Hello, a quick question, which migh help. Do you compile gem5 on 32bit or 64bit OS? There were some issues with 32bit version.
Have you tried running multiple threads with a matching number of CPUs? Best regards, Jasmin čet, 11. jul 2019. 22:14 pošiljalac Krishna Subramanian < [email protected]> je napisao: > Hi > > I am trying to run an application in gem5 x86 SE mode. I compiled the > binary using the -static flags as required. Now I compiled this with static > boost libraries and when I run it normally , the executable runs about 9 > threads. Now when I run this on gem5 , i get an error message that I don't > quite know how to interpret. > > gem5 compiled Jul 2 2019 16:21:49 > gem5 started Jul 10 2019 12:58:40 > command line: build/X86/gem5.opt configs/example/krish/simple.py > > Global frequency set at 1000000000000 ticks per second > warn: DRAM device capacity (8192 Mbytes) does not match the address range > assigned (512 Mbytes) > 0: system.remote_gdb: listening for remote gdb on port 7000 > Beginning simulation! > info: Entering event queue @ 0. Starting simulation... > warn: ignoring syscall set_robust_list(...) > warn: ignoring syscall rt_sigaction(...) > (further warnings will be suppressed) > warn: ignoring syscall rt_sigprocmask(...) > (further warnings will be suppressed) > warn: readlink() called on '/proc/self/exe' may yield unexpected results > in various settings. > Returning '/scratch2/gem5/tests/test-progs/lsd_slam/x86' > info: Increasing stack size by one page. > warn: ignoring syscall access(...) > info: Increasing stack size by one page. > warn: Attempting to open special file: /proc/filesystems. Ignoring. > Simulation may take un-expected code path or be non-deterministic until > proper handling is implemented. > warn: ignoring syscall access(...) > > */* Output from my program */* > > > > > > > > > *Reading Calibration from file > /scratch/Install/lsd_slam_noros/data/sequence_31/camera.txt ... found!found > FOV camera model, building rectifier.Input resolution: 1280 1024In: > 0.535719 0.669567 0.493249 0.500409 0.897966Out: CropOutput resolution: 640 > 480new K: 277.523987 291.680328 312.474304 240.035583old K: 685.720764 > 685.636475 630.858154 511.918457Prepped Warp matrices* > warn: ignoring syscall mprotect(...) > > > *terminate called after throwing an instance of > 'boost::exception_detail::clone_impl<boost::exception_detail::error_info_injector<boost::thread_resource_error> > >' what(): boost::thread_resource_error: Resource temporarily > >unavailable*Exiting > @ tick 18446744073709551615 because simulate() limit reached > > The boost library is throwing this error. After browsing on the web , I > realize that boost is not able to allocate resources for the threads. So my > questions are : > > 1) Can we run multiple threads on a single CPU in gem5 SE mode ? > 2) Could this be a size related issue ? I set my DRAM capacity to 512 MB > and maybe isn't enough for thread stacks ? > 3) I recall reading in the gem5 page that SE mode does'nt have a thread > scheduler. Only FS mode supports it . Could this be the source of the > problem ? If yes , is my only option a FS simulation ? > 3) Also when creating the binary with gcc and -static option , can we use > the static libc library that comes with linux ? I remember getting a > warning that : > > > *cl_runtime.cpp:(.text._ZL15opencl_check_fni+0xab): warning: Using > 'dlopen' in statically linked applications requires at runtime the shared > libraries from the glibc version used for > linking/usr/lib//x86_64-linux-gnu/libgio-2.0.a(libgio_2_0_la-glocalfileinfo.o): > In function `lookup_gid_name':(.text+0x11d7): warning: Using 'getgrgid_r' > in statically linked applications requires at runtime the shared libraries > from the glibc version used for linking* > does the loader in gem5 automatically link with libc ? Could this be > causing any issues ? > > Thank you for your time > Krish > _______________________________________________ > gem5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
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