Not crashed it is merely trying to swap memory.
STATA MP MATSIZE WINDOWS
Windows or it may darken on *nix systems). Like Stata has crashed (it may show a "(Not Responding)" message on If the system then runs out of RAM (memory), it could look Second, the Stata GUI might appear frozen when running GtoolsĬommands. To break Gtools commands relative to their Stata counterparts. While this is already trueįor at least some parts of most Stata commands, there are fewer opportunities Not possible to break the program's execution. This has two side-effects users might notice: First, it is sometimes
STATA MP MATSIZE CODE
Gtools uses compiled C code to achieve it's massive increases in For MP this is more thanġ0,000 variables but in IC this is only 800. See thisĭue to limitations in the Stata Plugin Interface, gtoolsĬan only handle as many variables as the largest matsize Gcollapse, gcontract, and greshape do not support strL variabes.ĭue to a Stata bug, gtools cannot support more StrL variables only partially supported on Stata 14 and above (+) Only egen group was benchmarked rigorously. Several parts of ftools working on the Linux server where I haveĪccess to Stata/MP hence the IC benchmarks.) Gtools Variables, which is a limitation of ftools. The commands here are also faster than the commands provided byįtools further, gtools commands take a mix of string and numeric This does not affect the results in most cases, just the sort order.Ĭommands that take this type of input include: In addition, several commands take gsort-style input, that is See the remarks section below for an overview forĭetails and examples, see each command's help page: Several commands offer additional features on top of the massive As such, theīenchmark is not equivalent and gtoplevelsof does not attempt to implement Has a plethora of features and that one is somewhat incidental. With the goal of gleaning the most common levels of a varlist. It is severalĭozen times faster than 'groups, select', but that command was not written Option, gtoplevelsof does not really have an equivalent. (+) While similar to the user command 'groups' with the 'select' Gquantiles, xtile ( fasterxtile) using by(). (-) fastxtile from egenmisc and astile were benchmarked against Or thousands of times faster, but this is an edge case. Slow due to the way they are written in that case gquantiles is hundreds thousands) pctile and xtile are prohibitively (.) Only gegen group was benchmarked rigorously. (+) The upper end of the speed improvements are for quantiles Gtools commands with a Stata equivalent Function
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