Rename bench/{benchmark.h => util.h}

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 0 insertions, 146 deletions

diff --git a/bench/benchmark.h b/bench/benchmark.h
deleted file mode 100644
index 63ca1ff..0000000
--- a/bench/benchmark.h
+++ /dev/null
@@ -1,146 +0,0 @@
-#if defined(__linux__)
-# define _GNU_SOURCE
-# include <sched.h>
-#endif
-
-#include <limits.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-
-
-#ifdef BENCHMARK_LIB
-# include BENCHMARK_LIB
-#else
-# include "../zahl.h"
-# define BIGINT_LIBRARY  "libzahl"
-#endif
-
-#ifndef LIBRARY_SUFFIX
-# define LIBRARY_SUFFIX  ""
-#endif
-
-#ifndef USE_CPU
-# define USE_CPU  0
-#endif
-
-
-#ifndef CLOCK_MONOTONIC_RAW
-# define CLOCK_MONOTONIC_RAW  CLOCK_MONOTONIC
-#endif
-
-
-#ifdef __x86_64__
-# define RDTSC_MAYBE_SUPPORTED
-#endif
-
-
-#if !defined(USE_RDTSC) && !defined(USE_CLOCK) && !defined(USE_GETTIME)
-# if 1 && defined(RDTSC_MAYBE_SUPPORTED) && defined(__linux__)
-#  define USE_RDTSC
-# elif 1
-#  define USE_CLOCK
-# else
-#  define USE_GETTIME
-# endif
-#endif
-
-
-
-static struct timespec dur;
-static char timebuf[512];
-
-
-#if defined(USE_RDTSC) && defined(__x86_64__)
-typedef unsigned long long int rdtsc_t;
-static unsigned int start_high, start_low, end_high, end_low;
-static unsigned long long int freq;
-
-# define TIC  (rdtsc(&start_low, &start_high))
-# define TOC\
-	do {\
-		rdtsc_t dur_cycles;\
-		double dur_seconds;\
-		rdtsc(&end_low, &end_high);\
-		dur_cycles = rdtsc_join(end_low, end_high);\
-		dur_cycles -= rdtsc_join(start_low, start_high);\
-		dur_seconds = (double)dur_cycles;\
-		dur_seconds /= 1000 * (double)freq;\
-		dur_seconds -= (double)(dur.tv_sec = (int)dur_seconds);\
-		dur.tv_nsec = (long int)(dur_seconds * 1000000000L);\
-	} while (0)
-
-static inline void
-rdtsc(unsigned int *low, unsigned int *high)
-{
-	__asm__ __volatile__ ("rdtsc" : "=a"(*low), "=d"(*high));
-}
-
-static inline rdtsc_t
-rdtsc_join(unsigned int low, unsigned int high)
-{
-	return (rdtsc_t)low | (((rdtsc_t)high) << 32);
-}
-
-
-#elif defined(USE_CLOCK)
-static clock_t start, end;
-
-# define TIC  (start = clock())
-# define TOC\
-	do {\
-		end = clock();\
-		dur.tv_sec = (end - start) / 1000000ULL;\
-		dur.tv_nsec = ((end - start) % 1000000ULL) * 1000;\
-	} while (0)
-
-
-#elif defined(USE_GETTIME)
-static struct timespec start;
-
-# define TIC  clock_gettime(CLOCK_MONOTONIC_RAW, &start)
-# define TOC\
-	do {\
-		clock_gettime(CLOCK_MONOTONIC_RAW, &dur);\
-		dur.tv_sec -= start.tv_sec;\
-		dur.tv_nsec -= start.tv_nsec;\
-		if (dur.tv_nsec < 0) {\
-			dur.tv_nsec += 1000000000L;\
-			dur.tv_sec -= 1;\
-		}\
-	} while (0)
-#endif
-
-
-#define TICKS  ((unsigned long long int)(dur.tv_sec) * 1000000000ULL + (unsigned long long int)(dur.tv_nsec))
-#define STIME  (sprintf(timebuf, "%lli.%09li", (long long)(dur.tv_sec), dur.tv_nsec), timebuf)
-
-
-static void
-benchmark_init(void)
-{
-#if defined(__linux__)
-	cpu_set_t cpuset;
-# if defined(USE_RDTSC)
-	FILE *f;
-	char *line = 0;
-	size_t size = 0;
-	char path[PATH_MAX];
-# endif
-	CPU_ZERO(&cpuset);
-	CPU_SET(USE_CPU, &cpuset);
-	sched_setaffinity(getpid(), sizeof(cpuset), &cpuset);
-# if defined(USE_RDTSC)
-	sprintf(path, "/sys/devices/system/cpu/cpu%i/cpufreq/cpuinfo_max_freq", USE_CPU);
-	f = fopen(path, "r");
-	if (getline(&line, &size, f) < 0)
-		abort();
-	fclose(f);
-	freq = strtoull(line, 0, 10);
-	free(line);
-# endif
-#endif
-	(void) timebuf;
-}