Escali , LLC Network Router 4.4 Manual de usuario descargar pdf (Pagina 56)

Section: 4.4 Using the scanalyze

Scali MPI Connect Release 4.4 Users Guide 44

user% SCAMPI_TIMING=”-s 10” mpimon ./all2all -- r1 r2

produced a 158642 byte file

Digesting the massive information in these files is a challenge, but scanalyze produces the

following summaries for tracing:

Count Total < 128 < 1k < 8k < 256k < 1M

--------------- -------- -------- -------- -------- -------- -------- --------

MPI_Alltoall 24795 5127 3078 4104 10260 2226 0

MPI_Barrier 52 0 0 0 0 0 0

MPI_Comm_rank 2 0 0 0 0 0 0

MPI_Comm_size 2 0 0 0 0 0 0

MPI_Init 2 0 0 0 0 0 0

MPI_Keyval_free 2 0 0 0 0 0 0

MPI_Wtime 102 0 0 0 0 0 0

Timing Total < 128 < 1k < 8k < 256k < 1M

--------------- -------- ------- -------- -------- -------- -------- --------

MPI_Alltoall 21.20 0.21 0.15 0.41 9.35 11.08 0.00

MPI_Barrier 0.01 0.00 0.00 0.00 0.00 0.00 0.00

MPI_Comm_rank 0.00 0.00 0.00 0.00 0.00 0.00 0.00

MPI_Comm_size 0.00 0.00 0.00 0.00 0.00 0.00 0.00

MPI_Init 2.00 0.00 0.00 0.00 0.00 0.00 0.00

MPI_Keyval_free 0.00 0.00 0.00 0.00 0.00 0.00 0.00

MPI_Wtime 0.00 0.00 0.00 0.00 0.00 0.00 0.00

and for timing;

=========================================================================

#calls time tim/cal #calls time tim/cal

0: MPI_Alltoall 0 0.0ns 12399 10.6s 855.1us

0: MPI_Barrier 0 0.0ns 26 1.2ms 45.8us

0: MPI_Comm_rank 0 0.0ns 1 3.2us 3.2us

0: MPI_Comm_size 0 0.0ns 1 1.4us 1.4us

0: MPI_Init 0 0.0ns 1 1.0s 1.0s

0: MPI_Keyval_free 1 27.9us 27.9us 1 27.9us 27.9us

0: MPI_Wtime 1 1.1us 1.1us 52 33.9us 652.7ns

0: Sum 2 29.0us 14.5us 12481 11.7s 933.5us

0: Overhead 0 0.0ns 12481 12.6ms 1.0us

=========================================================================

#calls time tim/cal #calls time tim/cal

1: MPI_Alltoall 0 0.0ns 12399 10.6s 854.9us

1: MPI_Barrier 0 0.0ns 26 2.9ms 109.6us

1: MPI_Comm_rank 0 0.0ns 1 3.5us 3.5us

1: MPI_Comm_size 0 0.0ns 1 1.5us 1.5us

1: MPI_Init 0 0.0ns 1 1.0s 1.0s

1: MPI_Keyval_free 1 10.8us 10.8us 1 10.8us 10.8us

1: MPI_Wtime 1 1.5us 1.5us 50 36.5us 730.2ns

1: Sum 2 12.3us 6.1us 12479 11.6s 931.1us

1: Overhead 0 0.0ns 12479 12.7ms 1.0us

Escali , LLC Network Router 4.4 Manual de usuario Pagina 56

Comentarios a estos manuales