Sun Microsystems SME5224AUPA-400 CPU Description, UltraSPARC-II CPU, CPU Features CPU Benefits

UltraSPARC™-II CPU Module

SME5224AUPA-400400 MHz CPU, 4.0 MB E-Cache

CPU DESCRIPTION

UltraSPARC-II CPU

The UltraSPARC™-II CPU is the second generation in the UltraSPARC™ s-series microprocessor family.

A complete implementation of the SPARC™ V9 architecture, it has binary compatibility with all previous ver- sions of the SPARC™ microprocessor family.

The UltraSPARC™-II CPU is designed as a cost effective, scalable and reliable solution for high-end worksta- tions and servers. Meeting the demands of mission critical enterprise computing, theUltraSPARC™-II CPU runs enterprise applications requiring high data throughput. It is characterized by a high integer and floating point performance: optimally accelerating application performance, especially multimedia applications.

Delivering high memory bandwidth, media processing and raw compute performance, the UltraSPARC™-II CPU incorporates innovative technologies which lower the cost of ownership.

CPU Features	CPU Benefits
Architecture	• 64-bit SPARC-V9 architecture increases the
	network computing application’s performance
•Thirty-two 64-bit integer registers	• Allows applications to store data locally in the
	register files
•Superscalar/Superpipelined	• Allows for multiple integer and floating point
	execution units leading to higher application
	performance

•High performance memory interconnect

•Built-in Multiprocessing Capability

•VIS multimedia accelerating instructions

•100% binary compatibility with previous versions of SPARC™

•Uses 0.25 micron technology and packaging

•Alleviating the bottleneck of bandwidth to main memory

•Delivering scalability at the system level, thus increasing the end user’s return on investment

•Reducing the system cost by eliminating the special purpose media processor

•Increasing the return on investment of software applications

•Enhanced processor performance with decreased power consumption, thus increasing the reliability of the microprocessor

Performance

•Integer	•	17.4(SPECint95)
•Floating Point	•	25.7 (SPECfp95)
•Bandwidth (BW) to main memory	• 1.6 Gbyte/sec (peak) with a 100MHz UPA
Unique Features
•Block load and store instructions	• Delivering high performance access to large
		datasets across the network
•JTAG Boundary Scan and Performance	• Enabling UltraSPARC™ based systems to offer
Instrumentation		features such as: power management, automatic
		error correction, and lower maintenance cost

2 Sun Microsystems, Inc July 1999