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Improve performance of GST #305

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sserita merged 3 commits into sandialabs:develop from eendebakpt:lnd_from_vector

Aug 10, 2023

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eendebakpt commented May 11, 2023

This PR improves performance of 2-qubit GST

Vectorize LindbladCoefficientBlock.from_vector. Replacing the loop over i reduces the overhead for 2-qubit gst (where num_bels=15). In microbenchmarks this is a factor 6 faster
Replace call to _np.sum to direct call of sum(). In microbencmark this is 33% faster.

eendebakpt added 3 commits

May 11, 2023 15:23


          vectorize from_vector matrix operations

1e7427e


          replace _np.sum with direct call

3d9a55f


          whitespace

3f04b11

sserita approved these changes

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sserita merged commit 8ed0c41 into sandialabs:develop

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