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Add support for 8da4w quantization #884

Merged
merged 1 commit into from
Apr 30, 2024
Merged

Add support for 8da4w quantization #884

merged 1 commit into from
Apr 30, 2024

Commits on Apr 26, 2024

  1. Add support for 8da4w quantization 

    Summary: Add a new quantization for users to quantize their
models using int8 per token dynamic activation + int4 per
axis grouped weight quantization.

Test Plan:
tune run quantize --config quantization quantizer._component_=torchtune.utils.quantization.Int8DynActInt4WeightQuantizer quantizer.groupsize=256

Reviewers: jerryzh168, kartikayk, ebsmothers

Subscribers: jerryzh168, kartikayk, ebsmothers, supriyar
    @andrewor14
    andrewor14 committed Apr 26, 2024
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