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Posts by dylansheils0241

1) Message boards : News : New Poll Regarding GPU Application of N-Body (Message 71007)
Posted 22 Jul 2021 by dylansheils0241
Post:
At the moment, the OpenCL code is targeted to AMD and Nvidia cards only.
2) Message boards : News : New Poll Regarding GPU Application of N-Body (Message 71005)
Posted 22 Jul 2021 by dylansheils0241
Post:
To clarify, running the GPU was testing doing the same task as the CPU. AMD GPUs from a purely teraflop performance standpoint should preform much faster than the RTX 3070 when simply looking at spec sheet as AMD invests more into this feature, however it remains to be seen weather this advantage will be realized in practice. The main idea here is to recognize that if the GPU and CPU are doing the same amount of work and an average computer has both a GPU and CPU; it is likely to double the amount of computation preformed overall on part of the network. I would like to point out that, although this slightly effects CPU performance, it is a minimal cost as the CPU section of the GPU code is designed to be lightweight and serve only for control purposes; this fact was realized when testing running both at the same time. If anyone wants to get an idea of performance for their specific system, the Github repo does have a working version of the GPU code although it does not support as many features like the LMC at the moment.
3) Message boards : News : New Poll Regarding GPU Application of N-Body (Message 70997)
Posted 22 Jul 2021 by dylansheils0241
Post:
The comparison was between a RTX 3090 and i9-10900K, using all compute cores for each platform. You are, additionally, correct AMD typically invests more in FP64 performance for consumer cards than Nvidia; I, myself, am quite curious to see how AMD cards preform.
4) Message boards : News : New Poll Regarding GPU Application of N-Body (Message 70994)
Posted 22 Jul 2021 by dylansheils0241
Post:
The comparison specifically preformed was between a i9-10900k and RTX 3070, using all available compute cores for both.




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