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AMD$500480$ - traduction vers néerlandais

POWER SAVING TECHNOLOGY

Power Now!; Powernow; Amd powernow; Amd Powernow; Amd PowerNow; AMD Powernow; AMD powernow; AMD Powernow!; AMD powernow!; Amd powernow!; Amd Powernow!; Amd PowerNow!; AMD PowerNow!

AMD

bedrijf dat zich voornamelijk bezighoudt met de produktie van verwerkende systemen voor persoonlijke computers

Advanced Micro Devices

AMERICAN MULTINATIONAL SEMICONDUCTOR COMPANY

Amd; Advanced Micro Devices Incorporated; Advanced Micro Devices, Inc.; AMD Technologies; AMD Graphics Product Group; Advanced Micro Devices, Inc; ADVANCED MICRO DEVICES; AMD Graphics; Advanced Micro Devices Inc.; ATI (brand); Advanced Micro Devices Inc; Advanced Micro; Advanced Micro Computers; AMD Inc.; AMD, Inc.; Advanced Micro Devices

bedrijf dat zich voornamelijk bezig houdt met de produktie van verwerkende systemen (processors) voor persoonlijke computers

Définition

AMD 29000

<processor> A RISC microprocessor descended from the Berkley RISC design. Like the SPARC design that was introduced shortly afterward, the 29000 has a large {register set} split into local and global sets. But though it was introduced before the SPARC, it has a more elegant method of register management. The 29000 has 64 global registers, in comparison to the SPARC's eight. In addition, the 29000 allows variable sized windows allocated from the 128 register stack cache. The current window or stack frame is indicated by a stack pointer, a pointer to the caller's frame is stored in the current frame, like in an ordinary stack (directly supporting stack languages like C, a CISC-like philosophy). Spills and fills occur only at the ends of the cache, and registers are saved/loaded from the memory stack. This allows variable window sizes, from 1 to 128 registers. This flexibility, plus the large set of global registers, makes register allocation easier than in SPARC. There is no special condition code register - any general register is used instead, allowing several condition codes to be retained, though this sometimes makes code more complex. An instruction prefetch buffer (using burst mode) ensures a steady instruction stream. To reduce delays caused by a branch to another stream, the first four new instructions are cached and next time a cached branch (up to sixteen) is taken, the cache supplies instructions during the initial memory access delay. Registers aren't saved during interrupts, allowing the interrupt routine to determine whether the overhead is worthwhile. In addition, a form of register access control is provided. All registers can be protected, in blocks of 4, from access. These features make the 29000 useful for embedded applications, which is where most of these processors are used, allowing it the claim to be "the most popular RISC processor". The 29000 also includes an MMU and support for the AMD 29027 FPU. (1995-06-19)

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Wikipédia

PowerNow!

AMD PowerNow! is AMD's dynamic frequency scaling and power saving technology for laptop processors. The CPU's clock speed and VCore are automatically decreased when the computer is under low load or idle, to save battery power, reduce heat and noise. The lifetime of the CPU is also extended because of reduced electromigration, which varies exponentially with temperature.

The technology is a concept similar to Intel's SpeedStep technology. The adaptation of PowerNow! for AMD's desktop CPUs is called Cool'n'Quiet. Newer Opterons also use an adaptation of PowerNow! called Optimized Power Management.

AMD has supplied and supported drivers for its PowerNow! technology that work on Windows 98, ME, NT, and 2000.

https://en.wikipedia.org/wiki/PowerNow!