Feat/cat multi backend#57

gongchensu wants to merge 2 commits intoInfiniTensor:feat/ascend-operatorsInfiniTensor/InfiniOps:feat/ascend-operatorsfrom

gongchensu:feat/cat-multi-backendgongchensu/InfiniOps:feat/cat-multi-backendCopy head branch name to clipboard