Tag Archives: optimisation

Don’t use signed ints if you don’t need them

Posted on October 28, 2011 by ejrh

Progress on fractals, and a minor (but arguably obvious) optimisation I stumbled upon today.

Posted in Programming | Tagged , , | 1 Comment

Mandelbrot calculation using SIMD

Posted on October 13, 2011 by ejrh

How running two calculations in a single thread can speed up the Fractal by up to 90% (but more likely, 15%…).

Posted in Programming, Science | Tagged , , , | 6 Comments

QuantCup update

Posted on May 17, 2011 by ejrh

Yesterday I received an email update from the QuantCup challenge.  This was surprising, as it’s the first I’ve heard from them since attempting to register.

Posted in Programming | Tagged , , | 4 Comments

Price-time matching engine

Posted on April 21, 2011 by ejrh

A friend sent me a link to QuantCup, which is “a quant trading themed programming contest”. Now, I have little enthusiasm for high speed trading, but I am always interested in programming.

Posted in Programming | Tagged , , | 6 Comments