transformers

02842855 - Fix pad across processes dim in trainer and not being able to set the timeout (#24775)

Fix pad across processes dim in trainer and not being able to set the timeout (#24775) * dim, and rm copy * Don't rm copy for now * Oops * pad index * Should be a working test * Tickle down ddp timeout * Put fix back in now that testing locally is done * Better comment specifying timeout Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com> --------- Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>