benchmark

99a0d9a8 - log why fail to gen golden ref (#170843)

log why fail to gen golden ref (#170843) Summary: Sometimes when doing accuracy test with a large batch size, it fail due to the golden ref can not be generated. It would be helpful to log why we fail to generate the golden ref. In my case, it's due to OOM. X-link: https://github.com/pytorch/pytorch/pull/170843 Approved by: https://github.com/malfet, https://github.com/Skylion007 Reviewed By: seemethere Differential Revision: D89589478 fbshipit-source-id: eba3f6611c105c4913b097ff704c697497b316c7