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[ROOT]/includes/bbcode.php on line 112: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead [phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 112: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead [phpBB Debug] PHP Warning: in file [ROOT]/includes/bbcode.php on line 112: preg_replace(): The /e modifier is no longer supported, use preg_replace_callback instead [phpBB Debug] PHP Warning: in file [ROOT]/feed.php on line 173: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3823) [phpBB Debug] PHP Warning: in file [ROOT]/feed.php on line 174: Cannot modify header information - headers already sent by (output started at [ROOT]/includes/functions.php:3823) Parallella CommunitySupercomputing for Everyone2014-07-18T07:11:21+00:00https://parallella.org/forums/feed.php?f=43&t=14922014-07-17T14:31:30+00:002014-07-17T14:31:30+00:00https://parallella.org/forums/viewtopic.php?t=1492&p=9373#p9373<![CDATA[Re: epu timing tool]]>Statistics: Posted by notzed — Thu Jul 17, 2014 2:31 pm
]]>2014-07-16T21:57:50+00:002014-07-16T21:57:50+00:00https://parallella.org/forums/viewtopic.php?t=1492&p=9346#p9346<![CDATA[Re: epu timing tool]]>Statistics: Posted by aolofsson — Wed Jul 16, 2014 9:57 pm
]]>2014-07-16T18:11:57+00:002014-07-16T18:11:57+00:00https://parallella.org/forums/viewtopic.php?t=1492&p=9340#p9340<![CDATA[Re: epu timing tool]]>Statistics: Posted by notzed — Wed Jul 16, 2014 6:11 pm
]]>2014-07-15T12:08:47+00:002014-07-15T12:08:47+00:00https://parallella.org/forums/viewtopic.php?t=1492&p=9288#p9288<![CDATA[Re: epu timing tool]]>Statistics: Posted by timpart — Tue Jul 15, 2014 12:08 pm
]]>2014-07-15T02:48:12+00:002014-07-15T02:48:12+00:00https://parallella.org/forums/viewtopic.php?t=1492&p=9284#p9284<![CDATA[Re: epu timing tool]]>Statistics: Posted by shodruk — Tue Jul 15, 2014 2:48 am
]]>2014-07-14T13:52:56+00:002014-07-14T13:52:56+00:00https://parallella.org/forums/viewtopic.php?t=1492&p=9266#p9266<![CDATA[Re: epu timing tool]]>Statistics: Posted by aolofsson — Mon Jul 14, 2014 1:52 pm
]]>2014-07-14T13:16:35+00:002014-07-14T13:16:35+00:00https://parallella.org/forums/viewtopic.php?t=1492&p=9264#p9264<![CDATA[Re: epu timing tool]]> Does the timing of when a double word fetch is started depend on whether its address is on or off core?
Presumably Dual Issuing is still possible if the other instruction is on the following double word?
]]>2014-07-14T08:46:43+00:002014-07-14T08:46:43+00:00https://parallella.org/forums/viewtopic.php?t=1492&p=9256#p9256<![CDATA[Re: epu timing tool]]> Andreas
Statistics: Posted by aolofsson — Mon Jul 14, 2014 8:46 am
If you used the spu-timing-tool from the IBM for the CELL B.E. the final output might be familiar. It works on object files (linked or not).
I have a super-rough pipeline which tracks the register dependencies and dual issue rules based on the arch ref and some testing on the hardware. I've not tried to implement the fetch logic as yet although this also affects dual-issue rates in ways i've yet to fully determine. At this point the intention is just as a static analysis tool but i'll see where the wind takes me.
I don't have a release package yet, I want to fix a few things and pretty up the output a bit first.
This topic is for any expressions of interest and discussion.