Luke Gorrie
Luke Gorrie
@andywingo Tricky... I had the impression from `perf stat` output that the CPU execution units were mostly idle (none more than half occupied). However, this is not what it says...
I'm looking at jevents from pmu-tools now... Could clone in LuaJIT? Looks tiny
Hmmm.. Is the kernel perf events business really useful or do we just need an RDPMC instruction? (I don't think we care much about context switches, interrupts, etc so a...
Also should check out Agner on this: http://agner.org/optimize/#testp
@andywingo btw it's now really easy to mix asm with Lua since SnabbCo/snabbswitch#565.
Wrong issue :-) I mean https://github.com/SnabbCo/snabbswitch/pull/575 Githubbing via phone..
@andywingo I have been digging a little bit to find a suitable software interface to access performance monitoring counters. Currently it looks like Linux [`perf_event_open(2)`](http://man7.org/linux/man-pages/man2/perf_event_open.2.html) is the right primitive and...
@bratao I will do my bit :).
Nostalgia mode... I found this old correspondence from 2011: > @lukego: I reflected that it seems a bit odd to be so impressed with Myricom. as far as I know...
@emmericp You're welcome! I love what you are doing with [ixy](https://github.com/emmericp/ixy) now too :). I'd love a universe where we compete to reduce line count rather than to absorb new...