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bigmemory

4.6.6Package record

Manage Massive Matrices with Shared Memory and Memory-Mapped Files

39packages dependsuggested by 9
197.4Kdownloads / year
48.3%test coverage
13/13flavors OK

Overview

About

Create, store, access, and manipulate massive matrices. Matrices are allocated to shared memory and may use memory-mapped files. Packages 'biganalytics', 'bigtabulate', 'synchronicity', and 'bigalgebra' provide advanced functionality.

Install

Health

CRAN checks
13OK
Slowest check: 4.1 min · r-devel-windows-x86_64
Status changes
  • OK13 OK2026-09-08
  • ERROR12 OK, 1 ERROR2026-09-07
  • OK13 OK2026-08-05
  • NOTE12 OK, 1 NOTE2026-08-01
  • OK12 OK2026-04-25
Show 3 earlier changesHide 3 earlier changes
  • NOTE12 OK, 2 NOTE2026-04-22
  • ERROR11 OK, 2 NOTE, 1 ERROR2026-04-18
  • NOTE12 OK, 2 NOTE2026-03-10
Advisories

none known

Documentation

In release 4.6.6
README· In the repository, left out of the releaseVignettesNoNEWSYes · 33% structuredCitation fileYes · cites a publicationWebsitenot declared in DESCRIPTION
Help pages
25includes a package overview page
Examples that run
100%11 run in a plain check
Exported functions with examples
80%
Documented parameters
100%
Return-value docs
80%
Help pages citing references
8%

Downloads

197.4K
CRAN downloads in the past year
Rank #881 · ~541/day · ~16.5K/mo
Daily download trend is not available in this view yet.
18K30 days
48.7K90 days
197.4K1 year
Compare downloads with other packages →
Also on2.5K r2u23 autocran18.6K conda_forge178 bioconda178 c2d4u

Repository

133Stars
25Forks
38Open issues
3Open PRs
2Releases
345Commits
13Commit identities
345 commits · Last activity 2026-06-08 · 0% stars, 30d · The default branch showed an older version (4.6.5) than CRAN on 2026-10-11
Responsiveness
How these are sampled
PRs merged (all time)
97%
Median days to close, 50 most recently updated closed issues
5
Median days to close, 50 most recently updated closed PRs
1

Stars over time

2025-08-08 · 1302026-07-07 · 133
PracticesBeta

5 development-tooling and community-health practices detected across 2 families in the upstream repository

Checks run against github.com/kaneplusplus/bigmemory on 2026-10-11.

Continuous integration (4)
GitHub ActionsR CMD check workflowTravis CI (config file)AppVeyor

The R CMD check workflow runs on Linux, macOS and Windows, and on R-devel

CRAN release process (1)
cran-comments.md
How this is detected·Detection ruleset v3 (2026-09-26)
AI coding toolsBeta

This repository shows signs of AI coding tools.

  • Claude Codefirst seen 2026-06-07
    Named in .Rbuildignore: .claude
    Commits: at least 2 crediting it in the message
Models named in its commits
  • Claude Opus 4.82 commits · Jun 2026
Counts are commits, not lines of code. Commits by a tool's accounts count once across all of its accounts. Commits crediting it are the largest count among its credit lines, a minimum.How this is detected·Detection ruleset v4 (updated 2026-09-27)

Dependencies

Declared dependencies
8 external dependencies (excludes base and recommended)

Installing bigmemory adds 4 packages (2 with compiled code, 16 MB of source tarballs). Heaviest: BH 14 MB, Rcpp 1.8 MB, uuid 79 KB.

Depends (1)
R >= 3.2.0
Imports (5)
LinkingTo (3)
Suggests (2)
Enhances (0)
none

People & History

People (4)
Author, Maintainer since 4.2.1 (2010)
Author · added in 4.6.0
Author · added in 4.4.5

Previously maintained by John W. Emerson (2.0 to 3.12).

Listed in earlier versions (1)
no longer listed · 4.5.8 to 4.5.36
Releases (47)

Pick two releases to compare their code metrics.

  • 4.6.6Latest
    record
    2026-06-08 · current release · diff ↗
  • R
    R 4.6.0 released · 2026-04-24
  • R
    R 4.5.0 released · 2025-04-11
  • R
    R 4.4.0 released · 2024-04-24
  • 4.6.4
    record
    2024-01-09 · diff ↗
  • R
    R 4.3.0 released · 2023-04-21
  • 4.6.1
    record
    2022-05-02 · diff ↗
  • 4.6.0
    record
    2022-05-01 · diff ↗
  • R
    R 4.2.0 released · 2022-04-22
  • R
    R 4.1.0 released · 2021-05-18
  • R
    R 4.0.0 released · 2020-04-24
  • 4.5.36
    record
    2019-12-23 · diff ↗
  • R
    R 3.6.0 released · 2019-04-26
  • R
    R 3.5.0 released · 2018-04-23
  • 4.5.33
    record
    2018-01-11 · diff ↗
  • 4.5.31
    record
    2017-11-20 · diff ↗
Show 54 earlier eventsHide 54 earlier events
  • 4.5.30
    record
    2017-11-20 · diff ↗
  • 4.5.28
    record
    2017-11-08 · diff ↗
  • 4.5.27
    record
    2017-11-08 · diff ↗ ·
    added 1 export
    dir.name
  • R
    R 3.4.0 released · 2017-04-21
  • R
    R 3.3.0 released · 2016-05-03
  • 4.5.19
    record
    2016-03-28 · diff ↗
  • 4.5.18
    record
    2016-03-08 · diff ↗
  • 4.5.17
    record
    2016-03-01 · diff ↗
  • 4.5.11
    record
    2016-02-22 · diff ↗
  • 4.5.10
    record
    2016-02-18 · diff ↗
  • 4.5.8
    record
    2015-10-20 · diff ↗ ·
    added 17 exports
    GetMatrixSize, as.big.matrix, file.name, flush, is.big.matrix, is.filebacked, is.float, is.readonly, is.separated, is.shared, is.sub.big.matrix, morderCols, mpermuteCols, mwhich, read.big.matrix, shared.name, write.big.matrix
  • R
    R 3.2.0 released · 2015-04-16
  • R
    R 3.1.0 released · 2014-04-10
  • 4.4.6
    record
    2013-11-18 · diff ↗
  • 4.4.5
    record
    2013-11-05 · diff ↗ ·
    removed 1 export
    getCType
  • R
    R 3.0.0 released · 2013-04-03
  • 4.4.3
    record
    2013-04-01 · diff ↗
  • 4.4.0
    record
    2013-03-11 · diff ↗
  • 4.3.0
    record
    2012-09-17 · diff ↗
  • R
    R 2.15.0 released · 2012-03-30
  • R
    R 2.14.0 released · 2011-10-31
  • 4.2.11
    record
    2011-07-26 · diff ↗
  • R
    R 2.13.0 released · 2011-04-13
  • R
    R 2.12.0 released · 2010-10-15
  • 4.2.3
    record
    2010-05-09 · diff ↗
  • 4.2.1
    record
    2010-05-05 · diff ↗ ·
    removed 28 exports
    as.big.matrix, is.big.matrix, is.separated, is.filebacked, shared.big.matrix, is.shared, rw.mutex, attach.rw.mutex, rlock, rwlock, unlock, describe, biglm.big.matrix, bigglm.big.matrix, hash.mat, read.big.matrix, write.big.matrix, colsd, colvar, mwhich, colmin, colmax, colrange, colsum, colprod, colmean, binit, colna
    added 4 exports
    sub.big.matrix, morder, mpermute, is.nil
  • R
    R 2.11.0 released · 2010-04-22
  • 3.12
    record
    2009-10-26 · diff ↗
  • R
    R 2.10.0 released · 2009-10-26
  • 3.11
    record
    2009-09-10 · diff ↗
  • 3.10
    record
    2009-07-18 · diff ↗
  • 3.9
    record
    2009-06-22 · diff ↗ ·
    removed 2 exports
    [.big.matrix, big.sub.matrix
  • 3.8
    record
    2009-06-10 · diff ↗
  • 3.7
    record
    2009-06-03 · diff ↗ ·
    added 2 exports
    big.sub.matrix, colna
  • 3.6
    record
    2009-05-04 · diff ↗
  • R
    R 2.9.0 released · 2009-04-17
  • 3.5
    record
    2009-04-15 · diff ↗
  • 3.0.3
    record
    2013-11-18 · diff ↗
  • 3.0.0
    record
    2013-03-21 · diff ↗ ·
    added 1 export
    getCType
  • 2.15.2
    record
    2012-09-12 · diff ↗
  • 2.13.2
    record
    2011-07-26 · diff ↗
  • 2.11.1
    record
    2010-05-08 · diff ↗
  • 2.10.0
    record
    2009-10-24 · diff ↗
  • 2.9.2
    record
    2009-07-15 · diff ↗
  • 2.9.1
    record
    2009-06-22 · diff ↗
  • 2.9.0
    record
    2009-04-14 · diff ↗ ·
    removed 4 exports
    add.cols, rm.cols, kmeans.big.matrix, shared.deepcopy
    added 8 exports
    [.big.matrix, is.separated, is.filebacked, filebacked.big.matrix, rlock, rwlock, unlock, binit
  • R
    R 2.8.0 released · 2008-10-20
  • 2.7.2
    record
    2008-07-26 · diff ↗
  • 2.7.1
    record
    2008-06-22 · diff ↗ ·
    removed 2 exports
    dimnames, dimnames<-
  • 2.3
    record
    2008-07-28 · diff ↗
  • 2.2
    record
    2008-07-18 · diff ↗
  • 2.1
    record
    2008-06-23 · diff ↗
  • 2.0
    record
    2008-06-23
  • R
    R 2.7.0 released · 2008-04-22

Package metadata

First published
2008-06-22
Total releases
47 / 18 yrs
License
LGPL-3 | Apache License 2.0 OSI · relicensed from LGPL-3 in 4.5.8
Minimum R
≥ 3.2.0
Download size
71 KB

Cite

Cite this package

Run in R for the authors' entry:

citation("bigmemory")

The package provides a citation file, so citation() returns the authors' own entry.

Cite the R Observatory

For a number measured here: a download total, a coverage figure, an archival date.

APA

Balamuta, J. J. (2026). R Observatory: Metrics for bigmemory version 4.6.6 [Data set]. HJJB, LLC. Data release v2026-10-18. https://doi.org/10.5281/zenodo.21843040

From data release v2026-10-18, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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