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 <bsm...@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 <venkateshg...@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 <knep...@gmail.com> > wrote: > > On Mon, May 18, 2015 at 8:29 AM, venkatesh g <venkateshg...@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 <knep...@gmail.com> > wrote: > > On Sun, May 17, 2015 at 1:38 AM, venkatesh g <venkateshg...@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.kneze...@akselos.com> wrote: > > On Sat, May 16, 2015 at 8:08 AM, venkatesh g <venkateshg...@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 > > > >
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 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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