dc-lang
A toy imperative programming language with a tracing JIT. FASTER THAN C!
Requirements
- C++17 compiler
- CMake >= 3.8
- LLVM 7 (optional, you can build LLVM by setting DC_LANG_USE_SYSTEM_LLVM to OFF)
Benchmarks
Wall-clock time, average of 10 runs.
Environment:
os: Linux x86_64 4.17.2
cpu: Intel Core i7-8700K
clang: 6.0.0
gcc: 8.1.1
java: openjdk 1.8.0_172
Prime
| Language | Time [s] |
|---|---|
| dc-lang | 64.02 |
| dc-lang --jit | 29.06 |
| clang6 -O3 | 26.95 |
| gcc8.1 -O3 | 29.15 |
| java8 | 31.43 |
Used commands:
cd benchmarks
time dc-lang prime.dc
time dc-lang --jit prime.dc
clang -O3 prime.c -oprime && time ./prime
gcc -O3 prime.c -oprime && time ./prime
javac prime.java && time java prime
Matrix multiplication
| Language | Time [s] |
|---|---|
| dc-lang | 105.53 |
| dc-lang --jit | 10.47 |
| clang6 -O3 | 10.08 |
| gcc8.1 -O3 | 10.27 |
| java8 | 13.71 |
Used commands:
cd benchmarks
python3 ../scripts/gen_matrix.py 1600 666 > matrix
time dc-lang matrix_mul.dc <matrix 1>/dev/null
time dc-lang --jit matrix_mul.dc <matrix 1>/dev/null
clang -O3 matrix_mul.c -omatrix_mul && time ./matrix_mul <matrix 1>/dev/null
gcc -O3 matrix_mul.c -omatrix_mul && time ./matrix_mul <matrix 1>/dev/null
javac matrix_mul.java && time java matrix_mul <matrix 1>/dev/null
Calc
| Language | Time [s] |
|---|---|
| dc-lang | 32.64 |
| dc-lang --jit | 2.36 |
| clang6 -O3 | 2.70 |
| gcc8.1 -O3 | 2.70 |
| java8 | 3.45 |
Used commands:
cd benchmarks
echo "1000000000 4" | time dc-lang calc.dc
echo "1000000000 4" | time dc-lang --jit calc.dc
clang -O3 calc.c -ocalc && echo "1000000000 4" | time ./calc
gcc -O3 calc.c -ocalc && echo "1000000000 4" | time ./calc
javac calc.java && echo "1000000000 4" | time java -Xmx12G calc
License
This is free and unencumbered software released into the public domain. For more information, see https://unlicense.org/.
Acknowledgement
The design of the abstract machine and some implementation techniques were inspired by The Programming Language Lua and The LuaJIT Project.