factor: trim using lists

[factor.git] / extra / project-euler / ave-time / ave-time-docs.factor

diff --git a/extra/project-euler/ave-time/ave-time-docs.factor b/extra/project-euler/ave-time/ave-time-docs.factor
index d8ee0846b05218e3d7abbe4a100c8d5e1e65670a..168047fc5bdf7258a6ca36dfcddc065bcd562710 100644 (file)
--- a/extra/project-euler/ave-time/ave-time-docs.factor
+++ b/extra/project-euler/ave-time/ave-time-docs.factor
@@ -1,22 +1,22 @@
-USING: arrays help.markup help.syntax math memory quotations sequences system tools.time ;
+USING: help.markup help.syntax math quotations sequences ;
 IN: project-euler.ave-time
 
 HELP: collect-benchmarks
 { $values { "quot" quotation } { "n" integer } { "seq" sequence } }
-{ $description "Runs a quotation " { $snippet "n" } " times, collecting the wall clock time and the time spent in the garbage collector into pairs inside of a sequence." }
-{ $notes "The stack effect of " { $snippet "quot" } " is inferred and only one set of outputs will remain on the stack no matter how many trials are run."
+{ $description "Runs a quotation " { $snippet "n" } " times, collecting the wall clock time inside of a sequence." }
+{ $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."
     $nl
     "A nicer word for interactive use is " { $link ave-time } "." } ;
 
 HELP: ave-time
 { $values { "quot" quotation } { "n" integer } }
-{ $description "Runs a quotation " { $snippet "n" } " times, then prints the average run time and the average time spent in the garbage collector." }
-{ $notes "The stack effect of " { $snippet "quot" } " is inferred and only one set of outputs will remain on the stack no matter how many trials are run." }
+{ $description "Runs a quotation " { $snippet "n" } " times, then prints the average run time and standard deviation." }
+{ $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." }
 { $examples
     "This word can be used to compare performance of the non-optimizing and optimizing compilers."
     $nl
     "First, we time a quotation directly; quotations are compiled by the non-optimizing quotation compiler:"
-    { $unchecked-example "[ 1000000 0 [ + ] reduce drop ] 10 ave-time" "1116 ms run time - 10 trials" }
-    "Now we define a word and compile it with the optimizing word compiler. This results is faster execution:"
-    { $unchecked-example ": foo 1000000 0 [ + ] reduce ;" "\\ foo compile" "[ foo drop ] 10 ave-time" "202 ms run time - 10 trials" }
+    { $unchecked-example "[ 1000000 0 [ + ] reduce drop ] 10 ave-time" "465 ms ave run time - 13.37 SD (10 trials)" }
+    "Now we define a word and compile it with the optimizing word compiler. This results in faster execution:"
+    { $unchecked-example ": foo 1000000 0 [ + ] reduce ;" "\\ foo compile" "[ foo drop ] 10 ave-time" "202 ms ave run time - 22.73 SD (10 trials)" }
 } ;