Comment by disqard

I didn't see the COST paper linked anywhere in this thread [0].

Excerpt from abstract:

We offer a new metric for big data platforms, COST, or the Configuration that Outperforms a Single Thread. The COST of a given platform for a given problem is the hardware configuration required before the platform outperforms a competent single-threaded implementation.

[0] https://www.usenix.org/conference/hotos15/workshop-program/p...