diff options
| -rw-r--r-- | perf/Makefile.am | 4 | ||||
| -rw-r--r-- | perf/fbench.c | 13 |
2 files changed, 14 insertions, 3 deletions
diff --git a/perf/Makefile.am b/perf/Makefile.am index de0384b7..ba8d3225 100644 --- a/perf/Makefile.am +++ b/perf/Makefile.am @@ -21,6 +21,6 @@ AM_CPPFLAGS = -I$(top_srcdir) -I$(top_srcdir)/include -I$(top_builddir)/include AM_CXXFLAGS = $(AM_CFLAGS) # Extra stuff -fbench_LDADD = -lm +fbench_CFLAGS = -g -O2 +fbench_LDADD = ffbench_LDADD = -lm - diff --git a/perf/fbench.c b/perf/fbench.c index 83e573fe..79bbb3ec 100644 --- a/perf/fbench.c +++ b/perf/fbench.c @@ -8,6 +8,16 @@ // site is in the public domain and may be used in any manner without // permission, restriction, attribution, or compensation." +/* This program can be used in two ways. If INTRIG is undefined, sin, + cos, tan, etc, will be used as supplied by <math.h>. If it is + defined, then the program calculates all this stuff from first + principles (so to speak) and does not use the libc facilities. For + benchmarking purposes it seems better to avoid the libc stuff, so + that the inner loops (sin, sqrt) present a workload independent of + libc implementations on different platforms. Hence: */ + +#define INTRIG 1 + /* @@ -238,6 +248,7 @@ */ + #include <stdio.h> #include <stdlib.h> #include <string.h> @@ -289,7 +300,7 @@ int itercount; /* The iteration counter for the main loop tracing code. */ #ifndef ITERATIONS -#define ITERATIONS /*1000*/ /*500000*/ 125000 +#define ITERATIONS /*1000*/ /*500000*/ 80000 #endif int niter = ITERATIONS; /* Iteration counter */ |