ColossalAI

Author	SHA1	Message	Date
HELSON	63fbba3c19	[zero] add L2 gradient clipping for ZeRO (#2112 ) * [zero] add L2 gradient clipping * [testing] add MlpModel * [zero] add unit test for grad clipping * fix atol	2022-12-09 18:09:17 +08:00
HELSON	c6a1a62636	[hotfix] fix zero's incompatibility with checkpoint in torch-1.12 (#1786 ) * [hotfix] fix zero's incompatibility with checkpoint in torch-1.12 * [zero] add cpu shard init * [zero] add tiny example test * [colo_tensor] fix bugs for torch-1.11	2022-11-02 16:11:34 +08:00
HELSON	1468e4bcfc	[zero] add constant placement policy (#1705 ) * fixes memory leak when paramter is in fp16 in ZeroDDP init. * bans chunk releasement in CUDA. Only when a chunk is about to offload, it is allowed to release. * adds a constant placement policy. With it, users can allocate a reserved caching memory space for parameters.	2022-10-14 17:53:16 +08:00
HELSON	b28991dd0a	[feature] A new ZeRO implementation (#1644 )	2022-10-09 09:18:51 +08:00
Jiarui Fang	c5d39215f6	Revert "[feature] new zero implementation (#1623 )" (#1643 ) This reverts commit `5be118f405`.	2022-09-26 10:06:03 +08:00
HELSON	5be118f405	[feature] new zero implementation (#1623 )	2022-09-24 19:58:18 +08:00