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devkitPPC release 22
Posted: Mon Oct 18, 2010 11:27 pm
by WinterMute
The binaries for devkitPPC release 22 are now available. As usual the windows binary is available through the
Automated Installer/Updater, for other platforms check the
devkitPPC getting started page on the wiki.
- updated to gcc 4.5.1.
- updated gdb to 7.2.
- enabled paired singles by default
- enabled link time optimization.
- thread safe handle allocation in libsysbase.
Re: devkitPPC release 22
Posted: Tue Oct 19, 2010 1:40 pm
by Eke
thanks for the update...
It seems that code compilation now takes relatively more time than with previous releases, is that expected ?
On another topic, when bumping gcc version, do you usually run test examples to see how fast the produced code runs regarding to previous releases (with same optimization flags) ?
My question could be: do the usual rule "the later, the better" applies regarding gcc ability to produce optimized PPC code ?
Re: devkitPPC release 22
Posted: Thu Oct 21, 2010 12:06 pm
by WinterMute
I don't know about expected per se, certainly the compile time has tended to increase with newer versions but I know work is being done upstream to ameliorate that. To a certain extent it's a consequence of better code generation.
Recently we've been testing new devkitPPC builds by compiling WiiMC - usually I just throw a build at Tantric & Rodries and they do some tests to see how it effects playback. This release definitely improved things - videos which stuttered before now play smoothly.
Re: devkitPPC release 22
Posted: Mon Oct 25, 2010 5:16 pm
by Eke
Ok, thanks for the insight.