Fixed a bug that occured only in different optimization settings: intermediate values for the MDLSTM backward path are now only allocated once. This should also result in a major speedup.
Fixed a bug that occured only in different optimization settings: intermediate values for the MDLSTM backward path are now only allocated once. This should also result in a major speedup.

bayerj/arac,bayerj/arac,bayerj/arac