reductionMultiBlockCG --std=c++11 ./ ../ ../../Common Cooperative Groups MultiBlock Cooperative Groups GPGPU CPP11 true reductionMultiBlockCG.cu MBCG CPP11 1:CUDA Advanced Topics sm60 sm61 sm70 sm72 sm75 sm80 sm86 x86_64 linux ppc64le linux windows7 aarch64 6.0 exe