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3/11/02 Monday's News: Story DetailReturn to News Page

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OS X Benchmarking Utils from Apple:
Posted: 3/11/2002
(Revised 3/13/2002 for comments on Skidmarks)

Comments on Skidmarks Benchmark: After this article was posted, I received this email with important comments regarding the Skidmarks Benchmark:
    " Hello,
    The Skidmarks benchmark seems to have captured the imagination of a lot of people. Before it 's results are misinterpreted I would like to point out a couple of things:

    1) it is a processor benchmark pure and simple - no system level stuff at all. As such it tends to scale linearly with processor frequency.

    2) it does not take advantage of dual processors at this time

    BTW - you might also note that there currently seems to be a bug where Skidmarks will occassionally report enormous scores. We'll fix this in a future release.
    Nathan Slingerland
    Apple Architecture and Performance Group "



A reader sent a link to some Apple developer tool/benchmarks for CPU, Cache and Graphics, including results of those tests with his G4/500.

" Hi Mike, Apple have just released a whole bunch of developer performance tools at:
ftp://ftp.apple.com/developer/Tool_Chest/Testing_-_Debugging
/Performance_tools/CHUD_1.1.1.pkg.tar.gz

What I thought might interest your readers is the bashpack.dmg that is installed in Developer/Applications. This disk image contains a suite of four benchmarking applications; CacheBasher for testing cache/memory bandwidth, DiskBasher for testing drive performance, GraphicsBasher for testing Quickdraw performance and Skidmarks GT for basic processor performance.

Here are the results for my machine, a 500MHz 7400, 100MHz bus with both a RagePro128 and GEForce2mx (1055 rom) and Maxtor ST159300H 30Gig 7200 hard drive:

Skidmarks results:
Skidmarks GT - Processor Performance Benchmark (c) 2002 Apple Computer, Inc.
Note: Power Mac G4/400 (PCI Graphics) = 1000 for all tests.

Gathering system information...
Starting performance tests...

Integer: 1291
Floating Point: 1288
Vector: 1268

Cachebasher result - here's results for a basic integer load and stores:

Results assume 500.0 MHz processor(s), 99.6 MHz bus, and 32 byte cache line size.
Data Type = Integer, Memory Access = Load

SIZE (bytes)  STRIDE (bytes) BUS CYCLES CPU CYCLES BANDWIDTH (MB/s) THREAD  
16384         32            0.21      1.06      1891.04         0       
28672         32            0.21      1.03      1941.50         0       
32768         32            0.25      1.25      1594.39         0       
36864         32            1.61      8.09      1978.96         0       
40960         32            1.61      8.08      1981.04         0       
49152         32            1.61      8.08      1981.06         0       
61440         32            1.61      8.06      1984.94         0       
65536         32            1.61      8.07      1983.48         0       
102400        32            1.60      8.05      1988.00         0       
204800        32            1.60      8.04      1990.32         0       
249856        32            1.60      8.04      1990.87         0       
262144        32            1.60      8.03      1991.31         0       
270336        32            1.60      8.04      1991.00         0       
302114        32            1.60      8.04      1991.29         0       
503808        32            1.60      8.04      1990.63         0       
524288        32            1.60      8.04      1990.71         0       
540672        32            1.60      8.05      1986.60         0       
786432        32            1.64      8.23      1943.30         0       
827392        32            1.64      8.24      1942.75         0       
909312        32            1.64      8.24      1941.31         0       
1007616       32            1.86      9.36      1709.54         0       
1048576       32            1.87      9.37      1708.29         0       
1089536       32            2.35      11.78     1357.66         0       
1572864       32            4.23      21.22     753.93          0       
2056192       32            4.24      21.28     751.71          0       
2097152       32            4.24      21.29     751.56          0       
4194304       32            4.24      21.29     751.36          0       
6291456       32            4.27      21.41     747.23          0       
8388608       32            4.29      21.53     743.05          0       

Results assume 500.0 MHz processor(s), 99.6 MHz bus, and 32 byte cache line size.
Data Type = Integer, Memory Access = Store To Memory

SIZE (bytes)  STRIDE (bytes) BUS CYCLES CPU CYCLES BANDWIDTH (MB/s) THREAD  
16384         32            4.55      22.82     701.22          0       
28672         32            4.55      22.83     700.86          0       
32768         32            4.57      22.92     698.20          0       
36864         32            4.56      22.88     699.33          0       
40960         32            4.56      22.87     699.75          0       
49152         32            4.56      22.88     699.19          0       
61440         32            4.56      22.89     699.11          0       
65536         32            4.56      22.90     698.80          0       
102400        32            4.56      22.90     698.79          0       
204800        32            4.56      22.91     698.41          0       
249856        32            4.57      22.91     698.40          0       
262144        32            4.57      22.91     698.27          0       
270336        32            4.57      22.91     698.28          0       
302114        32            4.57      22.91     698.25          0       
503808        32            4.57      22.92     698.09          0       
524288        32            4.57      22.92     698.19          0       
540672        32            4.57      22.93     697.85          0       
786432        32            4.58      22.99     696.01          0       
827392        32            4.58      22.99     695.94          0       
909312        32            4.58      22.99     695.89          0       
1007616       32            4.58      22.99     695.90          0       
1048576       32            4.58      22.99     695.85          0       
1089536       32            4.58      22.99     695.85          0       
1572864       32            4.58      22.99     696.00          0       
2056192       32            4.60      23.07     693.47          0       
2097152       32            4.60      23.08     693.15          0       
4194304       32            4.60      23.08     693.17          0       
6291456       32            4.62      23.18     690.26          0       
8388608       32            4.62      23.20     689.70          0    

Diskbasher results; 4k to 32Meg, Random, no chache, R/W, 100 iterations, 1 file
Results assume 500.0 MHz processor(s), 99.6 MHz bus
/ Volume: OSX, Disk Cache: 0 bytes
Carbon Version: 1.4.0, Number of iterations: 100

HFS, Alternate Read/Write, Random, File multiple: 1 
SIZE (bytes)  MAX (MB/s) MIN (MB/s) AVG (MB/s) 
4096          70.22     46.04     66.21      
8192          109.94    46.58     102.02     
16384         149.57    72.25     144.04     
32768         194.05    87.75     186.85     
65536         224.37    101.78    215.89     
131072        162.58    14.25     126.02     
262144        106.83    31.86     74.51      
524288        134.68    55.58     84.37      
1048576       108.80    52.57     69.49      
2097152       70.80     44.35     57.80      
4194304       65.27     34.87     60.58      
8388768       59.64     41.80     57.46      
16777536      53.36     44.60     52.02      
33554432      50.77     44.43     49.87     

GraphicsBasher results:
GEForce2mx results:

2D (Quickdraw) graphics performance 
ONSCREEN at 32 bit depth and 1600 x 1200 resolution: 

TEST                    CALLS PER SECOND 
Paint Rectangles        2010.3 
Erase Rectangles        2368.8 
Fill Rectangles         82.3 
Frame Rectangles        1483.8 
Invert Rectangles       7.6 
Paint Ovals             98.1 
Erase Ovals             96.6 
Fill Ovals              97.5 
Frame Ovals             1361.8 
Invert Ovals            9.6 
Paint Rounded Rect's    77.4 
Erase Rounded Rect's    77.4 
Fill Rounded Rect's     76.4 
Frame Rounded Rect's    2068.6 
Invert Rounded Rect's   7.6 
Paint Arcs              176.4 
Erase Arcs              173.2 
Fill Arcs               174.2 
Frame Arcs              1997.1 
Invert Arcs             18.1 
Paint Polygons          81.8 
Erase Polygons          81.7 
Fill Polygons           81.6 
Frame Polygons          3439.0 
Invert Polygons         8.0 
Paint Regions           42.5 
Erase Regions           42.4 
Fill Regions            42.5 
Frame Regions           1576.9 
Invert Regions          4.2 
Diagonal Lines          9860.9 
Horizontal Lines        7703.8 
Vertical Lines          12354.6 
Strings                 658.2 
Characters              917.5 
CopyBits - SrcCopy      3120.6 
CopyBits - SrcOr        178.8 
CopyBits - SrcXor       177.5 
CopyBits - SrcBic       180.3 
CopyBits - NotSrcCopy   179.4 
CopyBits - NotSrcOr     177.5 
CopyBits - NotSrcXor    179.1 
CopyBits - NotSrcBic    175.0 
CopyBits - Blend        169.3 
CopyBits - AddPin       172.4 
CopyBits - AddOver      176.5 
CopyBits - SubPin       171.8 
CopyBits - AddMax       175.0 
CopyBits - SubOver      176.6 
CopyBits - AddMin       179.0 
CopyBits - Transparent  178.0 
DrawPicture - Unscaled  250.9 
DrawPicture - Scaled    238.6 
ScrollRect              445.7 

ATI RagePro128

2D (Quickdraw) graphics performance 
ONSCREEN at 32 bit depth and 1600 x 1200 resolution: 

TEST                    CALLS PER SECOND 
Paint Rectangles        1679.7 
Erase Rectangles        1675.5 
Fill Rectangles         65.5 
Frame Rectangles        1844.5 
Invert Rectangles       9.2 
Paint Ovals             78.9 
Erase Ovals             77.1 
Fill Ovals              79.0 
Frame Ovals             1704.2 
Invert Ovals            11.6 
Paint Rounded Rect's    61.6 
Erase Rounded Rect's    61.5 
Fill Rounded Rect's     61.5 
Frame Rounded Rect's    2400.9 
Invert Rounded Rect's   9.1 
Paint Arcs              144.4 
Erase Arcs              144.5 
Fill Arcs               142.3 
Frame Arcs              1543.9 
Invert Arcs             21.7 
Paint Polygons          64.7 
Erase Polygons          65.5 
Fill Polygons           66.2 
Frame Polygons          2318.7 
Invert Polygons         9.6 
Paint Regions           34.1 
Erase Regions           34.2 
Fill Regions            34.0 
Frame Regions           2108.3 
Invert Regions          5.0 
Diagonal Lines          9824.8 
Horizontal Lines        8473.1 
Vertical Lines          12202.7 
Strings                 600.2 
Characters              819.3 
CopyBits - SrcCopy      3868.9 
CopyBits - SrcOr        223.3 
CopyBits - SrcXor       223.4 
CopyBits - SrcBic       223.3 
CopyBits - NotSrcCopy   219.3 
CopyBits - NotSrcOr     224.0 
CopyBits - NotSrcXor    223.3 
CopyBits - NotSrcBic    219.2 
CopyBits - Blend        211.0 
CopyBits - AddPin       212.7 
CopyBits - AddOver      223.7 
CopyBits - SubPin       216.5 
CopyBits - AddMax       220.1 
CopyBits - SubOver      219.0 
CopyBits - AddMin       220.5 
CopyBits - Transparent  223.5 
DrawPicture - Unscaled  237.1 
DrawPicture - Scaled    231.8 
ScrollRect              416.0 

As we can see, neither of these cards accelerates many of the Quickdraw calls - they both seem to be doing the bare essentials -- lines and SrcCopy CopyBits. You can argue whether QuickDraw results are important in these days of Quartz, but a lot of ported OS 8/9 apps will almost certainly be using it.
Best regards, Stu. "

 
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