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lc

Build Status

JIT compiler for Scheme targeting Linux x86-64 platforms.

  • Baptiste Saleil and Marc Feeley. Interprocedural Specialization of Higher-Order Dynamic Languages Without Static Analysis. In European Conference on Object-Oriented Programming (ECOOP'17), 2017.
    [pdf]
  • Baptiste Saleil and Marc Feeley. Type Check Removal Using Lazy Interprocedural Code Versioning. In Scheme and Functional Programming Workshop (SFPW'15), 2015.
    [pdf]
  • Baptiste Saleil and Marc Feeley. Code Versioning and Extremely Lazy Compilation of Scheme. In Scheme and Functional Programming Workshop (SFPW'14), 2014.
    [pdf]

Building

LC depends on a modified version of the Gambit Scheme compiler that must be installed before building LC:

# Build the modified version of Gambit
git clone https://github.com/bsaleil/gambit
cd gambit
mkdir build
./configure --enable-single-host --prefix=$(pwd)/build
make -j8
make install

The gsc executable of the modified version of Gambit must be available in PATH both when building and running LC:

# Make 'gsc' binary available in PATH
export PATH=$(pwd)/build/bin:$PATH

Then, LC can be built:

# Build LC
git clone https://github.com/bsaleil/lc -b stable
cd lc
make debug -j8

Running

Make sure the gsc binary of the modified version of gambit is also available in PATH when running lc.

./lc file.scm

Example

To compute the 40th Fibonacci number:

fib.scm:

(define (fib n)
  (if (< n 2)
      1
      (+ (fib (- n 1))
         (fib (- n 2)))))

(println (fib 40))
$ time ./lc fib.scm
165580141

real	0m0,550s
user	0m0,537s
sys	0m0,010s

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JIT compiler for Scheme targeting x86-64 platforms

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