Talk:Synergistic Processing Unit (SPU): Difference between revisions
Jump to navigation
Jump to search
No edit summary |
No edit summary |
||
| Line 10: | Line 10: | ||
Well if the spe is in isolation mode only code running on this particular spe can access it's LS. | Well if the spe is in isolation mode only code running on this particular spe can access it's LS. | ||
^Not entirely true, the high segment of the LS is accessible from the other SPEs and the PPE. [[User:Shuffle2|Shuffle2]] 10:01, 22 April 2011 (CDT) | |||
need quotation / proper sources / documentation | need quotation / proper sources / documentation | ||
Revision as of 16:01, 22 April 2011
PPU/SPU bugs/flaws/exploits
There's a bug in the provided malloc function, if there's no heap
SPE mailbox has maximum depth of 4 messages
The depth of 4 messages for the spe in mailbox is not a bug, it's a simple hardware limitation (as you can read in this document: http://publib.boulder.ibm.com/infocenter/ieduasst/stgv1r0/topic/com.ibm.iea.cbe/cbe/1.0/Programming/L3T2H1_40_DevelopingCodeForCellMailboxes.pdf).
Local Storage can be accessed
Well if the spe is in isolation mode only code running on this particular spe can access it's LS.
^Not entirely true, the high segment of the LS is accessible from the other SPEs and the PPE. Shuffle2 10:01, 22 April 2011 (CDT)
need quotation / proper sources / documentation