Scorpion is a
central processing unit
A central processing unit (CPU), also called a central processor, main processor or just processor, is the electronic circuitry that executes instructions comprising a computer program. The CPU performs basic arithmetic, logic, controlling, a ...
(CPU) core designed by
Qualcomm
Qualcomm () is an American multinational corporation headquartered in San Diego, California, and incorporated in Delaware. It creates semiconductors, software, and services related to wireless technology. It owns patents critical to the 5G, ...
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
A superscalar processor is a CPU that implements a form of parallelism called instruction-level parallelism within a single processor. In contrast to a scalar processor, which can execute at most one single instruction per clock cycle, a sup ...
execution
* Pipelined VFPv3
and 128-bit wide
NEON
Neon is a chemical element with the symbol Ne and atomic number 10. It is a noble gas. Neon is a colorless, odorless, inert monatomic gas under standard conditions, with about two-thirds the density of air. It was discovered (along with krypt ...
(
SIMD
Single instruction, multiple data (SIMD) is a type of parallel processing in Flynn's taxonomy. SIMD can be internal (part of the hardware design) and it can be directly accessible through an instruction set architecture (ISA), but it shoul ...
)
* 3 execution ports
* 32 KB + 32 KB L1
cache
* 256 KB (single-core) or 512 KB (
dual-core
A multi-core processor is a microprocessor on a single integrated circuit with two or more separate processing units, called cores, each of which reads and executes program instructions. The instructions are ordinary CPU instructions (such ...
) L2 cache
* Single or dual-core configuration
* 2.1 DMIPS/MHz
* 65/45/28 nm process
See also
*
Krait (CPU)
Qualcomm Krait is an ARM-based central processing unit included in the Snapdragon S4 and earlier models of Snapdragon 400/600/800 series SoCs. It was introduced in 2012 as a successor to the Scorpion CPU and although it has architectural simila ...
*
List of Qualcomm Snapdragon processors
*
Comparison of ARMv7-A cores
This is a comparison of processors based on the ARM family of instruction sets designed by ARM Holdings and 3rd parties, sorted by version of the ARM instruction set, release and name.
ARMv6
ARMv7-A
This is a table comparing central proc ...
*
Adreno
Adreno is a series of graphics processing unit (GPU) semiconductor intellectual property cores developed by Qualcomm and used in many of their SoCs.
History
Adreno (an anagram of AMD's graphic card brand ''Radeon''), was originally developed by ...
References
{{Application ARM-based chips
ARM processors
Qualcomm IP cores