Batched SVD support for ROCSOLVER and CUSOLVER - #275
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kshyatt wants to merge 2 commits into
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TODOs here:
Since I'll be out for 3 weeks everyone should feel free to just push to this. |
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Basically what it says on the tin. For CTMRG and other algorithms, we're getting absolutely slaughtered on GPU performance for TensorMaps with sectors because we have to spin up huge numbers of very small SVDs. I'm wrapping the batched SVDs each library provides to try to address this. Extremely open to comments but I wanted to get this rolling so I can unblock others.