Function w8a16_gemm_t_pipelined 

pub fn w8a16_gemm_t_pipelined(
    gpu: &dyn GpuBackend,
    kernel: KernelHandle,
    input: DevicePtr,
    weight_t: DevicePtr,
    block_scale_t: DevicePtr,
    output: DevicePtr,
    m: u32,
    n: u32,
    k: u32,
    stream: u64,
) -> Result<()>

Pipelined transposed W8A16 GEMM (kernel w8a16_gemm_t_pipelined): same transposed args as w8a16_gemm_t, ~4.2x via smem-LUT + K_STEP32 + K-contiguous smem_B + 128x32 occupancy tile. Grid: (ceil(N/32), ceil(M/128), 1) Block: (256, 1, 1)