Using buildx to build an ARM-based Ubuntu image, running it on an x86 environment with QEMU, and then entering the container to compile C++ code results in a speed that is 8 times slower than the normal x86-based image."

[CTGUMARK]

Contributing guidelines

• I've read the contributing guidelines and wholeheartedly agree

I've found a bug and checked that ...

• ... the documentation does not mention anything about my problem
• ... there are no open or closed issues that are related to my problem

Description

Dockfile:

基于 ARM 架构 ROS 基础镜像
FROM --platform=linux/arm64 arm64v8/ros:humble-ros-base-jammy

添加镜像信息
LABEL author="Wuxi"
LABEL release-date="2024-11-19"
LABEL base-docker="arm64v8/ros:humble-ros-base-jammy"

安装必要软件和依赖
RUN apt-get update && apt-get install -y curl gnupg2 &&
curl -s https://gitee.com/ohhuo/rosdistro/raw/master/ros.asc | sudo apt-key add - &&
echo "deb [arch=$(dpkg --print-architecture)] https://repo.huaweicloud.com/ros2/ubuntu/ $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/ros2.list > /dev/null &&
apt-get install -y vim iputils-ping net-tools ros-humble-rmw-cyclonedds-cpp &&
echo 'export RMW_IMPLEMENTATION=rmw_cyclonedds_cpp' >> /root/.bashrc &&
echo 'source /opt/ros/humble/setup.bash' >> /root/.bashrc

docker buildx build --platform linux/arm64 -t arm64v8/ros:humble-ros-development .

docker run --rm --privileged multiarch/qemu-user-static --reset -p yes

docker run -it --platform linux/arm64 --network=host --restart=always --name cross_compiling_ws --privileged
-v /home/wu/cross_compiling_ws:/home/wu/cross_compiling_ws
amd64/humble_develop:v0.0 /bin/bash

Expected behaviour

Compile speed improvement

Actual behaviour

Compilation based on qeum took 8 hours Compilation based on x86 took 1 hour

Buildx version

github.com/docker/buildx v0.11.2 9872040

Docker info

Builders list

NAME/NODE DRIVER/ENDPOINT STATUS  BUILDKIT             PLATFORMS
default * docker                                       
  default default         running v0.11.7+d3e6c1360f6e linux/amd64, linux/amd64/v2, linux/amd64/v3, linux/arm64, linux/riscv64, linux/ppc64, linux/ppc64le, linux/s390x, linux/386, linux/mips64le, linux/mips64, linux/arm/v7, linux/arm/v6

Configuration

Dockfile:
FROM --platform=linux/arm64 arm64v8/ros:humble-ros-base-jammy
LABEL author="Wuxi"
LABEL release-date="2024-11-19"
LABEL base-docker="arm64v8/ros:humble-ros-base-jammy"

RUN apt-get update && apt-get install -y curl gnupg2 &&
curl -s https://gitee.com/ohhuo/rosdistro/raw/master/ros.asc | sudo apt-key add - &&
echo "deb [arch=$(dpkg --print-architecture)] https://repo.huaweicloud.com/ros2/ubuntu/ $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/ros2.list > /dev/null &&
apt-get install -y vim iputils-ping net-tools ros-humble-rmw-cyclonedds-cpp &&
echo 'export RMW_IMPLEMENTATION=rmw_cyclonedds_cpp' >> /root/.bashrc &&
echo 'source /opt/ros/humble/setup.bash' >> /root/.bashrc

Build logs

Additional info

No response

[tonistiigi]

QEMU emulator has a performance penalty, especially on CPU intensive tasks like running compilers.

Not sure if there is anything else in this report.