1  #version 450
 2  
 3  #include "common.comp"
 4  
 5  layout(local_size_x = 1) in;
 6  
 7  layout (binding = 0) readonly buffer tensorInA { float inA[]; };
 8  layout (binding = 1) readonly buffer tensorInB { int inB[]; };
 9  layout (binding = 2) writeonly buffer tensorOut { float out_[]; };
10  
11  layout (push_constant) uniform parameter {
12      uint inAOff;
13      uint inBOff;
14      uint outOff;
15      int ne00;
16      int nb01;
17      int nb1;
18  } pcs;
19  
20  void dequantize_row_f32(uint x /*Based from inA unaligned*/, uint y /*Based from out_*/, int k) {
21      for (int j = 0; j < k; j++) {
22          out_[y + j] = inA[x + j];
23      }
24  }
25  
26  void main() {
27      const uint i = gl_WorkGroupID.x;
28      const int r = inB[i + pcs.inBOff];
29  
30      dequantize_row_f32(r*pcs.nb01/4 + pcs.inAOff, i*pcs.nb1/4 + pcs.outOff, pcs.ne00);
31  }