Skip to content

sparsepp

'Rcpp' Interface to 'sparsepp'

v1.22 · Sep 22, 2018 · BSD_3_clause + file LICENSE

Description

Provides interface to 'sparsepp' - fast, memory efficient hash map. It is derived from Google's excellent 'sparsehash' implementation. We believe 'sparsepp' provides an unparalleled combination of performance and memory usage, and will outperform your compiler's unordered_map on both counts. Only Google's 'dense_hash_map' is consistently faster, at the cost of much greater memory usage (especially when the final size of the map is not known in advance).

Downloads

240

Last 30 days

18763rd

692

Last 90 days

3.3K

Last year

Trend: -2.4% (30d vs prior 30d)

CRAN Check Status

14 OK
Show all 14 flavors
Flavor Status
r-devel-linux-x86_64-debian-clang OK
r-devel-linux-x86_64-debian-gcc OK
r-devel-linux-x86_64-fedora-clang OK
r-devel-linux-x86_64-fedora-gcc OK
r-devel-macos-arm64 OK
r-devel-windows-x86_64 OK
r-oldrel-macos-arm64 OK
r-oldrel-macos-x86_64 OK
r-oldrel-windows-x86_64 OK
r-patched-linux-x86_64 OK
r-release-linux-x86_64 OK
r-release-macos-arm64 OK
r-release-macos-x86_64 OK
r-release-windows-x86_64 OK

Check History

OK 14 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE Mar 10, 2026

Version History

new 1.22 Mar 10, 2026
updated 1.22 ← 1.21 diff Sep 21, 2018
updated 1.21 ← 0.2.0 diff Jul 24, 2018
updated 0.2.0 ← 0.1.1 diff Aug 6, 2017
updated 0.1.1 ← 0.1.0 diff Jan 22, 2017
new 0.1.0 Dec 29, 2016