In re2r: RE2 Regular Expression

Parallel

On Travis-CI with 2 cores CPU.

Quote

dd =stri_rand_strings(100000,10, pattern = "[a-zA-Z0-9\"\']")
head(dd)

microbenchmark(sequential =  quote_meta(dd), parallel =  quote_meta(dd, parallel = T,grain_size = 10000), times = 1)

Replcae

dd =stri_rand_strings(100000, 10, pattern = "[a-zA-Z0-9\"\']")
head(dd)
regexp = re2("sd2er3")

microbenchmark(sequential = re2_replace(dd, regexp, ""), parallel = re2_replace(dd, regexp, "", parallel = T, grain_size = 1000) , times = 5)

microbenchmark(sequential = re2_replace_all(dd, regexp, ""), parallel = re2_replace_all(dd, regexp, "", parallel = T, grain_size = 1000) , times = 5)

Extract

dd =stri_rand_strings(100000, 10, pattern = "[a-zA-Z0-9\"\']")
head(dd)
regexp = re2("(sd)")

invisible(gc())
microbenchmark(sequential =  re2_extract(dd, regexp), parallel = re2_extract(dd, regexp, parallel= T ,grain_size = 1000) ,times = 5)

microbenchmark(sequential =  re2_extract_all(dd, regexp), parallel = re2_extract_all(dd, regexp, parallel= T ,grain_size = 1000) ,times = 5)

Match

dd =stri_rand_strings(100000,10, pattern = "[a-zA-Z0-9\"\']")
head(dd)
regexp = re2("sd")

microbenchmark(sequential =  re2_match(dd, regexp), parallel = re2_match(dd, regexp, parallel= T , grain_size = 1000) ,times = 5)