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| author | Nicolas Vigier <boklm@mageia.org> | 2013-04-14 13:46:12 +0000 |
|---|---|---|
| committer | Nicolas Vigier <boklm@mageia.org> | 2013-04-14 13:46:12 +0000 |
| commit | 1be510f9529cb082f802408b472a77d074b394c0 (patch) | |
| tree | b175f9d5fcb107576dabc768e7bd04d4a3e491a0 /zarb-ml/mageia-dev/2012-December/020569.html | |
| parent | fa5098cf210b23ab4f419913e28af7b1b07dafb2 (diff) | |
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| -rw-r--r-- | zarb-ml/mageia-dev/2012-December/020569.html | 113 |
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diff --git a/zarb-ml/mageia-dev/2012-December/020569.html b/zarb-ml/mageia-dev/2012-December/020569.html new file mode 100644 index 000000000..f120e421c --- /dev/null +++ b/zarb-ml/mageia-dev/2012-December/020569.html @@ -0,0 +1,113 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> +<HTML> + <HEAD> + <TITLE> [Mageia-dev] Clanlib2 and SSE2 on i586 + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Clanlib2%20and%20SSE2%20on%20i586&In-Reply-To=%3CCA%2BCX%2BbjcQyKnbLLzntmZQuFbCrCGv4kLgstx6shmGGfd40T7Xw%40mail.gmail.com%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="020568.html"> + <LINK REL="Next" HREF="020570.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[Mageia-dev] Clanlib2 and SSE2 on i586</H1> + <B>Pascal Terjan</B> + <A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20Clanlib2%20and%20SSE2%20on%20i586&In-Reply-To=%3CCA%2BCX%2BbjcQyKnbLLzntmZQuFbCrCGv4kLgstx6shmGGfd40T7Xw%40mail.gmail.com%3E" + TITLE="[Mageia-dev] Clanlib2 and SSE2 on i586">pterjan at gmail.com + </A><BR> + <I>Tue Dec 4 19:08:42 CET 2012</I> + <P><UL> + <LI>Previous message: <A HREF="020568.html">[Mageia-dev] Clanlib2 and SSE2 on i586 +</A></li> + <LI>Next message: <A HREF="020570.html">[Mageia-dev] Clanlib2 and SSE2 on i586 +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#20569">[ date ]</a> + <a href="thread.html#20569">[ thread ]</a> + <a href="subject.html#20569">[ subject ]</a> + <a href="author.html#20569">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>On Tue, Dec 4, 2012 at 6:00 PM, Jose Jorge <<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">lists.jjorge at free.fr</A>> wrote: +><i> Le 04/12/2012 13:21, Pascal Terjan a écrit : +</I>>><i> +</I>>><i> On Tue, Dec 4, 2012 at 12:10 PM, AL13N<<A HREF="https://www.mageia.org/mailman/listinfo/mageia-dev">alien at rmail.be</A>> wrote: +</I>>>>><i> +</I>>>>><i> The code should really be complied but only enabled at runtime if it's +</I>>>>><i> +</I>>>>><i> available. PulseAudio does this. It's more of a pain to code for but +</I>>>>><i> does make like easier for distributions. +</I>>>>><i> +</I>>>>><i> But yeah, short term fix, nuke the test, and as a meme says, keep calm +</I>>>>><i> and carry on. +</I>><i> +</I>><i> +</I>><i> It is not only a test, it is a crash. +</I> +It is a crash because the code says to crash if there is no sse2. + +>>><i> +</I>>>><i> but, do ALL recent i586 CPU's have SSE2? what about the embedded and VIA +</I>>>><i> cpu's and the likes? +</I>><i> +</I>><i> +</I>><i> <A HREF="http://en.wikipedia.org/wiki/SSE2#CPUs_supporting_SSE2">http://en.wikipedia.org/wiki/SSE2#CPUs_supporting_SSE2</A> +</I>><i> +</I>><i> +</I>>><i> +</I>>><i> The test is that it refuses to run if the lib is not using sse2 while +</I>>><i> it could (slowly). +</I>>><i> +</I>>><i> The clanSWRender lib needs to be fixed to have sse2 support on sse2 +</I>>><i> system and not on non sse2 systems so that we can enable it but that's +</I>>><i> something unrelated to dropping this test. +</I>><i> +</I>><i> +</I>><i> No, the clanSWRender has only a SSE2 implementation because no one wants to +</I>><i> write a SW render which is too slow. +</I>><i> <A HREF="http://lists.debian.org/debian-devel-games/2012/03/msg00076.html">http://lists.debian.org/debian-devel-games/2012/03/msg00076.html</A> +</I> +The message complains that your CPU has SSE2 but it can not use it as +clanSWRender was built without support from it. +How can it be built without support for SSE2 if it is not optional ? + +><i> I wonder if we could enable for now SSE2, till upstream/somebody has a +</I>><i> better fix : for now, all SSE2 cpus crash. Enabling SSE2 it will only crash +</I>><i> on non-SSE2 cpus (older than 10 years) +</I> +The crash is in the app, are there other apps using clanSWRender which +are working fine without SSE2 but would crash if clanSWRender had SSE2 +support? +</PRE> + + + + + + + + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="020568.html">[Mageia-dev] Clanlib2 and SSE2 on i586 +</A></li> + <LI>Next message: <A HREF="020570.html">[Mageia-dev] Clanlib2 and SSE2 on i586 +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#20569">[ date ]</a> + <a href="thread.html#20569">[ thread ]</a> + <a href="subject.html#20569">[ subject ]</a> + <a href="author.html#20569">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="https://www.mageia.org/mailman/listinfo/mageia-dev">More information about the Mageia-dev +mailing list</a><br> +</body></html> |