Scorpion (processor)

{{Infobox CPU

| name = Scorpion

| image =

| image_size =

| caption =

| produced-start = 2008

| produced-end =

| slowest = 800

| fastest = 1.7

| slow-unit = MHz

| fast-unit = GHz

| fsb-slowest =

| fsb-fastest =

| fsb-slow-unit =

| fsb-fast-unit =

| size-from =

| size-to =

| soldby =

| designfirm = Qualcomm

| manuf1 = Qualcomm

| core1 =

| pack1 =

| brand1 =

| arch = ARM, Thumb-2

| microarch =

| cpuid =

| code =

| numcores = 1 or 2

| l1cache = 32 KiB/32 KiB

| l2cache = 256 KiB or 512 KiB

| l3cache =

| application =

| 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{{Cite web | url=http://rtcgroup.com/arm/2007/presentations/253%20-%20ARM_DevCon_2007_Snapdragon_FINAL_20071004.pdf | title=Qualcomm High Performance Processor Core and Platform for Mobile Applications | archive-url=https://web.archive.org/web/20170426061946/http://rtcgroup.com/arm/2007/presentations/253%20-%20ARM_DevCon_2007_Snapdragon_FINAL_20071004.pdf | archive-date=2017-04-26 }}
  • Pipelined VFPv3{{cite web | url=http://www.anandtech.com/show/5559/qualcomm-snapdragon-s4-krait-performance-preview-msm8960-adreno-225-benchmarks/2 | title=Qualcomm Snapdragon S4 (Krait) Performance Preview - 1.5 GHz MSM8960 MDP and Adreno 225 Benchmarks | publisher=Anandtech | date=February 21, 2012 | author1=Brian Klug | author2=Anand Lal Shimpi | accessdate=2013-07-28}} 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

References

{{Reflist}}

{{Application ARM-based chips}}

Category:ARM processors

Category:Qualcomm IP cores