Dakota Reference Manual: strict_cache_equality

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strict_cache_equality

Do not require strict cache equality when finding duplicates

## Specification

Alias: none

Argument(s): none

Child Keywords:

| Required/Optional | Description of Group | Dakota Keyword | Dakota Keyword Description
--- | --- | --- | --- | ---
| Optional | cache_tolerance | Specify tolerance when identifying duplicate function evaluations

## Description

By default, Dakota's evaluation cache and restart capabilities are based on strict binary equality. This provides a performance advantage, as it permits a hash-based data structure to be used to search the evaluation cache. However, deactiving strict equality may prevent cache misses, which can occur when attempting to use a restart file on a machine different from the one on which it was generated.