README.md

# pi calculation benchmark
[http://fab.cba.mit.edu/classes/MAS.864/text/benchmark.pdf](http://fab.cba.mit.edu/classes/864.17/text/benchmark.pdf)

|estimated GFlops|code|description|system|date|
|---|---|---|---|---|
|88,333|[mpimppi.c](hybrid/mpimppi.c)|C, MPI+OpenMP, 1024 nodes, 64 cores/node, 4 threads/core<br>cc mpimppi.c -o mpimppi -O3 -ffast-math -fopenmp|Argonne ALCF Theta<br>Cray XC40|Oct 9, 2019|
|272|[threadpi.c](C/threadpi.c)|C, 96 threads<br>gcc threadpi.c -o threadpi -O3 -ffast-math -pthread|Intel 2x Xeon Platinum 8175M|Jun 3, 2019|
|179|[mpipi2.c](MPI/mpipi2.c)|C, MPI<br>mpicc mpipi2.c -o mpipi2 -O3 -ffast-math<br>mpirun -np 96 mpipi2|Intel 2x Xeon Platinum 8175M|Jul 1, 2019|
|173|[mppi.c](OpenMP/mppi.c)|C, OpenMP, 96 threads<br>gcc mppi.c -o mppi -O3 -ffast-math -fopenmp|Intel 2x Xeon Platinum 8175M|Jul 1, 2019|
|152|[pi.html](https://pub.pages.cba.mit.edu/pi/JavaScript/pi.html)|JavaScript, 96 workers|Intel 2x Xeon Platinum 8175M|Jun 3, 2019|
|93.2|[threadpi.c](C/threadpi.c)|C, 56 threads<br>gcc threadpi.c -o threadpi -O3 -ffast-math -pthread|Intel 2x E5-2680|Dec 18, 2018|
|71.4|[pi.html](https://pub.pages.cba.mit.edu/pi/JavaScript/pi.html)|JavaScript, 56 workers|Intel 2x E5-2680|Nov 19, 2018|
|46.9|[mpipi.c](MPI/mpipi.c)|C, MPI<br>mpicc mpipi.c -o mpipi -O3 -ffast-math <br> mpirun -np 6 mpipi|Intel i7-8700T|Nov 17, 2018|
|44.6|[threadpi.c](C/threadpi.c)|C, 6 threads<br>gcc threadpi.c -o threadpi -O3 -ffast-math -pthread|Intel i7-8700T|Dec 17, 2018|
|16.1|[pi.html](https://pub.pages.cba.mit.edu/pi/JavaScript/pi.html)|JavaScript, 6 workers|Intel i7-8700T|Nov 17, 2018|
|15.7|[clusterpi.js](Node/clusterpi.js)|Node, 6 workers|Intel i7-8700T|Dec 8, 2018|
|9.37|[pi.c](C/pi.c)|C<br>gcc pi.c -o pi -lm -O3 -ffast-math|Intel i7-8700T|Nov 17, 2018|
|3.73|[pi.html](https://pub.pages.cba.mit.edu/pi/JavaScript/pi.html)|JavaScript, 1 worker|Intel i7-8700T|Nov 17, 2018|
|3.47|[pi.html](https://pub.pages.cba.mit.edu/pi/JavaScript/pi.html)|JavaScript, 1 worker|Intel 2x E5-2680|Nov 19, 2018|
|3.29|[pi.js](Node/pi.js)|Node|Intel i7-8700T|Dec 8, 2018|
|3.12|[clusterpi.js](Node/clusterpi.js)|Node, 1 worker|Intel i7-8700T|Dec 8, 2018|
|0.57|[pi.c](C/pi.c)|C<br>gcc pi.c -o pi -lm|Intel i7-8700T|Nov 17, 2018|
|0.47|[numpi.py](Python/numpi.py)|Python, NumPy|Intel i7-8700T|Nov 17, 2018|
|0.029|[pi.py](Python/pi.py)|Python|Intel i7-8700T|Nov 17, 2018|