On Mar 1, 2019, at 11:00 AM, Sajid Ali
mailto:sajidsyed2...@u.northwestern.edu>>
wrote:
Hi Hong,
So, the speedup was coming from increased DRAM bandwidth and not the usage of
MCDRAM.
Certainly the speedup was coming from the usage of MCDRAM (which has much
higher bandwidth than DRAM). Wha
Hi Hong,
So, the speedup was coming from increased DRAM bandwidth and not the usage
of MCDRAM.
There is moderate MPI imbalance, large amount of Back-End stalls and good
vectorization.
I'm attaching my submit script, PETSc log file and Intel APS summary (all
as non-HTML text). I can give more det
On Feb 28, 2019, at 6:10 AM, Sajid Ali
mailto:sajidsyed2...@u.northwestern.edu>>
wrote:
Hi Hong,
Thanks for the advice. I see that the example takes ~180 seconds to run but I
can't see the DRAM vs MCDRAM info from Intel APS. I'll try to fix the profiling
and get back with further questions.
Hi Hong,
Thanks for the advice. I see that the example takes ~180 seconds to run but
I can't see the DRAM vs MCDRAM info from Intel APS. I'll try to fix the
profiling and get back with further questions.
Also, the intel-mpi manpages say that the use of tmi is now deprecated :
https://software.int
For LCRC, it is better to follow the example on their website
(http://www.lcrc.anl.gov/for-users/using-lcrc/running-jobs/running-jobs-on-bebop/)
#!/bin/bash
#SBATCH -J mympijobname
#SBATCH -A myaccount
#SBATCH -p knlall
#SBATCH -C knl,quad,cache
#SBATCH -N 2
#SBATCH --ntasks-per-node=64
#SBATCH
On Wed, Feb 27, 2019 at 7:03 PM Sajid Ali
mailto:sajidsyed2...@u.northwestern.edu>>
wrote:
Hi Junchao,
I’m confused with the syntax. If I submit the following as my job script, I get
an error :
#!/bin/bash
#SBATCH --job-name=petsc_test
#SBATCH -N 1
#SBATCH -C knl,quad,flat
#SBATCH -p apsxr
Hi Junchao,
I’m confused with the syntax. If I submit the following as my job script, I
get an error :
#!/bin/bash
#SBATCH --job-name=petsc_test
#SBATCH -N 1
#SBATCH -C knl,quad,flat
#SBATCH -p apsxrmd
#SBATCH --time=1:00:00
module load intel/18.0.3-d6gtsxs
module load intel-parallel-studio/clus
Use srun numactl -m 1 ./app OR srun numactl -p 1
./app
See bottom of
https://www.nersc.gov/users/computational-systems/cori/configuration/knl-processor-modes/
--Junchao Zhang
On Wed, Feb 27, 2019 at 4:16 PM Sajid Ali via petsc-users
mailto:petsc-users@mcs.anl.gov>> wrote:
Hi,
I ran a TS in
