Scorpion (processor) explained
Scorpion |
Produced-Start: | 2008 |
Slowest: | 800 |
Fastest: | 1.7 |
Slow-Unit: | MHz |
Fast-Unit: | GHz |
Designfirm: | Qualcomm |
Manuf1: | Qualcomm |
Arch: | ARM, Thumb-2 |
Numcores: | 1 or 2 |
L1cache: | 32 KiB/32 KiB |
L2cache: | 256 KiB or 512 KiB |
Successor: | Krait |
Scorpion is a central processing unit (CPU) core designed by Qualcomm for use in their Snapdragon mobile systems on chips (SoCs). It was released in 2008. It was designed in-house, but has many architectural similarities with the ARM Cortex-A8 and Cortex-A9 CPU cores.
Overview
- 10/12 stage integer pipeline with 2-way decode, 3-way out-of-order speculatively issued superscalar execution[1]
- Pipelined VFPv3[2] and 128-bit wide NEON (SIMD)
- 3 execution ports
- 32 KB + 32 KB L1 cache
- 256 KB (single-core) or 512 KB (dual-core) L2 cache
- Single or dual-core configuration
- 2.1 DMIPS/MHz
- 65/45/28 nm process
See also
Notes and References
- http://rtcgroup.com/arm/2007/presentations/253%20-%20ARM_DevCon_2007_Snapdragon_FINAL_20071004.pdf
- Web site: Qualcomm Snapdragon S4 (Krait) Performance Preview - 1.5 GHz MSM8960 MDP and Adreno 225 Benchmarks . . February 21, 2012 . Brian Klug . Anand Lal Shimpi . 2013-07-28.