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ParallelContext::pop silently frees wrong communicator

Status: Open.

#5344 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 16, 2026

ParallelContext hands out MPI tags below MPI_TAG_UB

Status: Open.

#5343 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 16, 2026

ParallelDescriptor::Message::count() assumes prior wait/test

Status: Open.

#5342 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 16, 2026

Morton encoders wrap high-end coordinates back to zero

Status: Open.

#5339 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 16, 2026

MPMD::Finalize frees MPI_COMM_NULL

Status: Open.

#5338 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 16, 2026

MPMD::Initialize_without_split dereferences missing MPI_APPNUM

Status: Open.

#5337 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 16, 2026

Signed swapBytes uses UB on negative inputs

Status: Open.

#5333 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 15, 2026

Partition(data, beg, end, ...) returns an offset, not the documented index

Status: Open.

#5318 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 12, 2026

RealBox::contains excludes boundary points

Status: Open.

#5308 In AMReX-Codes/amrex;

· WeiqunZhang opened on Apr 11, 2026

Using tensor copy instructions on Hopper+ and MI400+

enhancement

GPU

Status: Open.

#5279 In AMReX-Codes/amrex;

· BenWibking opened on Apr 8, 2026

Support spatially varying alpha in MLCurlCurl

Status: Open.

#5241 In AMReX-Codes/amrex;

· prkkumar-he opened on Mar 27, 2026

Documentation on C++ exception handling

documentation

Status: Open.

#5235 In AMReX-Codes/amrex;

· WeiqunZhang opened on Mar 26, 2026