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High Performance Computing A Memory hierarchy

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High Performance Computing A

Memory hierarchy

x86 instructions

Page 3: High Performance Computing Ahh/kennsla/hpc/HPC-05.pdf · Hyper-threading No Hyper-threading. Hyper-threading No Hyper-threading. Hyper-threading example. Sandy Bridge Branch 144 ntry

AMD Bulldozer

Page 4: High Performance Computing Ahh/kennsla/hpc/HPC-05.pdf · Hyper-threading No Hyper-threading. Hyper-threading No Hyper-threading. Hyper-threading example. Sandy Bridge Branch 144 ntry

Intel Sandy Bridge/Ivy Bridge

Page 5: High Performance Computing Ahh/kennsla/hpc/HPC-05.pdf · Hyper-threading No Hyper-threading. Hyper-threading No Hyper-threading. Hyper-threading example. Sandy Bridge Branch 144 ntry

Latency and bandwidth

from Hager and Wellein

Page 6: High Performance Computing Ahh/kennsla/hpc/HPC-05.pdf · Hyper-threading No Hyper-threading. Hyper-threading No Hyper-threading. Hyper-threading example. Sandy Bridge Branch 144 ntry

Sandy Bridge date/instr. caches

Page 7: High Performance Computing Ahh/kennsla/hpc/HPC-05.pdf · Hyper-threading No Hyper-threading. Hyper-threading No Hyper-threading. Hyper-threading example. Sandy Bridge Branch 144 ntry

Sandy Bridge instruction caches

Page 8: High Performance Computing Ahh/kennsla/hpc/HPC-05.pdf · Hyper-threading No Hyper-threading. Hyper-threading No Hyper-threading. Hyper-threading example. Sandy Bridge Branch 144 ntry

AMD Bulldozer 8 core CPU

Hyper-threading

No Hyper-threading

Hyper-threading

No Hyper-threading

Hyper-threading example

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