Jump to content

Scorpion (processor)

From Wikipedia, the free encyclopedia
Scorpion
General information
Launched2008
Designed byQualcomm
Common manufacturer
Performance
Max. CPU clock rate800 MHz to 1.7 GHz
Cache
L1 cache32 KiB/32 KiB
L2 cache256 KiB or 512 KiB
Architecture and classification
Instruction setARM, Thumb-2
Physical specifications
Cores
  • 1 or 2
History
SuccessorKrait

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

[edit]
  • 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

[edit]

References

[edit]
  1. ^ https://rtcgroup.com/arm/2007/presentations/253%20-%20ARM_DevCon_2007_Snapdragon_FINAL_20071004.pdf [bare URL PDF]
  2. ^ Brian Klug; Anand Lal Shimpi (February 21, 2012). "Qualcomm Snapdragon S4 (Krait) Performance Preview - 1.5 GHz MSM8960 MDP and Adreno 225 Benchmarks". Anandtech. Retrieved 2013-07-28.