[gem5-users] Re: How to enable KVM unitest on ARM server

2021-10-28 Thread Gabe Black via gem5-users
Hi, I just grepped through all of gem5's source, and, even ignoring capitalization, the string "KVM for" does not appear outside of a couple comments. I have no idea where that string is coming from, but it doesn't seem to be from gem5 itself. Gabe On Thu, Oct 28, 2021 at 8:04 PM Liyichao via

[gem5-users] How to enable KVM unitest on ARM server

2021-10-28 Thread Liyichao via gem5-users
Hi All: My GEM5 V21.1.0.2 running on aarch64 server, but when I compile bitunion.test.opt, the compilation print will show "Info: KVM for null not supported on arm host." scons build/NULL/base/bitunion.test.opt -j120 scons: Reading SConscript files ... Checking for linker -Wl,--as-needed

[gem5-users] Re: Working X86 multi-core full system config with caches?

2021-10-28 Thread Bobby Bruce via gem5-users
Hey Antoine, First of all, multi-core TimingSimple with classic caches will not work, you have to use Ruby or run a single-core simulation. I think we have something in development which can help you out. You can run a full-system X86 Ubuntu simulation with the Ruby MESI Two Level protocol with

[gem5-users] Working X86 multi-core full system config with caches?

2021-10-28 Thread Antoine Kaufmann via gem5-users
Hi Everyone, Do we have any known-working configurations for x86 multi-core full system simulations with caches? We have successfully been using single core configs for more than a year now, but our attempts at anything multi-core have so far not been successful, with problems ranging from gem5

[gem5-users] Re: Vector Instructions Support

2021-10-28 Thread Jason Lowe-Power via gem5-users
Hello, For Arm, gem5 has SVE support and (some/most/all?) of the NEON instructions. For x86, we support most 128-bit SIMD instructions, but very few or no 256-bit or 512-bit SIMD instructions. I have heard of forks/groups that have implemented many of the x86 vector instructions, and I have heard

[gem5-users] Vector Instructions Support

2021-10-28 Thread nitesh--- via gem5-users
Hi I am working on understanding VPUs and vector instructions, and am a bit new to the gem5 environment. I aI wanted to know if there is any official update on the vector instruction support for gem5 x86 and ARM? I see there are some forked versions available in the community but I am