Kathy Yelick on Post-Exascale Challenges

April 18, 2024

With the exascale era underway, the HPC community is already turning its attention to zettascale computing, the next of the 1,000-fold performance leaps that ha Read more…

Squeezing CPUs: AVX-512 Benchmarks Point to More Performance Without GPUs 

August 3, 2023

The success of GPU coprocessors has invited developers to focus on combined CPU/GPU performance and optimization. Primarily by using CUDA, (and OpenCL, OpenACC, Read more…

HPC Programming in the Age of Multicore: One Man’s View

January 14, 2013

At this June's International Supercomputing Conference (ISC'13) in Leipzig, Germany, Gerhard Wellein will be delivering a keynote entitled, Fooling the Masses with Performance Results: Old Classics & Some New Ideas. HPCwire caught up with Wellein and asked him to preview some of the themes of his upcoming talk and expound on his philosophy of programming for performance in the multicore era. Read more…

Novel Chip Technology to Power GRAPE-8 Supercomputer

May 10, 2012

With the fastest supercomputers on the planet sporting multi-megawatt appetites, green HPC has become all the rage. The IBM Blue Gene/Q machine is currently number one in energy-efficient flops, but a new FPGA-like technology brought to market by semiconductor startup eASIC is providing an even greener computing solution. And one HPC project in Japan, known as GRAPE, is using the chips to power its newest supercomputer. Read more…

Godson CPUs Groomed for Supercomputing Duty

August 26, 2010

Chinese-made chip adds vector SIMD unit; delivers 128 gigaflops in 40 watts. Read more…

Blowing The Doors Off HPC Speed-up Numbers

June 30, 2010

The CPU-GPU performance wars bring out the pitfalls of benchmarking. Read more…

Accelerated Methods for Bioinformatics Analysis

January 20, 2010

A bioinformatics scientist looks beyond the Linux cluster. Read more…

Is Larrabee For the Rest of Us?

November 12, 2009

One man's attempt to to do regular-expression matching with the Larrabee instruction set. Read more…

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Whitepaper

Why IT Must Have an Influential Role in Strategic Decisions About Sustainability

In this era, expansion in digital infrastructure capacity is inevitable. Parallel to this, climate change consciousness is also rising, making sustainability a mandatory part of the organization’s functioning. As computing workloads such as AI and HPC continue to surge, so does the energy consumption, posing environmental woes. IT departments within organizations have a crucial role in combating this challenge. They can significantly drive sustainable practices by influencing newer technologies and process adoption that aid in mitigating the effects of climate change.

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How Direct Liquid Cooling Improves Data Center Energy Efficiency

Data centers are experiencing increasing power consumption, space constraints and cooling demands due to the unprecedented computing power required by today’s chips and servers. HVAC cooling systems consume approximately 40% of a data center’s electricity. These systems traditionally use air conditioning, air handling and fans to cool the data center facility and IT equipment, ultimately resulting in high energy consumption and high carbon emissions. Data centers are moving to direct liquid cooled (DLC) systems to improve cooling efficiency thus lowering their PUE, operating expenses (OPEX) and carbon footprint.

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