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View new features for VOV Subsystem 2025.1.2.
Overview
Discover the workspace, licensing and installation, and training.
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Discover VOV Subsystem functionality with interactive tutorials.
VOV Subsystem Administrator Guide
This manual provides information about managing a VOV project, including starting the server and connecting computing resources such as computers and licenses.
VOV Subsystem Reference Guide
- Command Line Interface
- Fields, Selection Rules and Formatting Strings
  - Node Fields
    Each node in the trace has field attributes.
  - Selection Rules
    Selection rules are used to create sets and to perform queries.
  - Selection Rules Operators
    Operators that can be applied to fields.
  - Formatting Strings
    A formatting string is a string that contains field references; it is used to list the elements of a set.
  - Failure Codes
    When a job fails, some explanation for the failure is stored in a field called "FAILCODE" of type integer.
- VOV Metrics
  The Altair Accelerator allows users to collect arbitrary metrics, where a metric is defined as a "named time series" of values, where each value is either a floating point number or a string.
- Miscellaneous
- VOV Security Infrastructure
- REST Application Programming Interface
  Altair Accelerator supports a RESTful API that enables a developer to submit, monitor, and control batch jobs as well as query the batch scheduler queues, jobs, and hosts in useful ways.
- All About Tcl
- VTK Procedures
EDA Tool Integration Guide
This document is a collection of techniques that have proven to be useful when applying FlowTracer in Electronic Design Automation.

View All Altair Accelerator Help

Selection Rules Operators

Operators that can be applied to fields.


Operator	Meaning	Numeric	Boolean	String	Predicate	Comment
=	Equal	*	*	*		Equivalent to ==
==	Equal	*	*	*		Equivalent to =
!=	Not equal	*	*	*
>	Greater	*
>=	Greater or equal	*
<	Less	*
<=	Less or equal	*
~	Matches			*		Uses regular expressions
!~	Does not match			*		Uses regular expressions
~~	Matches (case-insensitive)			*		Uses regular expressions
!~~	Does not match (case-insensitive)			*		Uses regular expressions
^	Substring			*		Faster than the match(~) and glob(:) operators.
!^	Not Substring			*		Faster than the match(~) and glob(:) operators.
^^	Substring (case-insensitive)			*		Faster than the match(~) and glob(:) operators.
!^^	Not Substring (case-insensitive)			*		Faster than the match(~) and glob(:) operators.
:	Matches glob expression			*		Faster than regular expressions
!:	Does not match glob expression			*		Faster than regular expressions
::	Matches glob expression (case-insensitive)			*		Faster than regular expressions
!::	Does not match glob expression (case-insensitive)			*		Faster than regular expressions
&	Logical AND				*	Takes precedence over \|. Equivalent to AND
AND	Logical AND				*	Takes precedence over OR. Case-insensitive; equivalent to &
\|	Logical OR				*	Lower precedence than &. Equivalent to OR
OR	Logical OR				*	Lower precedence than AND. Case-insensitive; equivalent to \|
!	Logical NOT				*
NOT	Logical NOT				*	Case-insensitive
()	Parentheses				*	Used for grouping logical expressions