Chapter 4. Analyzing Parallel Applications

4.1. Text summary

For a quick view summary of TAU performance, use pprof It reads and prints a summary of the TAU data in the current directory. For performance data with multiple metrics, move into one of the directories to get information about that metric:

%> cd MULTI__P_WALL_CLOCK_TIME
%> pprof
Reading Profile files in profile.*

NODE 0;CONTEXT 0;THREAD 0: 
--------------------------------------------------------------------------------------- 
%Time    Exclusive    Inclusive       #Call      #Subrs  Inclusive Name 
              msec   total msec                          usec/call  
--------------------------------------------------------------------------------------- 
100.0           24          590           1           1     590963 main 
 95.9           26          566           1           2     566911 multiply 
 47.3          279          279           1           0     279280 multiply-opt 
 44.1          260          260           1           0     260860 multiply-regular