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ext/ep: WIP Phase 4 normalize fence/sync ordering in combine writer

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Qinghua Zhou
2026-05-10 03:58:20 +00:00
parent 28f1d722e1
commit bf0a7e788a
1 changed files with 1 additions and 1 deletions
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src/ext/ep/kernels/internode.cu
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@@ -2053,8 +2053,8 @@ __global__ void __launch_bounds__((NUM_MAX_NVL_PEERS + 1 + kNumForwarders) * 32,
for (int k = lane_id; k < n_int4; k += 32) {
dst_p[k] = src_p[k];
}
__threadfence_system();
__syncwarp();
__threadfence_system();
} else if (lane_id == 0) {
const auto port_channel_idx =
kLowLatencyMode ? (channel_id * kNumRDMARanks + dst_rdma_rank)