profr provides an alternative data structure and display for profiling data. It still uses
Rprof() to collect the data, but outputs a data.frame which should be easier to manipulate. It also implements a novel visualisation which allows you to see the time taken by each function, as well as the context in which it was called.
To get started, try:
install.packages("profr") library(profr) p <- profr(my.slow.function()) plot(p)
Two built in examples are:
(and the second has helped me to considerably speed up (5-20x) the development version of reshape)
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