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README.md

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 |estimated GFlops|code|description|system|date|
 |---|---|---|---|---|
-|3,456|[mpipi2.c](MPI/mpipi2.c)|C, MPI, 128 nodes, 8192 ranks<br>cc mpipi2.c -o mpipi2 -O3 -ffast-math|ANL ALCF Theta|Jul 2, 2019|
+|27,832,341|[mpipi2.c](MPI/mpipi2.c)|C, MPI, 1024 nodes, 65536 ranks<br>cc mpipi2.c -o mpipi2 -O3 -ffast-math|ANL ALCF Theta|Jul 2, 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|