Re:AMD Demonstrates Stacked 3D V-Cache Technology: 192 MB at...
by baybal2 on Tuesday June 01, 2021 @06:55AM
(#27352753)
I got L1 being SRAM from here https://fuse.wikichip.org/news/3383/ibm-doubles-its-14nm-edr...
"Both it and all levels of cache in the main processor from level 1 use eDRAM, instead of the traditionally used SRAM."
https://en.m.wikipedia.org/wiki/IBM_z15_(microprocessor)