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GPU crunching question

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Devaster:

--- Quote from: BenHer on 29 Jan 2007, 05:45:45 pm ---

Is the GPU kept busy enough by the version, or is the GPU idle some percentage of the time?

--- End quote ---

for now i dont have tested it i must install nvperfhud for doing it .... :P

Simon:
Good luck, sounds interesting!

Keep us posted.

Regards,
Simon.

citroja:
need any test machines (or cards)??

7800GTX ready and waiting

-citroja

Devaster:
for now changing from brook to rapidmind backend ... be patient :-X

Devaster:
here are numbers from fft test under rapidmind :

RapidMind 2D FFT Benchmark
===============================================
Size: 256 x 256 = 2^8 x 2^8
Radix: 4 = 2^2
Total number of floating point operations: 5.24288e+006

Run timings, to and from host (in ms):

Average execution time: 11.8233ms
Overall average execution time: 11.8287ms
Minimum execution time: 10.8905ms
Average Mflops: 443.437
Peak Mflops: 481.419

Run timings, GPU-local (in ms):

Average execution time: 9.78332ms
Overall average execution time: 9.7893ms
Minimum execution time: 9.24811ms
Average Mflops: 535.9
Peak Mflops: 566.913

nice isnt ? (nvidia6600 300/600 MHz)

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