If you're gaining advantage by changing RAM from sockets to soldered joints, it's probably time to change the system design altogether. It's better to put the DRAM on the same IC/SoC as the processor - on a dedicated die if necessary. Any additional memory requirement can be added as socket based RAM modules. They sure will be slower. But they can be treated as another memory layer, kind of like the optane memory (without persistence) or NUMA. You'd still get significant speed up because a portion of the DRAM is colocated with the CPU now.
This also adds to the core philosophy that I'm trying to push. Modularity and serviceability doesn't necessarily mean sacrificing performance, compactness or security. That's a myth that's too prevalent in the industry.
There is a new system design, it's called LPCAMM. And framework would have used it in the desktop but those CPUs have some flaw that make them not compatible with full speed LPCAMM.
Moving the memory even closer doesn't have all that much advantage. And having super close RAM and sockets is a waste of die space on all those I/O channels. One or other can fit all the needs of any particular CPU.
Framework has stated that it asked AMD if there were any way to make the RAM on Ryzen AI Max APUs (like used in the Framework Desktop) socketed, and AMD said no due to the stability hit that’d entail — the physical distance from the CPU that’d be required with RAM sockets reduces signal integrity too much for it to function.
Which is weird. The entire point of [LP]CAMM[2] is to be able to make that work.
The Framework desktop clocks the memory at 8000MHz. That's well within the limits of the interface. Something is flawed or omitted in those CPUs if they can't handle it.
> Why was the terminology tolerated for years before being deemed unacceptable?
Politics and/or incompetence. Nothing to do with conspiracy theories. Government agencies are very transparent (implicitly historically; these days were explicitly and you can also now add outright corruption to that) in general (not just regarding Tesla specifically)
Is it? The whole thing about replacing MS with OpenOffice and the LibreOffice or etc. has been going on for decades in Europe. Usually it’s just talk or a few municipalities that try it and then silently revert back to MS soon after.
reply