(PhysOrg.com) -- Scientists at the University of Glasgow have created an ultra-fast 1,000-core computer processor.
The core is the part of a computers central processing unit (CPU) which reads and executes instructions. Originally, computers were developed with only one core processor but, today, processors with two, four or even sixteen cores are commonplace.
However, Dr Wim Vanderbauwhede and colleagues at the University of Massachusetts Lowell have created a processor which effectively contains more than a thousand cores on a single chip.
To do this, the scientists used a chip called a Field Programmable Gate Array (FPGA) which like all microchips contains millions of transistors the tiny on-off switches which are the foundation of any electronic circuit.
FPGAs can be configured into specific circuits by the user, rather than their function being set at a factory, which enabled Dr Vanderbauwhede to divide up the transistors within the chip into small groups and ask each to perform a different task.
By creating more than 1,000 mini-circuits within the FPGA chip, the researchers effectively turned the chip into a 1,000-core processor each core working on its own instructions.
The researchers then used the chip to process an algorithm which is central to the MPEG movie format used in YouTube videos at a speed of five gigabytes per second: around 20 times faster than current top-end desktop computers.
Dr Vanderbauwhede said: FPGAs are not used within standard computers because they are fairly difficult to program, but their processing power is huge while their energy consumption is very small because they are so much quicker so they are also a greener option.
While most computers sold today now contain more than one processing core, which allows them to carry out different processes simultaneously, traditional multi-core processors must share access to one memory source, which slows the system down.
The scientists in this research were able to make the processor faster by giving each core a certain amount of dedicated memory.
Dr Vanderbauwhede, who hopes to present his research at the International Symposium on Applied Reconfigurable Computing in March 2011, added: This is very early proof-of-concept work where were trying to demonstrate a convenient way to program FPGAs so that their potential to provide very fast processing power could be used much more widely in future computing and electronics.
While many existing technologies currently make use of FPGAs, including plasma and LCD televisions and computer network routers, their use in standard desk-top computers is limited.
However, we are already seeing some microchips which combine traditional CPUs with FPGA chips being announced by developers, including Intel and ARM.
I believe these kinds of processors will only become more common and help to speed up computers even further over the next few years.
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