pub fn scaled_add(
gpu: &dyn GpuBackend,
kernel: KernelHandle,
output: DevicePtr,
src: DevicePtr,
scale: f32,
num_elements: u32,
stream: u64,
) -> Result<()>Expand description
2026-09-25: In-place BF16 output[i] += scale * src[i] (kernel bf16_scaled_add).