diff allgatherO.out allgatherO.out.sample
diff alltoallO.out alltoallO.out.sample
diff bcastO.out bcastO.out.sample
diff gatherO.out gatherO.out.sample
diff scatterO.out scatterO.out.sample
diff gathervO.out gathervO.out.sample
diff allgathervO.out allgathervO.out.sample
diff scattervO.out scattervO.out.sample
diff alltoallvO.out alltoallvO.out.sample
diff reduceO.out reduceO.out.sample
diff allreduceO.out allreduceO.out.sample
