ArmがHPCやデータセンター、エッジ向けの最新チップデザインを披露
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米国時間4月27日、Armは2つの新しいプラットフォーム「Arm Neoverse V1」と「Neoverse N2」のローンチと、それらの新しいメッシュ相互接続を発表した。その名前からもわかりのようにV1は完全な新製品で、Armのこれまでのデータセンター用の意欲的な製品の中ではおそらく最良のものであり、ハイパフォーマンスコンピューティング（HPC）と機械学習の分野を狙っている。N2はArmの次世代汎用コンピュートプラットフォームで、そのユースケースはハイパースケールクラウドやSmartNICs、そしてエッジのワークロードなどとなる。それはまた、同社の新しいアーキテクチャArmv9に基づく最初の設計でもある。
少し前まではハイパフォーマンスコンピューティングは少数の企業によって独占されていたが、最近ではArmのエコシステムがかなりのシェアを獲得しており、韓国、インド、フランスのスーパーコンピュータがそれに賭けている。V1で約束されているのは、古いN1プラットフォームを大幅に超える性能を発揮することで、例えば、浮動小数点演算性能が2倍、機械学習性能が4倍向上する。
画像クレジット：Arm
Armのインフラストラクチャ事業担当上級副社長Chris Bergey（クリス・バージー）氏は「V1は私たちがどこまで行けるかという究極の限界を示すもので、いわば目標でした」と述べている。バージー氏によると、V1はArmのこれまでで最もワイドなアーキテクチャだ。つまり、V1はHPC市場を特に意識した製品ではないが、ターゲットの1つであることは間違いない。そして現在のNeoverse V1プラットフォームは新しいArmv9アーキテクチャをベースにしていないが、次の世代ではそうなるという。
一方、N2は1ワットあたりの最大のパフォーマンスを目指している、とバージー氏は強調する。「目指すエネルギー消費効率では明らかにN1の一族だが、性能ではN1より上になる」という。Arm自身によるテストでは、NGPNXは前世代機の1.3倍の性能アップを示したという。
画像クレジット：Arm
多くの点で今日のリリースは、Armが最近の顧客の勝利を強調する良い機会だ。AWSのGraviton2プロセッサーは、当然のように好調だ。しかしOracleはまた、同社のクラウドインフラストラクチャに関しては、AmpereのArmベースのCPU、Altraに賭けている。
Oracle Cloud Infrastructure Computeの上級副社長であるBev Crair（ベブ・クレア）氏は、次のように述べている。「Armはエッジからクラウドまで、どこにでもあるものだと考えている。私たちが見てきたのは、N1ベースのプロセッサーが堅実なパフォーマンスとスケーラビリティと、顧客がクラウドインフラストラクチャに求めるセキュリティを提供し続けたことだ。Ampere Computingと上位のISVたちとのパートナーシップによりOracleは、Armのサーバーサイドの開発を、コスト効率が良くて使いやすい第一級のソリューションにしている」。
またAlibaba CloudやTencentも、そのクラウドサービスでArmベースのハードウェアに投資しており、さらにMarvellはNeoverse V2のアーキテクチャを同社のネットワーキングソリューションOCTEONに利用する気だ。
画像クレジット：PAU BARRENA/AFP / Getty Images
【原文】
Arm today announced the launch of two new platforms, Arm Neoverse V1 and Neoverse N2, as well as a new mesh interconnect for them. As you can tell from the name, V1 is a completely new product and maybe the best example yet of Arm’s ambitions in the data center, high-performance computing and machine learning space. N2 is Arm’s next-generation general compute platform that is meant to span use cases from hyperscale clouds to SmartNICs and running edge workloads. It’s also the first design based on the company’s new Armv9 architecture.
Not too long ago, high-performance computing was dominated by a small number of players, but the Arm ecosystem has scored its fair share of wins here recently, with supercomputers in South Korea, India and France betting on it. The promise of V1 is that it will vastly outperform the older N1 platform, with a 2x gain in floating-point performance, for example, and a 4x gain in machine learning performance.
Image Credits: Arm
“The V1 is about how much performance can we bring — and that was the goal,” Chris Bergey, SVP and GM of Arm ’s Infrastructure Line of Business, told me. He also noted that the V1 is Arm’s widest architecture yet. He noted that while V1 wasn’t specifically built for the HPC market, it was definitely a target market. And while the current Neoverse V1 platform isn’t based on the new Armv9 architecture yet, the next generation will be.
N2, on the other hand, is all about getting the most performance per watt, Bergey stressed. “This is really about staying in that same performance-per-watt-type envelope that we have within N1 but bringing more performance,” he said. In Arm’s testing, NGINX saw a 1.3x performance increase versus the previous generation, for example.
Image Credits: Arm
In many ways, today’s release is also a chance for Arm to highlight its recent customer wins. AWS Graviton2 is obviously doing quite well, but Oracle is also betting on Ampere’s Arm-based Altra CPUs for its cloud infrastructure.
“We believe Arm is going to be everywhere — from edge to the cloud. We are seeing N1-based processors deliver consistent performance, scalability and security that customers want from Cloud infrastructure,” said Bev Crair, senior VP, Oracle Cloud Infrastructure Compute. “Partnering with Ampere Computing and leading ISVs, Oracle is making Arm server-side development a first-class, easy and cost-effective solution.”
Meanwhile, Alibaba Cloud and Tencent are both investing in Arm-based hardware for their cloud services as well, while Marvell will use the Neoverse V2 architecture for its OCTEON networking solutions.
（文：Frederic Lardinois、翻訳：Hiroshi Iwatani）
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