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  1. shadertoy.com works perfectly for me on...

    shadertoy.com works perfectly for me on IvyBridge, latest Mesa git master, both with epiphany/webkit(git master) and chromium-ozone(on weston)
  2. It's also indicative of the difference in...

    It's also indicative of the difference in performance (or power efficiency) users see from source based distributions like Gentoo, or hardware targeted Linux deployments.
  3. Yes, but unfortunately there doesn't really seem...

    Yes, but unfortunately there doesn't really seem to be any interest... :confused:
  4. I wouldn't say clang is progressing more quickly....

    I wouldn't say clang is progressing more quickly. It was playing catch-up. (Still is in some areas.) There's still plenty of innovation going on in GCC land, and will be interesting to see how they...
  5. My feeling is the Cairo OpenVG backend never...

    My feeling is the Cairo OpenVG backend never really became popular because it is only usable with the egl_gallium EGL driver which means even for Gallium based systems it wouldn't be available with...
  6. Michael, your comment about the Intel HD...

    Michael, your comment about the Intel HD benchmark results from your earlier article was a little strange. There was only place where the Windows 8 driver was "largely leading the way", excepting...
  7. Any Gentoo users who don't mind using a live mesa...

    Any Gentoo users who don't mind using a live mesa package might like to give my beignet enabled ebuild a try:

    https://github.com/sjnewbury/gentoo-opencl

    To build with beignet you need to have...
  8. It's orthogonal to Crossfire/SLI. While...

    It's orthogonal to Crossfire/SLI. While Crossfile/SLI uses multiple GPUs to render to a single surface (which can be split over multiple screens), Shatter(/Xinerama) takes output from multiple GPUs...
  9. The Rage XL was a low voltage Rage Pro with a die...

    The Rage XL was a low voltage Rage Pro with a die shrink, it was part of the Mach64 family. That isn't supported by the Rage 128 driver.
  10. Thanks, I'll look into that. I'm pretty sure the...

    Thanks, I'll look into that. I'm pretty sure the tools weren't around when I first merged the phc driver. Doesn't seem to be anything in portage, so I guess I'll be adding something new to my...
  11. I've been running a server with a Phenom II 965...

    I've been running a server with a Phenom II 965 X4 for the last few years. I keep it pretty up to date, new kernel every six months or so to which I have ported the K8 PHC cpufreq driver. (I merged...
  12. The beignet devs haven't really put any time into...

    The beignet devs haven't really put any time into performance work as of yet, they've been working on ocl-1.1/1.2 coverage. However, quite likely the problem here is due to gpu lock-ups (which I get...
  13. Gentoo Overlay

    I'm still maintaining a gentoo overlay with modified mesa ebuilds integrating beignet:

    https://github.com/sjnewbury/gentoo-opencl
  14. Gentoo DOES support systemd

    What's with all the claims that Gentoo doesn't support systemd? OpenRC is the default, but the entire point of Gentoo is you chose which USEflags *you* want. I've been using systemd on Gentoo for...
  15. llvm/clang auto-vectorizes by default, right? I...

    llvm/clang auto-vectorizes by default, right? I thought gcc did too on relevant targets at -O3, via "-ftree-vectorize", but according to "gcc -O3 -march=native -Q --help=optimizers" it doesn't!
    ...
  16. This branch enables lz4 support for btrfs:...

    This branch enables lz4 support for btrfs:
    git://repo.or.cz/linux-2.6/btrfs-unstable dev/lz4-313
  17. Journalism vs Reporting

    Do people really not understand the difference between journalism and reporting? Have people been so conditioned to only accept "official" press releases as "news", and should be reported as is;...
  18. -O3 vs -Ofast @@ -23,7 +23,7 @@ ...

    -O3 vs -Ofast

    @@ -23,7 +23,7 @@
    -fcrossjumping [enabled]
    -fcse-follow-jumps [enabled]
    -fcx-fortran-rules [disabled]
    - -fcx-limited-range ...
  19. "-Ofast" will almost certainly give you faster...

    "-Ofast" will almost certainly give you faster binaries. You just need to be sure your code is "fast-math" safe.
  20. Multilib/Multiarch works fine on Linux, and has...

    Multilib/Multiarch works fine on Linux, and has done at least since the beginning of the amd64 port. The only real issues have been lack of a standardized approach as to where to keep the...
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