While some might have never heard of it, MIPS stands for “Microprocessor without Interlocked Pipeline Stages” and is a RISC type of processor architecture, just like AMD’s or Intel’s x86 CPUs are. It is not something radically different and hard to develop and to develop for, like Intel’s Itanium using the company’s failed EPIC architecture.
Having used TSMC to build modularized APU
s with separate designs of general purpose processing unit and a graphics processing unit on the same die, AMD said, through the voice of its CEO, Rory Read, that it is thinking about using 3rd party IP next to its own IP into the company’s APUs.
However, due to AMD’s hard financial battles from the last four years, it has also lost a lot of design talent and the Texas-based CPU designer may be looking to get some of its old friends back, and even some new, with the acquisition of California-based MIPS Technologies.
MIPS is a very popular technology in the processor business. While lately they’ve been a little more discrete, during the 80s and 90s, almost 33% of the RISC processors produced in the entire world (those include AMD and Intel CPUs) were MIPS based.
In 1992, server maker SGI acquires MIPS to secure the supply of MIPS processors for its company’s servers and workstations. Later, in 1998, SGI decided to migrate towards Intel’s Itanium architecture. This was the move that put MIPS out of SGI’s focus and deprived the company’s projects of vital R&D funds.
Subsequently, the Itanium switch also led to SGI’s downfall until they’ve filed for bankruptcy in 2009.
MIPS was completely spun off by SGI in 2000 and became an IP and design company licensing to others the different MIPS instruction sets.
For those who don’t know, many of you have been using MIPS processors without even being aware of it, as many of their designs are used by Broadcom in router chipsets;SONY’s PlayStation Portable has a MIPS processor powering it and the famous PlayStation 2 was built around a MIPS CPU also etc.
MIPS designs are characterized by being very customizable and server suitable. They were used by SGI, one of world’s greatest server makes, for more than a decade and, while ARM’s 64 Bit implementation is still some time away from servers, MIPS 64 Bit server CPU have been around since 1991.
While being very power efficient, MIPS are currently working to build the world’s first $99 Android table, while they already have an Android 4.0 Ice Cream Sandwich available. ARM is the current king of the tablet world but they don’t have a 64 Bit design ready yet.
In short, MIPS already has what ARM has, but also has more than two decades of server experience that ARM is completely lacking.
Back in 2008, MIPS was losing money and the new CEO started streamlining the company and steering it towards a buyout that will ensure the much needed funds for R&D. The company’s numbers dropped from 500 to around 150 during the last 4 years and now MIPS has hired Goldman Sachs to purse the potential buyout.
AMD is already a MIPS 64 Bit licensee
, but the Texas CPU manufacturer might also want the engineers that designed the IP.
Some of these guys are not strangers to AMD, as two members of MIPS’ Board of Directors are now Mr. Ravi Krisha and Fred Weber.
Back in the days of K7 and K8, Ravi Krisha was with AMD, building the Iron Gate chipset and Fred Weber worked on K8, the first x86 64 Bit processor.
Sure, AMD might not have the funds to buy MIPS or it might be outbid by the likes of Google, Nvidia or Qualcomm, but right now, the second largest x86 CPU designer in the world would be a perfect buyer for MIPS.