[llvm-dev] lld out of memory

[Itaru Kitayama via llvm-dev]

I take it back it is -j8.

On Mon, Feb 3, 2020 at 8:01 AM Itaru Kitayama <itaru.kitayama at gmail.com>
wrote:

> Hi,
> I am seeing an LLVM build failure with recent LLD on x86 like:
>
> [...]
>    lib/libLLVMCodeGen.a  lib/libLLVMBitWriter.a  lib/libLLVMScalarOpts.a
>  lib/libLLVMAgg
> ressiveInstCombine.a  lib/libLLVMInstCombine.a
>  lib/libLLVMTransformUtils.a  lib/libLLVMDebugInfoDWARF.a  lib/lib
> LLVMMCDisassembler.a  lib/libLLVMExecutionEngine.a  lib/libLLVMTarget.a
>  lib/libLLVMAnalysis.a  lib/libLLVMProfil
> eData.a  lib/libLLVMRuntimeDyld.a  lib/libLLVMObject.a
>  lib/libLLVMMCParser.a  lib/libLLVMMC.a  lib/libLLVMDebugI
> nfoCodeView.a  lib/libLLVMDebugInfoMSF.a  lib/libLLVMBitReader.a
>  lib/libLLVMCore.a  lib/libLLVMRemarks.a  lib/li
> bLLVMBitstreamReader.a  lib/libLLVMTextAPI.a  lib/libLLVMBinaryFormat.a
>  lib/libLLVMSupport.a  /usr/lib64/libz.so
>   -lrt  -ldl  -ltinfo  -lpthread  -lm  lib/libLLVMDemangle.a && :
> LLVM ERROR: out of memory
> Stack dump:
> 0.      Program arguments: /home/usr4/c74014i/opt/clang/stable/bin/ld.lld
> @/tmp/response-5051e9.txt
> LLVM ERROR: out of memory
> clang-11: error: unable to execute command: Aborted
> clang-11: error: linker command failed due to signal (use -v to see
> invocation)
> [32/492] Building CXX object
> tools/llvm-cov/CMakeFiles/llvm-cov.dir/gcov.cpp.o
>
> As reported on Discord, switching back to ld works around this issue.
> On my system a process gets a 6 GB of memory max can be used, and I use
> ninja -j16.
>
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