2025.1.0
This manual provides information about managing a VOV project, including starting the server and connecting computing resources such as computers and licenses.
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All of Altair Accelerator's products are based on a client/server architecture to support concurrent activities, team coordination, distributed data management, and distributed processing. The program vovserver runs in the background as a service to implement the main product features. It is the server.
A "project" is a named collection of jobs, together with all the files that are used and produced by those jobs. The contents of VOV projects can be custom organized.
The VOV Registry contains the list of all projects known to an installation of Altair Accelerator software. The registry is used by the vovproject command, and stores metadata such as the host machine and port number of a project.
The files used in a project reside in one or more directories spread all around your filesystems. Each logical name defined in the equiv.tcl file implicitly declares the root of a workspace. You can browse the workspaces using the browser interface.
A tasker is a VOV client that provides computing resources, specifically CPU cycles, to the vovserver.
FlowTracer can be used also as a front end to an existing batch processing system (BPS), for example, Accelerator, LSF, SGE, SGEEE, etc.
Altair Accelerator includes a subsystem for managing computing resources. This allows the design team to factor in various constraints regarding hardware and software resources, as well as site policy constraints.
If you use SSH to login onto certain machines in your LAN that you want to use as taskers, you need to setup SSH so that it will not ask for your password.
Each computer has its own clock. Clocks on different computers in the same network might not be synchronized. The system administrator should keep all clocks in the network synchronized.
The file system that contains the design files may reside on a machine that is not the same as the one where the vovserver is running. The clocks in the two machines may be different, resulting in an offset. These offsets can be easily avoided. Here we show what can be done to work with an unsynchronized network.
Before you can use NFS, be it as server or client, you must make sure your kernel has NFS support compiled in.
VOV lets you distribute computation across the network without adding significant overhead. In some cases, it pays to be careful about the distribution of data and computation.
Attribute Value Stream (AVS) is a file format and data interchange format that uses human-readable text to describe nested objects and arrays of objects. This file format is similar to JSON (Javascript Object Notation).
VovScope is a vovserver performance logging mode. When enabled, logging is activated for certain classes of vovserver activity including system calls and network communication to clients.
This document is a collection of techniques that have proven to be useful when applying FlowTracer in Electronic Design Automation.
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