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.
All taskers offer a predefined set of hardware resources that can be requested by jobs.
Sometime, a job needs to run on the same host as another job. This condition can be expressed with the special resource "HOST=HOST_OF_<jobid>" and " HOST=HOST_OF_ANTECEDENT".
This procedure is used in the context of time-variant tasker resources. It takes a single non-negative argument, which is interpreted as the maximum expected duration for a job to be dispatched to the tasker.
The program vovtsd is a daemon written as a Tcl script that runs using the VOV vtclsh binary. This daemon can be used also to start various types of agents on any type of Windows or UNIX machine.
In several points in the systems, it is useful to get the host name for a checkout, for a job, for a daemon, etc. Since every machine may be known by different names, it is important to provide the expert user with the ability to map host names to some canonical form of the host name.
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.
This document is a collection of techniques that have proven to be useful when applying FlowTracer in Electronic Design Automation.
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