pub fn moe_expert_gate_up_shared_batch2(
gpu: &dyn GpuBackend,
kernel: KernelHandle,
input: DevicePtr,
gate_packed_ptrs: DevicePtr,
gate_scale_ptrs: DevicePtr,
gate_scale2_vals: DevicePtr,
gate_out: DevicePtr,
up_packed_ptrs: DevicePtr,
up_scale_ptrs: DevicePtr,
up_scale2_vals: DevicePtr,
up_out: DevicePtr,
expert_indices: DevicePtr,
sh_gate: &QuantizedWeight,
sh_gate_out: DevicePtr,
sh_up: &QuantizedWeight,
sh_up_out: DevicePtr,
n: u32,
k: u32,
top_k: u32,
block_size: u32,
stream: u64,
) -> Result<()>Expand description
Fused gate+up expert GEMV for K=2 tokens with shared expert.
Expands blockIdx.y from (top_k+1) to 2*(top_k+1) to process both tokens. Token index = blockIdx.y / (top_k+1), expert slot = blockIdx.y % (top_k+1). Shared expert blocks use direct weight pointers; routed use pointer table.
Grid: (ceil(N/8), 2*(top_k+1), 2) Block: (128, 1, 1)