ROSS

Most of the blog posts document ROSS features, which are organized into category here. See the list of announcements for time-specific postings.

Installation

• Building a Model with ROSS
• ROSS Installation with Spack
• Manual ROSS Installation
• Building and Running ROSS on CCI Blue Gene/Q
• Running the Simulator

Model Development

These posts are aimed at new model developers, including those new to discrete-event simulations. They discuss best practices for designing and building new models.

Basic Concepts

• Lamport Clocks
• Debugging Tips & Tricks
• LP Type Callbacks
• Development Setup

Airport Walkthrough

• Step 1: Designing Objects
• Step 2a: Modeling Airplane Functionality

FAQ

Once you are knee deep building models, you might have many unanswered questions. If that is your case, this FAQ comes to your rescue. (Note: there are many, many more unanswered questions in the wild. If you find any, please ping us!)

ROSS Features

These posts describe features of ROSS that model developers can take advantage of. New features can be requested through GitHub Issues.

• LP and PE Mappings
• Default Clock: Get-Time-of-Day
• Delta Encoding
• LP Printing with tw_output
• TW_STIME API: User Defined Simulation Time
• Optimistic Parameters
• Optimistic Realtime Scheduler
• Schedulers
• Random Numbers

Instrumentation

• Instrumentation Overview
• Real Time Sampling
• GVT-based Sampling
• Virtual Time Sampling
• Event Tracing
• Data Sample Format
• In Situ Analysis and Visualization with Damaris
• Streaming Data with Damaris
• Simulation Engine Metrics Descriptions

RIO

• RIO Version 2 Release
• Overview
• API Description
• Checkpoint Description
• Adding RIO to a Model

ROSS Core Development

These posts do a deep-dive into the ROSS code. The discuss some of the conventions, best practices, and other hacks that exist in the code base.

• Versioning and Releases
• Git Branching Workflow
• MPI Communicators in ROSS
• Style Guide