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weight only int4 is slower than cutlass int4 #362
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You can compile your own operator interface implemented with pybind, and accelerate the inference by modifying the source code to replace the implementation used during inference. |
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https://github.com/ModelTC/lightllm/blob/main/lightllm/common/basemodel/triton_kernel/dequantize_gemm_int4.py
The algorithm in the above file implements weight only int4, but its speed is only 50% of cutpass int4. How can this be resolved?
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