Date: Sun, 30 May 2004 02:10:24 -0700 (PDT) From: Pav Lucistnik <pav@FreeBSD.org> To: freebsd-ports-bugs@FreeBSD.org Subject: Re: ports/67159: benchmarks/stream: checksum update Message-ID: <200405300910.i4U9AO9T092747@freefall.freebsd.org>
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The following reply was made to PR ports/67159; it has been noted by GNATS.
From: Pav Lucistnik <pav@FreeBSD.org>
To: freebsd-gnats-submit@FreeBSD.org, bogorodskiy@inbox.ru
Cc:
Subject: Re: ports/67159: benchmarks/stream: checksum update
Date: Sun, 30 May 2004 11:03:46 +0200
Here is the diff between old and new distfile:
diff -ruN old/second_cpu.c new/second_cpu.c
--- old/second_cpu.c Tue Oct 24 22:47:59 1995
+++ new/second_cpu.c Tue Apr 8 17:25:14 2003
@@ -3,7 +3,7 @@
#include <sys/times.h>
#include <time.h>
-double second()
+double mysecond()
{
long sec;
double secx;
diff -ruN old/stream_d.c new/stream_d.c
--- old/stream_d.c Wed Nov 27 13:56:30 2002
+++ new/stream_d.c Fri Jan 10 23:12:50 2003
@@ -34,7 +34,7 @@
* other hand, the optimizer might be too smart for me!
*
* Try compiling with:
- * cc -O stream_d.c second.c -o stream_d -lm
+ * cc -O stream_d.c second_wall.c -o stream_d -lm
*
* This is known to work on Cray, SGI, IBM, and Sun machines.
*
@@ -74,7 +74,7 @@
3 * sizeof(double) * N
};
-extern double second();
+extern double mysecond();
int
main()
@@ -115,10 +115,10 @@
printf("Your clock granularity appears to be "
"less than one microsecond.\n");
- t = second();
+ t = mysecond();
for (j = 0; j < N; j++)
a[j] = 2.0E0 * a[j];
- t = 1.0E6 * (second() - t);
+ t = 1.0E6 * (mysecond() - t);
printf("Each test below will take on the order"
" of %d microseconds.\n", (int) t );
@@ -138,25 +138,25 @@
scalar = 3.0;
for (k=0; k<NTIMES; k++)
{
- times[0][k] = second();
+ times[0][k] = mysecond();
for (j=0; j<N; j++)
c[j] = a[j];
- times[0][k] = second() - times[0][k];
+ times[0][k] = mysecond() - times[0][k];
- times[1][k] = second();
+ times[1][k] = mysecond();
for (j=0; j<N; j++)
b[j] = scalar*c[j];
- times[1][k] = second() - times[1][k];
+ times[1][k] = mysecond() - times[1][k];
- times[2][k] = second();
+ times[2][k] = mysecond();
for (j=0; j<N; j++)
c[j] = a[j]+b[j];
- times[2][k] = second() - times[2][k];
+ times[2][k] = mysecond() - times[2][k];
- times[3][k] = second();
+ times[3][k] = mysecond();
for (j=0; j<N; j++)
a[j] = b[j]+scalar*c[j];
- times[3][k] = second() - times[3][k];
+ times[3][k] = mysecond() - times[3][k];
}
/* --- SUMMARY --- */
@@ -195,8 +195,8 @@
/* Collect a sequence of M unique time values from the system. */
for (i = 0; i < M; i++) {
- t1 = second();
- while( ((t2=second()) - t1) < 1.0E-6 )
+ t1 = mysecond();
+ while( ((t2=mysecond()) - t1) < 1.0E-6 )
;
timesfound[i] = t1 = t2;
}
--
Pav Lucistnik <pav@oook.cz>
<pav@FreeBSD.org>
Pain clots and unformed lice pat this train.
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