[Bioc-devel] R CMD check takes too long

Shepherd, Lori Lor|@Shepherd @end|ng |rom Ro@we||P@rk@org
Wed Feb 27 13:56:54 CET 2019

This is probably best asked on the issue itself so your reviewer can chime in and keep track of changes.

It is the length of time to run the entire check that is the check time not just the examples so that is also something to keep in mind.

We would first recommend evaluating any datasets you are using.  Are you using full sets?  Can it be pared down to a smaller subset to decrease run time?  Often a full dataset isn't needed to show functionality.

 I recommend further comments be asked on the submission thread itself.


Lori Shepherd

Bioconductor Core Team

Roswell Park Cancer Institute

Department of Biostatistics & Bioinformatics

Elm & Carlton Streets

Buffalo, New York 14263

From: Bioc-devel <bioc-devel-bounces using r-project.org> on behalf of Kevin Wang <kevin.wang using sydney.edu.au>
Sent: Tuesday, February 26, 2019 8:44:30 PM
To: bioc-devel using r-project.org
Subject: [Bioc-devel] R CMD check takes too long

I have submitted my package scMerge to Bioconductor�s GitHub Issue page. The only warning that I am receiving now tells me the R CMD check took more than 5 minutes. I am not sure how can I shorten this time as a number of the checks are taking much longer time than my local computers. Even on the BioC build report, the example for the function scMerge takes 5.6 seconds on Linux, 8 seconds on OS X, and 75 seconds on Windows.


Any help would be appreciated

Best Wishes
Kevin Y.X. WANG | PhD Candidate
Postgraduate Teaching Fellow
Faculty of Science, School of Mathematics and Statistics
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