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it could very easily run double precision, but then they'd have to use their tesla cards to run it, and at several thousand dollars a piece, wont be quite as at
by foxhill 12y ago
it could very easily run double precision, but then they'd have to use their tesla cards to run it, and at several thousand dollars a piece, wont be quite as attractive to the user..
- gh02t 12y agoUh most recent Nvidia GPUs support double precision, albeit at a speed penalty. And they are using a Tesla card in the article. It says they are using a K10.
- foxhill 12y agoof course they all can do double, but at 1/24th of the speed of single. (1/32th in maxwell) they use a GK104 based tesla, i.e a "dual GPU" GTX680, so it has no real double precision. unless you consider 2x 95GFlops noteworthy.
- wtallis 12y agoConsumer GPUs can do double-precision. At the high end, consumer parts usually (though not always) get crippled performance relative to their pro counterparts, but for the low and mid-range chips even the workstation cards have lackluster double-precision performance.
- foxhill 12y agowell, yes, technically correct, but a CPU has much better double precision performance than that. 1/24th (or 1/32th in maxwell) of single precision performance doesn't really sell the usefulness of CUDA.