The tag has no wiki summary.

learn more… | top users | synonyms

2
votes
0answers
38 views

why “date -u” command shows time 25 seconds ahead “export TZ=UTC; date”?

I am running clockspeed-0.62 (DJB software) on ubuntu 13.10. I have setup timezones so that /usr/share/zoneinfo is a link to /usr/share/right, and I have setup an up to date /etc/leapsecs.dat file, ie ...
2
votes
0answers
30 views

Back of the envelope calculation for speed of matrix multiplications

I'm trying to develop an intuition for how feasible/scalable machine learning algorithms are. The dominant cost is always matrix multiplications, but there seem to be no readily Google-able resource ...