Hi, On Tue, 11 Apr 2006 12:31:40 -0700 "Om Narasimhan" <om.turyx@xxxxxxxxx> wrote: > I do not know exactly, but it is almost right. In scheduler code I did > not see anything to differenciate among processes of a thread and > independent processes. But I can be wrong. I don't know precisely how the Linux kernel scheduler works, but I'm pretty sure it uses the information of "this group of processes are in the same address space" (which means they are threads). Switching to a thread of the same address space as the current one has clearly not the same cost as switching to a thread in a different address space (because of the involved TLB flushing stuff). Sincerly, Thomas -- PETAZZONI Thomas - thomas.petazzoni@xxxxxxxx http://{thomas,sos,kos}.enix.org - Jabber: thomas.petazzoni@xxxxxxxxx http://{agenda,livret}dulibre.org - http://www.toulibre.org Fingerprint : 0BE1 4CF3 CEA4 AC9D CC6E 1624 F653 CB30 98D3 F7A7
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