SWEN 342

Pthreads Demo Activity

• Verify that the following code works on your system.
• pthreads_demo
• Refer to Wikipedia Pthreads
• Library call for pthread_create
• Now use the command line parameters to make a modification thread operation possibly including spin loops to assess impacts or other experiments. Experiments:
• Remove rand timing in perform function and make it 1 + (2 * thread number). Record result.
• Add a spin loop helper function that takes one parameter as the number of seconds. Replace the call to sleep with the call to the new spin_loop(int seconds) call. You will need to experiment with the number of loops to get the right timing.
• Added a command line parameter reverse which changes the timing to 1 * (2 * (5 - thread_number)) and report your observations.
• Create a pthreads folder in your GitHub classroom account. Use this folder to submit the updated code and your report.
• Report template in PDF and docx formats: PDF docx

L. Kiser Feb. 13, 2023