HW11 - Plot Problem 1

Plot attached.

Using 16 nodes (ppn=1), each data point is an average of three samples.
Todd Tannenbaum

P1.png (11.55 KiB) Viewed 7700 times

Untitled.png (27.01 KiB) Viewed 7691 times

The plots are as follows.

assignment11_p1.png (20.01 KiB) Viewed 7691 times

We can see that for most settings, broadcasting is superior to send/receive one by one.

hw11 p1.png (32.78 KiB) Viewed 7690 times

Plot attached.
Abishek

Q1.png (36.78 KiB) Viewed 7689 times

Attached

Plot of time for synchronous send in for loop and Broadcast vs size for 8 processes given.

-Praveen

Code was tested using one node and 16 processors (ppn=16). Solid lines with data points indicate average of 5 runs, and error bars indicate the maximum and minimum timings from the 5 runs.



Thanks,
Ben