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Issues list

performance of dcast could be improved performance reshape dcast melt
#6361 opened Aug 7, 2024 by tdhock
@tdhock
setkey() should retain retGrp info when re-using that info from setindex() performance
#6319 opened Jul 28, 2024 by MichaelChirico
Indexed data can outperform keyed data when cached sort is uses performance
#6318 opened Jul 28, 2024 by MichaelChirico
dcast() should use GForce for fun.aggregate in some cases enhancement GForce issues relating to optimized grouping calculations (GForce) performance reshape dcast melt
#5992 opened Mar 12, 2024 by MichaelChirico
2
locating performance improvement in NEWS performance
#5900 opened Jan 9, 2024 by TimTaylor
1
16
implement frev() - base::rev() that allocates less performance
#5885 opened Jan 6, 2024 by jangorecki
1
5
DT[chr.vec] slower than tibble[chr.vec,] by sub-linear factors performance
#5837 opened Dec 19, 2023 by tdhock
6
[.data.table is very slow with a single column performance
#5650 opened Jun 7, 2023 by MLopez-Ibanez
15
[.data.table is very slow with a single integer performance
#5636 opened May 13, 2023 by MLopez-Ibanez
3
Make GForce kick-in smarter GForce issues relating to optimized grouping calculations (GForce) performance
#5487 opened Oct 17, 2022 by ben-schwen
2
Grouped calculations of list columns are very slow performance
#5428 opened Aug 3, 2022 by vpetzel
8
Using Map instead of lapply turns GForce off help-wanted performance
#5336 opened Feb 17, 2022 by grantmcdermott
2
optimize the left_str %in right_str & other-cond queries performance
#4799 opened Nov 4, 2020 by shrektan
6
Low performance of setkey function for version 1.12.0 and later High performance regression
#4788 opened Oct 30, 2020 by oliviermeslin 1.17.0
29
Merging by character columns is very slow High performance regression
#4733 opened Oct 2, 2020 by matthiasgomolka 1.17.0
12
Be less conservative about ALTREP performance top request One of our most-requested issues
#4697 opened Sep 7, 2020 by MichaelChirico
7
parallel copy openmp performance
#4540 opened Jun 12, 2020 by jangorecki
i argument could get with=FALSE feature request performance
#4485 opened May 24, 2020 by jangorecki
1
@jangorecki
3
separate index attributes from index High internals performance question
#4467 opened May 21, 2020 by jangorecki 1.17.0
1
Speed up logical indexing with multiple conditions performance
#4105 opened Dec 12, 2019 by ben519
20
join operation almost 2 times slower High joins performance regression
#3928 opened Oct 2, 2019 by vk111 1.17.0
29
GForce optimisation could be more smart GForce issues relating to optimized grouping calculations (GForce) performance top request One of our most-requested issues
#3815 opened Sep 3, 2019 by jangorecki
5
New function: topn for efficiently doing sorted head/tail feature request performance
#3804 opened Aug 30, 2019 by MichaelChirico
2
23
[.data.table which argument could accept integer enhancement performance
#3736 opened Jul 31, 2019 by jangorecki
7
Selecting from data.table by row is very slow performance
#3735 opened Jul 30, 2019 by chnynf
1
7
ProTip! Adding no:label will show everything without a label.