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Expand sanity checks #905

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merged 2 commits into from
Dec 6, 2022
Merged

Expand sanity checks #905

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2136fbe
Expand sanity checks
muellerzr Dec 6, 2022
f2cda46
multi_cpu to cpu
muellerzr Dec 6, 2022
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8 changes: 6 additions & 2 deletions src/accelerate/commands/launch.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1002,8 +1002,12 @@ def sagemaker_launcher(sagemaker_config: SageMakerConfig, args):

def launch_command(args):
# Sanity checks
if sum([args.multi_gpu, args.tpu, args.use_deepspeed, args.use_fsdp]) > 1:
raise ValueError("You can only pick one between `--multi_gpu`, `--use_deepspeed`, `--tpu`, `--use_fsdp`.")
if sum([args.multi_gpu, args.cpu, args.tpu, args.mps, args.use_deepspeed, args.use_fsdp]) > 1:
raise ValueError(
"You can only use one of `--cpu`, `--multi_gpu`, `--mps`, `--tpu`, `--use_deepspeed`, `--use_fsdp` at a time."
)
if args.multi_gpu and args.num_processes < 2:
raise ValueError("You need to use at least 2 processes to use `--multi_gpu`.")

defaults = None
warned = []
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