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[thirdparty/glibc.git] / benchtests / bench-timing.h

diff --git a/benchtests/bench-timing.h b/benchtests/bench-timing.h
index 009813bb8041f7bcfba4169c6ec718d76bc764e1..26db7b00cbd3733d31defb2a4d8e463c61ffecbb 100644 (file)
--- a/benchtests/bench-timing.h
+++ b/benchtests/bench-timing.h
@@ -1,5 +1,5 @@
 /* Define timing macros.
-   Copyright (C) 2013 Free Software Foundation, Inc.
+   Copyright (C) 2013-2019 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
@@ -14,62 +14,23 @@
 
    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/>.  */
+   <https://www.gnu.org/licenses/>.  */
 
+#undef attribute_hidden
+#define attribute_hidden
+#define __clock_gettime clock_gettime
 #include <hp-timing.h>
 #include <stdint.h>
 
-#if HP_TIMING_AVAIL && !defined USE_CLOCK_GETTIME
-# define GL(x) _##x
-# define GLRO(x) _##x
-hp_timing_t _dl_hp_timing_overhead;
+#define GL(x) _##x
+#define GLRO(x) _##x
 typedef hp_timing_t timing_t;
 
-# define TIMING_INIT(iters) \
-({                                                                           \
-  HP_TIMING_DIFF_INIT();                                                     \
-  (iters) = 1000;                                                            \
-})
+#define TIMING_TYPE "hp_timing"
 
-# define TIMING_NOW(var) HP_TIMING_NOW (var)
-# define TIMING_DIFF(diff, start, end) HP_TIMING_DIFF ((diff), (start), (end))
-# define TIMING_ACCUM(sum, diff) HP_TIMING_ACCUM_NT ((sum), (diff))
-
-# define TIMING_PRINT_STATS(func, d_total_s, d_iters, d_total_i, max, min) \
-  printf ("%s: ITERS:%g: TOTAL:%gMcy, MAX:%gcy, MIN:%gcy, %g calls/Mcy\n",    \
-         (func), (d_total_i), (d_total_s) * 1e-6, (max) / (d_iters),         \
-         (min) / (d_iters), 1e6 * (d_total_i) / (d_total_s));
-
-#else
-typedef uint64_t timing_t;
-
-/* Measure 1000 times the resolution of the clock.  So for a 1ns
-   resolution  clock, we measure 1000 iterations of the function call at a
-   time.  Measurements close to the minimum clock resolution won't make
-   much sense, but it's better than having nothing at all.  */
-# define TIMING_INIT(iters) \
-({                                                                           \
-  struct timespec start;                                                     \
-  clock_getres (CLOCK_PROCESS_CPUTIME_ID, &start);                           \
-  (iters) = 1000 * start.tv_nsec;                                            \
-})
-
-# define TIMING_NOW(var) \
-({                                                                           \
-  struct timespec tv;                                                        \
-  clock_gettime (CLOCK_PROCESS_CPUTIME_ID, &tv);                             \
-  (var) = (uint64_t) (tv.tv_nsec + (uint64_t) 1000000000 * tv.tv_sec);       \
-})
-
-# define TIMING_DIFF(diff, start, end) (diff) = (end) - (start)
-# define TIMING_ACCUM(sum, diff) (sum) += (diff)
-
-# define TIMING_PRINT_STATS(func, d_total_s, d_iters, d_total_i, max, min) \
-  printf ("%s: ITERS:%g: TOTAL:%gs, MAX:%gns, MIN:%gns, %g iter/s\n",        \
-         (func), (d_total_i), (d_total_s) * 1e-9, (max) / (d_iters),                 \
-         (min) / (d_iters), 1e9 * (d_total_i) / (d_total_s))
-
-#endif
+#define TIMING_NOW(var) HP_TIMING_NOW (var)
+#define TIMING_DIFF(diff, start, end) HP_TIMING_DIFF ((diff), (start), (end))
+#define TIMING_ACCUM(sum, diff) HP_TIMING_ACCUM_NT ((sum), (diff))
 
 #define TIMING_PRINT_MEAN(d_total_s, d_iters) \
   printf ("\t%g", (d_total_s) / (d_iters))