Questions tagged [parallel]

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Understanding Virtual Velocities in Delta Robot Dynamics Modeling

I want to model the dynamics of a delta robot, and I came across this article. It utilizes the Newton-Euler method with virtual work to derive the equations. There's a section called Simulation ...
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Multiple ROS 2 Composable Nodes in a single launch file

I have multiple composable nodes that I need to run in parallel using a single launch file, as it is a pipeline consisting of various components. Is it possible to do that in ROS 2? or should I use ...
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Running the same node on multiple image messages parallel

Hello ros comunity. I have six cameras, where i would like to do object classification, with YOLOv3 using darknet_ros, on each of the camera inputs, at the same time. I am using a Jetson AGX Xavier, ...
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Multiple Python-Scripts (Turtlebot2 / Kobuki) in kobuki_node

Hi guys, I have multiple python scripts for several tasks. Let's assume: The first one is for driving a certain distance with a given speed. Another one is for image processing purpose (marker ...
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rospy callback subscribe to topics in parallel

I am trying to run a system where my ROS code subscribes to 'n' different topics, each representing one agent. For each agent I need to run a series of calculations (based on the callback function) ...
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ROS parallel computing platforms

Hi, I want to use parallel computing in ROS. I found there are so many platforms, like CUDA, OpenCL, OpenML, OpenMPI, OpenACC, etc. Which should I choose? Welcome to talk to me about disadvantges and ...
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1 answer
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Can moveite cope with mimic joint (parallel kinematic) and/or liniear constraints for planning and trajectory in IK

We have a parallel robot which we want to model and control using ROS. For this we need a Forward Kinematic (FK) model as well as calculating the Inverse Kinematics (IK) on velocity level. The ...
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How to make call to multiple services in parallel?

I have 4 services which have are completely independent of each other. I want to call them in parallel from another ros node. But the all service call end consuming the time that they would use in ...
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How to run multiple Independent Gazebo instances on the same machine?

Hi all, I'm trying to run multiple independent Gazebo-ROS instances on the same machine so two or more remotely connected users can use it at the same time. I've read this answer about multiple ros ...
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How to run multiple roscore/master in a single machine?

Hi, A superset question is here, where it is said that we have to change the ROS_MASTER_URI to run the 2nd master. I have tried running the 1st master with ROS_MASTER_URI=http://localhost:11311 (...
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rosmake does not respect ROS_PARALLEL_JOBS or --pjobs

rosmake in ROS fuerte does not seem to respect the ROS_PARALLEL_JOBS=-jN environment variable nor the --pjobs=N command line option for compiling with N+1 processes. Instead, the number of rosmake ...
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can multiple instances of gazebo and/or roscore run in parallel

Hi, I have a project I am working on that would be incredibly helpful if I could run multiple instances of gazebo or multiple roscore simultaneously. Multiple gazebos would be ideal but if I could run ...
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Parallel compilation : does --jobs works?

Hi, I have a debian installation of Diamondback and I did not succeed usung parallel compilation. I may build 2 packages at the same time using --threads, but when only building one package I can't ...
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