WEEKLY REPORT · ISO 2026-W30

PHARE, 20 Jul – 26 Jul 2026

Commits on master

15 ▲ +12 vs last week

PRs merged

12 ▲ +9 vs last week

Issues opened

13 ▲ +12 vs last week

Issues closed

16 ▼ -22 vs last week

Reviews

59 ▲ +42 vs last week

CI builds

151 ▲ +82 vs last week

TeamCity history incomplete this week

The week at a glance

each dot is one event · hover for details, click to open

Mon 20MTue 21TWed 22WThu 23TFri 24FSat 25SSun 26S

Commits on master

15 PRs merged

12 PRs opened

16 Issues opened

13 Issues closed

16 Reviews

59 CI failures

Daily numbers as a table

Day	Commits	Issues opened	Issues closed	PRs opened	PRs merged	PRs closed	Reviews	Comments	CI builds	CI failed
Mon 20 Jul	4	1	4	0	3	12	7	24	34	9
Tue 21 Jul	1	1	1	1	0	0	11	9	23	0
Wed 22 Jul	3	3	4	10	2	2	13	17	50	8
Thu 23 Jul	5	3	5	3	5	0	15	4	16	1
Fri 24 Jul	2	5	2	1	2	1	8	31	7	3
Sat 25 Jul	0	0	0	0	0	0	0	0	15	1
Sun 26 Jul	0	0	0	1	0	0	5	5	6	1

Issues

13 opened · 16 closed

Open issues

112

+13

-16

109

open at start

opened

closed

open at end

The axis starts at 80 so the weekly changes stay visible.

Labels on new issues

pharein

3amr

3refactoring

2bug 🔥

2SAMRAI

2feature

2diagnostics outputs

2I/O

2no label

How closed issues were closed

fixed by a PR 8closed without a link 8

#1280 Error: cannot use density without population name completed closed by @iljah, no linked PR or commit
Thanks!
#1279 Error from maxwellian_fluid_model.py: unsupported operand type(s) for -: 'NoneType' and 'NoneType' completed closed by @iljah, no linked PR or commit
Lol, thanks! Also had no.sqrt instead of np.sqrt.
#1261 virtual env additions are still necessary? completed closed by @PhilipDeegan, no linked PR or commit
added by #219
#1258 Not enough options or simplicity to control diag/restart dump times completed closed by @None, no linked PR or commit featurediagnostics outputsphareinpythonI/O
#1147 Printing per rank remediation completed fixed by PR #1250
#1139 Ambiguous test class conficts with class of same name in PHARE::core completed fixed by PR #1266 testrefactoring
#1125 Emergency dump completed closed by @UCaromel, no linked PR or commit corediagnostics outputs
this was actually included with the mhd merge #1218
#1106 constructor references "wrong" superclass completed fixed by PR #1270
#1094 macro ends in semi colon completed fixed by PR #1264 good first issuerefactoring
#1082 missmatches and (previously) divB at shared L0/L1 patch boundaries. completed closed by @nicolasaunai, no linked PR or commit bug 🔥
no close
#1003 isIn for boxcontainer is ambiguous completed fixed by PR #1263 good first issuecorerefactoring
#951 ghost nbr constraints completed fixed by PR #1205 coreMHD
#935 Alfven wave convergence test completed closed by @UCaromel, no linked PR or commit MHD
done
#839 shock tests fails without ffmpeg completed fixed by PR #1262 bug 🔥
#475 Variable dt implementations completed closed by @PhilipDeegan, no linked PR or commit experimental
deprecated by #1184
#358 remove from mpi tests those which are not parallel completed fixed by PR #1265 testcmake 🛠

All 13 new issues

#1286 Clarify LoadBalancer block pharein @nicolasaunai refactoringpharein
#1284 same-level patch overlap @nicolasaunai bug 🔥SAMRAIamr
#1283 Reduce number of ghosts in MHD. @UCaromel feature
#1280 Error: cannot use density without population name @iljah
#1279 Error from maxwellian_fluid_model.py: unsupported operand type(s) for -: 'NoneType' and 'NoneType' @iljah
#1275 VTKHDF emergency dump with more than 2 AMR levels is messed up @igirault bug 🔥diagnostics outputsamrI/O
#1274 Time-step ratio between levels is fixed to the spatial ratio squared @igirault questionSAMRAI interfaceamrperformanceMHD
#1273 improve user documentation of pyphare @nicolasaunai phareinphareseedocumentation
#1269 MHD solver does not handle strongly magnetized flows @igirault corenumericalMHD
#1261 virtual env additions are still necessary? @PhilipDeegan
#1260 pyphare populate_dict is somewhat unweildy and should probably be split up @PhilipDeegan refactoring
#1258 Not enough options or simplicity to control diag/restart dump times @igirault featurediagnostics outputsphareinpythonI/O
#1256 odd number of cells on refined patches @nicolasaunai questionSAMRAI

Pull requests

12 merged · 16 opened · 15 closed unmerged

Open PRs

+16

-12

-15

+10

open at start

opened

merged

closed

reopened or other

open at end

Every PR that moved this week

mergedopen draft or closed first human review

Time open (log scale)

1 h1 d1 wk1 mo1 yr

Lines changed, by area (log scale)

101001k10k

1270 particle splitting superclass type string correction@PhilipDeegan

1266 test: prevent namespace collision with PHARE::core::Particle@PhilipDeegan

1265 run some tests serially as MPI is not required to validate@PhilipDeegan

1264 macro should not end in a semicolon@PhilipDeegan

1263 make boxes overload spannable rather than iterable@PhilipDeegan

1262 don't fail if ffmpeg is not found in shock functional test@PhilipDeegan

1257 Functional tests: add a load balancer@PhilipDeegan

1255 Add CONTRIBUTING.md, issue templates, and PR template@nicolasaunai

1254 fix mhd dispersion timestamps - allow functional test dry run on PR@PhilipDeegan

1250 print only rank 0@PhilipDeegan

1205 single auto template for gridlayout for multi-model flexibility@PhilipDeegan

1175 docs: add MHD theory page and update Sphinx math rendering@igirault

1287 vtkhdf: 64 bit Steps offsets@UCaromel

1281 Add 1d shock tube test.@iljah

1278 Second-order AMR: higher-order field refinement + coarse–fine temporal fixes@UCaromel

1277 doc: overhaul pharein documentation@nicolasaunai

1276 fix: emergency dump one full-hierarchy step, not per-level@igirault

1272 move mpi utilities/etc out of the core module@PhilipDeegan

1271 Decouple hybrid and MHD compile surfaces@UCaromel

1268 document PHARE environment variable usage@PhilipDeegan

1267 validate restarts against hash produced from initial patch datas@PhilipDeegan

1245 experimental - single python module for all impls@PhilipDeegan

1239 try merge schedules@PhilipDeegan

1199 try not duplicate levelghosts across overlapping patch ghost boxes@PhilipDeegan

1177 hdf5 use subfiling if available@PhilipDeegan

1174 docs: comprehensive end-user documentation@jeandet

1173 WIP Lazy python hierarchies@PhilipDeegan

1171 data wrangler updates@PhilipDeegan

1166 Updater does not copy vector@PhilipDeegan

1163 python3 tooling/parallel debugging/etc @PhilipDeegan

1148 modify the Getter of run.py to manage merged=True@rochSmets

1120 add a gaussian_filter and find_peaks for scalarfield and vectorfield@rochSmets

1079 schedule/refiner refactor investigation (WIP)@PhilipDeegan

1015 resource manager variants handling@PhilipDeegan

1001 chunked Packing for diagnostics@PhilipDeegan

888 arbitrary mpirun N restarts@PhilipDeegan

coreamrpythontestssimulator/iobuild/cidocother

People

human activity inside the week · darker = more

Who did what

	Commits	PRs opened	PRs merged	Reviews given	Issues opened	Issues closed	Comments	Lines on master
@PhilipDeegan	10	10	10	30	2	8	36	+3,430 −3,781
@nicolasaunai	3	1	1	17	4	3	31	+260 −54
@UCaromel	·	3	·	9	1	2	11	·
@iljah first PR	·	1	·	·	2	2	10	·
@igirault	2	1	1	3	4	·	2	+243 −35

Bots: coderabbitai (20 reviews, 16 comments), github-advanced-security (8 reviews, 0 comments), copilot-pull-request-reviewer (1 reviews, 0 comments).

Who reviewed whom

reviewer ↓ · author →	igirault	PhilipDeegan	UCaromel	nicolasaunai	iljah
PhilipDeegan	18	·	11	1	·
nicolasaunai	·	14	2	·	1
UCaromel	6	2	·	1	·
igirault	·	1	·	2	·

Median first review9 h

Median time to merge34 h

CI and tests

0 test executions on TeamCity · 0 failed · 0 ignored

TeamCity only keeps about 200 builds per configuration, so this week is incomplete for gh_pr_gcc (history starts 2026-08-31), gh_pr_clang (history starts 2026-09-03), gh_pr_clang_samraisub (history starts 2026-08-31), gh_pr_gcc_samraisub (history starts 2026-09-01).

passedfailedcanceledone tick per build, placed at its finish time

Mon 20MTue 21TWed 22WThu 23TFri 24FSat 25SSun 26S

GitHub Actions CodeQL

46 ✓ · 8 ✗ · 19 canceled CMake Ubuntu

35 ✓ · 13 ✗ · 12 canceled Running Copilot Code Review

1 ✓ · 0 ✗ · 0 canceled TeamCity gh_master_clang_nightly_samraisub_phlop_asan

4 ✓ · 0 ✗ · 1 canceled gh_master_gcc_nightly_samraisub_phlop

4 ✓ · 0 ✗ · 0 canceled gh_master_gcc_weekly_samraisub

1 ✓ · 0 ✗ · 0 canceled gh_master_clang_weekly_asan

1 ✓ · 0 ✗ · 0 canceled gh_master_gcc_samraisub_weekly_gcov

0 ✓ · 1 ✗ · 0 canceled gh_master_gcc_samraisub_weekly_caliper

1 ✓ · 0 ✗ · 0 canceled TeamCity, personal builds Phil · build

0 ✓ · 0 ✗ · 2 canceled Caromel · build

0 ✓ · 1 ✗ · 1 canceled

Code on master

15 commits · lines removed ← → lines added

Where the code changed

core

2,582

2,228

tests

993

992

doc

243

simulator/io

126

107

amr

125

build/ci

187

other

python

Commits

15 commits on master (also dots on the timeline)

6f05fdcMerge pull request #1255 from nicolasaunai/rules @nicolasaunai +183 −0
cb46c36Merge pull request #1257 from PhilipDeegan/func_lbs @nicolasaunai +22 −0
df97099make boxes overload spannable rather than iterable (#1263) @PhilipDeegan +14 −54
3b909f5Merge pull request #1266 from PhilipDeegan/ambiguous_test @nicolasaunai +55 −54
5e72816superclass type string correction (#1270) @PhilipDeegan +1 −1
6ead776macro should not end in a semicolon (#1264) @PhilipDeegan +3 −3
864019arun tests serially as MPI is not required (#1265) @PhilipDeegan +10 −10
c098120don't fail if ffmpeg is not found (#1262) @PhilipDeegan +4 −1
7aab5d7gridlayout refactor for multi-model flexibility (#1205) @PhilipDeegan +3,166 −3,631
301b590test: prevent namespace collision with PHARE::core::Particle @PhilipDeegan +55 −54
61cfb91Functional tests: add a load balancer @PhilipDeegan +22 −0
c148a23functional test dry run on PR (#1254) @PhilipDeegan +120 −23
83a741cprinting only on rank 0 (#1250) @PhilipDeegan +35 −4
1a1c779Merge pull request #1175 from igirault/doc @igirault +242 −34
3616677typo @igirault +1 −1

Releases and discussions

#1282Shock tube comparisondiscussion · @iljah Show and tell
#1259Not enough options or simplicity to control diag/restart dump timesdiscussion · @igirault Ideas