add int4tensor support for safetensors#3056
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🔗 Helpful Links🧪 See artifacts and rendered test results at hud.pytorch.org/pr/pytorch/ao/3056
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jerryzh168
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looks good, we can add all the configs we want to first, and then can follow up with a PR trying to enable for all TorchAOBaseTensor I think
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please include at least a |
jerryzh168
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need to extend the code to work with optional tensor attributes
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jerryzh168
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Sep 24, 2025
**Summary** adding `Int4Tensor` support for safetensors (`Int4WeightOnlyConfig`) **Test plan** modified unit test to include `Int4WeightOnlyConfig` `python test/prototype/safetensors/test_safetensors_support.py` [ghstack-poisoned]
jerryzh168
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Sep 24, 2025
**Summary** adding `Int4Tensor` support for safetensors (`Int4WeightOnlyConfig`) **Test plan** modified unit test to include `Int4WeightOnlyConfig` `python test/prototype/safetensors/test_safetensors_support.py` [ghstack-poisoned]
**Summary** adding `Int4Tensor` support for safetensors (`Int4WeightOnlyConfig`) **Test plan** modified unit test to include `Int4WeightOnlyConfig` `python test/prototype/safetensors/test_safetensors_support.py` [ghstack-poisoned]
**Summary** adding `Int4Tensor` support for safetensors (`Int4WeightOnlyConfig`) **Test plan** modified unit test to include `Int4WeightOnlyConfig` `python test/prototype/safetensors/test_safetensors_support.py` [ghstack-poisoned]
This was referenced Sep 25, 2025
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Summary
adding
Int4Tensorsupport for safetensors (Int4WeightOnlyConfig)Test plan
modified unit test to include
Int4WeightOnlyConfigpython test/prototype/safetensors/test_safetensors_support.pyStack from ghstack (oldest at bottom):