[gem5-users] Re: CHI - Cluster CPUs having a shared L2 cache

2021-08-10 Thread Gabriel Busnot via gem5-users
Hi Javed, I don't have a reliable answer for you. It is possible that the current CHI cache implementation cannot be shared, although it would surprise me. I would suggest you to ping Tiago Mück who wrote this stuff to ask him about that. On your side, you can dig in the ProtocolTrace flag outp

[gem5-users] Re: CHI - Cluster CPUs having a shared L2 cache

2021-08-10 Thread Javed Osmany via gem5-users
Hello Gabriel Many thanks for your thoughts. Just checking, is Tiago's email tiago.m...@arm.com? Best regards J.Osmany -Original Message- From: Gabriel Busnot via gem5-users [mailto:gem5-users@gem5.org] Sent: 10 August 2021 09:59 To: gem5-users@gem5.org Cc: Gabriel Busnot Subject: [g

[gem5-users] Synchronization mechanisms not working in SE mode?

2021-08-10 Thread Jared Nye via gem5-users
Hi all, I am having trouble with gem5 SE mode running a simple memory copy microbenchmark (https://github.com/BTone/cagbench) that uses a configurable number of worker threads that all wait to start and finish at a barrier. I have found that using a pthread_barrier is not working, as once all wor

[gem5-users] gem5 syscall emulation X86 reinforcement learning (maddpg algorithm) fails with "fatal: Syscall 318 out of range Memory Usage: 207920 KBytes"

2021-08-10 Thread gogineni kailashnath via gem5-users
I am having the following error in gem5. I've tested it on X86 only and it causes fatal error. Command: sudo ./build/X86/gem5.opt configs/example/se.py --cmd /usr/bin/python3.5 --options "train.py --scenario simple" --caches --l2cache --cpu-type=TimingSimpleCPU --mem-type=DDR3_1600_8x8 --mem-size

[gem5-users] static_inst.cc panic or assertion error when debugging execution of an x86 O3CPU

2021-08-10 Thread Deric Cheung via gem5-users
Host OS: Ubuntu 12.04 LTS Host CPU: Intel i7-2600 3.40 GHz I'm trying to debug an x86 application on an O3CPU using syscall emulation, but static_inst.cc panics or runs into an assertion error. Ideas for how I can debug or solve this issue? Example command 1 (causing panic): build/X86/gem5.opt --

[gem5-users] static_inst.cc panic or assertion error when debugging execution of an x86 O3CPU

2021-08-10 Thread Deric Cheung via gem5-users
Correction: The host Operating System is Ubuntu 20.04.2 LTS The host CPU is Intel(R) Core(TM) i5-8500 CPU @ 3.00GHz I built gem5 using `scons build/X86/gem5.opt`, from the latest stable branch (v21.1.0.0) ___ gem5-users mailing list -- gem5-users@gem5.or

[gem5-users] Re: static_inst.cc panic or assertion error when debugging execution of an x86 O3CPU

2021-08-10 Thread Gabe Black via gem5-users
Please give this a try: https://gem5-review.googlesource.com/c/public/gem5/+/49183 On Tue, Aug 10, 2021 at 9:37 PM Deric Cheung via gem5-users < gem5-users@gem5.org> wrote: > Host OS: Ubuntu 12.04 LTS > Host CPU: Intel i7-2600 3.40 GHz > > I'm trying to debug an x86 application on an O3CPU using