Function w8a16_gemm_pipelined 

pub fn w8a16_gemm_pipelined(
    gpu: &dyn GpuBackend,
    kernel: KernelHandle,
    input: DevicePtr,
    weight: DevicePtr,
    block_scale: DevicePtr,
    output: DevicePtr,
    m: u32,
    n: u32,
    k: u32,
    stream: u64,
) -> Result<()>

2026-09-25: Pipelined W8A16 GEMM (kernel w8a16_gemm_pipelined), with the same arguments and block-scale layout as w8a16_gemm. A 128x32 MxN tile with 256 threads and a cp.async prefetch (PM_M_TILE, PM_N_TILE, PM_THREADS in kernels/gb10/common/w8a16_gemm_pipelined.cu).