Brunobkr/llama.cpp_AlgMor24_github

1#version 4502 3#include "generic_head.glsl"4#include "types.glsl"5 6#extension GL_EXT_control_flow_attributes : enable7 8#define FLT_MAX 3.402823466e+38F9 10layout(local_size_x_id = 0, local_size_y = 1, local_size_z = 1) in;11 12layout (binding = 0) readonly buffer A {A_TYPE data_a[];};13layout (binding = 1) writeonly buffer D {D_TYPE data_d[];};14 15layout (constant_id = 0) const uint BLOCK_SIZE = 32;16 17shared FLOAT_TYPE tmpmax[BLOCK_SIZE];18shared uint tmp[BLOCK_SIZE];19 20void main() {21    const uint row = gl_WorkGroupID.z * 262144 + gl_WorkGroupID.y * 512 + gl_WorkGroupID.x;22    const uint col = gl_LocalInvocationID.x;23 24    if (row >= p.KY) {25        return;26    }27 28    A_TYPE amax = -FLT_MAX;29    uint acol = col;30 31    if (col < p.KX) {32        amax = data_a[row*p.KX + col];33    }34 35    for (uint i = col + BLOCK_SIZE; i < p.KX; i += BLOCK_SIZE) {36        A_TYPE val = data_a[row*p.KX + i];37        if (val > amax) {38            amax = val;39            acol = i;40        }41    }42 43    tmp[col] = acol;44    tmpmax[col] = amax;45 46    barrier();47    [[unroll]] for (int s = int(BLOCK_SIZE) / 2; s > 0; s >>= 1) {48        if (col < s && col + s < p.KX) {49            if (tmpmax[col] < tmpmax[col + s]) {50                tmpmax[col] = tmpmax[col + s];51                tmp[col] = tmp[col + s];52            }53        }54        barrier();55    }56 57    if (col == 0) {58        data_d[row] = D_TYPE(tmp[0]);59    }60}61