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48 lines
1.2 KiB
48 lines
1.2 KiB
struct Scalar {
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size: vec4<u32>,
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data: array<f32>,
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}
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struct MatrixBatch {
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size: vec4<u32>,
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data: array<f32>,
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}
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@group(0) @binding(0)
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var<storage, read> ds: Scalar;
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@group(0) @binding(1)
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var<storage, read> wa: MatrixBatch;
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@group(0) @binding(2)
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var<storage, read> v: MatrixBatch;
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@group(0) @binding(3)
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var<storage, read> otdldo: MatrixBatch;
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@group(0) @binding(4)
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var<storage, read_write> dlds: MatrixBatch;
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@compute @workgroup_size(1)
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fn main(@builtin(global_invocation_id) global_id: vec3<u32>) {
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dlds.size = wa.size;
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var s = 0f;
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var li = (global_id.z * v.size.y + global_id.x) * v.size.x;
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var ri = global_id.z * otdldo.size.x * otdldo.size.y + global_id.y;
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for (var i = 0u; i < v.size.x; i++) {
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var cs = 0f;
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var lj = global_id.z * wa.size.y * wa.size.x + global_id.y * wa.size.x;
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var mj = global_id.z * v.size.x * v.size.y + i;
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for (var j = 0u; j < wa.size.x; j++) {
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cs += wa.data[lj] * v.data[mj];
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lj++;
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mj += v.size.x;
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}
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s += (v.data[li] - cs) * otdldo.data[ri];
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li++;
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ri += otdldo.size.x;
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}
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let resi = (global_id.z * dlds.size.y + global_id.y) * dlds.size.x + global_id.x;
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dlds.data[resi] = ds.data[0] * wa.data[resi] * s;
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}
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