Speed up on GPUs #1474
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nhartman94
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One thing to note is that there is some (small) time required to transfer data over to the GPU. You should try benchmarking I have a (ATLAS-only) workspace that takes at least an hour to converge using the CPU, but about 40 seconds w/ a GPU. There's certainly a lot of factors involved to make this happen. |
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Hello! Following some very helpful feedback on pyhf GPU support in
#896
and
#1244
I tested out some limits w/ different #s of channels (and combination of histosys and shapesys NPs) to see the timing comparisons.
The following table shows the root finding time (in min), and I was a bit confused why the gpu wasn't speeding thing up, or what would be nice x-checks to do.
(The "zeros" entries on the table timed out after 15 hrs)
Ty so much!!
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