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Offload all gradients to nvme #2282

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Merged
tjruwase merged 5 commits into from
Sep 5, 2022
Merged

Offload all gradients to nvme #2282

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843821f
Offload all gradients to nvme
tjruwase Sep 1, 2022
de46473
Merge branch 'master' into olruwase/nvme_finetune
tjruwase Sep 1, 2022
aed6eaf
Merge branch 'master' into olruwase/nvme_finetune
tjruwase Sep 1, 2022
1b2ab39
Merge branch 'master' into olruwase/nvme_finetune
tjruwase Sep 4, 2022
51f817f
Merge branch 'master' into olruwase/nvme_finetune
tjruwase Sep 4, 2022
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4 changes: 2 additions & 2 deletions deepspeed/runtime/zero/stage3.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1239,6 +1239,8 @@ def complete_grad_norm_calculation_for_cpu_offload(self, params):
def __partition_grads(self,
params_to_release: List[Parameter],
grad_partitions: List[Tensor]) -> None:
offload_fp32_gradients = {}
offload_fp32_offsets = {}
for param, grad_partition in zip(params_to_release, grad_partitions):
if param.partition_numel() * dist.get_rank(
self.dp_process_group) > param.ds_numel:
Expand Down Expand Up @@ -1280,8 +1282,6 @@ def __partition_grads(self,
# offload the gradient partition if applicable
if self.offload_optimizer:
i, dest_offset, _ = self.grad_position[self.get_param_id(param)]
offload_fp32_gradients = {}
offload_fp32_offsets = {}

if self.is_gradient_accumulation_boundary:
self.norm_for_param_grads[self.get_param_id(
Expand Down