Messages in this thread | | | Subject | Re: [Linux-fbdev-devel] Re: FBdev updates. | From | Antonino Daplas <> | Date | 21 Feb 2003 18:46:44 +0800 |
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On Fri, 2003-02-21 at 17:09, Geert Uytterhoeven wrote: > On 21 Feb 2003, Antonino Daplas wrote: > > Note: I cannot test with 12x22 fonts in 2.4 because some/most drivers do > > not support it. > > Which specific drivers are you talking about? All drivers for popular cards > support fontwidth 12 (Matrox, ATI, nVidia, 3Dfx, Permedia, VESA, ...). > > You're absolutely correct, I'm wondering why I thought that :-) Here's a benchmark for 12x22, and it's 2x slower than 8x16, 2.4.x or 2.5.x. Still, the 2.5.x version is slower than 2.4.x.
Tony
no accel scrollmode: yredraw font: 12x22 visual: packed pixels
time cat /usr/src/linux/MAINTAINERS
linux 2.4.20
bpp8 ---- real 0m4.984s user 0m0.000s sys 0m4.940s
bpp16 ----- real 0m9.188s user 0m0.000s sys 0m9.090s
bpp24 ----- real 0m14.574s user 0m0.000s sys 0m14.380s
bpp32 ----- real 0m18.578s user 0m0.000s sys 0m18.390s
linux-2.5.62
bpp8 ---- real 0m5.247s user 0m0.001s sys 0m5.245s
bpp16 ----- real 0m9.640s user 0m0.001s sys 0m9.591s
bpp24 ----- real 0m15.943s user 0m0.001s sys 0m15.944s
bpp32 ----- real 0m19.653s user 0m0.002s sys 0m19.651s
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