41 lines
723 B
Plaintext
41 lines
723 B
Plaintext
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/*
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Copied from https://github.com/turboderp/exllamav2
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*/
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#ifndef _qdq_8_cuh
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#define _qdq_8_cuh
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#include "qdq_util.cuh"
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namespace vllm {
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namespace gptq {
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__forceinline__ __device__ void shuffle_8bit_4
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(
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uint32_t* q,
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int stride
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)
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{
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}
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__forceinline__ __device__ void dequant_8bit_8
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(
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const uint32_t q_0,
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const uint32_t q_1,
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half2 (&dq)[4],
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int stride,
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const uint32_t zero
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)
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{
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half dqh[8];
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for (int i = 0; i < 4; i++) dqh[i ] = dq_ns(exb(q_0, i * 8, 0xff), zero);
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for (int i = 0; i < 4; i++) dqh[i + 4] = dq_ns(exb(q_1, i * 8, 0xff), zero);
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for (int i = 0; i < 4; i++) dq[i] = __halves2half2(dqh[i * 2], dqh[i * 2 + 1]);
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}
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} // namespace gptq
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} // namespace vllm
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#endif
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