- 1.6-rc5: Background multitasking

From: [at]} <igor>
Date: Thu, 27 Sep 2007 18:35:41 +0300

----boundary-LibPST-iamunique-1805991724_-_-
Content-type: text/plain


GJ> I have another observation, which looks strange to me. If in
GJ> the example given below I uncomment the following line (* one :=
GJ> 1.0; *), which just duplicates the previous command, the execution
GJ> time of the whole program drops by a factor of ~3. Is this because
GJ> the BB compiler is a non optimizing one? Or something is broken
GJ> here? I'm using Windows XP on a Pentium M CPU.

On some CPUs flooating point performance depends on data alignment.

--- BlackBox
--- send subject HELP or UNSUBSCRIBE to blackbox{([at]})nowhere.xy


----boundary-LibPST-iamunique-1805991724_-_-
Content-type: application/rtf
Content-transfer-encoding: base64
Content-Disposition: attachment; filename="rtf-body.rtf"
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----boundary-LibPST-iamunique-1805991724_-_---
Received on Thu Sep 27 2007 - 17:35:41 UTC

This archive was generated by hypermail 2.3.0 : Thu Sep 26 2013 - 06:31:19 UTC