Yes, it's been discussed on this list before. In reality: possible In M5: not supported
On Sun, Jan 23, 2011 at 3:14 AM, Gabe Black <[email protected]> wrote: > I don't know about in general, but I'm pretty sure you can't in M5. I > think it has to do with the coherence protocol. Other people are more > familiar with those areas than I am, but I'm pretty sure this has come > up before and that was the conclusion. > > Gabe > > biswabandan panda wrote: > > Hi Gabe, > > the statement made by you is for m5 or in > > general?because some of simulators do support different block sizes > > > > On Sun, Jan 23, 2011 at 4:37 PM, Gabe Black <[email protected] > > <mailto:[email protected]>> wrote: > > > > I'm pretty sure you can't actually have different block sizes. > > > > Gabe > > > > sunitha p wrote: > > > can u just help me out in dis regard..because we got an error if we > > > have different block sizes for L1 and L2 > > > > > > On Sun, Jan 23, 2011 at 4:16 PM, biswabandan panda > > > <[email protected] <mailto:[email protected]> > > <mailto:[email protected] <mailto:[email protected]>>> wrote: > > > > > > yes but in real processors the block size used to be same at > all > > > the three levels > > > > > > > > > On Sun, Jan 23, 2011 at 4:02 PM, sunitha p > > <[email protected] <mailto:[email protected]> > > > <mailto:[email protected] <mailto:[email protected]>>> > > wrote: > > > > > > Thanks > > > > > > Is it possible for having different block sizes for > > different > > > caches > > > > > > > > > On Sun, Jan 23, 2011 at 9:30 AM, biswabandan panda > > > <[email protected] <mailto:[email protected]> > > <mailto:[email protected] <mailto:[email protected]>>> wrote: > > > > > > assign block size to 32 in both the caches and so on. I > > > think there are some issues with 16byte block size. > > > > > > On Sun, Jan 23, 2011 at 1:14 AM, sunitha p > > > <[email protected] <mailto:[email protected]> > > <mailto:[email protected] <mailto:[email protected]>>> wrote: > > > > > > Hi all, > > > > > > I am trying to change the block sizes of L1 and > > L2 caches. > > > > > > Have changed L1 cache block size =16 and L2 to 32 > in > > > run.py file > > > > > > but finding these errors. > > > > > > M5 Simulator System > > > > > > Copyright (c) 2001-2008 > > > The Regents of The University of Michigan > > > All Rights Reserved > > > > > > > > > M5 compiled Jan 13 2011 12:49:12 > > > M5 revision Unknown > > > M5 started Jan 23 2011 01:12:36 > > > M5 executing on sunita > > > command line: build/ALPHA_SE/m5.debug > > > configs/splash2/run.py --rootdir > > splash/splash2/codes > > > -t -m 10000000000 --frequency 1GHz -n 4 --l1size > > 16kB > > > --l2size 64kB --l1latency 4ns --l2latency 11ns > > -b FMM > > > Global frequency set at 1000000000000 ticks per > > second > > > 0: system.remote_gdb.listener: listening for remote > > > gdb #0 on port 7000 > > > 0: system.remote_gdb.listener: listening for remote > > > gdb #1 on port 7001 > > > 0: system.remote_gdb.listener: listening for remote > > > gdb #2 on port 7002 > > > 0: system.remote_gdb.listener: listening for remote > > > gdb #3 on port 7003 > > > info: Entering event queue @ 0. Starting > > simulation... > > > info: Increasing stack size by one page. > > > m5.debug: > > build/ALPHA_SE/mem/cache/cache_impl.hh:347: > > > bool Cache<TagStore>::access(Packet*, typename > > > TagStore::BlkType*&, int&, PacketList&) [with > > TagStore > > > = LRU]: Assertion `blkSize == pkt->getSize()' > > failed. > > > Program aborted at cycle 173377000 > > > Aborted > > > > > > kindly help > > > > > > -- > > > Sunitha.P > > > 9092892876 > > > > > > > > > _______________________________________________ > > > m5-users mailing list > > > [email protected] <mailto:[email protected]> > > <mailto:[email protected] <mailto:[email protected]>> > > > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > > > > > > > > > > > > > > -- > > > > > > /thanks®ards > > > / > > > /BISWABANDAN PANDA/ > > > /M.S.(RESEARCH SCHOLAR)/ > > > /RISE LAB/ > > > /IIT MADRAS/ > > > > > > http://www.cse.iitm.ac.in/~biswa/ > > <http://www.cse.iitm.ac.in/%7Ebiswa/> > > > <http://www.cse.iitm.ac.in/%7Ebiswa/> > > > > > > "Happy new Year 2011" > > > > > > > > > _______________________________________________ > > > m5-users mailing list > > > [email protected] <mailto:[email protected]> > > <mailto:[email protected] <mailto:[email protected]>> > > > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > > > > > > > > > > > > > > -- > > > Sunitha.P > > > 9092892876 > > > > > > > > > _______________________________________________ > > > m5-users mailing list > > > [email protected] <mailto:[email protected]> > > <mailto:[email protected] <mailto:[email protected]>> > > > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > > > > > > > > > > > > > > -- > > > > > > /thanks®ards > > > / > > > /BISWABANDAN PANDA/ > > > /M.S.(RESEARCH SCHOLAR)/ > > > /RISE LAB/ > > > /IIT MADRAS/ > > > > > > http://www.cse.iitm.ac.in/~biswa/ > > <http://www.cse.iitm.ac.in/%7Ebiswa/> > > > <http://www.cse.iitm.ac.in/%7Ebiswa/> > > > > > > "Happy new Year 2011" > > > > > > > > > _______________________________________________ > > > m5-users mailing list > > > [email protected] <mailto:[email protected]> > > <mailto:[email protected] <mailto:[email protected]>> > > > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > > > > > > > > > > > > > > -- > > > Sunitha.P > > > 9092892876 > > > > > > > > > ------------------------------------------------------------------------ > > > > > > _______________________________________________ > > > m5-users mailing list > > > [email protected] <mailto:[email protected]> > > > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > > > _______________________________________________ > > m5-users mailing list > > [email protected] <mailto:[email protected]> > > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > > > > > > > > > -- > > > > /thanks®ards > > / > > /BISWABANDAN PANDA/ > > /M.S.(RESEARCH SCHOLAR)/ > > /RISE LAB/ > > /IIT MADRAS/ > > > > http://www.cse.iitm.ac.in/~biswa/ <http://www.cse.iitm.ac.in/%7Ebiswa/> > > > > "Happy new Year 2011" > > > > ------------------------------------------------------------------------ > > > > _______________________________________________ > > m5-users mailing list > > [email protected] > > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users > > _______________________________________________ > m5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/m5-users >
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