Thanks for that // Naderan *Mahmood;
----- Original Message ----- From: Song Liu <[email protected]> To: Mahmood Naderan <[email protected]> Cc: simflex <[email protected]> Sent: Wednesday, April 27, 2011 5:56 PM Subject: Re: segmentation fault in CMP.L2SharedNUCA.OoO There are a few topology files in other simulators' folders. You can copy them to the simulator you are using. Song On Wed, Apr 27, 2011 at 8:23 AM, Mahmood Naderan <[email protected]> wrote: >>For 4 cores, you should use 4x3 topology. > By default there is no 4x3. However I want to create that. Problem is I > don't know "Top Switch" and "Route Switch" sections. Do you have one for that? > > > // Naderan *Mahmood; > > > ----- Original Message ----- > From: Song Liu <[email protected]> > To: Mahmood Naderan <[email protected]> > Cc: Volos Stavros <[email protected]>; simflex <[email protected]> > Sent: Wednesday, April 27, 2011 5:17 PM > Subject: Re: segmentation fault in CMP.L2SharedNUCA.OoO > > For 4 cores, you should use 4x3 topology. > > Memory map is used for NUMA, not NUCA. In your case, you should use 1 > nodes for memory map. > > Song > > On Wed, Apr 27, 2011 at 2:16 AM, Mahmood Naderan <[email protected]> wrote: >> Hi Stavros, >> Thanks for your reply. >> using CMP.L2SharedNUCA.OoO with 4 cores, I have set >> >> flexus.set "-network:nodes" "12" # >> "Number of Nodes" (NumNodes) >> >> and used 16x3 topology. Is there any relation between them? Is that correct? >> >> also what about flexus.set "-memory-map:nodes" >> "1" # "Number of Nodes" (NumNodes) >> >> should it be 1 as default? >> >> // Naderan *Mahmood; >> >> >> ----- Original Message ----- >> From: Volos Stavros <[email protected]> >> To: Mahmood Naderan <[email protected]>; simflex <[email protected]> >> Cc: >> Sent: Wednesday, April 27, 2011 12:48 AM >> Subject: Re: segmentation fault in CMP.L2SharedNUCA.OoO >> >> Dear Mahmood, >> >> You are trying to simulate a quad-core system where each core consists of >> four hardware threads. This is >> because you have set the variable "-fag:threads" to "4". >> >> Please note that each SIMICS cpu is a hardware thread. >> >> Your workload has only four hardware threads (i.e., 4 simics CPUs). As such >> with the current workload you can >> simulate a system that supports only four hardware threads (e.g., either a >> system with 4 single-thread cores). >> In order to simulate a quad-core 4-way multithreaded system, you need a >> workload with 16 hardware threads. >> >> Please change the variable as follows >> >> flexus.set "-fag:threads" "1" >> >> In case you changed other parameters, please also make sure that you are >> simulating single-threaded cores. >> >> flexus.set "-ufetch:threads" "1" # >> "Number of threads under control of this uFetch" (Threads) >> flexus.set "-fag:threads" "1" # >> "Number of threads under control of this FAG" (Threads) >> flexus.set "-decoder:multithread" "0" # >> "Enable multi-threaded execution" (Multithread) >> flexus.set "-uarch:multithread" "0" # >> "Enable multi-threaded execution" (Multithread) >> flexus.set "-L1d:cores" "1" # >> "Number of threads (cores)" (Cores) >> flexus.set "-L1i:mt_width" "1" # >> "Number of threads sharing this cache" (MTWidth) >> flexus.set "-L1d:mt_width" "1" # >> "Number of threads sharing this cache" (MTWidth) >> >> >> >> Regards, >> -Stavros. >> ________________________________________ >> From: Mahmood Naderan [[email protected]] >> Sent: Tuesday, April 19, 2011 10:21 AM >> To: simflex >> Subject: segmentation fault in CMP.L2SharedNUCA.OoO >> >> Hi there, >> After running a successful trace with CMP.L2Shared.Trace, now I get >> segmentation >> fault at the beginning of CMP.L2SharedNUCA.OoO >> >> 34 <ComponentManager.cpp:95> {0}- Initalizing components... >> 35 <ComponentManager.cpp:99> {0}- Initalizing sys-white-box >> 36 <ComponentManager.cpp:99> {0}- Initalizing 00-fag >> 37 <mai_api.cpp:274> {0}- Searching 4 cpus. >> 38 <mai_api.cpp:278> {0}- Processor 0: cpu0 - CPU 0 >> 39 <mai_api.cpp:297> {0}- Found CPU: '' - 0 >> 40 <mai_api.cpp:278> {0}- Processor 1: cpu1 - CPU 1 >> 41 <mai_api.cpp:297> {0}- Found CPU: '' - 1 >> 42 <mai_api.cpp:278> {0}- Processor 2: cpu2 - CPU 2 >> 43 <mai_api.cpp:297> {0}- Found CPU: '' - 2 >> 44 <mai_api.cpp:278> {0}- Processor 3: cpu3 - CPU 3 >> 45 <mai_api.cpp:297> {0}- Found CPU: '' - 3 >> 46 <mai_api.cpp:314> {0}- Found 4 Flexus CPUs and 0 Client CPUs in 0 VMs >> 47 <mai_api.cpp:353> {0}- VMS per row = 1, CPVM = 4, NVMR = 2, NumRow = 2 >> 48 <mai_api.cpp:380> {0}- theProcMap[0] = (0, 0) (abs_index = 0) >> 49 <mai_api.cpp:380> {0}- theProcMap[1] = (1, 0) (abs_index = 1) >> 50 <mai_api.cpp:380> {0}- theProcMap[2] = (2, 0) (abs_index = 2) >> 51 <mai_api.cpp:380> {0}- theProcMap[3] = (3, 0) (abs_index = 3) >> 52 <mai_api.cpp:385> {0}- Finished creating Processor Mapper. >> 53 <FetchAddressGenerateImpl.cpp:93> {0}- Thread[0.0] connected to cpu0 >> Initial >> PC: v:0ff293010 >> 54 <FetchAddressGenerateImpl.cpp:93> {0}- Thread[0.1] connected to cpu1 >> Initial >> PC: v:0ff2f7e8c >> 55 <FetchAddressGenerateImpl.cpp:93> {0}- Thread[0.2] connected to cpu2 >> Initial >> PC: v:0ff0bebf8 >> 56 <FetchAddressGenerateImpl.cpp:93> {0}- Thread[0.3] connected to cpu3 >> Initial >> PC: v:000011408 >> 57 <ComponentManager.cpp:99> {0}- Initalizing 01-fag >> >> >> >> (gdb) backtrace >> #0 0x00007f727b6884c3 in SIM_get_program_counter () >> from /home/mahmood/simics-3.0.29/amd64-linux/bin/libsimics-common.so >> #1 0x00007f7270b2da16 in >> nFetchAddressGenerate::FetchAddressGenerateComponent::initialize() () >> from >> /home/mahmood/flexus-4.0/results/blackscholes-timing_v9-CMP.L2SharedNUCA.OoO-19Apr11-120014/blackscholes/blackscholes_000_001/libflexus_CMP.L2SharedNUCA.OoO_v9_iface_gcc.so >> >> #2 0x00007f7270d846a2 in >> Flexus::Core::aux_::ComponentManagerImpl::initComponents ( >> this=<value optimized out>) at components/ComponentManager.cpp:100 >> #3 0x00007f7270e886c9 in Flexus::Core::FlexusImpl::initializeComponents >> (this=0x31d2dc0) >> at flexus.cpp:246 >> #4 0x00007f7270e901c2 in Flexus::Core::FlexusImpl::doLoad (this=0x31d2dc0, >> aDirName=...) >> at flexus.cpp:538 >> >> The config is: >> >> flexus.set "-fag:threads" "4" >> flexus.set "-L1d:cores" "4" >> >> flexus.set "-L2:cores" "4" >> flexus.set "-net-mapper:Cores" "4" >> >> 00-fag is ok but when it comes to the next fag, it receives SIGSEGV. This >> fault >> occur before entering interactive mode. Any idea about that? >> >> >> // Naderan *Mahmood; >> > >
