Intel CW8064701487007 Datasheet download pdf (Page 46)

Technologies

46 Datasheet, Volume 1

3.4.2 Intel

Turbo Boost Technology Graphics Frequency

The graphics render frequency is selected dynamically based on graphics workload

demand as permitted by the processor turbo control. The processors can optimize both

processor and integrated graphics performance through power sharing. The processor

cores and the integrated graphics core share a package power limit. If the graphics

core is not consuming enough power to reach the package power limit, the cores can

increase frequency to take advantage of the unused thermal power headroom. The

opposite can happen when the processor cores are not consuming enough power to

reach the package power limit. For the integrated graphics, this could mean an increase

in the render core frequency (above its rated frequency) and increased graphics

performance. Both the processor core(s) and the graphics render core can increase

frequency higher than possible without power sharing.

Note: The processor Utilization of turbo graphic frequencies requires that the Intel Graphics

driver to be properly installed. Turbo graphic frequencies are not dependent on the

operating system processor P-state requests and may turbo while the processor is in

any processor P-states.

3.5 Intel

Advanced Vector Extensions (Intel

AVX)

Intel Advanced Vector Extensions (Intel AVX) is the latest expansion of the Intel

instruction set. It extends the Intel Streaming SIMD Extensions (Intel SSE) from 128-

bit vectors to 256-bit vectors. Intel AVX addresses the continued need for vector

floating-point performance in mainstream scientific and engineering numerical

applications, visual processing, recognition, data-mining / synthesis, gaming, physics,

cryptography and other application areas.

The enhancement in Intel AVX allows for improved performance due to wider vectors,

new extensible syntax, and rich functionality including the ability to better manage,

rearrange, and sort data. In the processor, new instructions were added to allow

graphics, media and imaging applications to speed up the processing of large amount

of data by reducing the memory bandwidth and footprint. The new instructions convert

operands between single-precision floating point values and half-precision (16 bit)

floating point values.

For more information on Intel AVX, see http://www.intel.com/software/avx.

3.6 Security and Cryptography Technologies

3.6.1 Intel

Advanced Encryption Standard New Instructions

(Intel

AES-NI)

The processor supports Intel Advanced Encryption Standard New Instructions (Intel

AES-NI) that are a set of Single Instruction Multiple Data (SIMD) instructions that

enable fast and secure data encryption and decryption based on the Advanced

Encryption Standard (AES). Intel AES-NI are valuable for a wide range of cryptographic

applications, for example: applications that perform bulk encryption / decryption,

authentication, random number generation, and authenticated encryption. AES is

broadly accepted as the standard for both government and industry applications, and is

widely deployed in various protocols.

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