Simple Servers - HaskellWiki
Basic concurrent server Concurrent, with String IO. Here on each accept from the main thread, we create a new Handle, and forkIO a lightweight Haskell thread to write a string back to the client. Relies on the runtime scheduler to wake up the main thread in a timely fashion (i.e. via the current 'select' mechanism). import Network import Control.Concurrent import System.IO main = withSocketsDo $ d
Playing with the new Haskell epoll event library
Bryan and Johan have been working hard on replacing the GHC runtime’s concurrency mechanism based on select, with a new one based on epoll. This should improve scalability of Haskell server code in a number of ways — more connections sec, more concurrent connections, and so on. You can read about their work in a series of posts: Making GHC’s I/O manager more scalable – Dec 17, 2009 Progress on GHC
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