Use less unroll for clique kernels (#313)

[ROCm/rccl commit: 41e47a36e7]
2021-01-15 17:48:10 -08:00
@@ -67,7 +67,7 @@ __device__ void AllReduceCliqueSplitKernel(struct CollectiveArgs* args)
    }

    // Perform the reduction
-    #define ALL_REDUCE_CLIQUE_UNROLL 2
+    #define ALL_REDUCE_CLIQUE_UNROLL 1
    ReduceOrCopyMulti<ALL_REDUCE_CLIQUE_UNROLL, FUNC, T, NUM_RANKS, NUM_RANKS, NUM_RANKS, NUM_RANKS>(
      threadIdx.x, blockDim.x, NUM_RANKS, srcs, NUM_RANKS, dsts, blockN);
  }