knitr::opts_chunk$set( collapse = TRUE, comment = "#>" ) library(timeR)
timeR package creates a R6 class, which allows you to create a timer object
to easily time your codes. Meanwhile, all records are saved to a data frame, so it's easy to retrieve all the records for later use.
Timing codes is not difficult but can be very tedious. With
timeR, you can save your energy on timing and put more effort on
your analysis. You can use
timeR to timing training time for machine learning models, record speed for requests hen running web-scraping codes or other situations that you need to keep records of time.
library(timeR) # Create a timer object(precision default to s) my_timer <- createTimer() # start timing for an event my_timer$start("event one") #start timing for another event my_timer$start("event two") # stop timing for the events my_timer$stop("event one") my_timer$stop("event two", comment = "my comment") # comment is optional # retrieve the table for all recordings getTimer(my_timer) # or create a timer object and setting verbose to false my_timer2 <- createTimer(verbose = F) # toggle on/off verbose my_timer$toggleVerbose() # warnings will still be shown when verbose is turned off my_timer$stop("event one")
Let's compare the workflow with and without
timeR in the following scenario.
Our goal is to keep records of two events: event 1 and event 2.
We need to keep records of starting and stopping time for both events as well as calculate the time difference between them. Also, we want to save those information to a data frame for later analysis.
#initialize a timer object named mytimer: s, ms, us can be used as precision mytimer <- createTimer(precision = "us") # event 1 mytimer$start("event 1") # do something here Sys.sleep(1) mytimer$stop("event 1") #event 2 mytimer$start("event 2") # do something here Sys.sleep(1) mytimer$stop("event 2",comment = "custom comment") # print records getTimer(mytimer) # get attributes for selected events mytimer$getStartTime("event 1") mytimer$getStopTime("event 1") mytimer$getTimeElapsed("event 1") mytimer$getComment("event 1") mytimer$getEvent("event 1")
#initalize a dataframe to store the information timer_df = data.frame(matrix(ncol = 5, nrow = 0)) colnames(timer_df) <- c("event","start","end","timeElapsed","comment") #event 1 t1 <- Sys.time() # do something here Sys.sleep(1) t2 <- Sys.time() timer_df <- rbind(timer_df, data.frame(start = t1, end = t2, event = "event 1", timeElapsed = t2-t1, comment=NA)) #event 2 t1 <- Sys.time() # do something here Sys.sleep(1) t2 <- Sys.time() timer_df <- rbind(timer_df, data.frame(start = t1, end = t2, event = "event 2", timeElapsed = t2-t1, comment = "custom comment")) # print records timer_df
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