@hackage rdtsc1.1.1

                                                          -*-outline-*-

• README file for Rdtsc binding

This small Cabal package provides a Haskell binding to the "rdtsc" machine instruction on modern IA-32 processors. This instruction can be used to read the number of cycles since processor startup and gives very accurate timing information.

** Usage

Use

runghc Setup.hs configure runghc Setup.hs build runghc Setup.hs install

for building and installing system-wide, or

runghc Setup.hs configure --prefix=$HOME/haskell-modules runghc Setup.hs build runghc Setup.hs install --user

for building and installing in directory $HOME/haskell-modules.

Just import module "System.CPUTime.Rdtsc" into your Haskell file and use

ghc --make FILENAME

to compile your program.

The "tests" directory contains a small test program for the module and demonstrates its usage. There is also a C version for this test program, to test the overheads of Haskell's FFI.

Happy Haskell hacking, Martin