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ggml-cpu: use UE4M3 LUT in ARM NVFP4 dot product (llama/25331)

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ragz4125
2026-07-10 13:06:42 +03:00
committed by Georgi Gerganov
parent ce2c003f17
commit 7d8e64fe37
2 changed files with 6 additions and 6 deletions
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ggml/src/ggml-cpu/simd-mappings.h
+2 -2
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@@ -131,8 +131,8 @@ extern float ggml_table_f32_ue4m3[1 << 8];
#define GGML_CPU_E8M0_TO_FP32_HALF(x) GGML_E8M0_TO_FP32_HALF(x)
#endif
// Use lookup table for UE4M3 on x86 (faster than bit manipulation)
#if defined(__AVX__) || defined(__AVX2__) || defined(__AVX512F__)
// Use lookup table for UE4M3 on x86 and ARM (faster than bit manipulation)
#if defined(__AVX__) || defined(__AVX2__) || defined(__AVX512F__) || defined(__ARM_NEON)
#define GGML_CPU_UE4M3_TO_FP32(x) ggml_table_f32_ue4m3[(uint8_t)(x)]
#else
#define GGML_CPU_UE4M3_TO_FP32(x) ggml_ue4m3_to_fp32(x)