free up state_dict variable memory after loading checkpoint#533
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adistomar wants to merge 1 commit intokarpathy:masterfrom
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free up state_dict variable memory after loading checkpoint#533adistomar wants to merge 1 commit intokarpathy:masterfrom
adistomar wants to merge 1 commit intokarpathy:masterfrom
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IgorTavcar
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Mar 5, 2026
Avoids keeping duplicate model weights in memory for the entire training run. Cherry-picked from karpathy#533 Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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This PR frees up memory used by the
state_dictvariable after we are done using it to load a checkpoint. Not freeing this variable uses up a lot of unnecessary memory on GPUs.