[JIT] Restore the previous division behavior in per-token group quantization (#32616)

Co-authored-by: hjzhang <zhanghjzzz@qq.com>
2026-07-28 17:56:36 +08:00
parent 2b6e01c673
commit dde03d7c4a
1 changed files with 1 additions and 1 deletions
@@ -305,7 +305,7 @@ struct QuantTrait {
    } else {
      // fp32 scale: multiply in fp32 (hmul2 brings too much precision loss)
      scale_inv = raw_scale;
-      const float quant_scale = kMaxValue * __frcp_rn(amax);
+      const float quant_scale = kMaxValue / amax;
      const float2 quant_scale2 = {quant_scale, quant_scale};
 #pragma unroll
      for (uint32_t i = 0; i < kVecSize / 2; ++i) {