report logbook

Debugging mmult3_c.exe


Messages

# Type Time Processes Message
1 0:00.000 n/a
Launching srun -n4 mmult3_c.exe
at Wed Aug 28 00:15:28 2019
2 0:10.274 0-3
Startup complete.
3 0:10.275 n/a
Select process group All
4
Additional Information

 Stacks
Processes Function Source Variables
0-3 main (mmult3.c:96)
 
MPI_Comm_rank(MPI_COMM_WORLD, &myrank);	// my rank
  MPI_Status st;

  MPI_Init (&argc, &argv);
  MPI_Comm_rank(MPI_COMM_WORLD, &myrank);	// my rank
  MPI_Comm_size(MPI_COMM_WORLD, &nproc); // number of processors

  if(argc > 3)
 Rank 0, thread 1
Name Value
argc <optimized out>
argv <optimized out>
filename ""
mat_a <optimized out>
mat_b <optimized out>
mat_c <optimized out>
myrank Sparkline 11
nproc Sparkline 31
size <optimized out>
slice <optimized out>
st <aggregate value>

 Current Stack
#0 main (argc=<optimized out>, argv=<optimized out>) at /cfs/klemming/nobackup/j/jhein/SummerSchool2019/ArmMaterial/Exercises/1664_Detecting_memory_leaks/mmult3.c:96 (at 0x0000000000400b89)

 Locals
Name Value
argc Sparkline <optimized out>
argv Sparkline <optimized out>
filename Sparkline ""
mat_a Sparkline <optimized out>
mat_b Sparkline <optimized out>
mat_c Sparkline <optimized out>
myrank Sparkline 11
nproc Sparkline 31
size Sparkline <optimized out>
slice Sparkline <optimized out>
st Sparkline
5 0:12.410 n/a
Debugging : srun -n4 mmult3_c.exe
MPI implementation : Auto-Detect (SLURM (MPMD))
* number of processes : 4
* number of nodes : 1
Memory debugging enabled : No
6 0:12.411 0-3
Play
7 0:26.147 n/a
Every process in your program has terminated.


Tracepoints

No tracepoints set or hit.

Output

0: Size of the matrices: 3072x3072
0: Initializing matrices...
0: Sending matrices...
0: Processing...
0: Receiving result matrix...
0: Writing results...
0: Done.
1: Receiving matrices...
1: Processing...
1: Sending result matrix...
2: Receiving matrices...
2: Processing...
2: Sending result matrix...
3: Receiving matrices...
3: Processing...
3: Sending result matrix...