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Re: Pass by ref vs alias : why does scalar size matter?

by Corion (Patriarch)

on May 02, 2008 at 11:22 UTC ( [id://684140]=note: print w/replies, xml )

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Length of string: 1000
          Rate   ref alias
...
         Rate   ref alias
alias 25947/s   12%    --
ref   23186/s    --  -11%

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This is perl, v5.8.4 built for sun4-solaris-64int
(with 27 registered patches, see perl -V for more detail)

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Length of string: 1000
          Rate   ref alias
...
          Rate alias   ref
ref   162602/s    2%    --
alias 160000/s    --   -2%

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This is perl, v5.8.8 built for IA64.ARCHREV_0-thread-multi
(with 33 registered patches, see perl -V for more detail)
...

Binary build 817.1 [268662] provided by ActiveState http://www.ActiveS
+tate.com
Built Sep 19 2006 13:53:03

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          Rate   ref alias
ref   258065/s    --  -46%
...
          Rate alias   ref
alias  65509/s    --  -42%
ref   112867/s   72%    --

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This is perl, v5.10.0 built for MSWin32-x86-multi-thread

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Length of string: 1000
          Rate   ref alias
...
          Rate alias   ref
alias  67801/s    --  -39%
ref   111694/s   65%    --

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This is perl, v5.8.8 built for MSWin32-x86-multi-thread

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