1, c, len, n);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-memchr.c b/benchtests/bench-memchr.c
index 5470ce6..db099ad 100644
--- a/benchtests/bench-memchr.c
+++ b/benchtests/bench-memchr.c
@@ -39,6 +39,9 @@ static void
do_one_test (impl_t *impl, const char *s, int c, size_t n, char *exp_res)
{
char *res = CALL (impl, s, c, n);
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
if (res != exp_res)
{
error (0, 0, "Wrong result in function %s %p %p", impl->name,
@@ -47,23 +50,16 @@ do_one_test (impl_t *impl, const char *s, int c, size_t n, char *exp_res)
return;
}
- if (HP_TIMING_AVAIL)
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, s, c, n);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
-
- printf ("\t%zd", (size_t) best_time);
+ CALL (impl, s, c, n);
}
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -96,14 +92,12 @@ do_test (size_t align, size_t pos, size_t len, int seek_char)
buf1[align + len] = seek_char;
}
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, alignment %2zd:", pos, align);
+ printf ("Length %4zd, alignment %2zd:", pos, align);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, (char *) (buf1 + align), seek_char, len, result);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-memcmp.c b/benchtests/bench-memcmp.c
index 053bb50..544130b 100644
--- a/benchtests/bench-memcmp.c
+++ b/benchtests/bench-memcmp.c
@@ -78,23 +78,19 @@ static void
do_one_test (impl_t *impl, const CHAR *s1, const CHAR *s2, size_t len,
int exp_result)
{
- if (HP_TIMING_AVAIL)
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, s1, s2, len);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
-
- printf ("\t%zd", (size_t) best_time);
+ CALL (impl, s1, s2, len);
}
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -124,14 +120,12 @@ do_test (size_t align1, size_t align2, size_t len, int exp_result)
s2[len] = align2;
s2[len - 1] -= exp_result;
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
+ printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s1, s2, len, exp_result);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-memcpy.c b/benchtests/bench-memcpy.c
index 1b12671..8cd9c23 100644
--- a/benchtests/bench-memcpy.c
+++ b/benchtests/bench-memcpy.c
@@ -52,6 +52,9 @@ static void
do_one_test (impl_t *impl, char *dst, const char *src,
size_t len)
{
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
if (CALL (impl, dst, src, len) != MEMCPY_RESULT (dst, len))
{
error (0, 0, "Wrong result in function %s %p %p", impl->name,
@@ -68,23 +71,16 @@ do_one_test (impl_t *impl, char *dst, const char *src,
return;
}
- if (HP_TIMING_AVAIL)
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, dst, src, len);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
-
- printf ("\t%zd", (size_t) best_time);
+ CALL (impl, dst, src, len);
}
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -107,14 +103,12 @@ do_test (size_t align1, size_t align2, size_t len)
for (i = 0, j = 1; i < len; i++, j += 23)
s1[i] = j;
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
+ printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s2, s1, len);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-memmem.c b/benchtests/bench-memmem.c
index ca758a8..b8f8a8b 100644
--- a/benchtests/bench-memmem.c
+++ b/benchtests/bench-memmem.c
@@ -60,23 +60,19 @@ static void
do_one_test (impl_t *impl, const void *haystack, size_t haystack_len,
const void *needle, size_t needle_len, const void *expected)
{
- if (HP_TIMING_AVAIL)
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
+ CALL (impl, haystack, haystack_len, needle, needle_len);
+ }
+ TIMING_NOW (stop);
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, haystack, haystack_len, needle, needle_len);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
+ TIMING_DIFF (cur, start, stop);
- printf ("\t%zd", (size_t) best_time);
- }
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -87,16 +83,14 @@ do_test (const char *str, size_t len, size_t idx)
memcpy (tmpbuf, buf1 + idx, len);
memcpy (buf1 + idx, str, len);
- if (HP_TIMING_AVAIL)
- printf ("String %s, offset %zd:", str, idx);
+ printf ("String %s, offset %zd:", str, idx);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, buf1, BUF1PAGES * page_size, str, len, buf1 + idx);
memcpy (buf1 + idx, tmpbuf, len);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
static void
@@ -120,15 +114,13 @@ do_random_tests (void)
buf1[idx + off] = ch;
}
- if (HP_TIMING_AVAIL)
- printf ("String %.*s, offset %zd:", (int) len, buf1 + idx, idx);
+ printf ("String %.*s, offset %zd:", (int) len, buf1 + idx, idx);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, buf1, BUF1PAGES * page_size, buf1 + idx, len,
buf1 + idx);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
memcpy (buf1 + idx, tmpbuf, len);
}
diff --git a/benchtests/bench-memmove.c b/benchtests/bench-memmove.c
index 8925606..332d6af 100644
--- a/benchtests/bench-memmove.c
+++ b/benchtests/bench-memmove.c
@@ -67,6 +67,9 @@ static void
do_one_test (impl_t *impl, char *dst, char *src, const char *orig_src,
size_t len)
{
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
memcpy (src, orig_src, len);
#ifdef TEST_BCOPY
CALL (impl, src, dst, len);
@@ -91,27 +94,20 @@ do_one_test (impl_t *impl, char *dst, char *src, const char *orig_src,
return;
}
- if (HP_TIMING_AVAIL)
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
#ifdef TEST_BCOPY
- CALL (impl, src, dst, len);
+ CALL (impl, src, dst, len);
#else
- CALL (impl, dst, src, len);
+ CALL (impl, dst, src, len);
#endif
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
-
- printf ("\t%zd", (size_t) best_time);
}
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -134,14 +130,12 @@ do_test (size_t align1, size_t align2, size_t len)
for (i = 0, j = 1; i < len; i++, j += 23)
s1[i] = j;
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
+ printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s2, (char *) (buf2 + align1), s1, len);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-memset.c b/benchtests/bench-memset.c
index ea29cf3..e45807c 100644
--- a/benchtests/bench-memset.c
+++ b/benchtests/bench-memset.c
@@ -75,6 +75,8 @@ simple_memset (char *s, int c, size_t n)
static void
do_one_test (impl_t *impl, char *s, int c __attribute ((unused)), size_t n)
{
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
char tstbuf[n];
#ifdef TEST_BZERO
simple_bzero (tstbuf, n);
@@ -92,28 +94,20 @@ do_one_test (impl_t *impl, char *s, int c __attribute ((unused)), size_t n)
return;
}
- if (HP_TIMING_AVAIL)
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
#ifdef TEST_BZERO
- CALL (impl, s, n);
+ CALL (impl, s, n);
#else
- CALL (impl, s, c, n);
+ CALL (impl, s, c, n);
#endif
+ }
+ TIMING_NOW (stop);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
+ TIMING_DIFF (cur, start, stop);
- printf ("\t%zd", (size_t) best_time);
- }
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -123,14 +117,12 @@ do_test (size_t align, int c, size_t len)
if (align + len > page_size)
return;
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, alignment %2zd, c %2d:", len, align, c);
+ printf ("Length %4zd, alignment %2zd, c %2d:", len, align, c);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, (char *) buf1 + align, c, len);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-rawmemchr.c b/benchtests/bench-rawmemchr.c
index a6b29d7..df6a310 100644
--- a/benchtests/bench-rawmemchr.c
+++ b/benchtests/bench-rawmemchr.c
@@ -40,6 +40,8 @@ simple_rawmemchr (const char *s, int c)
static void
do_one_test (impl_t *impl, const char *s, int c, char *exp_res)
{
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
char *res = CALL (impl, s, c);
if (res != exp_res)
{
@@ -49,23 +51,16 @@ do_one_test (impl_t *impl, const char *s, int c, char *exp_res)
return;
}
- if (HP_TIMING_AVAIL)
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, s, c);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
-
- printf ("\t%zd", (size_t) best_time);
+ CALL (impl, s, c);
}
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -92,14 +87,12 @@ do_test (size_t align, size_t pos, size_t len, int seek_char)
buf1[align + len] = -seek_char;
result = (char *) (buf1 + align + pos);
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, alignment %2zd:", pos, align);
+ printf ("Length %4zd, alignment %2zd:", pos, align);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, (char *) (buf1 + align), seek_char, result);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-strcasecmp.c b/benchtests/bench-strcasecmp.c
index 27250bb..1458df1 100644
--- a/benchtests/bench-strcasecmp.c
+++ b/benchtests/bench-strcasecmp.c
@@ -62,6 +62,8 @@ stupid_strcasecmp (const char *s1, const char *s2)
static void
do_one_test (impl_t *impl, const char *s1, const char *s2, int exp_result)
{
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
int result = CALL (impl, s1, s2);
if ((exp_result == 0 && result != 0)
|| (exp_result < 0 && result >= 0)
@@ -73,23 +75,16 @@ do_one_test (impl_t *impl, const char *s1, const char *s2, int exp_result)
return;
}
- if (HP_TIMING_AVAIL)
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, s1, s2);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
-
- printf ("\t%zd", (size_t) best_time);
+ CALL (impl, s1, s2);
}
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -128,14 +123,12 @@ do_test (size_t align1, size_t align2, size_t len, int max_char,
else
s2[len - 1] -= exp_result;
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
+ printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s1, s2, exp_result);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-strcasestr.c b/benchtests/bench-strcasestr.c
index 289b490..68b7e95 100644
--- a/benchtests/bench-strcasestr.c
+++ b/benchtests/bench-strcasestr.c
@@ -60,23 +60,19 @@ IMPL (strcasestr, 1)
static void
do_one_test (impl_t *impl, const char *s1, const char *s2, char *exp_result)
{
- if (HP_TIMING_AVAIL)
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~(hp_timing_t) 0;
- size_t i;
+ CALL (impl, s1, s2);
+ }
+ TIMING_NOW (stop);
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, s1, s2);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
+ TIMING_DIFF (cur, start, stop);
- printf ("\t%zd", (size_t) best_time);
- }
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
@@ -116,15 +112,13 @@ do_test (size_t align1, size_t align2, size_t len1, size_t len2,
}
s1[len1] = '\0';
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd/%zd, alignment %2zd/%2zd, %s:",
- len1, len2, align1, align2, fail ? "fail" : "found");
+ printf ("Length %4zd/%zd, alignment %2zd/%2zd, %s:",
+ len1, len2, align1, align2, fail ? "fail" : "found");
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s1, s2, fail ? NULL : s1 + len1 - len2);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
static int
diff --git a/benchtests/bench-strcat.c b/benchtests/bench-strcat.c
index b70a272..6602009 100644
--- a/benchtests/bench-strcat.c
+++ b/benchtests/bench-strcat.c
@@ -39,7 +39,9 @@ simple_strcat (char *dst, const char *src)
static void
do_one_test (impl_t *impl, char *dst, const char *src)
{
- size_t k = strlen (dst);
+ size_t k = strlen (dst), i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
if (CALL (impl, dst, src) != dst)
{
error (0, 0, "Wrong result in function %s %p %p", impl->name,
@@ -56,24 +58,17 @@ do_one_test (impl_t *impl, char *dst, const char *src)
return;
}
- if (HP_TIMING_AVAIL)
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- dst[k] = '\0';
- HP_TIMING_NOW (start);
- CALL (impl, dst, src);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
-
- printf ("\t%zd", (size_t) best_time);
+ dst[k] = '\0';
+ CALL (impl, dst, src);
}
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -100,8 +95,7 @@ do_test (size_t align1, size_t align2, size_t len1, size_t len2, int max_char)
for (i = 0; i < len2; i++)
s2[i] = 32 + 23 * i % (max_char - 32);
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd/%4zd, alignment %2zd/%2zd:", len1, len2, align1, align2);
+ printf ("Length %4zd/%4zd, alignment %2zd/%2zd:", len1, len2, align1, align2);
FOR_EACH_IMPL (impl, 0)
{
@@ -109,8 +103,7 @@ do_test (size_t align1, size_t align2, size_t len1, size_t len2, int max_char)
do_one_test (impl, s2, s1);
}
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-strchr.c b/benchtests/bench-strchr.c
index 710b592..d432ba5 100644
--- a/benchtests/bench-strchr.c
+++ b/benchtests/bench-strchr.c
@@ -89,23 +89,19 @@ IMPL (STRCHR, 1)
static void
do_one_test (impl_t *impl, const CHAR *s, int c, const CHAR *exp_res)
{
- if (HP_TIMING_AVAIL)
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, s, c);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
-
- printf ("\t%zd", (size_t) best_time);
+ CALL (impl, s, c);
}
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -141,15 +137,13 @@ do_test (size_t align, size_t pos, size_t len, int seek_char, int max_char)
else
result = NULLRET (buf + align + len);
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, alignment in bytes %2zd:",
- pos, align * sizeof (CHAR));
+ printf ("Length %4zd, alignment in bytes %2zd:",
+ pos, align * sizeof (CHAR));
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, buf + align, seek_char, result);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-strcmp.c b/benchtests/bench-strcmp.c
index 63a3cd4..c1e0b26 100644
--- a/benchtests/bench-strcmp.c
+++ b/benchtests/bench-strcmp.c
@@ -138,23 +138,19 @@ do_one_test (impl_t *impl,
const CHAR *s1, const CHAR *s2,
int exp_result)
{
- if (HP_TIMING_AVAIL)
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, s1, s2);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
-
- printf ("\t%zd", (size_t) best_time);
+ CALL (impl, s1, s2);
}
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -190,14 +186,12 @@ do_test (size_t align1, size_t align2, size_t len, int max_char,
s2[len + 1] = 24 + exp_result;
s2[len - 1] -= exp_result;
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
+ printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s1, s2, exp_result);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-strcpy.c b/benchtests/bench-strcpy.c
index 4e024d4..88db83b 100644
--- a/benchtests/bench-strcpy.c
+++ b/benchtests/bench-strcpy.c
@@ -74,6 +74,9 @@ static void
do_one_test (impl_t *impl, CHAR *dst, const CHAR *src,
size_t len __attribute__((unused)))
{
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
if (CALL (impl, dst, src) != STRCPY_RESULT (dst, len))
{
error (0, 0, "Wrong result in function %s %p %p", impl->name,
@@ -91,23 +94,16 @@ do_one_test (impl_t *impl, CHAR *dst, const CHAR *src,
return;
}
- if (HP_TIMING_AVAIL)
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));;
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
CALL (impl, dst, src);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
-
- printf ("\t%zd", (size_t) best_time);
}
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -133,14 +129,12 @@ do_test (size_t align1, size_t align2, size_t len, int max_char)
s1[i] = 32 + 23 * i % (max_char - 32);
s1[len] = 0;
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, alignments in bytes %2zd/%2zd:", len, align1 * sizeof(CHAR), align2 * sizeof(CHAR));
+ printf ("Length %4zd, alignments in bytes %2zd/%2zd:", len, align1 * sizeof(CHAR), align2 * sizeof(CHAR));
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s2, s1, len);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-strcpy_chk.c b/benchtests/bench-strcpy_chk.c
index 29e5728..3c2a0b3 100644
--- a/benchtests/bench-strcpy_chk.c
+++ b/benchtests/bench-strcpy_chk.c
@@ -75,6 +75,9 @@ do_one_test (impl_t *impl, char *dst, const char *src,
size_t len, size_t dlen)
{
char *res;
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
if (dlen <= len)
{
if (impl->test == 1)
@@ -110,23 +113,16 @@ do_one_test (impl_t *impl, char *dst, const char *src,
return;
}
- if (HP_TIMING_AVAIL)
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));;
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
+ CALL (impl, dst, src, dlen);
+ }
+ TIMING_NOW (stop);
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, dst, src, dlen);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
+ TIMING_DIFF (cur, start, stop);
- printf ("\t%zd", (size_t) best_time);
- }
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -150,13 +146,13 @@ do_test (size_t align1, size_t align2, size_t len, size_t dlen, int max_char)
s1[i] = 32 + 23 * i % (max_char - 32);
s1[len] = 0;
- if (HP_TIMING_AVAIL && dlen > len)
+ if (dlen > len)
printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s2, s1, len, dlen);
- if (HP_TIMING_AVAIL && dlen > len)
+ if (dlen > len)
putchar ('\n');
}
diff --git a/benchtests/bench-string.h b/benchtests/bench-string.h
index 2fe8d9f..53e796a 100644
--- a/benchtests/bench-string.h
+++ b/benchtests/bench-string.h
@@ -52,7 +52,7 @@ extern impl_t __start_impls[], __stop_impls[];
# include <ifunc-impl-list.h>
# define GL(x) _##x
# define GLRO(x) _##x
-# include <hp-timing.h>
+# include "bench-timing.h"
# define TEST_FUNCTION test_main ()
@@ -61,6 +61,8 @@ extern impl_t __start_impls[], __stop_impls[];
# define OPT_RANDOM 10001
# define OPT_SEED 10002
+# define INNER_LOOP_ITERS 64
+
unsigned char *buf1, *buf2;
int ret, do_srandom;
unsigned int seed;
@@ -158,16 +160,6 @@ static impl_t *impl_array;
if (!notall || impl->test)
# endif /* ! (defined TEST_IFUNC && defined TEST_NAME) */
-# define HP_TIMING_BEST(best_time, start, end) \
- do \
- { \
- hp_timing_t tmptime; \
- HP_TIMING_DIFF (tmptime, start + _dl_hp_timing_overhead, end); \
- if (best_time > tmptime) \
- best_time = tmptime; \
- } \
- while (0)
-
# ifndef BUF1PAGES
# define BUF1PAGES 1
# endif
@@ -198,7 +190,6 @@ test_init (void)
error (EXIT_FAILURE, errno, "mmap failed");
if (mprotect (buf2 + page_size, page_size, PROT_NONE))
error (EXIT_FAILURE, errno, "mprotect failed");
- HP_TIMING_DIFF_INIT ();
if (do_srandom)
{
printf ("Setting seed to 0x%x\n", seed);
diff --git a/benchtests/bench-strlen.c b/benchtests/bench-strlen.c
index 63b1e93..44c9c2b 100644
--- a/benchtests/bench-strlen.c
+++ b/benchtests/bench-strlen.c
@@ -62,7 +62,9 @@ IMPL (STRLEN, 1)
static void
do_one_test (impl_t *impl, const CHAR *s, size_t exp_len)
{
- size_t len = CALL (impl, s);
+ size_t len = CALL (impl, s), i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
if (len != exp_len)
{
error (0, 0, "Wrong result in function %s %zd %zd", impl->name,
@@ -71,23 +73,16 @@ do_one_test (impl_t *impl, const CHAR *s, size_t exp_len)
return;
}
- if (HP_TIMING_AVAIL)
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, s);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
-
- printf ("\t%zd", (size_t) best_time);
+ CALL (impl, s);
}
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -105,14 +100,12 @@ do_test (size_t align, size_t len)
buf[align + i] = 1 + 11111 * i % MAX_CHAR;
buf[align + len] = 0;
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, alignment %2zd:", len, align);
+ printf ("Length %4zd, alignment %2zd:", len, align);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, (CHAR *) (buf + align), len);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-strncasecmp.c b/benchtests/bench-strncasecmp.c
index 5fa9220..9badd05 100644
--- a/benchtests/bench-strncasecmp.c
+++ b/benchtests/bench-strncasecmp.c
@@ -73,23 +73,19 @@ static void
do_one_test (impl_t *impl, const char *s1, const char *s2, size_t n,
int exp_result)
{
- if (HP_TIMING_AVAIL)
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, s1, s2, n);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
-
- printf ("\t%zd", (size_t) best_time);
+ CALL (impl, s1, s2, n);
}
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -128,14 +124,12 @@ do_test (size_t align1, size_t align2, size_t n, size_t len, int max_char,
else
s2[len - 1] -= exp_result;
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
+ printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s1, s2, n, exp_result);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-strncat.c b/benchtests/bench-strncat.c
index 904daa7..2a17817 100644
--- a/benchtests/bench-strncat.c
+++ b/benchtests/bench-strncat.c
@@ -43,7 +43,9 @@ stupid_strncat (char *dst, const char *src, size_t n)
static void
do_one_test (impl_t *impl, char *dst, const char *src, size_t n)
{
- size_t k = strlen (dst);
+ size_t k = strlen (dst), i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
if (CALL (impl, dst, src, n) != dst)
{
error (0, 0, "Wrong result in function %s %p != %p", impl->name,
@@ -67,24 +69,18 @@ do_one_test (impl_t *impl, char *dst, const char *src, size_t n)
ret = 1;
return;
}
- if (HP_TIMING_AVAIL)
+
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
+ dst[k] = '\0';
+ CALL (impl, dst, src, n);
+ }
+ TIMING_NOW (stop);
- for (i = 0; i < 32; ++i)
- {
- dst[k] = '\0';
- HP_TIMING_NOW (start);
- CALL (impl, dst, src, n);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
+ TIMING_DIFF (cur, start, stop);
- printf ("\t%zd", (size_t) best_time);
- }
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -114,9 +110,8 @@ do_test (size_t align1, size_t align2, size_t len1, size_t len2,
for (i = 0; i < len2; i++)
s2[i] = 32 + 23 * i % (max_char - 32);
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd/%4zd, alignment %2zd/%2zd, N %4zd:",
- len1, len2, align1, align2, n);
+ printf ("Length %4zd/%4zd, alignment %2zd/%2zd, N %4zd:",
+ len1, len2, align1, align2, n);
FOR_EACH_IMPL (impl, 0)
{
@@ -124,8 +119,7 @@ do_test (size_t align1, size_t align2, size_t len1, size_t len2,
do_one_test (impl, s2, s1, n);
}
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-strncmp.c b/benchtests/bench-strncmp.c
index b3af0f9..25df3db 100644
--- a/benchtests/bench-strncmp.c
+++ b/benchtests/bench-strncmp.c
@@ -54,23 +54,19 @@ static void
do_one_test (impl_t *impl, const char *s1, const char *s2, size_t n,
int exp_result)
{
- if (HP_TIMING_AVAIL)
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, s1, s2, n);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
-
- printf ("\t%zd", (size_t) best_time);
+ CALL (impl, s1, s2, n);
}
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -84,14 +80,12 @@ do_test_limit (size_t align1, size_t align2, size_t len, size_t n, int max_char,
{
s1 = (char*)(buf1 + page_size);
s2 = (char*)(buf2 + page_size);
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd/%4zd:", len, n);
+ printf ("Length %4zd/%4zd:", len, n);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s1, s2, n, 0);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
return;
}
@@ -122,14 +116,12 @@ do_test_limit (size_t align1, size_t align2, size_t len, size_t n, int max_char,
s1[len] = 64;
}
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd/%4zd, alignment %2zd/%2zd:", len, n, align1, align2);
+ printf ("Length %4zd/%4zd, alignment %2zd/%2zd:", len, n, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s1, s2, n, exp_result);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
static void
@@ -167,14 +159,12 @@ do_test (size_t align1, size_t align2, size_t len, size_t n, int max_char,
if (len >= n)
s2[n - 1] -= exp_result;
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd/%4zd, alignment %2zd/%2zd:", len, n, align1, align2);
+ printf ("Length %4zd/%4zd, alignment %2zd/%2zd:", len, n, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, (char*)s1, (char*)s2, n, exp_result);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-strncpy.c b/benchtests/bench-strncpy.c
index 4065c0a..645925b 100644
--- a/benchtests/bench-strncpy.c
+++ b/benchtests/bench-strncpy.c
@@ -62,6 +62,9 @@ typedef char *(*proto_t) (char *, const char *, size_t);
static void
do_one_test (impl_t *impl, char *dst, const char *src, size_t len, size_t n)
{
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
if (CALL (impl, dst, src, n) != STRNCPY_RESULT (dst, len, n))
{
error (0, 0, "Wrong result in function %s %p %p", impl->name,
@@ -90,23 +93,16 @@ do_one_test (impl_t *impl, char *dst, const char *src, size_t len, size_t n)
}
}
- if (HP_TIMING_AVAIL)
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute__ ((unused));
- hp_timing_t stop __attribute__ ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
+ CALL (impl, dst, src, n);
+ }
+ TIMING_NOW (stop);
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, dst, src, n);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
+ TIMING_DIFF (cur, start, stop);
- printf ("\t%zd", (size_t) best_time);
- }
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -132,14 +128,12 @@ do_test (size_t align1, size_t align2, size_t len, size_t n, int max_char)
for (i = len + 1; i + align1 < page_size && i < len + 64; ++i)
s1[i] = 32 + 32 * i % (max_char - 32);
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, n %4zd, alignment %2zd/%2zd:", len, n, align1, align2);
+ printf ("Length %4zd, n %4zd, alignment %2zd/%2zd:", len, n, align1, align2);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s2, s1, len, n);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-strnlen.c b/benchtests/bench-strnlen.c
index 4233f27..793f9be 100644
--- a/benchtests/bench-strnlen.c
+++ b/benchtests/bench-strnlen.c
@@ -38,7 +38,9 @@ simple_strnlen (const char *s, size_t maxlen)
static void
do_one_test (impl_t *impl, const char *s, size_t maxlen, size_t exp_len)
{
- size_t len = CALL (impl, s, maxlen);
+ size_t len = CALL (impl, s, maxlen), i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
if (len != exp_len)
{
error (0, 0, "Wrong result in function %s %zd %zd", impl->name,
@@ -47,23 +49,16 @@ do_one_test (impl_t *impl, const char *s, size_t maxlen, size_t exp_len)
return;
}
- if (HP_TIMING_AVAIL)
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, s, maxlen);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
-
- printf ("\t%zd", (size_t) best_time);
+ CALL (impl, s, maxlen);
}
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -79,14 +74,12 @@ do_test (size_t align, size_t len, size_t maxlen, int max_char)
buf1[align + i] = 1 + 7 * i % max_char;
buf1[align + len] = 0;
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, alignment %2zd:", len, align);
+ printf ("Length %4zd, alignment %2zd:", len, align);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, (char *) (buf1 + align), maxlen, MIN (len, maxlen));
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-strpbrk.c b/benchtests/bench-strpbrk.c
index 0163de8..fe966be 100644
--- a/benchtests/bench-strpbrk.c
+++ b/benchtests/bench-strpbrk.c
@@ -62,6 +62,9 @@ static void
do_one_test (impl_t *impl, const char *s, const char *rej, RES_TYPE exp_res)
{
RES_TYPE res = CALL (impl, s, rej);
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
if (res != exp_res)
{
error (0, 0, "Wrong result in function %s %p %p", impl->name,
@@ -70,23 +73,16 @@ do_one_test (impl_t *impl, const char *s, const char *rej, RES_TYPE exp_res)
return;
}
- if (HP_TIMING_AVAIL)
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
+ CALL (impl, s, rej);
+ }
+ TIMING_NOW (stop);
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, s, rej);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
+ TIMING_DIFF (cur, start, stop);
- printf ("\t%zd", (size_t) best_time);
- }
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -136,14 +132,12 @@ do_test (size_t align, size_t pos, size_t len)
}
result = STRPBRK_RESULT (s, pos);
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, alignment %2zd, rej len %2zd:", pos, align, len);
+ printf ("Length %4zd, alignment %2zd, rej len %2zd:", pos, align, len);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s, rej, result);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-strrchr.c b/benchtests/bench-strrchr.c
index 400ac80..6a7aa84 100644
--- a/benchtests/bench-strrchr.c
+++ b/benchtests/bench-strrchr.c
@@ -63,6 +63,9 @@ static void
do_one_test (impl_t *impl, const CHAR *s, int c, CHAR *exp_res)
{
CHAR *res = CALL (impl, s, c);
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
if (res != exp_res)
{
error (0, 0, "Wrong result in function %s %p %p", impl->name,
@@ -71,23 +74,16 @@ do_one_test (impl_t *impl, const CHAR *s, int c, CHAR *exp_res)
return;
}
- if (HP_TIMING_AVAIL)
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, s, c);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
-
- printf ("\t%zd", (size_t) best_time);
+ CALL (impl, s, c);
}
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -126,14 +122,12 @@ do_test (size_t align, size_t pos, size_t len, int seek_char, int max_char)
else
result = NULL;
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, alignment in bytes %2zd:", pos, align * sizeof(CHAR));
+ printf ("Length %4zd, alignment in bytes %2zd:", pos, align * sizeof(CHAR));
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, (CHAR *) (buf + align), seek_char, result);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-strspn.c b/benchtests/bench-strspn.c
index 7cf26f4..634bca1 100644
--- a/benchtests/bench-strspn.c
+++ b/benchtests/bench-strspn.c
@@ -65,7 +65,9 @@ stupid_strspn (const char *s, const char *acc)
static void
do_one_test (impl_t *impl, const char *s, const char *acc, size_t exp_res)
{
- size_t res = CALL (impl, s, acc);
+ size_t res = CALL (impl, s, acc), i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
if (res != exp_res)
{
error (0, 0, "Wrong result in function %s %p %p", impl->name,
@@ -74,23 +76,16 @@ do_one_test (impl_t *impl, const char *s, const char *acc, size_t exp_res)
return;
}
- if (HP_TIMING_AVAIL)
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~ (hp_timing_t) 0;
- size_t i;
-
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, s, acc);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
-
- printf ("\t%zd", (size_t) best_time);
+ CALL (impl, s, acc);
}
+ TIMING_NOW (stop);
+
+ TIMING_DIFF (cur, start, stop);
+
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
static void
@@ -128,14 +123,12 @@ do_test (size_t align, size_t pos, size_t len)
s[i] = '\0';
}
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd, alignment %2zd, acc len %2zd:", pos, align, len);
+ printf ("Length %4zd, alignment %2zd, acc len %2zd:", pos, align, len);
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s, acc, pos);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
int
diff --git a/benchtests/bench-strstr.c b/benchtests/bench-strstr.c
index 91a8dfe..528a5c0 100644
--- a/benchtests/bench-strstr.c
+++ b/benchtests/bench-strstr.c
@@ -58,23 +58,19 @@ IMPL (strstr, 1)
static void
do_one_test (impl_t *impl, const char *s1, const char *s2, char *exp_result)
{
- if (HP_TIMING_AVAIL)
+ size_t i, iters = INNER_LOOP_ITERS;
+ timing_t start, stop, cur;
+
+ TIMING_NOW (start);
+ for (i = 0; i < iters; ++i)
{
- hp_timing_t start __attribute ((unused));
- hp_timing_t stop __attribute ((unused));
- hp_timing_t best_time = ~(hp_timing_t) 0;
- size_t i;
+ CALL (impl, s1, s2);
+ }
+ TIMING_NOW (stop);
- for (i = 0; i < 32; ++i)
- {
- HP_TIMING_NOW (start);
- CALL (impl, s1, s2);
- HP_TIMING_NOW (stop);
- HP_TIMING_BEST (best_time, start, stop);
- }
+ TIMING_DIFF (cur, start, stop);
- printf ("\t%zd", (size_t) best_time);
- }
+ TIMING_PRINT_MEAN ((double) cur, (double) iters);
}
@@ -113,15 +109,13 @@ do_test (size_t align1, size_t align2, size_t len1, size_t len2,
}
s1[len1] = '\0';
- if (HP_TIMING_AVAIL)
- printf ("Length %4zd/%zd, alignment %2zd/%2zd, %s:",
- len1, len2, align1, align2, fail ? "fail" : "found");
+ printf ("Length %4zd/%zd, alignment %2zd/%2zd, %s:",
+ len1, len2, align1, align2, fail ? "fail" : "found");
FOR_EACH_IMPL (impl, 0)
do_one_test (impl, s1, s2, fail ? NULL : s1 + len1 - len2);
- if (HP_TIMING_AVAIL)
- putchar ('\n');
+ putchar ('\n');
}
static int
diff --git a/benchtests/bench-timing.h b/benchtests/bench-timing.h
index 264d4b8..009813b 100644
--- a/benchtests/bench-timing.h
+++ b/benchtests/bench-timing.h
@@ -70,3 +70,6 @@ typedef uint64_t timing_t;
(min) / (d_iters), 1e9 * (d_total_i) / (d_total_s))
#endif
+
+#define TIMING_PRINT_MEAN(d_total_s, d_iters) \
+ printf ("\t%g", (d_total_s) / (d_iters))