Date: Sat, 15 May 1999 02:16:40 +0300 From: Maxim Sobolev <sobomax@altavista.net> To: current@FreeBSD.ORG Subject: Solved: NPX code reports negative i586_bzero() bandwidth Message-ID: <373CAED8.AC9377DA@altavista.net> References: <3735833E.1B1011B4@altavista.net>
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Maxim Sobolev wrote:
> i586_bzero() bandwidth = -2082577916 bytes/sec
> bzero() bandwidth = 184877056 bytes/sec
It seems that on a fast machines with a lot of cache long type is not
sufficient to print i586_bzero bandwith values in bytes/s (in my case it was
slightly overruned). Following is the patch:
--- npx.c.orig Sat May 15 01:14:13 1999
+++ npx.c Sat May 15 02:01:51 1999
@@ -696,8 +696,8 @@
if (usec <= 0)
usec = 1;
if (bootverbose)
- printf("%s bandwidth = %ld bytes/sec\n",
- funcname, (long)(BUFSIZE * (int64_t)1000000 / usec));
+ printf("%s bandwidth = %ld Kbytes/sec\n",
+ funcname, (long)(BUFSIZE * (int64_t)1000000 / (1024*usec)));
free(buf, M_TEMP);
return (usec);
}
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