jm + insane   6

Spotify’s Love/Hate Relationship with DNS
omg somebody at Spotify really really loves DNS. They even store a DHT hash ring in it. whyyyyyyyyyyy
spotify  networking  architecture  dht  insane  scary  dns  unbound  ops 
16 days ago by jm
Ex-Apple managers reveal Cupertino’s killer workload
a “firehose of emails that are just going out at 2:45 in the morning” and “if you forwarded something to one of your people at 1 o’clock in the morning and they didn’t reply promptly, you got a little annoyed at them.”


Fuck. That.
apple  workplaces  work  time-life-balance  downtime  insane  sick  1am  management  corporate-culture 
october 2014 by jm
Groundbreaking Results for High Performance Trading with FPGA and x86 Technologies
The enhancement in performance was achieved by providing a fast-path where trades are executed directly by the FPGA under the control of trigger rules processed by the x86 based functions. The latency is reduced further by two additional techniques in the FPGA – inline parsing and pre-emption. As market data enters the switch, the Ethernet frame is parsed serially as bits arrive, allowing partial information to be extracted and matched before the whole frame has been received. Then, instead of waiting until the end of a potential triggering input packet, pre-emption is used to start sending the overhead part of a response which contains the Ethernet, IP, TCP and FIX headers. This allows completion of an outgoing order almost immediately after the end of the triggering market feed packet.


Insane stuff. (Via Martin Thompson)
via:martin-thompson  insane  speed  low-latency  fpga  fast-path  trading  stock-markets  performance  optimization  ethernet 
october 2013 by jm
Extract from 1973 HM Treasury document concerning post-nuclear-attack responses
'Extract from 1973 HM Treasury document concerning post-nuclear-attack monetary policy' includes this amazing snippet:

[Contingency] ...(d) a total nuclear attack employing high power missiles which would destroy all but a small percentage of the UK population and almost all physical assets or civilised life. [...] As for (d), the money policy would of course be absurdly unrealistic for the few surviving administrators and politicians as they struggled to organise food and shelter for the tiny bands of surviving able-bodied and the probably larger number of sick and dying. Most of the other departments contingency planning might also be irrelevant in such a situation. Within a fairly short time the survivors would evacuate the UK and try to find some sort of life in less-effected countries (southern Ireland?).


Hey, at least they were considering these scenarios. (via Charlie Stross)
nuclear  attack  contingency  government  monetary  policy  uk  ireland  history  1960s  via:cstross  insane  fallout 
august 2013 by jm
Roko's basilisk - RationalWiki
Wacky transhumanists.
Roko's basilisk is notable for being completely banned from discussion on LessWrong, where any mention of it is deleted. Eliezer Yudkowsky, founder of LessWrong, considers the basilisk would not work, but will not explain why because he does not consider open discussion of the notion of acausal trade with possible superintelligences to be provably safe.

Silly over-extrapolations of local memes are posted to LessWrong quite a lot; almost all are just downvoted and ignored. But this one, Yudkowsky reacted to hugely, then doubled-down on his reaction. Thanks to the Streisand effect, discussion of the basilisk and the details of the affair soon spread outside of LessWrong. The entire affair is a worked example of spectacular failure at community management and at controlling purportedly dangerous information.

Some people familiar with the LessWrong memeplex have suffered serious psychological distress after contemplating basilisk-like ideas — even when they're fairly sure intellectually that it's a silly problem.[5] The notion is taken sufficiently seriously by some LessWrong posters that they try to work out how to erase evidence of themselves so a future AI can't reconstruct a copy of them to torture.[6]
transhumanism  funny  insane  stupid  singularity  ai  rokos-basilisk  via:maciej  lesswrong  rationalism  superintelligences  striesand-effect  absurd 
march 2013 by jm
100 ways to spend the Anglo €25,000,000,000
'just how much is €25 billion that [Ireland's taxpayers] have to borrow for [failed bank] Anglo?' some great answers, including: start our own space program with 20 space shuttles; build 6 LHCs or 2 ITER fusion reactors; scrap fares on all public transport for 33 years; buy 2 of Asia's largest banks; buy Steve Jobs himself; detach the People's Republic of Cork by building a ten-metre-wide moat; buy every house and apartment listed on Daft.ie
money  omgwtfbbq  insane  argh  funny  nama  anglo  sean-fitzpatrick  ireland  from delicious
august 2010 by jm

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