zhengruifeng opened a new pull request, #36437: URL: https://github.com/apache/spark/pull/36437
### What changes were proposed in this pull request? 1, add a new impl of kmeans which can use GEMM to accelerate the training; 2, add a new param `solver` to control the code path, by default it is `auto`, which will choose the underlying impls based on the dataset sparsity. ### Why are the changes needed? on dense dataset, it could be 30% ~ 3x faster than existing impl ### Does this PR introduce _any_ user-facing change? yes, new params added ### How was this patch tested? updated testsuites -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
