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From: | Brian Inglis <Brian DOT Inglis AT SystematicSW DOT Invalid> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: gcc 4.10 thinks it is 5x faster than 4.01 |
Organization: | Systematic Software |
Message-ID: | <4jfh22lcje6dd2icmigtf2s3c7n19sigi8@4ax.com> |
References: | <1143502002 DOT 445175 DOT 231640 AT v46g2000cwv DOT googlegroups DOT com> |
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Date: | Tue, 28 Mar 2006 04:42:15 GMT |
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X-Complaints-To: | abuse AT shaw DOT ca |
X-Trace: | pd7tw2no 1143520935 64.59.135.176 (Mon, 27 Mar 2006 21:42:15 MST) |
NNTP-Posting-Date: | Mon, 27 Mar 2006 21:42:15 MST |
To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Reply-To: | djgpp AT delorie DOT com |
On 27 Mar 2006 15:26:42 -0800 in comp.os.msdos.djgpp, "Bob W" <dontsend AT operamail DOT com> wrote: >After checking out gcc version 4.10 the first test already >revealed a flaw: > >My test-program reported that it was running about >5 times as fast as compared to its 4.01 compiled version. > >As I don't believe in miracles, I suspect that a bug has >crawled into the clock() function and/or the CLOCKS_PER_SEC >definition. > >I have further noticed a 6% jitter in the values which >are returned by clock() after about 5 seconds. But this is >not necessarily related to the above mentioned problem. > >(Console window, Win XP-P) Did you recompile and rebuild libc with gcc 4.01 and 4.10? -- Thanks. Take care, Brian Inglis Calgary, Alberta, Canada Brian DOT Inglis AT CSi DOT com (Brian[dot]Inglis{at}SystematicSW[dot]ab[dot]ca) fake address use address above to reply
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