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Date:      Thu, 13 Feb 2003 23:13:19 +0100 (CET)
From:      Marco Beishuizen <marco@beishuizen.info>
To:        Jan Lentfer <Jan.Lentfer@web.de>
Cc:        FreeBSD alpha mailing list <alpha@FreeBSD.ORG>
Subject:   Re: Why is XFree86 on FreeBSD/Alpha much slower?
Message-ID:  <Pine.BSF.4.53.0302132303200.17772@tsunami.bsd>
In-Reply-To: <1045138456.618.5.camel@neslonek>
References:  <Pine.BSF.4.53.0302112042190.294@tsunami.bsd> <15945.23721.759825.313603@grasshopper.cs.duke.edu> <Pine.BSF.4.53.0302112129370.294@tsunami.bsd> <15945.24538.794799.926276@grasshopper.cs.duke.edu> <Pine.BSF.4.53.0302112147000.294@tsunami.bsd> <15945.25465.768071.583030@grasshopper.cs.duke.edu> <Pine.BSF.4.53.0302112200580.294@tsunami.bsd> <15945.26349.357142.151047@grasshopper.cs.duke.edu> <Pine.BSF.4.53.0302112216160.294@tsunami.bsd> <15945.27540.655333.324376@grasshopper.cs.duke.edu> <Pine.BSF.4.53.0302112332001.420@tsunami.bsd> <1045138456.618.5.camel@neslonek>

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On Thu, 13 Feb 2003, the wise Jan Lentfer spoke, and said:

> Hi all,
>
> I tried to gather some numbers so one can compare the graphic
> performance of 32bit vs. 64bit slot.
> I did "x11perf -all" on a PWS 500a, Debian Linux 2.4.20, Xfree 4.2.1,
> ATI Radeon with DRI.
>
> Here are the results from x11perfcomp:
>
> lentferj@neslonek:~$ x11perfcomp -r ati32bit ati64bit
> 1: ati32bit
> 2: ati64bit
>
>     1              2           Operation
> --------   -----------------   -----------------
> 2140000.0   4880000.0 (  2.28)   Dot
> 1170000.0   1190000.0 (  1.02)   1x1 rectangle
> 1170000.0   1180000.0 (  1.01)   10x10 rectangle
>  32700.0    32700.0 (  1.00)   100x100 rectangle
>   1520.0     1530.0 (  1.01)   500x500 rectangle
> 691000.0   715000.0 (  1.03)   1x1 stippled rectangle (8x8 stipple)
> 633000.0   632000.0 (  1.00)   10x10 stippled rectangle (8x8 stipple)
>  10500.0    10900.0 (  1.04)   100x100 stippled rectangle (8x8 stipple)
>    350.0      352.0 (  1.01)   500x500 stippled rectangle (8x8 stipple)
> 683000.0   714000.0 (  1.05)   1x1 opaque stippled rectangle (8x8
> stipple)
> 673000.0   690000.0 (  1.03)   10x10 opaque stippled rectangle (8x8
> stipple)
>  18400.0    18000.0 (  0.98)   100x100 opaque stippled rectangle (8x8
> stipple)
>    839.0      749.0 (  0.89)   500x500 opaque stippled rectangle (8x8
> stipple)
> 678000.0   696000.0 (  1.03)   1x1 tiled rectangle (4x4 tile)
> 667000.0   685000.0 (  1.03)   10x10 tiled rectangle (4x4 tile)
>  18400.0    18100.0 (  0.98)   100x100 tiled rectangle (4x4 tile)
>    748.0      749.0 (  1.00)   500x500 tiled rectangle (4x4 tile)
> 709000.0   720000.0 (  1.02)   1x1 stippled rectangle (17x15 stipple)
> 664000.0   674000.0 (  1.02)   10x10 stippled rectangle (17x15 stipple)
>  11000.0    11000.0 (  1.00)   100x100 stippled rectangle (17x15
> stipple)
>    363.0      363.0 (  1.00)   500x500 stippled rectangle (17x15
> stipple)
> 709000.0   713000.0 (  1.01)   1x1 opaque stippled rectangle (17x15
> stipple)
> 679000.0   700000.0 (  1.03)   10x10 opaque stippled rectangle (17x15
> stipple)
>  18400.0    18500.0 (  1.01)   100x100 opaque stippled rectangle (17x15
> stipple)
>    746.0      785.0 (  1.05)   500x500 opaque stippled rectangle (17x15
> stipple)
> 708000.0   724000.0 (  1.02)   1x1 tiled rectangle (17x15 tile)
> 679000.0   698000.0 (  1.03)   10x10 tiled rectangle (17x15 tile)
>  18300.0    18500.0 (  1.01)   100x100 tiled rectangle (17x15 tile)
>    731.0      785.0 (  1.07)   500x500 tiled rectangle (17x15 tile)
> 737000.0   752000.0 (  1.02)   1x1 stippled rectangle (161x145 stipple)
> 692000.0   692000.0 (  1.00)   10x10 stippled rectangle (161x145
> stipple)
>  12800.0    12500.0 (  0.98)   100x100 stippled rectangle (161x145
> stipple)
>    400.0      407.0 (  1.02)   500x500 stippled rectangle (161x145
> stipple)
> 740000.0   755000.0 (  1.02)   1x1 opaque stippled rectangle (161x145
> stipple)
> 721000.0   731000.0 (  1.01)   10x10 opaque stippled rectangle (161x145
> stipple)
>  18900.0    19300.0 (  1.02)   100x100 opaque stippled rectangle
> (161x145 stipple)
>    805.0      847.0 (  1.05)   500x500 opaque stippled rectangle
> (161x145 stipple)
> 740000.0   754000.0 (  1.02)   1x1 tiled rectangle (161x145 tile)
> 720000.0   737000.0 (  1.02)   10x10 tiled rectangle (161x145 tile)
>  18900.0    18300.0 (  0.97)   100x100 tiled rectangle (161x145 tile)
>    805.0      788.0 (  0.98)   500x500 tiled rectangle (161x145 tile)
> 739000.0   755000.0 (  1.02)   1x1 tiled rectangle (216x208 tile)
> 725000.0   742000.0 (  1.02)   10x10 tiled rectangle (216x208 tile)
>  18300.0    17600.0 (  0.96)   100x100 tiled rectangle (216x208 tile)
>    808.0      782.0 (  0.97)   500x500 tiled rectangle (216x208 tile)
> 1080000.0   1160000.0 (  1.07)   1-pixel line segment
> 1240000.0   1280000.0 (  1.03)   10-pixel line segment
> 427000.0   428000.0 (  1.00)   100-pixel line segment
>  86300.0    86500.0 (  1.00)   500-pixel line segment
> 424000.0   439000.0 (  1.04)   100-pixel line segment (1 kid)
> 328000.0   352000.0 (  1.07)   100-pixel line segment (2 kids)
>
>
> I put the graphic card in the lower one of the two 64bit slot. Would it
> make any difference it I put in the upper of the two?

Hi,

This doesn't look like a big performance improvement. My experience
changing to the 64-bit slot is that graphics is a lot faster now
(certainly more than a few procent). Especially working with PDF's and in
Gimp. Even browsing the web has improved. Perhaps it makes a difference
which graphic card is being used.

Marco

P.S. My graphic card is put in the upper slot :-)
-- 
Overdrawn?  But I still have checks left!

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