Revision as of 12:40, 8 September 2020

Opteron A1150 is a 64-bit octa-core ARMv8 server microprocessor introduced by AMD in early 2016. This SoC is based on the Cortex-A57 microarchitecture and was fabricated on a GlobalFoundries 28 nm process. The A1150 has a TDP of 32 W with a core frequency of 1.7 GHz. It supports up to 128 GiB of dual channel DDR4-1866 memory.

Cache

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Cache Organization Cache is a hardware component containing a relatively small and extremely fast memory designed to speed up the performance of a CPU by preparing ahead of time the data it needs to read from a relatively slower medium such as main memory. The organization and amount of cache can have a large impact on the performance, power consumption, die size, and consequently cost of the IC. Cache is specified by its size, number of sets, associativity, block size, sub-block size, and fetch and write-back policies. Note: All units are in kibibytes and mebibytes.

L1$ 640 KiB 655,360 B 0.625 MiB L1I$ 384 KiB 393,216 B 0.375 MiB 8 × 48 KiB 3-way set associative   L1D$ 256 KiB 262,144 B 0.25 MiB 8 × 32 KiB 2-way set associative   L2$ 4 MiB 4,096 KiB 4,194,304 B 0.00391 GiB     4 × 1 MiB 16-way set associative   L3$ 8 MiB 8,192 KiB 8,388,608 B 0.00781 GiB       16-way set associative

Memory controller

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	Integrated Memory Controller
	Max Type DDR3-1600, DDR4-1866 Supports ECC Yes Max Mem 128 GiB Controllers 2 Channels 2 Max Bandwidth 29.9 GB/s 27.847 GiB/s 28,514.862 MiB/s 29,900 MB/s 0.0272 TiB/s 0.0299 TB/s Bandwidth Single 14.9 GB/s Double 29.9 GB/s

Expansions

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	Expansion Options
PCIe Revision: 3.0 Max Lanes: 8 Configuration: x8, x4, x2

References

• "Product Brief: AMD Opteron™ A1100 SOC Series", PID 158465-B, 2016
• "Hot Chips 26: The AMD Opteron™ A1100 Processor Codenamed "Seattle"", August 11, 2014
• "Introducing the AMD Opteron™ A1100 for the Datacenter", January 2016