gguf-tools: Q4_K dequantization uses the wrong scale for half of each block

Reported · high · Wrong-result bug

The high-nibble weights of each Q4_K block use the scale and min of the earlier sub-block. The code dequantizes half of every Q4_K tensor with wrong values and gives no error.

Found: ; reported: ; status since: . Reporter: Maksim Borisov

Page for this report · Public report · Fix or proposed fix (see status)

Open in the showcase. Record generated .