Semiconductor & Computer Engineering
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| + | {{mirc title|Optimization}} | ||
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mIRC is not considered a fast language and, more often than not, the easiest implementation is not the fastest. | mIRC is not considered a fast language and, more often than not, the easiest implementation is not the fastest. | ||
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| − | == | + | == Conditional Syntax == |
| + | Best to worst: | ||
| + | if (condition) command | ||
| + | if condition { command } | ||
| + | if (condition) { command } | ||
== if-else vs $iif() == | == if-else vs $iif() == | ||
| + | $iif() is much slower than using an if-else statement. When $iif() is evaluated it is first rearranged into an if-else statement and the resulting if-else statement is parsed. | ||
| + | |||
| + | Best to worst: | ||
| + | var %result = condition_false_value | ||
| + | if (condition) %result = condition_true_value | ||
| − | + | if (condition) %result = condition_true_value | |
| + | else %result = condition_false_value | ||
| + | |||
| + | %result = $iif(condition, condition_true_value, condition_false_value) | ||
== /tokenize & $n vs $gettok() == | == /tokenize & $n vs $gettok() == | ||
| + | For successive calls against the same data, it is faster to use /tokenize and $n over $gettok(). | ||
| + | |||
| + | |||
| + | == []'s vs $() vs $eval == | ||
| + | Best to worst: | ||
| + | [ eval_statement ] | ||
| + | $(eval_statement, 2) | ||
| + | $eval(eval_statement, 2) | ||
Revision as of 21:54, 15 December 2015
mIRC is not considered a fast language and, more often than not, the easiest implementation is not the fastest.
The following tips will help to increase the execution speed of a script. Most will have a very marginal speed advantage and, as such, may not be worth the hassle outside of long-running script blocks such as loops.
Contents
Custom alias bypassing
When calling any form of command or identifer mIRC attempts to find a scripted version prior to looking for native functionality. This can be bypassed by prefixing commands with ! and by inserting a ~ after the $ of identifers
Conditional Syntax
Best to worst: if (condition) command if condition { command } if (condition) { command }
if-else vs $iif()
$iif() is much slower than using an if-else statement. When $iif() is evaluated it is first rearranged into an if-else statement and the resulting if-else statement is parsed.
Best to worst: var %result = condition_false_value if (condition) %result = condition_true_value
if (condition) %result = condition_true_value else %result = condition_false_value
%result = $iif(condition, condition_true_value, condition_false_value)
/tokenize & $n vs $gettok()
For successive calls against the same data, it is faster to use /tokenize and $n over $gettok().
[]'s vs $() vs $eval
Best to worst: [ eval_statement ] $(eval_statement, 2) $eval(eval_statement, 2)