#635: Replace use of select() in the I/O manager with epoll/kqueue/etc.
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Reporter: simonmar | Owner: bos
Type: task | Status: new
Priority: normal | Milestone: _|_
Component: libraries/base | Version: 6.4.1
Keywords: | Difficulty: Project (more than a week)
Os: Unknown/Multiple | Testcase: N/A
Architecture: Unknown/Multiple | Failure: Runtime performance bug
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Comment(by kazu-yamamoto):
> If you send me an email with the error I can try to reproduce it
> (I'm also on OS X).
The error is attached.
> There are a number of kernel settings that need to be changed to run
> some of these benchmarks. All of the settings are done automatically
> for you by the `benchmark_shell.py` script. It can be used like so:
Thanks!
> If you want to play with the code using `forkIO` style concurrency
> (but using `Socket`s instead of `Handle`s) you can you
> `System.Event.Thread` and `benchmarks/EventSocket.hs`.
I read it before. But I still want to use Handle for buffering.
The error: (Note I upgrade my Mac to Snow Leopard and GHC to 6.12.1)
{{{
% make
ranlib ../dist/build/libHSevent-0.1.a
ghc -funbox-strict-fields -package bytestring -ignore-package event -fno-
ignore-asserts -Wall -fno-warn-orphans -fno-warn-missing-signatures
-i../dist/build -package-name event-0.1 -package network -package
network-bytestring -package attoparsec -package bytestring-show -package
mtl -threaded -o dead-conn Args.o EventUtil.o EventSocket.o DeadConn.o
../dist/build/libHSevent-0.1.a
gcc -O2 -o deadconn deadconn.o
ld: warning: in deadconn.o, file is not of required architecture
Undefined symbols:
"_main", referenced from:
start in crt1.10.6.o
ld: symbol(s) not found
collect2: ld returned 1 exit status
make: *** [deadconn] Error 1
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/635#comment:35>
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