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Polyvariance

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General referenceInterpretive dossier study · Crown Archives visual atlas
Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionAug 8, 2023
Entity authorityQ7227142 ↗
Source-derived summary

In program analysis, a polyvariant or context-sensitive analysis (as opposed to a monovariant or context-insensitive analysis) analyzes each function multiple times—typically once at each call site—to improve the precision of the analysis. Polyvariance is common in data-flow and pointer analyses.

Forms of polyvariance include:

Call-site sensitivity

The Cartesian product algorithm

Object sensitivity

Type sensitivity

The first two are more often used for dataflow analyses, the latter two are more frequently used for pointer analyses.

References

Sources

Smaragdakis, Yannis; Balatsouras, George (2015). "Pointer Analysis" (PDF). Foundations and Trends in Programming Languages. 2 (1): 1–69. doi:10.1561/2500000014. Retrieved May 30, 2019.

Editorial summary

This brief starts where responsible research should: with the source description of “Polyvariance” as open-knowledge reference entry. Everything that follows is an evidence route, not borrowed authority.

Editorial reviewA practical starting point whose main value is the path it opens into stronger specialist and primary sources. The current lead gives the account dated anchors—2015, 1561, 2019—that can be checked directly. The selected authority fields contribute no independent date. The account is most persuasive where Polyvariance, Open-knowledge and entry can be independently traced.
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Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Aug 8, 2023. The linked authority identifier is Q7227142. None of the 0 selected statements returned an explicit reference. The first chronological checks are 2015, 1561 and 2019.

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Source & attribution

This entry incorporates text from “Polyvariance” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.