Syntax. async is shorter, but can only pass args via capture.

Not so. async is identical to threads->create(), except that it is invoked as a function rather than a class method: 

# 'async' is a function alias for the 'threads->create()' method
sub async (&;@)
{
    unshift(@_, 'threads');
    # Use "goto" trick to avoid pad problems from 5.8.1 (fixed in 5.8.
+2)
    goto &create;
}

[download]

So async \&sub, $arg, 1, 'fred'; or even async{ ... } $arg, 1, 'fred';

are identical in effect to threads->create( \&sub, $arg, 1, 'fred' );

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
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In reply to Re^3: wait for threads to end in parallel by BrowserUk
in thread wait for threads to end in parallel by pmarcoen

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