70 lines
3.0 KiB
Markdown
70 lines
3.0 KiB
Markdown
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# Compte-rendu TP
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## Test de base :
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### Commandes :
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./student_rank 5 5 1
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gprof ./student_rank
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La fonction "bubblesort" est la fonction la plus appelée et qui a le plus de temps d'exécution.
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Flat profile:
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Each sample counts as 0.01 seconds.
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no time accumulated
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% cumulative self self total
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time seconds seconds calls Ts/call Ts/call name
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0.00 0.00 0.00 30 0.00 0.00 bubblesort
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0.00 0.00 0.00 25 0.00 0.00 find_rank_student
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0.00 0.00 0.00 10 0.00 0.00 print_array
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0.00 0.00 0.00 5 0.00 0.00 generate_array
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0.00 0.00 0.00 2 0.00 0.00 free_array
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0.00 0.00 0.00 2 0.00 0.00 print_student_array
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0.00 0.00 0.00 1 0.00 0.00 generate_grades
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0.00 0.00 0.00 1 0.00 0.00 generate_ranks
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0.00 0.00 0.00 1 0.00 0.00 sort_students
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## Test avec plus de données :
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### Commandes :
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./student_rank 1000 1000 0
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gprof ./student_rank
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La fonction "bubblesort" est la fonction la plus appelée et qui a le plus de temps d'exécution.
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Flat profile:
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Each sample counts as 0.01 seconds.
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% cumulative self self total
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time seconds seconds calls s/call s/call name
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84.86 8.10 8.10 1001000 0.00 0.00 bubblesort
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14.21 9.46 1.36 1000000 0.00 0.00 find_rank_student
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1.00 9.56 0.10 1 0.10 9.56 sort_students
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0.10 9.57 0.01 1 0.01 0.01 generate_ranks
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0.00 9.57 0.00 1000 0.00 0.00 generate_array
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0.00 9.57 0.00 2 0.00 0.00 free_array
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0.00 9.57 0.00 1 0.00 0.00 generate_grades
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## Test avec encore plus de données :
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### Commandes :
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./student_rank 1000 10000 0
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gprof ./student_rank -b
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La fonction "bubblesort" est la fonction la plus appelée et qui a le plus de temps d'exécution.
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Flat profile:
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Each sample counts as 0.01 seconds.
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% cumulative self self total
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time seconds seconds calls s/call s/call name
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85.02 86.18 86.18 10010000 0.00 0.00 bubblesort
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14.03 100.41 14.22 10000000 0.00 0.00 find_rank_student
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0.93 101.35 0.94 1 0.94 101.35 sort_students
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0.08 101.43 0.09 1000 0.00 0.00 generate_array
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0.08 101.51 0.08 1 0.08 0.08 generate_ranks
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0.03 101.54 0.03 print_student_array
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0.00 101.54 0.00 2 0.00 0.00 free_array
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0.00 101.54 0.00 1 0.00 0.09 generate_grades
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## Profiling
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Un appel à la fonction bubblesort était en trop dans la fonction find_rank ce qui augmentait considérablement le temps d'exécution.
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