Re: [Haskell-cafe] [Haskell] ANNOUNCE: GHC version 7.8.1
Austin Seipp
The (Interactive) Glasgow Haskell Compiler -- version 7.8.1
Congrats!
* Massive scalability improvements to the I/O manager
Just a brief note from the front lines - I recompiled a heavily threaded program with (a recent pre-release) of 7.8.1 and got a 10% performance increase over 7.6.3. Nothing like free lunches - so thanks again for the great work! -k -- If I haven't seen further, it is by standing in the footprints of giants
* Massive scalability improvements to the I/O manager
Just a brief note from the front lines - I recompiled a heavily threaded program with (a recent pre-release) of 7.8.1 and got a 10% performance increase over 7.6.3. Nothing like free lunches - so thanks again for the great work!
Did you run you program on a multicore system? If so, did you specify +RTS -N<x> option? If your program uses MVar heavily, you need to re-design your program. For more information, please read: http://www.yesodweb.com/blog/2014/01/new-fast-logger --Kazu
participants (2)
-
Kazu Yamamoto -
Ketil Malde