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34 lines
740 B
34 lines
740 B
alias number = f32;
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struct Scalar {
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size: vec4<u32>,
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data: array<number>,
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}
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struct MatrixBatch {
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size: vec4<u32>,
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data: array<number>,
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}
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struct UVectorBatch {
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size: vec4<u32>,
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data: array<u32>,
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}
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@group(0) @binding(0)
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var<storage, read> m: MatrixBatch;
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@group(0) @binding(1)
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var<storage, read> v: UVectorBatch;
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@group(0) @binding(2)
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var<storage, read> lr: Scalar;
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@group(0) @binding(3)
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var<storage, read_write> grs: 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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grs.size = m.size;
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var vi = global_id.z * v.size.x + global_id.y;
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var gi = vi * grs.size.x + global_id.x;
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grs.data[gi] = lr.data[0] * (m.data[gi] - select(0f, 1f, v.data[vi] == global_id.x));
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}
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