mrjones

3 ms·

1.
by mrjones 10y ago
Actually, the linked paper discusses 112-115us of total read latency for NVMe SSD, not 14-15 (see Figure 5). 90us of raw device latency, then software overhead of 22-25us (2-3us driver, 6-7us kernel, 14-15us user space). So, the 6us access
2.
Uber admits to self-driving car 'problem' in bike lanes as safety concerns mount(theguardian.com)
30 points by mrjones 10y ago|7 comments
3.
by mrjones 11y ago
Matt Blaze developed a very cool attack against master-key lock systems: http://www.crypto.com/papers/mk.pdf It requires access to one (non-master) key as well as a lock which is open-able by that key. It also require
4.
by mrjones 12y ago
It would be interesting to see the client/benchmarking program. It almost sounds like it could be single-threaded ... which would mean the delay is an artifact of the benchmark only having one op outstanding, rather than something inh
5.
by mrjones 12y ago
Interesting fact about liquid nitrogen (that I learned from Dave Arnold's book, which is fantastic): liquid nitrogen is ~700x denser than gaseous nitrogen. So, if you vaporize a moderate amount of liquid in a contained space (e.g. spil
6.
by mrjones 14y ago
I was looking at this earlier, there's an API too that seems pretty simple to use: ----- (1) Developer key: http://datamine.mta.info/user/register (2) The data is in Protocol Buffer format, so get that: http://code.google.com/p/protobuf/
7.
Expecting more from Yelp(notes.mrjon.es)
30 points by mrjones 15y ago|11 comments
8.
As many CS degrees were issued in 2009 as in 1985? (Maybe not the whole picture)(plus.google.com)
2 points by mrjones 15y ago|0 comments