High Performance Computing A

Memory hierarchy

x86 instructions

AMD Bulldozer

Intel Sandy Bridge/Ivy Bridge

Latency and bandwidth

from Hager and Wellein

Sandy Bridge date/instr. caches

Sandy Bridge instruction caches

AMD Bulldozer 8 core CPU

Hyper-threading

No Hyper-threading

Hyper-threading

No Hyper-threading

Hyper-threading example