8b47fce07a
Import simpler matmul shaders from the kompute backend and use them on GPUs know to not be able to use the regular ones. Signed-off-by: Sergio Lopez <slp@redhat.com>
51 lines
1.3 KiB
Text
51 lines
1.3 KiB
Text
#version 450
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#include "simpler_common.comp"
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#extension GL_KHR_shader_subgroup_arithmetic : require
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#extension GL_EXT_debug_printf : enable
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// device subgroup size
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layout (local_size_x_id = 0) in;
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layout(binding = 0) readonly buffer tensorInA { float inA[]; };
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layout(binding = 1) readonly buffer tensorInB { float inB[]; };
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layout(binding = 2) writeonly buffer tensorOut { float out_[]; };
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layout(push_constant) uniform parameter {
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uint inAOff;
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uint inBOff;
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uint outOff;
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int ne00;
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int ne01;
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int ne02;
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int ne11;
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int ne12;
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uint nb01;
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uint nb02;
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uint nb11;
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uint nb12;
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uint nb1;
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uint nb2;
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}
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pcs;
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void main() {
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uvec3 gid = gl_WorkGroupID;
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uint bc_ab = pcs.ne12 > pcs.ne02 ? gid.z / (pcs.ne12 / pcs.ne02) : gid.z;
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uint bc_ba = pcs.ne02 > pcs.ne12 ? gid.z / (pcs.ne02 / pcs.ne12) : gid.z;
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const uint x = (gid.x*pcs.nb01 + bc_ab*pcs.nb02) / 4 + pcs.inAOff; // Based from inA
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const uint y = (gid.y*pcs.nb11 + bc_ba*pcs.nb12) / 4 + pcs.inBOff; // based from inB
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float sum = 0.0f;
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for (uint i = gl_SubgroupInvocationID.x; i < pcs.ne00; i += gl_SubgroupSize) {
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sum += float(inA[x+i]) * float(inB[y+i]);
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}
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const float all_sum = subgroupAdd(sum);
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if (subgroupElect()) {
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out_[gid.z*(pcs.nb2/4) + gid.y*(pcs.nb1/4) + gid.x + pcs.outOff] = all_sum;
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}
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}
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