[ot][spam][crazy][data] transformer model 'attention' improvement

[Undiscussed Horrific Abuse, Victim & Survivor of]

commit 1556018635522a442745afdc2094b4e58df24670 (HEAD ->
memory-efficient-attention, xloem/memory-efficient-attention)
Author: xloem <0xloem at gmail.com>
Date:   Sun Jan 30 22:09:54 2022 +0000

    unexpected crashes resolved for gptj torch, output unreviewed