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Bug#102193: marked as done (gcc-3.0: compiled code with gcc 3.0 is slow and big :-()



Your message dated Fri, 27 Dec 2002 23:53:25 +0100
with message-id <15884.55781.582933.986081@gargle.gargle.HOWL>
and subject line closing gcc report with updated benchmark results (2.95, 3.0, 3.2, 3.3)
has caused the attached Bug report to be marked as done.

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If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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Received: (at submit) by bugs.debian.org; 25 Jun 2001 09:10:02 +0000
>From lgb@vega.digitel2002.hu Mon Jun 25 04:10:02 2001
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From: Gabor Lenart <lgb@vega.digitel2002.hu>
Subject: gcc-3.0: compiled code with gcc 3.0 is slow and big :-(
To: submit@bugs.debian.org
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Date: Mon, 25 Jun 2001 11:08:29 +0200 (CEST)
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Package: gcc-3.0
Version: 1:3.0-2
Severity: wishlist

Hi!

I'm Gabor Lenart from Hungary and we're developing a movie player software
for Linux. We tried to compile and benchmark mplayer (our player) with both
of gcc 3.0 and gcc 2.95. We found out that gcc 3.0 produces SLOWER and BIGGER
code than 2.95. Is it normal? If it is, I will refuse to use gcc 3.0 since
I need maximum speed, since on my AMD K6-2 DVD playback is a very CPU
sensitive situation.

Bye, Gabor

-- System Information
Debian Release: testing/unstable
Kernel Version: Linux vega 2.2.19 #1 Wed Apr 4 14:41:06 CEST 2001 i686 unknown

Versions of the packages gcc-3.0 depends on:
ii  cpp-3.0        3.0-2          The GNU C preprocessor.
ii  gcc-3.0-base   3.0-2          The GNU compiler collection (base package).
ii  libgcc1        3.0-2          GCC support library.
ii  binutils       2.11.90.0.7-2  The GNU assembler, linker and binary utiliti
ii  libc6          2.2.3-6        GNU C Library: Shared libraries and Timezone

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Message-ID: <15884.55781.582933.986081@gargle.gargle.HOWL>
Date: Fri, 27 Dec 2002 23:53:25 +0100
To: 102193-done@bugs.debian.org
CC: Anthony DeRobertis <asd@suespammers.org>,
        Phil Edwards <pedwards@disaster.jaj.com>,
        Gabor Lenart <lgb@vega.digitel2002.hu>,
        Morten Brix Pedersen <morten@wtf.dk>
Subject: closing gcc report with updated benchmark results (2.95, 3.0, 3.2, 3.3)
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updated results, all are current Debian versions (gcc-3.3 is the
current snapshot package): checked on ix86

Closing the report with these results ...


          -O0                     -O2                     -O3
--------+----------------------------------------------------------------- 
gcc-2.95| real    0m2.779s        real    0m1.715s        real    0m1.711s
        | user    0m2.690s        user    0m1.560s        user    0m1.600s
        | sys     0m0.080s        sys     0m0.160s        sys     0m0.110s
        |
gcc-3.0 | real    0m4.166s        real    0m1.689s        real    0m1.732s
        | user    0m4.020s        user    0m1.640s        user    0m1.620s
        | sys     0m0.140s        sys     0m0.040s        sys     0m0.110s
        |
gcc-3.2 | real    0m2.159s        real    0m1.863s        real    0m1.650s
        | user    0m2.050s        user    0m1.810s        user    0m1.590s
        | sys     0m0.110s        sys     0m0.050s        sys     0m0.050s
        |
gcc-3.3 | real    0m1.653s        real    0m1.374s        real    0m1.396s
        | user    0m1.580s        user    0m1.310s        user    0m1.340s
        | sys     0m0.080s        sys     0m0.060s        sys     0m0.060s



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