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#22 (May 6, 2026, 3:23:00 AM)

CHG: Claude found some mistakes that are now corrected

mathieu.morlighem at 9:53 AM 4/29/26

CHG: basalstress.m - cleaned up some code and improved documentation.

benjamingetraer at 10:42 AM 4/29/26

NEW: effectivepressure.m - calculate effective pressure according to md.friction.coupling

benjamingetraer at 10:43 AM 4/29/26

CHG: basalstress.m - cleaned up some code and improved documentation.

benjamingetraer at 11:00 AM 4/29/26

NEW: effectivepressure.m - calculate effective pressure according to md.friction.coupling

benjamingetraer at 11:04 AM 4/29/26

Viscoelastic NR archive update, + test2011 realigned to consistent maxiter

lambert.caron at 11:13 AM 4/29/26

restore basalstress from upstream

benjamingetraer at 11:13 AM 4/29/26

CHG: improve clarity and documentation of basalstress.m

benjamingetraer at 12:26 PM 4/29/26

CHG: basalstress.m now uses effectivepressure.m to calculate effective pressure.

benjamingetraer at 12:57 PM 4/29/26

CHG: typos in effectivepressure.m header

benjamingetraer at 1:00 PM 4/29/26

CHG: bug fix - move check for md.friction.coupling from basalstress.m to effectivepressure.m, move effectivepressure() call in basalstress.m to within the switch/case statements, ie do not call effective pressure at all for frictionweertman.

benjamingetraer at 7:57 PM 4/29/26

BUG: MATLAB's mexPrintf is not thread safe, do not pring anything within a thread

Mathieu Morlighem at 8:53 AM 4/30/26

Autom4ke collapses square brackets

34657535+TidbitSoftware at 10:11 AM 4/30/26

CHG:completed the 12 inputs MAR-IA SMB emulator

55120383+yinmin-liu at 1:06 PM 4/30/26

CHG: Synchronize MATLAB and Python implementations for basalstress and effectivepressure.

inwoo0415 at 1:28 AM 5/1/26

CHG: add default emissiving to GEMB and add option 3 for te change with melt present

95945328+NJSchlegel at 1:22 PM 5/1/26

NEW: viscoussampling parameter allows greensfunctions in the grd core to be sampled non-linearly in time, speeding up runs with many time steps

lambert.caron at 3:10 PM 5/1/26

viscoussampling better default value

lambert.caron at 3:23 PM 5/1/26

CHG: add GEMB mapping with neighbors for interpolation

95945328+NJSchlegel at 4:28 PM 5/1/26

CHG: add static cast to GEMB mapping neighbor indices

95945328+NJSchlegel at 4:56 PM 5/1/26

CHG: add static cast to GEMB double to int mapping neighbor indices

95945328+NJSchlegel at 6:04 PM 5/1/26

CHG: GEMB mapping casting check

95945328+NJSchlegel at 6:44 PM 5/1/26

CHG: Fix indent in interpISMIP7AntarcticaOcn.m.

inwoo0415 at 10:25 PM 5/1/26

NEW: Initialize interpISMIP7AntarcticaSMB.m function.

inwoo0415 at 10:25 PM 5/1/26

CHG: add default emissiving to GEMB and add option 3 for te change with melt present

inwoo0415 at 10:30 PM 5/1/26

CHG: Add a new feature to basalforcingsismip7. Introduce the islocal parameter; however, its definition has not yet been determined.

inwoo0415 at 10:42 PM 5/1/26

CHG: make GEMB mapped neighbors ints

95945328+NJSchlegel at 11:27 AM 5/2/26

CHG: merge with main enum

95945328+NJSchlegel at 11:33 AM 5/2/26

CHG: merge with main enum

95945328+NJSchlegel at 11:34 AM 5/2/26

Use get method to avoid square brackets (treated as quotes by Autom4ke) entirely.

34657535+TidbitSoftware at 1:34 PM 5/2/26

Correcting another Python lib/header discovery command

34657535+TidbitSoftware at 1:38 PM 5/2/26

CHG: updated date in copyright

mathieu.morlighem at 2:12 PM 5/3/26

CHG: style fix - removed commas at the end of if/for/while

mathieu.morlighem at 2:15 PM 5/3/26

CHG: fixed some typos

mathieu.morlighem at 2:24 PM 5/3/26

CHG: trying to fix AD

mathieu.morlighem at 6:24 PM 5/3/26

CHG: testing adThresh in GEMB nightly 258

95945328+NJSchlegel at 8:47 AM 5/4/26

CHG: Test eIdx settings in GEMB test 258

95945328+NJSchlegel at 9:22 AM 5/4/26

CHG: GEMB mapping fix AD and add mapping test if eIdx

95945328+NJSchlegel at 9:45 AM 5/4/26

CHG: GEMB lower tol for eIdx

95945328+NJSchlegel at 10:06 AM 5/4/26

CHG: clarify GEMB class mapping comments

95945328+NJSchlegel at 10:41 AM 5/4/26

CHG: fetch lon and lat when using SMBemulator

55120383+yinmin-liu at 2:19 PM 5/4/26

CHG: updated variable Enum names of SMB emulator

55120383+yinmin-liu at 2:22 PM 5/4/26

CHG: changed mass balance scaling to day2second

55120383+yinmin-liu at 2:22 PM 5/4/26

Adjusted tolerances

34657535+TidbitSoftware at 6:48 PM 5/4/26

NEW: added C++ version of M1QN3, more to come

mathieu.morlighem at 4:27 AM 5/5/26

CHG: getting rid of all gotos

mathieu.morlighem at 4:59 AM 5/5/26

NEW: now using C++ implementation of m1qn3 instead of external package

mathieu.morlighem at 5:01 AM 5/5/26

CHG: fixed m1qn3 so that it gives the same results as fortran

Mathieu Morlighem at 11:39 AM 5/5/26

#21 (Apr 29, 2026, 3:23:00 AM)

Update sea-level barystatic contribution handling

lambert.caron at 2:53 PM 4/21/26

BUG: the friction emulator should only be instantiated in case 20

55120383+yinmin-liu at 12:04 PM 4/22/26

ken.mankoff at 4:13 PM 4/22/26

ken.mankoff at 4:13 PM 4/22/26

NEW: preparing a ML based SMB calculator

55120383+yinmin-liu at 2:24 PM 4/23/26

CHG: basalforcingsismip7.py - Add structtoobj.

inwoo0415 at 8:00 PM 4/23/26

CHG: interpISMIP7AntarcticaOcn.py - Add remote 'simba41' machine.

inwoo0415 at 8:00 PM 4/23/26

CHG: Update ISMIP7 basalforcings: Add "delta_t" for calibrating thermal forcing depending on basin. Fix interpISMIP7AntarcticaOcn for loading thermal forcing and salinity of GCM.

inwoo0415 at 8:34 PM 4/23/26

CHG: Synchronize Matlab > Python "displayunsed" in pairoptions.py.

inwoo0415 at 9:17 PM 4/23/26

Fix sea-level change barystatic finalization

lambert.caron at 5:39 PM 4/24/26

CHG: some more fixes from Claude:

mathieu.morlighem at 1:01 AM 4/25/26

CHG: adding this param back, although there is no constructor etc

mathieu.morlighem at 1:03 AM 4/25/26

CHG: a lot of people get confused and run ./configure, forgetting .sh. Added a check that at least --prefix is provided as a safety measure to help users figure out their mistake

Mathieu Morlighem at 6:37 PM 4/27/26

CHG: fixed some bugs that Claude found

mathieu.morlighem at 10:02 AM 4/28/26

CHG: pull versions from previous BedMachine

Mathieu Morlighem at 11:31 AM 4/28/26

#20 (Apr 22, 2026, 3:23:00 AM)

CHG: finished friction emulator and uploaded checkpoint file for testing

55120383+yinmin-liu at 8:53 AM 4/15/26

CHG: cleanup stress balance code

mathieu.morlighem at 6:55 AM 4/16/26

CHG: testing if code is dead

mathieu.morlighem at 6:57 AM 4/16/26

CHG: code is not dead, reverting

mathieu.morlighem at 7:39 AM 4/16/26

CHG: fixed some problems reported by Claude

mathieu.morlighem at 7:56 AM 4/16/26

BUG: fixing bugs found by claude

mathieu.morlighem at 4:22 PM 4/17/26

BUG: fixing bugs found by claude

mathieu.morlighem at 6:11 PM 4/17/26

Updated archives

34657535+TidbitSoftware at 12:35 AM 4/18/26

BUG: fixed some bugs in sea level core

mathieu.morlighem at 11:37 AM 4/19/26

BUG: fixed a few problems reported by Claude

mathieu.morlighem at 1:23 PM 4/20/26

BUG: fixed some emulator compiling issues.

55120383+yinmin-liu at 2:52 PM 4/20/26

fix: check verbose flag before printing to terminal

daniel.abele at 5:34 AM 4/21/26

BUG: fixed segmentation errors when constructing and deconstructing EmulatorParam

55120383+yinmin-liu at 5:52 PM 4/21/26

#19 (Apr 15, 2026, 3:23:00 AM)

CHG: better checks for sicopolis PDD + allow for collapse

Mathieu Morlighem at 2:26 PM 4/8/26

CHG: new vik colorbar useful for color blind people

Mathieu Morlighem at 2:27 PM 4/8/26

CHG: updating tag number

mathieu.morlighem at 4:09 PM 4/8/26

CHG: loadresultsfromdisk.m – Revert formatting of outlog and errlog for MATLAB versions earlier than R2020b.

inwoo0415 at 8:03 PM 4/8/26

CHG: HydrologyShakti – Add initialization of EffectivePressureEnum in the UpdateElements section. When EffectivePressure is included in md.hydrology.requested_outputs, an error occurs while writing EffectivePressure. This fix resolves the issue; however, it is unclear whether this line is truly necessary.

inwoo0415 at 8:07 PM 4/8/26

CHG: updating version number

mathieu.morlighem at 9:39 AM 4/9/26

CHG: adding Bed as default output of solidearth model

Mathieu Morlighem at 9:51 AM 4/9/26

CHG: adding ability to collapse linear basal forcings

Mathieu Morlighem at 9:51 AM 4/9/26

CHG: adding Bed as default output of solidearth model

Mathieu Morlighem at 9:52 AM 4/9/26

CHG: always symlink when running on local machine

mathieu.morlighem at 10:15 PM 4/9/26

CHG: fixing double comma

mathieu.morlighem at 10:31 PM 4/9/26

CHG: better explanation of slope, which works for any field

mathieu.morlighem at 9:48 AM 4/10/26

CHG: collapse SMBpddFast, and inherit fields

Mathieu Morlighem at 2:16 PM 4/10/26

CHG: save model using v6 for faster performance if <2Gb

Mathieu Morlighem at 2:17 PM 4/10/26

CHG: provide input filename to marshall

Mathieu Morlighem at 2:35 PM 4/10/26

noreply at 3:31 PM 4/10/26

CHG: passing filename to BuildQueueingScript, hopefully I did not break anything... stay tuned

mathieu.morlighem at 8:08 PM 4/10/26

CHG: BuildQueueScript now takes filename as input argument

mathieu.morlighem at 9:09 PM 4/10/26

CHG: fixed windows

mathieu.morlighem at 9:11 PM 4/10/26

CHG: added CLAUDE.md to help Claude Code familiarize itself with ISSM

mathieu.morlighem at 5:11 AM 4/11/26

CHG: Synchronize Matlab > Python: class "basalforcingsismip7".

inwoo0415 at 2:27 AM 4/12/26

CHG: basalforcingsismip7.m - Add TODO note for indicating that specific variables are underdevelopment.

inwoo0415 at 2:44 AM 4/12/26

CHG: interpISMIP7AntarcticaOcn.m - Fix bugs.

inwoo0415 at 2:44 AM 4/12/26

CHG: Fix minor - add missing module in basalforcingspico.

inwoo0415 at 7:11 AM 4/12/26

CHG: removing code that is never used and had a nasty leak, thanks Claude

mathieu.morlighem at 6:39 PM 4/12/26

NEW: preparing EmulatorParam param for ML

mathieu.morlighem at 5:48 AM 4/13/26

CHG: updating packages to latest version

mathieu.morlighem at 5:48 AM 4/13/26

build: add pybind11 configure options for emulator integration

yinmin at 6:56 AM 4/13/26

NEW: only compile Emulator parameter if PyBind is on

mathieu.morlighem at 5:44 PM 4/13/26

CHG: fixing some glaring bugs, caught by claude

mathieu.morlighem at 5:44 PM 4/13/26

CHG: preparing friction emulator for Yinmin

mathieu.morlighem at 7:20 AM 4/14/26

CHG: updating friction emulator and pybind11 configurations

55120383+yinmin-liu at 3:11 PM 4/14/26

#18 (Apr 8, 2026, 3:23:00 AM)

NEW: New feature `hydrologyprescribe.m` (`hydrologyprescribe.py`). This module enables the hydraulic head to be prescribed from an external subglacial hydrology model. md.friction.coupling=3 uses a fixed effective pressure; however, for century-scale projections, the effective pressure should vary over time, as `md.geometry.thickness` changes and affects the effective pressure. Therefore, this module supports `md.friction.coupling=4`, which computes the effective pressure based on the changing ice thickness and fixed subglacial hydraulic head.

inwoo0415 at 8:45 AM 3/8/26

NEW: Implement ISMIP7 sub-ice shelf forcings and associated methods in the Element and FloatingiceMeltingRatex modules. This module is not yet fully implemented, so it needs to be fixed.

inwoo0415 at 9:32 AM 3/26/26

BUG: Fix indents and bugs.

inwoo0415 at 6:33 AM 3/27/26

CHG: Synchronize "EnumDefinitions".

inwoo0415 at 6:34 AM 3/27/26

CHG: Resolve conflicts.

inwoo0415 at 1:10 AM 3/28/26

CHG: Compute TotalHydrologyBasalFlux [m³ s⁻¹] at the grounding line (Shakti only).

inwoo0415 at 3:00 AM 3/29/26

CHG: Fix indents with tab.

inwoo0415 at 7:01 PM 3/31/26

BUG: Fix computing ISMIP7 basal forcings.

inwoo0415 at 7:29 PM 3/31/26

NEW: Initialize interpISMIP7AntarcticaOcn.m.

inwoo0415 at 7:31 PM 3/31/26

CHG: basalforcingsismip7.m - Add num_basins and basin_id as like ismip6. However, theses variables may not be used in future. (to be determined.)

inwoo0415 at 7:33 PM 3/31/26

CHG: use different bracket style for andes

Mathieu Morlighem at 7:10 AM 4/1/26

CHG: adding information message to warn user

Mathieu Morlighem at 7:12 AM 4/1/26

CHG: use {} intead of \{\} for frontera

mathieu.morlighem at 7:30 AM 4/1/26

Adjusted tolerances

34657535+TidbitSoftware at 10:42 AM 4/1/26

Updated URL and version for GSHHG

34657535+TidbitSoftware at 12:56 PM 4/1/26

CHG: ISMIP7 Ocean forcings - Do not reuse definitions from ISMIP6 for ISMIP7. Additionally, fix space indent to tab in "EnumDefinitions.h".

inwoo0415 at 11:11 PM 4/1/26

BUG: Fix block scoping with {} to avoid issues with cross-initialization of variables in Ismip6 and Ismip7.

inwoo0415 at 11:50 PM 4/1/26

CHG: removing comma

mathieu.morlighem at 11:28 AM 4/2/26

CHG: deal with case when thickness is 0 in 3D

mathieu.morlighem at 12:51 PM 4/2/26

CHG: trying to fix rush condition by separating make and make install:

mathieu.morlighem at 1:11 PM 4/2/26

CHG: updates to avoid rush conditions

mathieu.morlighem at 1:42 PM 4/2/26

CHG: better warning if errlog is not empty

Mathieu Morlighem at 11:26 AM 4/3/26

CHG: if loadonly=1, do not check consistency or anything else

Mathieu Morlighem at 3:34 PM 4/3/26

CHG: need to build runtimename first

Mathieu Morlighem at 3:37 PM 4/3/26

CHG: better formating of outlog and errlog in md

Mathieu Morlighem at 6:25 AM 4/5/26

CHG: plot/plotmodel.py - Flattening axes and control space between axes.

inwoo0415 at 9:40 PM 4/5/26

tiny printing thing

f007fk5 at 10:30 AM 4/6/26

Update cfsurfacelogvel.m

noreply at 10:32 AM 4/6/26

CHG: silent hostname on andes

Mathieu Morlighem at 2:24 PM 4/6/26

CHG: skip empty lines in errlog, otherwise we get a WARNING all the time because empty quotes is not empty in MATLAB

Mathieu Morlighem at 4:51 PM 4/6/26

CHG: Fix bugs and improve HydrologyPrescribeAnalysis:

inwoo0415 at 1:21 AM 4/7/26

CHG: fixing AD after Inwoo's commit

mathieu.morlighem at 1:39 PM 4/7/26

CHG: reverting support for versions earlier than 2020b

mathieu.morlighem at 9:09 PM 4/7/26

#17 (Apr 1, 2026, 3:23:00 AM)

CHG: added checks to avoid non physical PDD inputs

Mathieu Morlighem at 6:33 AM 3/25/26

NEW: preparing code for Alicia's new PDD scheme

Mathieu Morlighem at 6:54 AM 3/25/26

Add mapped precip scaling factor input

95945328+NJSchlegel at 12:34 PM 3/26/26

95945328+NJSchlegel at 12:36 PM 3/26/26

CHG: add input for scaling mapped precipitation in GEMB

95945328+NJSchlegel at 1:10 PM 3/26/26

Adjusted tolerances

34657535+TidbitSoftware at 9:21 AM 3/27/26

CHG: remove upper limit of GEMB pricip scaling factor for mapping

95945328+NJSchlegel at 9:23 AM 3/27/26

BUG: sealevelchange_core coupler count integer was not reset properly

noreply at 3:40 PM 3/27/26

#16 (Mar 25, 2026, 3:23:00 AM)

CHG: better handling of InterpFromGrid, now automatically added to ISSM

Mathieu Morlighem at 6:58 AM 3/18/26

CHG: documentation should say water eq, not ice eq

Mathieu Morlighem at 10:16 AM 3/18/26

#15 (Mar 18, 2026, 3:23:00 AM)

CHG: print clear message when bin file is not consistent with issm.exe (e.g., field not found or not the right format)

Mathieu Morlighem at 6:16 AM 3/12/26

CHG: ask user to create repo instead of erroring out

Mathieu Morlighem at 5:55 AM 3/13/26

CHG: make v6 official

Mathieu Morlighem at 5:56 AM 3/13/26

CHG: minor, cosmetics

mathieu.morlighem at 9:24 AM 3/13/26

Install scripts for Chaco stalling on download of user guide, resulting in error

34657535+TidbitSoftware at 3:09 PM 3/13/26

CHG: killberg.py - Dimension of levelset should be (numberofvertices,), not (numberofvertices,1). Add a check for this in the intermediates.

inwoo0415 at 10:22 PM 3/15/26

Clean up unused cluster class: hpc_simba2.m

inwoo0415 at 11:10 PM 3/15/26

ADD: reverse color in bluewhitered, if true, then red for negative and blue for positive

enigne at 6:53 PM 3/16/26

BUG: plot_unit.py - tripcolor in matplotlib does not support `colorlevels`. Remove `colorlevels` in drawing elements.

inwoo0415 at 7:59 PM 3/16/26

#14 (Mar 11, 2026, 3:23:00 AM)

CHG: adding wilkins.jpl.nasa.gov to list of machines

mattia.poinelli at 3:03 PM 3/6/26

CHG: plotmodel.py – Fix a bug in ImageGrid, which automatically shares the x and y axes across all axes. Use subplots to address this issue. The use_subplots option enables this functionality. However, this feature is experimental and may require further improvements.

inwoo0415 at 5:57 AM 3/8/26

Adjusted tolerances

34657535+TidbitSoftware at 11:54 AM 3/8/26

CHG: `hydrologyshakti` now enables the use of grounded ice melting rate from `md.basalforcings.groundedice_melt_rate` through the `isbasalforcing` option.

inwoo0415 at 12:11 AM 3/9/26

CHG: hydrologyshakti.m - Update isbasalforcing option.

inwoo0415 at 12:20 AM 3/9/26

CHG: HydrologyShaktiAnalysis.cpp - Fix bugs in unit conversion of basalforcings from md.basalforcings.groundedice_melt_rate (ice meter to freshwater meter).

inwoo0415 at 12:21 AM 3/9/26

CHG: Synchronize Matlab > Python.

inwoo0415 at 12:37 AM 3/9/26

CHG: `hydrologyshakti` - Use `melt_flag`, not "isbasalforcing" flag. Additionally, remove `HydrologyshaktiIsBasalforcingEnum` in `EnumDefinitions.h`.

inwoo0415 at 5:28 AM 3/9/26

BUG: fixed bad python indentation

Mathieu Morlighem at 5:45 AM 3/9/26

BUG: Fix typos and maintain consistency.

inwoo0415 at 5:53 AM 3/9/26

Adjusted tolerances

34657535+TidbitSoftware at 10:12 AM 3/9/26

option to not output final result

daniel.abele at 3:09 PM 3/9/26

BUG: HydrologyShaktiAnalysis.cpp – Fix bug in the unit conversion of md.basalforcings.groundedice_melting_rate, converting from ice m s-1 to kg m-2 s-1.

inwoo0415 at 8:48 PM 3/9/26

#13 (Mar 4, 2026, 3:23:00 AM)

amend tolerances of test291.py

justinkinjun.hew at 4:56 PM 2/26/26

amend tolerance

justinkinjun.hew at 6:02 PM 2/26/26