Skip to content

Perf boost [WIP] #36

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom
Open
mchandra wants to merge 8 commits into
base: master
Choose a base branch
from
Open

Perf boost [WIP] #36

mchandra wants to merge 8 commits into from

Conversation

@mchandra
Copy link
Contributor

@mchandra mchandra commented Oct 9, 2017

Transfer from af<->np<->petsc without reordering

Initial testing:

$ AF_OPENCL_DEFAULT_DEVICE_TYPE=CPU python test_af_np_petsc_data_transfer.py 
ArrayFire v3.6.0 (OpenCL, 64-bit Linux, build d9bc8d7)
-0- NVIDIA: Quadro M1000M, 2047 MB
[1] INTEL: Intel(R) Xeon(R) CPU E3-1505M v5 @ 2.80GHz, 31993 MB
---------------------
N_q1 + 2*N_ghost = 70
N_q2 + 2*N_ghost = 134
dof              = 4096
---------------------

af_array_old.shape =  (70, 134, 4096)
af_array_new.shape =  (4096, 70, 134)
 
comm_old =  2.8967 secs/iter
comm_new =  0.8536 secs/iter

shyams2 and others added 7 commits September 22, 2017 11:08
WIP Poisson solver debugging
c6f751d
1) Added option to get ksp to read command line arguments. Needed to …
e3ada3f 
…add additional

headers in test files for petsc to read command line arguments.
2) test_compute_electrostatic_fields.py is in flux

Run with : python test_compute_electrostatic_fields.py -ksp_monitor
* Using SNES to solve Poisson equation
3a7d353 
* First attempt: managed to solve x^2 - 2 = 0 over [63, 63] grid using SNES
Got residual assembly for f(x) = x^2 - 2. over [N_q1, N_q2] working w…
e18df04 
…ith both

numpy and arrarfire arrays
Poisson solver now works with SNES.
1a2961e 
  * Periodic BCs work once background density has been subtracted correctly
First iteration of 3D poisson solver + 2D charge density. Code in tests/
d84a745
Added perf test for comm to compare old and new ordering
dababd8
@mchandra mchandra changed the title Perf boost Perf boost [WIP] Oct 9, 2017
@shyams2
Copy link
Contributor

shyams2 commented Oct 10, 2017

Results when run on savio:

ArrayFire v3.6.0 (OpenCL, 64-bit Linux, build 4a60571)
[0] NVIDIA: Tesla K80, 11439 MB
-1- INTEL: Intel(R) Xeon(R) CPU E5-2623 v3 @ 3.00GHz, 64449 MB
-2- AMD: Intel(R) Xeon(R) CPU E5-2623 v3 @ 3.00GHz, 64449 MB
---------------------
N_q1 + 2*N_ghost = 70
N_q2 + 2*N_ghost = 134
dof              = 4096
---------------------

af_array_old.shape =  (70, 134, 4096)
af_array_new.shape =  (4096, 70, 134)
 
comm_old =  0.7544 secs/iter
comm_new =  0.2407 secs/iter

Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment

Reviewers

No reviews

Assignees

No one assigned

Labels

None yet

Projects

None yet

Milestone

No milestone

Development

Successfully merging this pull request may close these issues.

2 participants

@mchandra @shyams2