oarust 0.8.6

GPU-first semantic computing engine written in Rust
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// OA Rust I32 counterpart to the donor FP32 addBcast physical candidate.
// Unsigned arithmetic preserves Rust's admitted two's-complement wrapping rule.

import attributes;

struct PushConstants {
	uint left_index;
	uint right_index;
	uint output_index;
	uint element_count;
	uint rank;
	uint output_dim_0;
	uint output_dim_1;
	uint output_dim_2;
	uint output_dim_3;
	uint output_dim_4;
	uint output_dim_5;
	uint output_dim_6;
	uint output_dim_7;
	uint left_stride_0;
	uint left_stride_1;
	uint left_stride_2;
	uint left_stride_3;
	uint left_stride_4;
	uint left_stride_5;
	uint left_stride_6;
	uint left_stride_7;
	uint right_stride_0;
	uint right_stride_1;
	uint right_stride_2;
	uint right_stride_3;
	uint right_stride_4;
	uint right_stride_5;
	uint right_stride_6;
	uint right_stride_7;
};

[[vk::push_constant]] PushConstants push;
[[vk::binding(0, 0)]] RWByteAddressBuffer storage_buffers[];

[kernel_name("add_broadcast_i32")]
[domain("matrix")]
[variant("broadcast")]
[dtype("i32")]
[status("experimental")]
[shader("compute")]
[numthreads(256, 1, 1)]
void main(uint3 dispatch_thread_id : SV_DispatchThreadID) {
	uint index = dispatch_thread_id.x;
	if (index >= push.element_count) {
		return;
	}

	uint output_dims[8] = {
		push.output_dim_0, push.output_dim_1, push.output_dim_2, push.output_dim_3,
		push.output_dim_4, push.output_dim_5, push.output_dim_6, push.output_dim_7
	};
	uint left_strides[8] = {
		push.left_stride_0, push.left_stride_1, push.left_stride_2, push.left_stride_3,
		push.left_stride_4, push.left_stride_5, push.left_stride_6, push.left_stride_7
	};
	uint right_strides[8] = {
		push.right_stride_0, push.right_stride_1, push.right_stride_2, push.right_stride_3,
		push.right_stride_4, push.right_stride_5, push.right_stride_6, push.right_stride_7
	};
	uint remainder = index;
	uint left_offset = 0;
	uint right_offset = 0;
	for (int axis = int(push.rank) - 1; axis >= 0; --axis) {
		uint coordinate = remainder % output_dims[axis];
		remainder /= output_dims[axis];
		left_offset += coordinate * left_strides[axis];
		right_offset += coordinate * right_strides[axis];
	}
	uint left = storage_buffers[push.left_index].Load(left_offset * 4);
	uint right = storage_buffers[push.right_index].Load(right_offset * 4);
	storage_buffers[push.output_index].Store(index * 4, left + right);
}