my_digital_garden/4a1s/CP/PL - Aula 8.md

515 B

[!note] Initial commands

  • module load gcc/11.2.0
  • gcc -O2 -fopenmp -lm -g -fno-omit-frame-pointer exe1.c -o exe1.out
  • ./exe1.out
  • srun --partition=cpar --cpus-per-task=2 ./exe1.out perf stat exe1.out sbatch --partition=cpar --cpus-per-task=4 time.sh

Ex 1

a) Tempos de execução

2PUs 4PUs
critical 0.032681249 0.031749990
atomic 0.032905756 0.031628442
reduction 0.056825000 0.032184014

b)