[racket-users] Thanks for latest performance improvements

2015-09-24 Thread JCG
I just rewrote an existing C++ server in Racket in two days, dropping 2,000 C++ lines to 700 Racket lines. The architecture of the previous server was based on fine planning and implementation, but quickly degraded from an 18-month succession of band-aids. Having laid out a replacement plan,

Re: [racket-users] Thanks for latest performance improvements

2015-09-24 Thread Matthias Felleisen
> On Sep 24, 2015, at 5:59 AM, JCG wrote: > > > I have no idea what networking implementation facts have changed between 6.1 > and this snapshot, but it's now about 20% faster than the C++ server. The > reimplemented service will remain in Racket. Wow. Did you test

Re: [racket-users] Thanks for latest performance improvements

2015-09-24 Thread John Griffin
It's pretty real world for me. The server offers coalesced data from Zacks, TradingEconomics, ETFdb, the Federal Reserve, the US Commodities Futures Trading Commission and about 10 other sources for consumption by our systems. Against that server, I'm running hundreds ETF models daily, each of