[petsc-users] MUMPS error

Tue May 19 01:04:48 CDT 2015

Hi,

I have attached the log of the command which I gave in the master node:
make streams NPMAX=32

I dont know why it says 'It appears you have only 1 node'. But other codes
run in parallel with good scaling on 8 nodes.

Kindly let me know.

Venkatesh

On Mon, May 18, 2015 at 11:21 PM, Barry Smith <bsmith at mcs.anl.gov> wrote:

>
>    Run the streams benchmark on this system and send the results.
> http://www.mcs.anl.gov/petsc/documentation/faq.html#computers
>
>
> > On May 18, 2015, at 11:14 AM, venkatesh g <venkateshgk.j at gmail.com>
> wrote:
> >
> > Hi,
> > I have emailed the mumps-user list.
> > Actually the cluster has 8 nodes with 16 cores, and other codes scale
> well.
> > I wanted to ask if this job takes much time, then if I submit on more
> cores, I have to increase the icntl(14).. which would again take long time.
> >
> > So is there another way ?
> >
> > cheers,
> > Venkatesh
> >
> > On Mon, May 18, 2015 at 7:16 PM, Matthew Knepley <knepley at gmail.com>
> wrote:
> > On Mon, May 18, 2015 at 8:29 AM, venkatesh g <venkateshgk.j at gmail.com>
> wrote:
> > Hi I have attached the performance logs for 2 jobs on different
> processors. I had to increase the workspace icntl(14) when I submit on more
> cores since it is failing with small value of icntl(14).
> >
> > 1. performance_log1.txt is run on 8 cores (option given
> -mat_mumps_icntl_14 200)
> > 2. performance_log2.txt is run on 2 cores (option given
> -mat_mumps_icntl_14 85  )
> >
> > 1) Your number of iterates increased from 7600 to 9600, but that is a
> relatively small effect
> >
> > 2) MUMPS is just taking a lot longer to do forward/backward solve. You
> might try emailing
> > the list for them. However, I would bet that your system has enough
> bandwidth for 2 procs
> > and not much more.
> >
> >   Thanks,
> >
> >      Matt
> >
> > Venkatesh
> >
> > On Sun, May 17, 2015 at 6:13 PM, Matthew Knepley <knepley at gmail.com>
> wrote:
> > On Sun, May 17, 2015 at 1:38 AM, venkatesh g <venkateshgk.j at gmail.com>
> wrote:
> > Hi, Thanks for the information. I now increased the workspace by adding
> '-mat_mumps_icntl_14 100'
> >
> > It works. However, the problem is, if I submit in 1 core I get the
> answer in 200 secs, but with 4 cores and '-mat_mumps_icntl_14 100' it takes
> 3500secs.
> >
> > Send the output of -log_summary for all performance queries. Otherwise
> we are just guessing.
> >
> >     Matt
> >
> > My command line is: 'mpiexec -np 4 ./ex7 -f1 a2 -f2 b2 -eps_nev 1
> -st_type sinvert -eps_max_it 5000 -st_ksp_type preonly -st_pc_type lu
> -st_pc_factor_mat_solver_package mumps -mat_mumps_icntl_14 100'
> >
> > Kindly let me know.
> >
> > Venkatesh
> >
> >
> >
> > On Sat, May 16, 2015 at 7:10 PM, David Knezevic <
> david.knezevic at akselos.com> wrote:
> > On Sat, May 16, 2015 at 8:08 AM, venkatesh g <venkateshgk.j at gmail.com>
> wrote:
> > Hi,
> > I am trying to solving AX=lambda BX eigenvalue problem.
> >
> > A and B are of sizes 3600x3600
> >
> > I run with this command :
> >
> > 'mpiexec -np 4 ./ex7 -f1 a2 -f2 b2 -eps_nev 1 -st_type sinvert
> -eps_max_it 5000 -st_ksp_type preonly -st_pc_type lu
> -st_pc_factor_mat_solver_package mumps'
> >
> > I get this error: (I get result only when I give 1 or 2 processors)
> > Reading COMPLEX matrices from binary files...
> > [0]PETSC ERROR: --------------------- Error Message
> ------------------------------------
> > [0]PETSC ERROR: Error in external library!
> > [0]PETSC ERROR: Error reported by MUMPS in numerical factorization
> phase: INFO(1)=-9, INFO(2)=2024
> >
> >
> > The MUMPS error types are described in Chapter 7 of the MUMPS manual. In
> this case you have INFO(1)=-9, which is explained in the manual as:
> >
> > "–9 Main internal real/complex workarray S too small. If INFO(2) is
> positive, then the number of entries that are missing in S at the moment
> when the error is raised is available in INFO(2). If INFO(2) is negative,
> then its absolute value should be multiplied by 1 million. If an error –9
> occurs, the user should increase the value of ICNTL(14) before calling the
> factorization (JOB=2) again, except if ICNTL(23) is provided, in which case
> ICNTL(23) should be increased."
> >
> > This says that you should use ICTNL(14) to increase the working space
> size:
> >
> > "ICNTL(14) is accessed by the host both during the analysis and the
> factorization phases. It corresponds to the percentage increase in the
> estimated working space. When significant extra fill-in is caused by
> numerical pivoting, increasing ICNTL(14) may help. Except in special cases,
> the default value is 20 (which corresponds to a 20 % increase)."
> >
> > So, for example, you can avoid this error via the following command line
> argument to PETSc: "-mat_mumps_icntl_14 30", where 30 indicates that we
> allow a 30% increase in the workspace instead of the default 20%.
> >
> > David
> >
> >
> >
> >
> >
> >
> > --
> > What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> > -- Norbert Wiener
> >
> >
> >
> >
> > --
> > What most experimenters take for granted before they begin their
> experiments is infinitely more interesting than any results to which their
> experiments lead.
> > -- Norbert Wiener
> >
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/petsc-users/attachments/20150519/6f0eccf1/attachment-0001.html>
-------------- next part --------------
cd src/benchmarks/streams; /usr/bin/gmake  --no-print-directory streams
/cluster/share/venkatesh/petsc-3.5.3/linux-gnu/bin/mpicc -o MPIVersion.o -c -fPIC -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 -Wall -Wwrite-strings -Wno-strict-aliasing -Wno-unknown-pragmas -O   -I/cluster/share/venkatesh/petsc-3.5.3/include -I/cluster/share/venkatesh/petsc-3.5.3/linux-gnu/include    `pwd`/MPIVersion.c
/cluster/share/venkatesh/petsc-3.5.3/src/benchmarks/streams/MPIVersion.c: In function ‘main’:
/cluster/share/venkatesh/petsc-3.5.3/src/benchmarks/streams/MPIVersion.c:99: warning: value computed is not used
/cluster/share/venkatesh/petsc-3.5.3/src/benchmarks/streams/MPIVersion.c:103: warning: value computed is not used
Number of MPI processes 1
Process 0 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:        6902.4288
Scale:       6686.1477
Add:         7267.3209
Triad:       7347.4177
Number of MPI processes 2
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17086.9319
Scale:      16523.1725
Add:        18397.7537
Triad:      18843.7471
Number of MPI processes 3
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       18378.9967
Scale:      17876.0998
Add:        19955.7187
Triad:      20279.8005
Number of MPI processes 4
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       18317.7102
Scale:      17908.8977
Add:        20086.3669
Triad:      20595.9138
Number of MPI processes 5
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       18014.6277
Scale:      17749.5260
Add:        20221.8266
Triad:      20523.3457
Number of MPI processes 6
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17707.3799
Scale:      17312.7292
Add:        19866.6142
Triad:      20421.0646
Number of MPI processes 7
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       18032.9462
Scale:      18227.9864
Add:        20153.5011
Triad:      20272.5224
Number of MPI processes 8
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       18157.8195
Scale:      17795.5266
Add:        20279.1823
Triad:      20429.6992
Number of MPI processes 9
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17992.4195
Scale:      17895.6520
Add:        20261.2123
Triad:      20268.0128
Number of MPI processes 10
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       18032.9722
Scale:      17803.6405
Add:        20275.4183
Triad:      20331.5734
Number of MPI processes 11
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17979.6366
Scale:      17938.5844
Add:        20025.9127
Triad:      20264.9269
Number of MPI processes 12
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17999.2694
Scale:      17836.7113
Add:        20215.8741
Triad:      20148.6332
Number of MPI processes 13
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17843.2142
Scale:      17913.6416
Add:        20051.1341
Triad:      20248.3982
Number of MPI processes 14
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17726.6043
Scale:      17846.1749
Add:        20133.6683
Triad:      20116.7300
Number of MPI processes 15
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Process 14 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17748.3574
Scale:      17730.9431
Add:        20131.9446
Triad:      20140.4377
Number of MPI processes 16
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Process 14 earth.ceas.iisc.ernet.in
Process 15 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17851.9776
Scale:      17612.7354
Add:        20050.5608
Triad:      20294.3173
Number of MPI processes 17
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Process 14 earth.ceas.iisc.ernet.in
Process 15 earth.ceas.iisc.ernet.in
Process 16 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17736.6966
Scale:      17799.4394
Add:        20238.6540
Triad:      19922.1132
Number of MPI processes 18
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Process 14 earth.ceas.iisc.ernet.in
Process 15 earth.ceas.iisc.ernet.in
Process 16 earth.ceas.iisc.ernet.in
Process 17 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17713.9050
Scale:      17704.2554
Add:        19988.1965
Triad:      20111.7783
Number of MPI processes 19
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Process 14 earth.ceas.iisc.ernet.in
Process 15 earth.ceas.iisc.ernet.in
Process 16 earth.ceas.iisc.ernet.in
Process 17 earth.ceas.iisc.ernet.in
Process 18 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17845.2428
Scale:      17716.9512
Add:        19960.8970
Triad:      19996.5972
Number of MPI processes 20
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Process 14 earth.ceas.iisc.ernet.in
Process 15 earth.ceas.iisc.ernet.in
Process 16 earth.ceas.iisc.ernet.in
Process 17 earth.ceas.iisc.ernet.in
Process 18 earth.ceas.iisc.ernet.in
Process 19 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17679.7657
Scale:      17788.3173
Add:        19918.5972
Triad:      20140.1278
Number of MPI processes 21
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Process 14 earth.ceas.iisc.ernet.in
Process 15 earth.ceas.iisc.ernet.in
Process 16 earth.ceas.iisc.ernet.in
Process 17 earth.ceas.iisc.ernet.in
Process 18 earth.ceas.iisc.ernet.in
Process 19 earth.ceas.iisc.ernet.in
Process 20 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17729.0197
Scale:      17551.8412
Add:        19939.2570
Triad:      20018.7010
Number of MPI processes 22
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Process 14 earth.ceas.iisc.ernet.in
Process 15 earth.ceas.iisc.ernet.in
Process 16 earth.ceas.iisc.ernet.in
Process 17 earth.ceas.iisc.ernet.in
Process 18 earth.ceas.iisc.ernet.in
Process 19 earth.ceas.iisc.ernet.in
Process 20 earth.ceas.iisc.ernet.in
Process 21 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17718.9268
Scale:      17646.6164
Add:        19958.9034
Triad:      20019.6979
Number of MPI processes 23
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Process 14 earth.ceas.iisc.ernet.in
Process 15 earth.ceas.iisc.ernet.in
Process 16 earth.ceas.iisc.ernet.in
Process 17 earth.ceas.iisc.ernet.in
Process 18 earth.ceas.iisc.ernet.in
Process 19 earth.ceas.iisc.ernet.in
Process 20 earth.ceas.iisc.ernet.in
Process 21 earth.ceas.iisc.ernet.in
Process 22 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17726.1052
Scale:      17586.0347
Add:        19981.6659
Triad:      20129.2205
Number of MPI processes 24
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Process 14 earth.ceas.iisc.ernet.in
Process 15 earth.ceas.iisc.ernet.in
Process 16 earth.ceas.iisc.ernet.in
Process 17 earth.ceas.iisc.ernet.in
Process 18 earth.ceas.iisc.ernet.in
Process 19 earth.ceas.iisc.ernet.in
Process 20 earth.ceas.iisc.ernet.in
Process 21 earth.ceas.iisc.ernet.in
Process 22 earth.ceas.iisc.ernet.in
Process 23 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17679.1036
Scale:      17557.5055
Add:        20004.1105
Triad:      20058.5391
Number of MPI processes 25
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Process 14 earth.ceas.iisc.ernet.in
Process 15 earth.ceas.iisc.ernet.in
Process 16 earth.ceas.iisc.ernet.in
Process 17 earth.ceas.iisc.ernet.in
Process 18 earth.ceas.iisc.ernet.in
Process 19 earth.ceas.iisc.ernet.in
Process 20 earth.ceas.iisc.ernet.in
Process 21 earth.ceas.iisc.ernet.in
Process 22 earth.ceas.iisc.ernet.in
Process 23 earth.ceas.iisc.ernet.in
Process 24 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17701.5456
Scale:      17660.2441
Add:        19982.5803
Triad:      20008.9784
Number of MPI processes 26
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Process 14 earth.ceas.iisc.ernet.in
Process 15 earth.ceas.iisc.ernet.in
Process 16 earth.ceas.iisc.ernet.in
Process 17 earth.ceas.iisc.ernet.in
Process 18 earth.ceas.iisc.ernet.in
Process 19 earth.ceas.iisc.ernet.in
Process 20 earth.ceas.iisc.ernet.in
Process 21 earth.ceas.iisc.ernet.in
Process 22 earth.ceas.iisc.ernet.in
Process 23 earth.ceas.iisc.ernet.in
Process 24 earth.ceas.iisc.ernet.in
Process 25 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17689.5153
Scale:      17690.2272
Add:        19992.6007
Triad:      20009.8738
Number of MPI processes 27
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Process 14 earth.ceas.iisc.ernet.in
Process 15 earth.ceas.iisc.ernet.in
Process 16 earth.ceas.iisc.ernet.in
Process 17 earth.ceas.iisc.ernet.in
Process 18 earth.ceas.iisc.ernet.in
Process 19 earth.ceas.iisc.ernet.in
Process 20 earth.ceas.iisc.ernet.in
Process 21 earth.ceas.iisc.ernet.in
Process 22 earth.ceas.iisc.ernet.in
Process 23 earth.ceas.iisc.ernet.in
Process 24 earth.ceas.iisc.ernet.in
Process 25 earth.ceas.iisc.ernet.in
Process 26 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17679.5819
Scale:      17723.8157
Add:        20062.3149
Triad:      20088.0081
Number of MPI processes 28
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Process 14 earth.ceas.iisc.ernet.in
Process 15 earth.ceas.iisc.ernet.in
Process 16 earth.ceas.iisc.ernet.in
Process 17 earth.ceas.iisc.ernet.in
Process 18 earth.ceas.iisc.ernet.in
Process 19 earth.ceas.iisc.ernet.in
Process 20 earth.ceas.iisc.ernet.in
Process 21 earth.ceas.iisc.ernet.in
Process 22 earth.ceas.iisc.ernet.in
Process 23 earth.ceas.iisc.ernet.in
Process 24 earth.ceas.iisc.ernet.in
Process 25 earth.ceas.iisc.ernet.in
Process 26 earth.ceas.iisc.ernet.in
Process 27 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17713.3862
Scale:      17653.8698
Add:        20033.4436
Triad:      20090.3366
Number of MPI processes 29
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Process 14 earth.ceas.iisc.ernet.in
Process 15 earth.ceas.iisc.ernet.in
Process 16 earth.ceas.iisc.ernet.in
Process 17 earth.ceas.iisc.ernet.in
Process 18 earth.ceas.iisc.ernet.in
Process 19 earth.ceas.iisc.ernet.in
Process 20 earth.ceas.iisc.ernet.in
Process 21 earth.ceas.iisc.ernet.in
Process 22 earth.ceas.iisc.ernet.in
Process 23 earth.ceas.iisc.ernet.in
Process 24 earth.ceas.iisc.ernet.in
Process 25 earth.ceas.iisc.ernet.in
Process 26 earth.ceas.iisc.ernet.in
Process 27 earth.ceas.iisc.ernet.in
Process 28 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17715.5523
Scale:      17658.6908
Add:        19999.5113
Triad:      20055.8129
Number of MPI processes 30
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Process 14 earth.ceas.iisc.ernet.in
Process 15 earth.ceas.iisc.ernet.in
Process 16 earth.ceas.iisc.ernet.in
Process 17 earth.ceas.iisc.ernet.in
Process 18 earth.ceas.iisc.ernet.in
Process 19 earth.ceas.iisc.ernet.in
Process 20 earth.ceas.iisc.ernet.in
Process 21 earth.ceas.iisc.ernet.in
Process 22 earth.ceas.iisc.ernet.in
Process 23 earth.ceas.iisc.ernet.in
Process 24 earth.ceas.iisc.ernet.in
Process 25 earth.ceas.iisc.ernet.in
Process 26 earth.ceas.iisc.ernet.in
Process 27 earth.ceas.iisc.ernet.in
Process 28 earth.ceas.iisc.ernet.in
Process 29 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17706.5495
Scale:      17632.8140
Add:        20064.5500
Triad:      20080.0843
Number of MPI processes 31
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Process 14 earth.ceas.iisc.ernet.in
Process 15 earth.ceas.iisc.ernet.in
Process 16 earth.ceas.iisc.ernet.in
Process 17 earth.ceas.iisc.ernet.in
Process 18 earth.ceas.iisc.ernet.in
Process 19 earth.ceas.iisc.ernet.in
Process 20 earth.ceas.iisc.ernet.in
Process 21 earth.ceas.iisc.ernet.in
Process 22 earth.ceas.iisc.ernet.in
Process 23 earth.ceas.iisc.ernet.in
Process 24 earth.ceas.iisc.ernet.in
Process 25 earth.ceas.iisc.ernet.in
Process 26 earth.ceas.iisc.ernet.in
Process 27 earth.ceas.iisc.ernet.in
Process 28 earth.ceas.iisc.ernet.in
Process 29 earth.ceas.iisc.ernet.in
Process 30 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17729.5745
Scale:      17674.5220
Add:        20044.3250
Triad:      20092.4184
Number of MPI processes 32
Process 0 earth.ceas.iisc.ernet.in
Process 1 earth.ceas.iisc.ernet.in
Process 2 earth.ceas.iisc.ernet.in
Process 3 earth.ceas.iisc.ernet.in
Process 4 earth.ceas.iisc.ernet.in
Process 5 earth.ceas.iisc.ernet.in
Process 6 earth.ceas.iisc.ernet.in
Process 7 earth.ceas.iisc.ernet.in
Process 8 earth.ceas.iisc.ernet.in
Process 9 earth.ceas.iisc.ernet.in
Process 10 earth.ceas.iisc.ernet.in
Process 11 earth.ceas.iisc.ernet.in
Process 12 earth.ceas.iisc.ernet.in
Process 13 earth.ceas.iisc.ernet.in
Process 14 earth.ceas.iisc.ernet.in
Process 15 earth.ceas.iisc.ernet.in
Process 16 earth.ceas.iisc.ernet.in
Process 17 earth.ceas.iisc.ernet.in
Process 18 earth.ceas.iisc.ernet.in
Process 19 earth.ceas.iisc.ernet.in
Process 20 earth.ceas.iisc.ernet.in
Process 21 earth.ceas.iisc.ernet.in
Process 22 earth.ceas.iisc.ernet.in
Process 23 earth.ceas.iisc.ernet.in
Process 24 earth.ceas.iisc.ernet.in
Process 25 earth.ceas.iisc.ernet.in
Process 26 earth.ceas.iisc.ernet.in
Process 27 earth.ceas.iisc.ernet.in
Process 28 earth.ceas.iisc.ernet.in
Process 29 earth.ceas.iisc.ernet.in
Process 30 earth.ceas.iisc.ernet.in
Process 31 earth.ceas.iisc.ernet.in
Function      Rate (MB/s) 
Copy:       17731.4969
Scale:      17660.6923
Add:        20066.4112
Triad:      20130.9258
------------------------------------------------
np  speedup
1 1.0
2 2.56
3 2.76
4 2.8
5 2.79
6 2.78
7 2.76
8 2.78
9 2.76
10 2.77
11 2.76
12 2.74
13 2.76
14 2.74
15 2.74
16 2.76
17 2.71
18 2.74
19 2.72
20 2.74
21 2.72
22 2.72
23 2.74
24 2.73
25 2.72
26 2.72
27 2.73
28 2.73
29 2.73
30 2.73
31 2.73
32 2.74
Estimation of possible speedup of MPI programs based on Streams benchmark.
It appears you have 1 node(s)
Unable to open matplotlib to plot speedup
Unable to open matplotlib to plot speedup