diff --git a/doc/src/devdocs/build/arm.md b/doc/src/devdocs/build/arm.md index 747ee25d22a04..df9ede07d270f 100644 --- a/doc/src/devdocs/build/arm.md +++ b/doc/src/devdocs/build/arm.md @@ -55,18 +55,9 @@ due to unsupported inline assembly. In that case, add `MCPU=armv7-a` to ## AArch64 (ARMv8) -Julia has been successfully built on the following ARMv8 devices: +Julia is expected to work and build on ARMv8 cpus. One should follow the general [build instructions](https://github.com/JuliaLang/julia/blob/master/README.md). Julia expects to have around 8GB of ram or swap enabled to build itself. -* [nVidia Jetson TX1 & TX2](https://www.nvidia.com/object/embedded-systems-dev-kits-modules.html); -* [X-Gene 1](https://www.apm.com/products/data-center/x-gene-family/x-gene/); -* [Overdrive 3000](https://softiron.com/products/overdrive-3000/); -* [Cavium ThunderX](https://www.cavium.com/ThunderX_ARM_Processors.html) on [packet.net](https://www.packet.net). - -Compilation on `ARMv8-A` requires that `Make.user` is configured as follows: - -``` -MCPU=armv8-a -``` +### Known issues Starting from Julia v1.10, [JITLink](https://llvm.org/docs/JITLink.html) is automatically enabled on this architecture for all operating systems when linking to LLVM 15 or later versions. Due to a [bug in LLVM memory manager](https://github.com/llvm/llvm-project/issues/63236), non-trivial workloads may generate too many memory mappings that on Linux can exceed the limit of memory mappings (`mmap`) set in the file `/proc/sys/vm/max_map_count`, resulting in an error like @@ -77,21 +68,3 @@ Should this happen, ask your system administrator to increase the limit of memor ``` sysctl -w vm.max_map_count=262144 ``` - -### nVidia Jetson TX2 - -Julia builds and runs on the [nVidia Jetson TX2](https://www.nvidia.com/object/embedded-systems-dev-kits-modules.html) -platform with minimal configuration changes. - -After configuring `Make.user` as per the `AArch64` instructions in this document, -follow the general [build instructions](https://github.com/JuliaLang/julia/blob/master/README.md). -The majority of the build dependencies specified in the instructions are installed by -the default configuration flashed by [Jetpack 3.0](https://developer.nvidia.com/embedded/jetpack). The remaining tools can be installed by issuing the following command: - -``` -sudo apt-get install gfortran wget cmake -``` - -A full parallel build, including LLVM, -will complete in around two hours. All tests pass and CUDA functionality is available -through, e.g., [CUDAdrv](https://github.com/JuliaGPU/CUDAdrv.jl).