[gem5-users] Re: Gem5 - ganret3.0 - Mesh_XY - Virtual Networks - Virtual Channels buffers

Hi Karim, To put it simply, virtual networks are logically independent transport networks: messages traveling on a given vnet shall not be blocked by messages on a different vnet. Garnet is a transport model. As such, it does not decide on the required number of vnets. The Ruby protocol used i

[gem5-users] Re: Gem5 - ganret3.0 - Mesh_XY - Virtual Networks - Virtual Channels buffers

Hi Karim, Can you give us more details on your configuration? What is the type of build, config, and command line you are running which leads to this? Any changes that you may have done to the codebase will also be helpful. Srikant On Mon, Mar 27, 2023 at 8:26 PM Karim Soliman via gem5-users < ge

[gem5-users] Gem5 - ganret3.0 - Mesh_XY - Virtual Networks - Virtual Channels buffers

Hey everyone, For learning purposes, I'm trying to understand what's the virtual networks inside gem5/garnet3.0 - I'm working with Mesh_XY topology configurations. I found that inside garnet3.0 there are 5 virtual networks and in the file *mem/ruby/network/Network.cc* I managed to print the count o

[gem5-users] PCIe reg define in pcireg.h

Hi, I have a short question about the PCIe definition in "pcireg.h". " /** @struct PXCAP * Defines the PCI Express capability register and its associated bitfields * for a PCIe device. */ " because in this file, lots of PCIe regs are defined. But currently, gem5 does not support gem5 yet. (co

[gem5-users] Re: CXL (Compute Express Link) in gem5?

Hi Eliot, I can’t provide you with an assertive answer but I’ve also been looking at CXL recently so here is what I understand so far. >From a functional perspective, the classic cache system seems able to support >the hierarchical coherency aspects just fine with the coherent Xbar of each >ch