gcc build / test times on multi-core hosts?

[Diego Novillo]

Joern RENNECKE wrote:

> Has anybody done timings for gcc bootstrap / cross builds and regtests
> with modern multi-core processors?
>
I've only done very limited testing mostly by eye balling build times.
I don't think build performance scales much beyond -j4/-j6.

I/O is probably the biggest bottleneck, so if you have a fairly decent
I/O system, you may find higher -jN numbers giving better results.