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Low throughput - how to diagnose?

Hi,

I've just recently started programming opencl on my IvyBridge GT2 (16 EU) powered Laptop, however results don't look that promising for my use-case. To narrow things down, I started with a very basic kernel which traverses a buffer holding 2d image data:

__kernel void image_scaling(__global const char* in, __global char* out, int inputStride)

{

unsigned int idx = get_global_id(1) * inputStride + get_global_id(0);

char input_value = in[idx];

out[idx] = input_value + 50;

}

 

Broadwell 64-bit ulong performance regression on min/max/compare

Intel IGP CL team,

I'm seeing a huge performance regression between Haswell and Broadwell when comparing 64-bit ulong's or performing min/max operations.

Please check the number of instructions that Broadwell is generating for the two ulong (64-bit) "compare-exchange" sequences below.

The 64-bit compare-exchange sequences are running half as fast on Broadwell when compared to Haswell. 

The 32-bit compare-exchanges appear to be correct (they're very fast).

Intel AMT WebUI Authentication issues with Internet Explorer

If you have extended Active Directory (AD) for use with your AMT clients and Kerberos authentication, you may have issues connecting to the AMT WebUI for those machines when using Internet Explorer (IE). This is related to authentication settings.

If you experience this problem, you can first try another browser (e.g. Firefox) to see if you can connect to the WebUI. If successful, then you can try the following configurations in your IE settings.

Советы и рекомендации по использованию Unity с Intel RealSense SDK 2014

Отправлено: Коллин Калбертсон (Intel) 6 декабря 2014 г.

В этой статье предоставляется информация, рекомендации и ссылки для разработчиков, использующих Unity с RealSense SDK 2014. Оставляйте в комментариях дополнения и поправки, и я добавлю их в дальнейшие версии этой статьи. Заходите сюда почаще, чтобы следить за обновлениями.

Важное замечание о версиях Unity:

SpaceApps NYC 2015 : A Truly Stellar Event!

The International Space Apps Challenge is a technology development and problem solving event during which citizens from around the world collaborate to tackle challenges relevant to improving life on Earth and the exploration of space. Intel has participated in these events and has provided technical mentorship, as well as software/hardware sponsorship.

Establish XDB connection on non-shared JTag design

The 60 Pin Debug Port (XDP) Specification Document (DPS) specifies the open chassis Platform requirements to implement a 60 Pin XDP connector to use PHG XDP debug tools and third party vendors that support the 60 Pin XDP interface.

Since Skylake platform, internal boards that will be used as a reference to external customers are required to implement 1 X Merged 60 Pin XDP Connector.

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