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CI: build the madspace macOS wheels on macos-15 (macos-14 retires 2 Nov) - #358
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GitHub retires the macos-14 hosted image on 2026-11-02, with brownouts (jobs fail) on 2026-10-29 and 2026-10-30, 14:00-24:00 UTC, and reduced capacity before that: on 2026-10-28 the macOS wheel job of #72 was never given a runner. macos-15 is the arm64 replacement GitHub recommends; macos-latest is avoided because it now means macOS 26 and keeps moving. MACOSX_DEPLOYMENT_TARGET stays 14.5, so the wheels still install on macOS 14.5 and later. Co-Authored-By: Claude <noreply@anthropic.com>
theoheimel
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October 28, 2026 18:47
oliviermattelaer
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Oct 28, 2026
Brings in #348 (vector iflav per warp), #341 (LO vector flavour grouping), #340 (mg5 3.8.2), #222, #356, #336, #343, #345, #338, #339, #342, #290, #331, #325, #337, #358. Conflicts: - matrix_madevent_group_v4.inc: main's per-beam-orientation NTRY(IM,...) kept with the crossing holes: IM is set before the crossing decode, NTRY is keyed by the base flavor FLAV_USE (me_flav_key), and the crossed indices' own try counter NTRYX gets the orientation too (NTRYX(2,NXFLAV), in me_goodhel_ntry and smatrix_me_cross_decode). GOODHEL stays the one filter of the base and every crossing. - auto_dsig_v4.inc: main's per-warp GET_FLAVOR(IFLAV) goes through the dsig_getflavor_vec hole (a cross-group dependent reads DSIG_XGFLAV(:,IFLAV)); SMATRIX_MULTI sets main's per-event IPSEL/IMIRROR and then calls the routed base with DSIG_XGROUTE(IFLAV_VEC(IVEC)), IFLAV_VEC being per event there, so every lane still selects its own crossing. - export_v4.py: zero_tchannel_width/custom_helas_call (main) next to the crossing template helpers; the t-channel width stays dropped at runtime in ALOHA (crossing-safe, a t-channel of the base can be an s-channel of a crossing): the fk_ tag only flags it, and _export now sets aloha.t_channel_width from the standalone exporter's zero_tchannel_width (rw/msP/msF drop it by default, standalone keeps it, --zerowidth_tchannel overrides; loop exporters unchanged). - MadSpin/decay.py: without_crossing() and main's zero_width argument. - SigmaKin.cc (cpu/simd): crossing-aware select_helicity_signed with main's [[maybe_unused]]. - reweight_interface, hel_recycle, export_mg7, banner: crossing side with main's spelling fixes; madgraph_interface help: both options. - test_cmd.py density references: crossing side (already zero t-channel width + exact C-parity); test_reweight_density.py: both test classes; unittest.yml: both steps and the new real-channels job. - MatchBox f2py_matrix_wrapper golden: stays deleted. Tests: test_UFO_fortran_tchannel_width_standalone_rw adapted to the runtime ALOHA drop; new TestMadeventVectorCrossingXsec (vector_size 16, no helicity recycling, crossing-routed u b1 > c1 d1 vs --use_crossing=False).
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The madspace macOS wheel job (
.github/workflows/madspace.yml) runs onmacos-14. GitHub retires that image on 2 November 2026 (changelog):It is the only macOS job in our CI.
release.ymlcalls the same workflow, so after 2 November the releases would have no macOS wheel either.Change
os: macos-14→os: macos-15, the arm64 replacement GitHub recommends.macos-latest: it now means macOS 26 and keeps moving, Xcode included.MACOSX_DEPLOYMENT_TARGETstays14.5, so the wheels still install on macOS 14.5 and later. Homebrew only providesdoxygen(a build tool) and OpenBLAS is off on macOS, sodelocateshould not bundle any library that needs macOS 15. The wheel tag from this branch's run is checked below.Check
The push run of this branch (run 40736092772) shows:
macos-15-arm64. It got a runner within 6 minutes.madspace-0.2.1-cp312-cp312-macosx_14_0_arm64.whl, the same tag asmain'smacos-14job. cibuildwheel builtmacosx_11_0_arm64, anddelocateset it to 14.0, exactly as onmacos-14, so nothing now requires macOS 15.main.🤖 Generated with Claude Code