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From: Mark Knecht <markknecht@gmail.com>
To: gentoo-amd64@lists.gentoo.org
Subject: Re: [gentoo-amd64] Possible Math Problem - Request For Verification
Date: Sat, 25 Jun 2011 17:22:41 -0700	[thread overview]
Message-ID: <BANLkTinS9YdxfKM-aeUu_X8qVmSJ9bZ+iQ@mail.gmail.com> (raw)
In-Reply-To: <20110626015453.4a67fe37@marcec.huntemann.uni-oldenburg.de>

On Sat, Jun 25, 2011 at 4:54 PM, Marc Joliet <marcec@gmx.de> wrote:
> Am Sat, 25 Jun 2011 13:41:11 -0400
> schrieb Frank Peters <frank.peters@comcast.net>:
>
>> Hello,
>>
> [background information]
>
> Huh, I was unaware that GNU (since they're the authors of GCC/GLIBC) ever had
> problems in this area. Since I use my machine for numerical tasks, too, I was
> interested in seeing whether I would see the same problem.
>
>> The code will take several minutes to compile, execute, and complete.  While
>> the test is running it will spit out its progress to stdout.  Upon completion
>> a brief summary is given:
>>
>> UCBFAIL indicates problems!
>> /tmp/fp-test-results/ccos_DP.output: ucbtest UCBFAIL in COS(X) at line 444 for generic
>> /tmp/fp-test-results/clib_DP.output: ucbtest UCBFAIL in cabsd at line 701 for double
>> /tmp/fp-test-results/clib_DP.output: ucbtest UCBFAIL in powd at line 701 for double
>> /tmp/fp-test-results/clib_DP.output:UCBFAIL clib_DP.output , 25 out of 25 tests completed
>> /tmp/fp-test-results/csin_DP.output: ucbtest UCBFAIL in SIN(X) at line 444 for generic
>>
>> only 11 out of 14 show UCBPASS!
>
> I ran the tests without any modifications to ucbREADME/linux.sh and don't get
> the cabsd failure:
>
>    UCBFAIL indicates problems!
>    /tmp/fp-test-results/ccos_DP.output: ucbtest UCBFAIL in COS(X) at line 444 for generic
>    /tmp/fp-test-results/clib_DP.output: ucbtest UCBFAIL in powd at line 701 for double
>    /tmp/fp-test-results/clib_DP.output:UCBFAIL clib_DP.output , 25 out of 25 tests completed
>    /tmp/fp-test-results/csin_DP.output: ucbtest UCBFAIL in SIN(X) at line 444 for generic
>
>    only 11 out of 14 show UCBPASS!
>

Indeed, it was even manageable for a non-programmer like me.

Like Marc's results I do not see the cabsd failure. This machine is an
Intel i7-980x Extreme running Gentoo 64-bit mostly stable.

UCBFAIL indicates problems!
/tmp/fp-test-results/ccos_DP.output: ucbtest UCBFAIL in COS(X) at line
444 for generic
/tmp/fp-test-results/clib_DP.output: ucbtest UCBFAIL in powd at line
701 for double
/tmp/fp-test-results/clib_DP.output:UCBFAIL clib_DP.output , 25 out of
25 tests completed
/tmp/fp-test-results/csin_DP.output: ucbtest UCBFAIL in SIN(X) at line
444 for generic

HTH,
Mark



  reply	other threads:[~2011-06-26  0:24 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-25 17:41 [gentoo-amd64] Possible Math Problem - Request For Verification Frank Peters
2011-06-25 23:54 ` Marc Joliet
2011-06-26  0:22   ` Mark Knecht [this message]
2011-06-26  1:10     ` Frank Peters
2011-06-26  1:28   ` Frank Peters
2011-06-26  3:44 ` [gentoo-amd64] Possible Math Problem - Request For Verification [Solved] Frank Peters
2011-06-26  3:54   ` Mark Knecht
2011-06-26  4:39     ` Frank Peters
2011-06-26 11:33       ` James Cloos
2011-06-26 12:57       ` Mark Knecht
2011-06-26 16:30       ` Barry Schwartz
2011-06-26 11:30 ` [gentoo-amd64] Possible Math Problem - Request For Verification Volker Armin Hemmann
2011-06-26 12:13   ` Volker Armin Hemmann
2011-06-26 13:17     ` [gentoo-amd64] unsubscribe Piotr Hosowicz
2011-06-26 15:40       ` Dale
2011-06-26 17:26         ` Lie Ryan
2011-06-26 17:31           ` Volker Armin Hemmann
2011-06-26 17:52             ` Dale
2011-06-27  3:22             ` [gentoo-amd64] unsubscribe Duncan
2011-06-26 17:43           ` [gentoo-amd64] unsubscribe Dale
2011-06-26 16:27   ` [gentoo-amd64] Possible Math Problem - Request For Verification Frank Peters
2011-06-26 17:04 ` Volker Armin Hemmann
2011-06-26 17:17   ` Mark Knecht
2011-06-26 17:36   ` Frank Peters
2011-06-26 17:45     ` Volker Armin Hemmann
2011-06-26 17:54     ` Barry Schwartz
2011-06-26 19:01     ` Volker Armin Hemmann
2011-06-26 19:21       ` Barry Schwartz
2011-06-26 19:31         ` Volker Armin Hemmann
2011-06-26 19:49         ` Mark Knecht
2011-06-26 20:33           ` Frank Peters

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