C++ Test Results Are In!

Feel free to click on this photo to enlarge it!

Above you can see some results that I have collected from the students of Dr. Bazzi. I concealed their full names for privacy reasons.  And of couse, Dr. Bazzi has many more students than just nine; I only used the programs that passed all of his tests and received 100%.

In the above tests, I had the compilers compile and run my own custom-written programs, which were considerably more cpu-intensive than the default test files. It is important to note that the students wrote these programs to pass the tests, not for speed, so optimization was not a factor in their programming. However, I believe that this fact does not ruin the integrity of the tests, as both Java and C++ programs will have been written sans-optimizations.

The runtimes are measured in seconds, using the GNU "time" command specified for "User Time." This means that the run times do not include system I/O, only pure computation times. The reason we do not want to record system I/O time is because that time can vary huge amounts on different machines and different hardware. It can even vary based on where the program is reading/writing in the computers file system!

 I find it quite interesting to see the massive amount of differences in runtimes between the programs (ak vs. cm, for example). And I will be going into much more detail about the nature of the tests run in my presentation, and this is by no means a formal explanation of the data. I just thought that you may want to see a little glimpse of some of the data I am collecting. Thanks for reading, and stay tuned!

-Jeff