[ML] Avoid copies and redundant event loops in the RDataLoader - #23761

[ML] Avoid copies and redundant event loops in the RDataLoader#23761

siliataider merged 8 commits into

root-project:masterroot-project/root:masterfrom

siliataider:rdataloader-opt-batchingsiliataider/root:rdataloader-opt-batchingCopy head branch name to clipboard