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Performing the Largest Unstructured Large-Eddy Simulation of a Real, Full Combustion Chamber by Argonne National Laboratory

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PI: Thierry Poinsot, CERFACS

Fields of temperature and pressure, along with stream lines and a temperature isosurface representing the flame, are shown in a 330-million-elements simulation of a complete helicopter combustion chamber performed on the IBM Blue Gene/P at the ALCF.

Credit: Pierre Wolf, Turbomeca and CERFACS.

"Over 2 Billion Served" by Argonne National Laboratory

Celebrating "Two Billion Hours Served" by the Argonne Leadership Computing Facility are (from left to right) ALCF Director Pete Beckman, Director of Science Paul Messina and Manager of User Support and Outreach David Martin.

The staff of ALCF, the Mathematics and Computer Science Division and Computing, Environment, and Life Sciences recently celebrated the ALCF's surpassing two billion processor-hours of computations at a mind-boggling speed of more than 557 trillion calculations per second. The project that clicked the supercomputer Intrepid over its 2 billionth hour of science was "Uncertainty Quantification for Turbulent Mixing," a simulation of the turbulent mixing of two fluids, conducted by a group from Stony Brook University, New York.

Details are available on the ALCF Web site »

Argonne National Laboratory.

Jaguar Supercomputer by Oak Ridge National Laboratory

ORNL Deputy Director for Science and Technology Thomas Zacharia with the Cray XT5 Jaguar.

ARRA-funded postdoc works toward creating invisible material by Argonne National Laboratory

Eugene DePrince, a scientist whose job is funded by the Recovery Act, views a computer-generated optical image.

DePrince is using the laboratory's IBM Blue Gene/P supercomputer to perform basic research that will one day help scientists create invisible materials. Read the full story »

Argonne has received significant funding through the American Recovery and Reinvestment Act (ARRA), allowing us to accomplish a number of important goals while putting Americans back to work. We’ve interviewed several ARRA-funded employees to see how their new job has changed their lives. More profiles »

Argonne National Laboratory.

Cray Circuit Board by brewbooks

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Note the liquid cooling

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Mira dedication ceremony by Argonne National Laboratory

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2013. Senator Dick Durbin (Ill.) joined Argonne staff to celebrate the dedication of Mira, the lab's new supercomputer and the fifth fastest computer in the world today. Above: Argonne director Eric Isaacs speaks at the ceremony.

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Tracking a Superstorm by NASA Goddard Space Flight Center

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Oct. 25, 2012 – Sandy reached its initial peak intensity as a Category 3 hurricane over Cuba.

Credit: NASA's Goddard Space Flight Center and NASA Center for Climate Simulation

Video and images courtesy of NASA/GSFC/William Putman

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A NASA computer model simulates the astonishing track and forceful winds of Hurricane Sandy.

Hurricane Sandy pummeled the East Coast late in 2012’s Atlantic hurricane season, causing 159 deaths and $70 billion in damages. Days before landfall, forecasts of its trajectory were still being made. Some computer models showed that a trough in the jet stream would kick the monster storm away from land and out to sea. Among the earliest to predict its true course was NASA’s GEOS-5 global atmosphere model. The model works by dividing Earth’s atmosphere into a virtual grid of stacked boxes. A supercomputer then solves mathematical equations inside each box to create a weather forecast predicting Sandy’s structure, path and other traits. The NASA model not only produced an accurate track of Sandy, but also captured fine-scale details of the storm’s changing intensity and winds. Watch the video to see it for yourself.

For more information, please visit:

gmao.gsfc.nasa.gov/research/atmosphericassim/tracking_hur...

NASA image use policy.

NASA Goddard Space Flight Center enables NASA’s mission through four scientific endeavors: Earth Science, Heliophysics, Solar System Exploration, and Astrophysics. Goddard plays a leading role in NASA’s accomplishments by contributing compelling scientific knowledge to advance the Agency’s mission.

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Cray Supercomputer Brochures by Rene Walter

NNSA's Sequoia Ranks as Fastest Supercomputer in World by National Nuclear Security Administration

Sequoia, a supercomputer built for NNSA, has been named the fastest in the world by Top500. Operating at 16.32 petaflops (quadrillion floating point operations per second), Sequoia helps monitor the nation's nuclear weapons stockpile by simulating weapons performance in high detail.

Aurora Supercomputer Press Conference by Argonne National Laboratory

31102D, Aurora Press Conference with ANL, Intel, and Cray

Photographer: Mark Lopez

Fostering Discoveries Faster: Mira at ALCF by Argonne National Laboratory

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2012. Mira has been ranked the third fastest supercomputer in the world as of 2012.

Elucidation of Stress Corrosion Cracking Mechanisms by Argonne National Laboratory

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Petascale quantum mechanical-molecular dynamics simulations on Argonne’s Blue Gene/P supercomputer encompass large spatiotemporal scales (multibillion atoms for nanoseconds and multimillion atoms for microseconds). They are improving our understanding of atomistic mechanisms of stress corrosion cracking of nickel-based alloys and silica glass—essential for advanced nuclear reactors and nuclear-waste management.

In this image: Fracture simulations for nanocrystalline nickel without and with amorphous sulfide grain-boundary phases reveal a transition from ductile, transgranular tearing to brittle, intergranular cleavage. Image courtesy Hsiu-Pin Chen of USC et al., Physical Review Letters 104, 155502.

For more information, visit the Argonne Leadership Computing Facility (ALCF) website.

Image courtesy of Argonne National Laboratory.

Army supercomputing center signals growth in Soldier protection solutions by U.S. Army DEVCOM

Dr. Patricia Falcone, Brig. Gen. Daniel P. Hughes and Sen. Ben Cardin (D-MD) join other Army officials to cut the ceremonial ribbon at the Army's Supercomputing Research Center at Aberdeen Proving Ground, Md., June 10, 2013.

Falcone is the associate director for National Security and International Affairs in the White House Office of Science and Technology Policy. Hughes is the deputy commanding general for the U.S. Army Research, Development and Engineering Command. Cardin has represented Maryland in the U.S. Senate since 2006.

The Army Research Laboratory will use the center to influence the direction of future armor solutions and other unprecedented capabilities for Soldiers.

ORNL’s Summit Supercomputer Named World’s Fastest by OLCF at ORNL

Summit is the fastest supercomputer in the world, according to the TOP500 list, which ranks global computing systems. Summit is the third ORNL system to top this list, preceded by the Jaguar and Titan supercomputers. Representatives from ORNL, IBM, NVIDIA, Red Hat, and Mellanox Technologies accepted the award at the ISC High Performance conference in Frankfurt, Germany.

ORNL’s Summit Supercomputer Named World’s Fastest by OLCF at ORNL

Summit is the fastest supercomputer in the world, according to the TOP500 list, which ranks global computing systems. Summit is the third ORNL system to top this list, preceded by the Jaguar and Titan supercomputers. Representatives from ORNL, IBM, NVIDIA, Red Hat, and Mellanox Technologies accepted the award at the ISC High Performance conference in Frankfurt, Germany.

Image credit: NVIDIA

ORNL’s Summit Supercomputer Named World’s Fastest by OLCF at ORNL

Summit is the fastest supercomputer in the world, according to the TOP500 list, which ranks global computing systems. Summit is the third ORNL system to top this list, preceded by the Jaguar and Titan supercomputers. Representatives from ORNL, IBM, NVIDIA, Red Hat, and Mellanox Technologies accepted the award at the ISC High Performance conference in Frankfurt, Germany.

Image credit: Graham Lopez/ORNL

Aurora Supercomputer Press Conference by Argonne National Laboratory

31102D, Aurora Press Conference with ANL, Intel, and Cray

Photographer: Mark Lopez

Planetary Vol 1 #1 1999 by big-ashb

Elijah Snow is hired by Jakita Wagner to join Planetary, a four-man team (3 field agents and one mysterious backer known as "the Fourth Man") looking to uncover the hidden history of the world as "mystery archeologists." Their first mission: to explore a man-made cavern in the Adirondacks, the last known destination of Doc Brass, an adventurer from the 1930s and 1940s.

Elijah Snow is asked by Jakita Wagner to join Planetary -- a group of archaeologists who map the secret history of the world -- as their new field agent. He joins under the promise of a million dollars a year and record of him eliminated. He is introduced to The Drummer and goes on his first investigation that of going to view the secret base of a Renaissance Man and adventurer named Dr, Axel Brass; a man who may no longer need to eat or sleep. After arriving at the headquarters Elijah and Jakita see Brass still alive but with damaged legs Doc Brass then tells them that years ago in the forties he and his fellow adventurers had secretly gathered in the same base and had created a supercomputer that harassed the 196,833 universes and realign them and merge them, Doc Brass and his associates wished to use the device and the multiverse in a attempt to create a perfect world but failed when a group of people (JLA-like beings) from another universe used the computer to come to their universe. The other beings universe was dying and these beings attempted to take the other world and kill everyone on this Earth for their Earth's population a battle ensued and all were killed except Brass who suspects the years is 1970. Planetary crew cleans up Doc Brass' headquarters while he will be placed in care. Elijah tells Jakita how strange the world is while Jakita tells him "Let's keep it that way".

Elijah Snow is approached in a diner in the middle of the desert by Jakita Wagner, who attempts to recruit him into Planetary -- a group of archaeologists who map the secret history of the world -- as their new field agent, or "third man". He reluctantly joins under the promise of a million dollars a year and all public records of his life eliminated. He is introduced to The Drummer -- the final member of the field team -- and accompanies his teammates on an investigation of a secret Adirondacks base of Renaissance Man and adventurer Dr, Axel Brass.

Upon arriving at the mountain stronghold, Elijah and Jakita discover Brass still alive within the compound, having sustained crippling injuries to his legs many years ago. Brass tells them of his companions in the 1940s -- like-minded adventurers including Hark, Kevin Sack (Lord Blackstock), and the Dark Millionaire --and the supercomputer they built that harnessed the power of 196,833 universes in order to realign and merge them. In their attempt to use the device to create a perfect world, they opened a rift into another universe where seven strangers (a pastiche of the most iconic members of the Justice League) awaited them. These strangers came from a dying universe, and they desperately fought Brass and his companions in an attempt to overtake our reality and replace this Earth's population with their own. In the enusing battle, all combatants perished save for Brass, who stayed in the stronghold to defend it against potential incursions from other dimensions. Having long since overcome the need to eat or sleep and having learned to will his body to heal itself, he has maintained his vigil over the supercomputer ever since, estimating that the year is roughly 1970.

After his tale, the Planetary team cleans up Brass' headquarters and takes him into their care, setting up a watch on the supercomputer and archiving the contents of the fortress. Elijah comments to Jakita how strange the world is, to which Jakita responds, "Let's keep it that way"; this statement will become the mantra of the series going forward.

The issue is conceptually about the rise of superhero comics, which overthrew the pulp adventure tales of the day (represented by Doc Brass and his companions, who resemble classic characters such as Tarzan and The Shadow).

IXPUG Annual Meeting by Argonne National Laboratory

Intel Xeon Phi User's Group (IXPUG) annual meeting attendee.

IBM Blue Gene P -- 2 by Argonne National Laboratory

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The Argonne Leadership Computing Facility (ALCF) major acquisition, the Blue Gene/P supercomputer, will boost the facility's total computing power to 556 teraflops, representing a fivefold increase in system capability. This advance will help to initiate the coming era of petascale computing and enable experts to answer questions that have confounded America's scientists for years. Photo courtesy of Argonne National Laboratory.

ORNL's Lab Day Open House by OLCF at ORNL

The Department of Energy's Oak Ridge National Laboratory welcomed the public to its Lab Day on Saturday, June 9, marking the laboratory's 75th anniversary with exhibits, science talks, tours, music and food.

Approximately 4,500 attendees experienced ORNL's Traveling Science Fair exhibits, packed tours to facilities including the High Flux Isotope Reactor, Spallation Neutron Source, Oak Ridge Leadership Computing Facility, the Historic Graphite Reactor Museum and the Building Technologies Research and Integration Center.

OLCF staff members gave tours of the facility to attendees, first demonstrating the power of parallel computing using the PArTI (Parallel Architecture Test Instance) and then providing an up-close experience with the Summit supercomputer at the Summit viewing area.

Mira dedication ceremony by Argonne National Laboratory

2013. Senator Dick Durbin (Ill.) joined Argonne staff to celebrate the dedication of Mira, the lab's new supercomputer and the fifth fastest computer in the world today.

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Visualization of the Center of the Milky Way by Stuart Rankin

Edited Chandra Space Telescope visualization of the center of the Milky Way Galaxy. Round variant in inverted grayscale.

Original caption: Want to take a trip to the center of the Milky Way? Check out a new immersive, ultra-high-definition visualization. This 360-movie offers an unparalleled opportunity to look around the center of the galaxy, from the vantage point of the central supermassive black hole, in any direction the user chooses.

By combining NASA Ames supercomputer simulations with data from NASA's Chandra X-ray Observatory, this visualization provides a new perspective of what is happening in and around the center of the Milky Way. It shows the effects of dozens of massive stellar giants with fierce winds blowing off their surfaces in the region a few light years away from the supermassive black hole known as Sagittarius A* (Sgr A* for short).

These winds provide a buffet of material for the supermassive black hole to potentially feed upon. As in a previous visualization, the viewer can observe dense clumps of material streaming toward Sgr A*. These clumps formed when winds from the massive stars near Sgr A* collide. Along with watching the motion of these clumps, viewers can watch as relatively low-density gas falls toward Sgr A*. In this new visualization, the blue and cyan colors represent X-ray emission from hot gas, with temperatures of tens of millions of degrees; red shows moderately dense regions of cooler gas, with temperatures of tens of thousands of degrees; and yellow shows of the cooler gas with the highest densities.

A collection of X-ray-emitting gas is seen to move slowly when it is far away from Sgr A*, and then pick up speed and whip around the viewer as it comes inwards. Sometimes clumps of gas will collide with gas ejected by other stars, resulting in a flash of X-rays when the gas is heated up, and then it quickly cools down. Farther away from the viewer, the movie also shows collisions of fast stellar winds producing X-rays. These collisions are thought to provide the dominant source of hot gas that is seen by Chandra.

When an outburst occurs from gas very near the black hole, the ejected gas collides with material flowing away from the massive stars in winds, pushing this material backwards and causing it to glow in X-rays. When the outburst dies down the winds return to normal and the X-rays fade.

The 360-degree video of the Galactic Center is ideally viewed through virtual reality (VR) goggles, such as Samsung Gear VR or Google Cardboard. The video can also be viewed on smartphones using the YouTube app. Moving the phone around reveals a different portion of the movie, mimicking the effect in the VR goggles. Finally, most browsers on a computer also allow 360-degree videos to be shown on YouTube. To look around, either click and drag the video, or click the direction pad in the corner.

Dr. Christopher Russell of the Pontificia Universidad Católica de Chile (Pontifical Catholic University) presented the new visualization at the 17th meeting of the High-Energy Astrophysics (HEAD) of the American Astronomical Society held in Monterey, Calif. NASA's Marshall Space Flight Center in Huntsville, Alabama, manages the Chandra program for NASA's Science Mission Directorate in Washington. The Smithsonian Astrophysical Observatory in Cambridge, Massachusetts, controls Chandra's science and flight operations.

Boosting Fuel Economy through Cutting-edge Computational Physics by Argonne National Laboratory

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PI: Robert Moser, University of Texas at Austin

Computationally derived images, like the one shown, allow researchers to visualize the turbulent flows that affect many vehicles. A better understanding of the physics of turbulence will aid engineers in improving fuel economy.

Credit: Juan Sillero, Universidad Politécnica de Madrid

IXPUG Annual Meeting by Argonne National Laboratory

Jack Deslippe, acting group leader at the National Energy Research Scientific Computing Center (NERSC) covers Optimizing Codes Using the Roofline Model at the Intel Xeon Phi User's Group (IXPUG) annual meeting at Argonne.

A New Parallel Strategy for Tackling Turbulence on Summit by OLCF at ORNL

A team led by P. K. Yeung, professor of aerospace engineering and mechanical engineering at the Georgia Institute of Technology, performs direct numerical simulations of turbulence using his team’s code, GPUs for Extreme-Scale Turbulence Simulations (GESTS). These simulations can accurately capture the details that arise from a wide range of scales.

In 2019, the team developed a new algorithm optimized for the IBM AC922 Summit supercomputer at the OLCF. With the new algorithm, the team reached a performance of less than 15 seconds of wall-clock time per time step for more than 6 trillion grid points in space—a new world record surpassing the prior state of the art in the field for the size of the problem.

The illustration shows intricate flow structures in turbulence from a large simulation performed using 1,024 nodes on Summit. The lower right frame shows a zoom-in view of a high-activity region.

Image Credit: Dave Pugmire and Mike Matheson, Oak Ridge National Laboratory

Mira Detail by Argonne National Laboratory

Mira: The Argonne Leadership Computing Facility's Next-Generation Supercomputer

Mira will provide billions more processor-hours per year to the scientists, engineers, and researchers who use it to run complex simulations of everything from nuclear reactors to blood vessels through allocations awarded through INCITE, ALCC and Director's Discretionary programs.

Cray Supercomputer Brochures by Rene Walter

ORNL’s Summit Supercomputer Named World’s Fastest by OLCF at ORNL

Summit is the fastest supercomputer in the world, according to the TOP500 list, which ranks global computing systems. Summit is the third ORNL system to top this list, preceded by the Jaguar and Titan supercomputers. Representatives from ORNL, IBM, NVIDIA, Red Hat, and Mellanox Technologies accepted the award at the ISC High Performance conference in Frankfurt, Germany.

Image credit: Graham Lopez/ORNL

Jaguar Supercomputer by Oak Ridge National Laboratory

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The Cray XT Jaguar features more than 224,000 processing cores, each with 2 gigabytes of local memory.

Mira's new skin by Argonne National Laboratory

Detail of MIRA in building 240 30292D005

4/09/2015 Aurora Supercomputer Press Conference by Argonne National Laboratory

Lynn Orr, the Department of Energy's Under Secretary of Science and Energy, addresses the press.

Photographer: Mark Lopez

Cray Supercomputer Brochures by Rene Walter

Flash Simulation of a One-to-one Mass Ratio Galaxy Cluster Merger with an Impact Offset by Argonne National Laboratory

Deep in space, giant galaxy clusters filled with vast clouds of hot, X-ray producing gas are assembled through supersonic collisions over billions of years. In order to better understand these astrophysical phenomena, called galaxy cluster mergers, scientists visualize them using supercomputers—resulting in this beautiful image.

ABOVE: Dark matter makes up the majority of the cluster material, up to 90% by mass, and the gravitational force of the dark matter dominates the physics of the merger. Most of the ordinary matter is in the form of a hot, diffuse plasma known as the intra-cluster medium. These gases interact directly, unlike the dark matter particles, whose motion is thought to be collisionless. However the mixing of the gas is completely driven by the violent orbital motion of the dark matter cores. Shown here is a volume rendering of the degree of mixing in the gases (blue = unmixed red=mixed) and trajectories of some of the dark matter particles, from each cluster.

Researchers: John Zuhone, Harvard-Smithsonian CfA; Donald Q. Lamb, Flash Center, University of Chicago

Visualization: Brad Gallagher, University of Chicago

Research supported by:

DOE/NNSA ASC Alliance Flash Center, DOE/Office of Science INCITE Program

Argonne National Laboratory.

Flash Simulation of a One-to-one Mass Ratio Galaxy Cluster Merger with an Impact Offset by Argonne National Laboratory

Deep in space, giant galaxy clusters filled with vast clouds of hot, X-ray producing gas are assembled through supersonic collisions over billions of years. In order to better understand these astrophysical phenomena, called galaxy cluster mergers, scientists visualize them using supercomputers—resulting in this beautiful image.

ABOVE: Dark matter makes up the majority of the cluster material, up to 90% by mass, and the gravitational force of the dark matter dominates the physics of the merger. Most of the ordinary matter is in the form of a hot, diffuse plasma known as the intra-cluster medium. These gases interact directly, unlike the dark matter particles, whose motion is thought to be collisionless. However the mixing of the gas is completely driven by the violent orbital motion of the dark matter cores. Shown here are volume renderings of the gases (in blue and yellow) zoomed in so that detail of the structure involved in the interaction of dark matter particles and the gases can be seen.

Researchers: John Zuhone, Harvard-Smithsonian CfA; Donald Q. Lamb, University of Chicago

Visualizations by Brad Gallagher, University of Chicago.

Research supported by:

DOE/NNSA ASC Alliance Flash Center, DOE/Office of Science INCITE Program

Argonne National Laboratory.

NERSC Hopper supercompter by Berkeley Lab

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NERSC (National Energy Research Scientific Computing) Hopper supercomputer cluster at the OSF (Oakland Scientific Facility). Cray ECOphlex water-cooled supercomputers.

credit: Lawrence Berkeley Nat'l Lab - Roy Kaltschmidt, photographer

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how i accidentally built a supercomputer (5) by Angelo Minichiello

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Intel i7 980X 6 core CPU. This comes with what is reported to be a very good stock cooler. i will post some more pics later.

IXPUG Annual Meeting by Argonne National Laboratory

Rick Stevens, Associate Laboratory Director for Computing, Environment and Life Science (CELS), takes the stage to speak about how supercomputing resources can be used to map the human brain understand drug resistance in cancer therapies at the Intel Xeon Phi User's Group (IXPUG) annual meeting at Argonne.

Supercomputer at ANU by Catherine

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This was the back of one of the networking panels of the sc at ANU.

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