Valentin Churavy

Size information is missing from `CppValue` created by `cxxt` string macro. Current workaround `cxxt"CXXTypeName"{SIZE}`

Spurios test failures on Windows for `get_position_shared`

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``` Test Failed at D:\a\MPI.jl\MPI.jl\test\test_io_shared.jl:70 Expression: MPI.File.get_position_shared(fh) == sum(1:sz) Evaluated: 0 == 3 ERROR: LoadError: There was an error during testing ``` https://github.com/JuliaParallel/MPI.jl/runs/6022508469?check_suite_focus=true We require atomicity on the file handle...

Workaround Preferences in test environment for 1.6 & 1.7

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Fixes #561

UCX ignores UCX_ERROR_SIGNALS set by MPI.jl

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This manifests itself as a warning that the UCX_ERROR_SIGNALS variable is unused and leads to spurious aborts due to Julia's use of SIGSEV ``` [1595151936.606713] [node0022:65473:0] parser.c:1491 UCX WARN unused...

[Spectrum MPI] Crash in IProbe

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Unsure if this is a CLIMA bug, MPI.jl bug or Spectrum MPI bug. cc: @lcw ``` julia: /__SMPI_build_dir______________________________/ibmsrc/pami/ibm-pami/buildtools/pami_build_port/../pami/components/devices/shmem/shaddr/CMAShaddr.h:164: size_t PAMI::Device::Shmem::CMAShaddr::read_impl(PAMI::Memregion*, size_t, PAMI::Memregion*, size_t, size_t, bool*): Assertion `cbytes > 0' failed....

We should add CI for different system ROCM versions people might encounter. 4.5 and 5.x are probably the most relevant.

Julia 1.7.3 and ROCM 5.0 ``` (@v1.7) pkg> build AMDGPU Building AMDGPU → `~/.julia/scratchspaces/44cfe95a-1eb2-52ea-b672-e2afdf69b78f/535df1a8570f08101f087fa80b7fd764da7759f2/build.log` Precompiling project... 1 dependency successfully precompiled in 14 seconds (65 already precompiled) julia> using AMDGPU julia>...

This reverts commit ec6d10d13acc7c285cdfbaad36b77907e1048f90.

`sin(Float16)` returns `NaN`

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On #163 as seen on a `Vega 10 XL/XT [Radeon RX Vega 56/64] (gfx900)` ``` function f(a) @inbounds a[1] = AMDGPU.sin(a[1]) nothing end A = ROCArray([Float16(1.0)]) @roc f(A) ``` ```...