[Slackbuilds-users] sse2 optimisation

2010-06-26 Thread David Spencer
Greetings SlackPeople, may I ask your advice? I'm doing a SlackBuild for Luminance HDR. Its compiler flags assume that SSE2 instructions are available. That's a bad assumption, but it's easy to make it configurable with a variable SSE2=yes|no and a note in the README. So, here's my question.

Re: [Slackbuilds-users] sse2 optimisation

2010-06-26 Thread Ozan Türkyılmaz
2010/6/26 korgman kor...@gmail.com: David Spencer wrote: Can this software work with acceptable speed in old processors without SSE2? (i686) depending on how it's compiled it may not work. i'm not sure if gcc adds more than one path for same code -- Ozan

Re: [Slackbuilds-users] sse2 optimisation

2010-06-26 Thread David Spencer
Can this software work with acceptable speed in old processors without SSE2? (i686) Yes, it is acceptable without SSE2. In fact the -msse2 flag was only introduced one version ago (qtpfsgui-1.9.3 -- Luminance HDR is the new name for qtpfsgui.) People with Athlons, including me, could not get

Re: [Slackbuilds-users] sse2 optimisation

2010-06-26 Thread Antoine NONYME
Le Sat, 26 Jun 2010 13:58:36 +0100, David Spencer baildon.resea...@googlemail.com a écrit : Greetings SlackPeople, may I ask your advice? I'm doing a SlackBuild for Luminance HDR. Its compiler flags assume that SSE2 instructions are available. That's a bad assumption, but it's easy to

Re: [Slackbuilds-users] sse2 optimisation

2010-06-26 Thread Patrick J. Volkerding
On 06/26/2010 07:58 AM, David Spencer wrote: Greetings SlackPeople, may I ask your advice? I'm doing a SlackBuild for Luminance HDR. Its compiler flags assume that SSE2 instructions are available. That's a bad assumption, but it's easy to make it configurable with a variable SSE2=yes|no and a

Re: [Slackbuilds-users] Updates - 20100623.1

2010-06-26 Thread higuita
On Thu, 24 Jun 2010 23:46:35 -0300, Luis Henrique F. Cardoso de Mello lmello@gmail.com wrote: Cerveja aqui no Brasil para quem vem me visitar! :) Opa, tô nessa, Niels! :) Mandem uma por email para aqui, Portugal ;) higuita -- Naturally the common people don't want war... but

Re: [Slackbuilds-users] sse2 optimisation

2010-06-26 Thread Rob McGee
On Sat, Jun 26, 2010 at 11:49:43AM -0500, Patrick J. Volkerding wrote: On 06/26/2010 07:58 AM, David Spencer wrote: I'm doing a SlackBuild for Luminance HDR. Its compiler flags assume that SSE2 instructions are available. That's a bad assumption, but it's easy to make it configurable

Re: [Slackbuilds-users] Updates - 20100623.1

2010-06-26 Thread Niels Horn
2010/6/26 Ozan Türkyılmaz ozan.turkyil...@gmail.com: 2010/6/25 King Beowulf kingbeow...@gmail.com: Seconded.  SBo are a great bunch...without them I might have to revert to *shudder* debian or ubuntu! Free beers for all, if any of you stop by Portland OR USA. i'm offering Rakı for anyone

Re: [Slackbuilds-users] Updates - 20100623.1

2010-06-26 Thread Ozan Türkyılmaz
2010/6/26 Niels Horn niels.h...@gmail.com: 2010/6/26 Ozan Türkyılmaz ozan.turkyil...@gmail.com: 2010/6/25 King Beowulf kingbeow...@gmail.com: Seconded.  SBo are a great bunch...without them I might have to revert to *shudder* debian or ubuntu! Free beers for all, if any of you stop by

Re: [Slackbuilds-users] sse2 optimisation

2010-06-26 Thread David Spencer
Wow, thanks for all the replies, reading them was great. Is that why trolls troll? :D Anyway, if in doubt, go with the guy who calls the shots: In that case, I'd say enable it on x86_64 and leave it out of everything else. -RW Thanks, -Dave S.