pyynb

> @Rhett-Ying When is the work for this issue planned? I see that you measure runtime on mag240M in some of the examples. Fixing this issue would lead to memory...

> @pyynb when the mag240M dataset is downloaded, it extracts into `datasets/opt/nvme/..../ogb-lsc-mag240m-seeds` directory instead of `datasets/ogb-lsc-mag240m-seeds`. Could you check? I'm on it

> Is it safe to merge this? yes, I've done the unit test.

Last month, we compared three different cache libraries and various cache eviction policies. Regarding the eviction policies, we found that the hit rate of S3-FIFO cache was higher than LRU,...