Development plan

Development plan

SPECFEM2D

last update: December, 2023

Feature	Priority	Timeline	Status	Version
PML on GPU for elastic case	medium	-	👍	version 8.1
poroelastic kernel / iterations / tools	medium	-	💤
HTI & TTI kernels from Wenyong's modified version	medium	-	-
time-reversal simulation (by Zoe)	medium	2023	🌧️
higher-order time scheme symplectic	low	-	-

Version history

• version 8.1 (December 2023):
  Hom Nath Gharti, Daniel Peter, Eduardo Valero Cano

  • adds support for Q values in tomographic models
  • updates GPU support, OpenMP and test workflows
  • various code updates and improvements (noise simulations)

• version 8.0 (December 2022):
  Etienne Bachmann, Alexis Bottero, Bryant Chow, Paul Cristini, Rene Gassmoeller, Michael Gineste, Felix Halpaap, Dimitri Komatitsch, Matthieu Lefebvre, Qiancheng Liu, Qinya Liu, Zhaolun Liu, David Luet, Ryan Modrak, Christina Morency, Daniel Peter, Eric Rosenkrantz, Herurisa Rusmanugroho, Elliott Sales de Andrade, Eduardo Valero Cano, Zhinan Xie, Zhendong Zhang

  • various code improvements
  • GPU support
  • axisymmetric 2.5D simulations
  • external mesh merge arrays with internal material properties

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Issues

Issue	Priority	Timeline	Status
-	-	-	💤

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Continuous testing

Github Actions

OS: Linux (Ubuntu-latest 20.04, Ubuntu 16.04), MacOS (v10.15 Catalina)

• for Pull requests:
  • make

Buildbot
OS: Linux (Springdale Linux release 6.10)
compiler: GCC, Intel (v13.0), CUDA (v5.5)

• for Pull requests:

  • make
  • make --with-mpi
  • make --without-mpi
  • make --enable-double-precision
  • make --with-cuda=cuda5
  • make (w/ Intel)
  • tests example simple_topography_and_also_a_simple_fluid_layer
  • tests default Par_file

• nightly builds:

  • simple_topography_and_also_a_simple_fluid_layer
  • axisymmetric_case_AXISYM_option
  • fluid_solid_external_mesh
  • LuoYang_fluid_solid_kernel

Travis-CI

• for Pull requests:
  • 30 different tests compile and run a limited number of timesteps
  • tests serial & MPI version
  • tests single & double precision & vectorization
  • tests NGLL 5
  • tests PML & Stacey
  • tests Newmark & LDDRK time scheme
  • tests axisymmetric & attenuation
  • tests acoustic, elastic & poroelastic media
  • tests initialfield Rayleigh & Rayleigh w/ crack
  • tests PSV & SH waves
  • tests noise simulation
  • tests NO_BACKWARD_RECONSTRUCTION
  • tests moving sources

Code coverage

• integrated through travis tests
• includes only CPU code tests

Jenkins
OS: Linux (Ubuntu 16.04.7 LTS)
compiler: GCC (v5.4.0), CUDA (v10.1)
hardware: CPU Intel(R) Xeon(R) CPU E5-2680 v3, GPU Tesla K40c

• for Pull requests:
  • make tests
  • example simple_topography_and_also_a_simple_fluid_layer
  • example axisymmetric
  • example Tape2007 GPU
  • example Tromp2005 kernel GPU
  • example moving_sources_acoustic GPU
  • example industrial_format_SEP GPU
  • example anisotropic GPU
  • example anisotropic_isotropic_model GPU
  • example check_amplitude_viscoelastic GPU

Azure

OS: Ubuntu latest (20.04.3)

• for Pull requests:
  • compilation w/ GCC 7, 9 and 10
  • compilation w/ CUDA 10 and 11
  • example simple_topography_and_also_a_simple_fluid_layer

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status	legend
✔️	done
👍	agree, would be nice to have
🔧	work in progress...
🌧️	waiting for sunnier days
💤	hibernating