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Rockbox mail archiveSubject: Re: Using gcc 4.4.0 to compile RockboxRe: Using gcc 4.4.0 to compile Rockbox
From: Nils <deathtoallhumans_at_gmail.com>
Date: Tue, 24 Feb 2009 17:36:00 +0100 On Tue, Feb 24, 2009 at 4:49 PM, Mark Allums <mark_at_allums.com> wrote: > Nils wrote: > >> Also could you run some benchmarks on the codecs to see how it affects >> performance? >> >> Nils >> > > > Attached is a spreadsheet in OpenOffice.org .ods format. I can supply > Excel 97, or text, if that would be better. > > > I compiled the 4.0.3 elf cross-compiler using my system's default gcc > 4.3.3. I compiled the 4.4.0 elf cross-compiler with an x86_64 native gcc > 4.4.0 that I bootstrapped myself from the gcc.gnu.org snapshot. > > It looks like vanilla 4.4.0 comes off worse in the comparison. I can't yet > bench .mp3s, or .wma's, but I would expect similar results to the ogg > results. The .m4a's were 256kb/s files, the .oggs were VBR. The .wma's may > or not be VBR, I can't remember; the .mp3s definitely were. > > This is a beginning. Also, keep in mind that it's early days, yet, for the > gcc 4.4.0 compiler. It will likely improve over time. > > Mark Allums thanks! too bad it's looking like it produces consistently slower code. Received on 2009-02-24 Page template was last modified "Tue Sep 7 00:00:02 2021" The Rockbox Crew -- Privacy Policy |