Issues

• [SUBMODULE UPDATE] Fix seg fault at end of GCHP runs

  category: Bug Fix
  geoschem/GCHP#576 · Filter by author lizziel opened on Sep 24, 2026 · 14.8.1
  

• MPI_THREAD_MULTIPLE in MAPL

  category: Bugtopic: Build
  geoschem/GCHP#575 · Filter by author tkoskela opened on Sep 24, 2026
  1

• Recent OneAPI compilers don't get picked up by CMake

  category: Bugtopic: Build
  geoschem/GCHP#573 · Filter by author tkoskela opened on Sep 17, 2026
  1

• OpenMP threads support

  category: Questiontopic: Performance
  geoschem/GCHP#571 · Filter by author tkoskela opened on Sep 9, 2026
  4

  

• Run failure when disabling top-level CH4 or CO switches in GCHP-Carbon Simulation

  category: Bugstaletopic: Carbon Simulation
  geoschem/GCHP#570 · Filter by author mcdon1718-h opened on Sep 3, 2026
  5

  

• GCHP documentation updates

  category: Documentationnever stale
  geoschem/GCHP#566 · Filter by author mcdon1718-h opened on Jul 30, 2026 · 15.0.0
  

• Errors migrating to ExtData2G (and 3G)

  category: Discussionnever staleTODO: MAPL development
  geoschem/GCHP#565 · Filter by author mcdon1718-h opened on Jul 30, 2026
  

• [Feature Request] obspack in GCHP

  category: Feature Requesttopic: Diagnosticstopic: Usability
  geoschem/GCHP#561 · Filter by author aschuh opened on Jul 16, 2026
  4

• Benign double-free SIGABRT at finalization (std::vector<ompi_datatype_t*> dtor) on GCHP 14.7.1 / OpenMPI 4.1.7

  category: Bugnever staletopic: Runtime
  geoschem/GCHP#556 · Filter by author scttfrdmn opened on Jun 21, 2026
  14

  

• Non-uniform PassiveTracer in 14.7.0

  category: Bugnever staletopic: Restart Files
  geoschem/GCHP#552 · Filter by author yuanjianz opened on Jun 3, 2026
  43

• Improved way to download input files needed for GCHP

  category: Bugnever staletopic: Input Datatopic: Usability
  geoschem/GCHP#551 · Filter by author eamarais opened on May 18, 2026
  9

  

• NEI2022 Implementation Leads to 17% Increase in Memory Usage

  category: Bugnever staletopic: Performance
  geoschem/GCHP#542 · Filter by author laura-hyesung-yang opened on Apr 7, 2026
  28

• MPI_ERR_WIN: invalid window

  category: Bugnever staletopic: User Environment
  geoschem/GCHP#539 · Filter by author tkoskela opened on Mar 27, 2026
  13

  

• GCHP Memory Leakage when Using C720 Derived Winds on AWS

  category: Bugnever staletopic: Performance
  geoschem/GCHP#525 · Filter by author laura-hyesung-yang opened on Nov 24, 2025
  10

  

• Stop GCHP build if CMake detects library conflicts from a Conda environment

  category: Feature Requesttopic: Build
  geoschem/GCHP#520 · Filter by author yantosca opened on Nov 14, 2025
  6

  

• GCHP abort with status -124 when writing checkpoints (pnc4) in parallel with multiple writers

  category: Questionnever stale
  geoschem/GCHP#519 · Filter by author Daisy0419 opened on Oct 27, 2025
  12

  

• Optimizing GCHP benchmarks on AWS

  category: Questionnever staletopic: Performance
  geoschem/GCHP#511 · Filter by author yantosca opened on Sep 4, 2025
  20

  

• Constant value for all grid boxes in Passive Tracer monthly mean diagnostic

  category: Bugnever staletopic: Diagnostics
  geoschem/GCHP#399 · Filter by author lizziel opened on Apr 4, 2024
  1

  

• Small differences in JOH and JNO2 restart variables upon 14.3.0 restart

  category: Bugnever staletopic: Restart Files
  geoschem/GCHP#375 · Filter by author lizziel opened on Jan 31, 2024
  5

  

• [FEATURE REQUEST] Add support for ifx compiler

  category: Feature Requestnever staletopic: Build
  geoschem/GCHP#360 · Filter by author yantosca opened on Dec 6, 2023
  4

  

• [FEATURE REQUEST] Write repository commit hashes to CMakeCache.txt

  category: Feature Requesttopic: Build
  geoschem/GCHP#345 · Filter by author lizziel opened on Sep 27, 2023
  

• [DISCUSSION] Meteorology for GCHP advection

  category: Discussiontopic: Input Datatopic: Mass Fluxes
  geoschem/GCHP#342 · Filter by author lizziel opened on Sep 5, 2023
  74

  

• [FEATURE REQUEST] Suppress WARNING messages when building GCHP

  category: Feature Requestnever staletopic: Build
  geoschem/GCHP#322 · Filter by author msulprizio opened on Jun 14, 2023
  12

• [DISCUSSION] Profiling GCHP Performance using external utilities

  category: Discussiontopic: Performance
  geoschem/GCHP#233 · Filter by author lizziel opened on Jun 28, 2022
  1

• Reduce restart file size by changing some vars from R8 to R4

  category: Feature Requestseeking-info-from-communitytopic: Performancetopic: Restart Files
  geoschem/GCHP#230 · Filter by author lizziel opened on Jun 24, 2022
  3