d0c3e9f1f7
### What changes were proposed in this pull request? 1, use blocks instead of vectors for performance improvement 2, use Level-2 BLAS 3, move standardization of input vectors outside of gradient computation ### Why are the changes needed? 1, less RAM to persist training data; (save ~40%) 2, faster than existing impl; (30% ~ 102%) ### Does this PR introduce any user-facing change? add a new expert param `blockSize` ### How was this patch tested? updated testsuites Closes #27396 from zhengruifeng/blockify_lireg. Authored-by: zhengruifeng <ruifengz@foxmail.com> Signed-off-by: Sean Owen <srowen@gmail.com> |
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