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disable UCX memory hooks #298

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merged 1 commit into from
Aug 3, 2019
Merged

disable UCX memory hooks #298

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7 changes: 7 additions & 0 deletions src/MPI.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,13 @@ function __init__()
Libdl.dlopen(libmpi, Libdl.RTLD_LAZY | Libdl.RTLD_GLOBAL)
end

# disable UCX memory hooks since it can mess up dlopen
# https://github.com/openucx/ucx/issues/4001
ENV["UCX_MEM_MMAP_RELOC"] = "no"
ENV["UCX_MEM_MALLOC_HOOKS"] = "no"
ENV["UCX_MEM_MALLOC_RELOC"] = "no"
ENV["UCX_MEM_EVENTS"] = "no"

if filesize(dlpath(libmpi)) != libmpi_size
error("MPI library has changed, re-run Pkg.build(\"MPI\")")
end
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