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Model parallel #538

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merged 3 commits into from
Sep 13, 2023
Merged

Model parallel #538

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8df288d
model-parallel for single process
winglian Sep 7, 2023
04625e0
fix device/device_map
winglian Sep 7, 2023
8ff0109
fix handling for device
winglian Sep 7, 2023
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2 changes: 1 addition & 1 deletion src/axolotl/utils/bench.py
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Original file line number Diff line number Diff line change
Expand Up @@ -28,7 +28,7 @@ def gpu_memory_usage_smi(device=0):


def log_gpu_memory_usage(log, msg, device):
if not torch.cuda.is_available():
if not torch.cuda.is_available() or device == "auto":
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not able to determine the device to log gpu stats for

return (0, 0, 0)

usage, cache, misc = gpu_memory_usage_all(device)
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4 changes: 3 additions & 1 deletion src/axolotl/utils/config.py
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Expand Up @@ -25,7 +25,9 @@ def get_device():
return "cpu"

cfg.device = get_device()
if cfg.device_map != "auto":
if cfg.world_size == 1:
cfg.device_map = "auto"
else:
if cfg.device.startswith("cuda"):
cfg.device_map = {"": cfg.local_rank}
else:
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