Wandbox
SettingsLog
SettingsLog
Language
GitHubLogin
Ran/Viewed Log

Author

anonymous

almost 6 years ago

Language

C

Compiler

clang 8.0.0

Options
Warnings
Optimization
C11
-pedantic

Author

anonymous

almost 6 years ago

$ clang prog.c -Wall -Wextra -O2 -march=native -std=c11 -pedantic 
A (size = 2x2):
   1   3
   2   4

B calculated with OP algorithm (original and modified):
      10      14
      14      20

      10      14
      14      20

B calculated with my algorithm:
      10      14
      14      20

Now the algorithms are timed with a 256 x 256 sized A

OPs_algorithm              64.959 ms
OPs_modified_algorithm     61.490 ms
mine                        4.752 ms
Exit Code:
0