in crates/ratchet-core/src/ops/binary.rs [71:113]
fn render<P: WgslPrimitive>(
&self,
inplace: bool,
dst: &Tensor,
workgroup_size: &WorkgroupSize,
) -> Result<KernelSource, OperationError> {
let device = dst.device().try_gpu()?;
let mut kernel_builder = WgslKernelBuilder::new(
workgroup_size.clone(),
rvec![
BuiltIn::WorkgroupId,
BuiltIn::LocalInvocationIndex,
BuiltIn::NumWorkgroups
],
device.compute_features().clone(),
);
self.register_bindings::<P>(&mut kernel_builder, inplace)?;
kernel_builder.render_metadata(&self.metadata(dst, &self.kernel_element(dst))?);
let N = (P::W as u32).render();
kernel_builder.write_main(wgsl! {
let x_offset = workgroup_id.x * 64u;
let index = (workgroup_id.y * num_workgroups.x * 64u) + x_offset + local_invocation_index;
if (index >= metadata.numel / 'N) {
return;
}
});
let BinaryKernels::Standard(inner) = self;
let op = inner.op.kernel_operator();
let apply = if inplace {
wgsl! {
let val = A[index];
A[index] = val 'op B[index];
}
} else {
wgsl! { Y[index] = A[index] 'op B[index]; }
};
kernel_builder.write_main(apply);
Ok(kernel_builder.build()?)
}