Disclosure: I work at MosaicML
Yeah, I strongly agree. While Nvidia is working on better hardware (and they're doing a great job at it!), we believe that better training methods should be a big source of efficiency. We've released a new PyTorch library for efficient training at http://github.com/mosaicml/composer.
Our combinations of methods can train CV models ~4x faster to the same accuracy on CV tasks, and ~2x faster to the same perplexity/GLUE score on NLP tasks!