3 ms·

It says L1 here "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

by jahnu 5y ago

It says L1 here "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) https://en.m.wikipedia.org/wiki/IBM_z15_(microprocessor)

baybal2 5y ago
I got L1 being SRAM from here https://fuse.wikichip.org/news/3383/ibm-doubles-its-14nm-edram-density-adds-hundreds-of-megabytes-of-cache/ https://fuse.wikichip.org/news/3383/ibm-doubles-its-14nm-edr...
- jahnu 5y ago
  IBM's technical guide also says it's eDRAM https://www.redbooks.ibm.com/redbooks/pdfs/sg248851.pdf https://www.redbooks.ibm.com/redbooks/pdfs/sg248851.pdf
  - rbanffy 5y ago
    It's almost sad to see the x86s compared to the IBM mainframes...