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Chinese supercomputer surpasses US for world’s fastest in first since 2017

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Chinese supercomputer surpasses US for world's fastest in first since 2017

A Chinese supercomputer system surpassed an American computer for the world’s fastest, according to an industry list published in Hamburg, Germany, on Tuesday, giving China the edge over the U.S. with the fastest supercomputer for the first time since 2017.

LineShine, a system built by the Shenzhen Cloud Computing Center in China, took the crown from El Capitan, a supercomputer housed at the Lawrence Livermore National Laboratory in California, which had reigned supreme since November 2024.

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The last time China held the top spot was in 2017, when the Sunway TaihuLight was ranked No. 1. The U.S. had held the top spot consistently since dethroning Japan’s Fugaku in 2021.

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A computer blade for the Hewlett Packard Enterprise El Capitan supercomputer

A computer blade for the Hewlett Packard Enterprise El Capitan supercomputer at the HPE Discover event at the Sphere in Las Vegas on June 24, 2025. (Ian Maule/Bloomberg via Getty Images)

LineShine, unlike the majority of high-end supercomputers, is not powered by graphics processing units (GPUs) such as the ones made by chip manufacturer Nvidia. The new compute champion, instead, runs on standard central processing units (CPUs). In total, LineShine runs on over 13 million CPUs, according to the TOP500 List.

The TOP500 List uses a metric called the High Performance Linpack (HPL) benchmark to measure supercomputer performance. Evaluating a computer along this benchmark involves making the system run a protracted series of calculations, pushing the system to its limit in an attempt to ascertain how much computing it can actually do.

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“This performance does not reflect the overall performance of a given system, as no single number ever can. It does, however, reflect the performance of a dedicated system for solving a dense system of linear equations,” the TOP500 list writes on its website.

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Using this benchmark, TOP500 determined that LineShine performed 20% better than El Capitan.

The Hewlett Packard Enterprise El Capitan supercomputer

The Hewlett Packard Enterprise El Capitan supercomputer at the HPE Discover event at the Sphere in Las Vegas on June 24, 2025. (Ian Maule/Bloomberg via Getty Images)

LineShine’s entrance onto the list also made it the fifth supercomputer in the world to demonstrate exascale capacity, meaning it can perform one quintillion calculations per second.

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While China nabbed the top spot, the U.S. still dominated the rankings overall, holding the second, third and fourth spots with El Capitan, Frontier and Aurora.

U.S. President Donald Trump shows an executive order he signed in the Oval Office of the White House

President Donald Trump shows an executive order he signed at the White House related to quantum computing on June 22, 2026. (Andrew Harnik/Getty Images)

The Chinese computer’s debut on the list comes one day after President Donald Trump signed an executive order related to quantum computing, moving the U.S. to upgrade its efforts in the emerging technology that some experts say will transform the computing landscape.

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Twitter’s India policy head, Mahima Kaul, to step down; will transition in March

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The Economic Times
NEW DELHI: Twitter‘s Public Policy Director for India and South Asia has resigned to pursue other interests, the micro-blogging site confirmed in a statement. The company has also advertised a position for public policy director – India last week.

This comes as the San-Francisco based firm is at the receiving end of the Indian government over an issue of blocking and unblocking certain handles tweeting about farmer protests.

Sources said that the executive — who continues to lead the conversations with the government — Mahima Kaul’s stepping down is not related to the recent controversy.

Monique Meche, VP, Public Policy, Twitter said in a statement “At the start of this year, Mahima Kaul decided to step down from her role as Twitter Public Policy Director for India and South Asia to take a well-deserved break. It’s a loss for all of us at Twitter, but after more than five years in the role we respect her desire to focus on the most important people and relationships in her personal life.” Kaul will continue in her role till the end of March and will support the transition, Meche added.

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“The Public Policy team acts as Twitter’s ambassadors to government policymakers, regulators, and civil society groups on public policy issues. We focus on addressing issues such as advocating for an Open Internet, freedom of expression, privacy, online safety, net neutrality, and data protection to advance the interests of Twitter and our customers. In addition, we serve as the #TwitterForGood team and provide guidance, resources, and support for Twitter’s Corporate Social Responsibility mission,” the company said in its job description on LinkedIn.

“As Twitter’s public policy lead based in India, this you’ll drive and assist development and advocacy of public policy solutions to pressing high technology issues. Specifically, you will manage and build a team of public policy and philanthropy specialists to protect and advance Twitter’s interests in India, it added among other key performing areas.