1 USING: arrays help.markup help.syntax math math.parser memory quotations
2 sequences system tools.time ;
3 IN: project-euler.ave-time
5 HELP: collect-benchmarks
6 { $values { "quot" quotation } { "n" integer } { "seq" sequence } }
7 { $description "Runs a quotation " { $snippet "n" } " times, collecting the wall clock time inside of a sequence." }
8 { $notes "The stack effect of " { $snippet "quot" } " is accounted for and only one set of outputs will remain on the stack no matter how many trials are run."
10 "A nicer word for interactive use is " { $link ave-time } "." } ;
13 { $values { "quot" quotation } { "n" integer } }
14 { $description "Runs a quotation " { $snippet "n" } " times, then prints the average run time and standard deviation." }
15 { $notes "The stack effect of " { $snippet "quot" } " is accounted for and only one set of outputs will remain on the stack no matter how many trials are run." }
17 "This word can be used to compare performance of the non-optimizing and optimizing compilers."
19 "First, we time a quotation directly; quotations are compiled by the non-optimizing quotation compiler:"
20 { $unchecked-example "[ 1000000 0 [ + ] reduce drop ] 10 ave-time" "465 ms ave run time - 13.37 SD (10 trials)" }
21 "Now we define a word and compile it with the optimizing word compiler. This results in faster execution:"
22 { $unchecked-example ": foo 1000000 0 [ + ] reduce ;" "\\ foo compile" "[ foo drop ] 10 ave-time" "202 ms ave run time - 22.73 SD (10 trials)" }