GCHP v11-02

Version Mapping and Status

The table below maps GEOS-Chem versions and status with the compatible versions of the high performance option (GCHP) and unit tester (UT). The version currently recommended for download is highlighted in green. The version currently in development is highlighted in cyan. Unless otherwise specified, all versions appear as git tags within the master branches of the repositories linked to in the table heading.

GCHP	GEOS-Chem	UT	Validation Status	Notes
hp_v1.1.0	v11-02b	v11-02b	In progress	First formal benchmark of HP option
hp_v1.0.0	v11-01_public	v11-01_public	Internal benchmark complete (April 2017)	Requires GEOS-Chem and UT branches GCHP_master

New Features in this Version

HP v1.1.0

This version will be included in the 1-month benchmark of GEOS-Chem v11-02b. Please see the v11-02b HP 1-month benchmark form for complete information on validation of this version.

Feature	Submitted by	Type	Status
Features affecting the full-chemistry simulation:
Enable compiling GCHP with the gfortran compiler	Seb Eastham (Harvard)	Structural	Pending benchmark approval
Update handling of the species restart file: Allow omission of advected species from the restart file Add option to skip use of a species restart file and initialize all species concentrations from the species database	Lizzie Lundgren (GCST)	Structural	" "
Apply updates for compatibility with changes introduced in GEOS-Chem v11-02a Enable usage of day-of-week scale factors Updates to changes in Input_Opt variables	Seb Eastham (Harvard) Lizzie Lundgren (GCST)	Structural	" "

HP v1.0.0

GEOS-Chem HP v1.0.0 did not undergo a formal benchmark. Please see the following link for information about the internal benchmark of this version:

• GEOS-Chem v11-01 HP validation

Feature	Submitted by	Type	Status
Initial version	Mike Long (GCST) Seb Eastham (Harvard) Jiawei Zhuang (Harvard) Bob Yantosca (GCST) Lizzie Lundgren (GCST)	General	Internal benchmark complete (April 2017)

In the pipeline

Feature	Submitted by	Type	Status
On hold

Validation

In this section we provide information about the benchmarks and tests that we have done to validate GEOS-Chem v11-01.

1-month and 1-year benchmarks

For complete information about the benchmark simulations used to validate GEOS-Chem v11-02, please see our GEOS-Chem v11-02 benchmark history wiki page.

Outstanding HP issues not yet resolved in GEOS-Chem v11-02

TBD