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Fastest supercomputers named Fastest supercomputers named

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Fastest supercomputers named

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The 57th edition of the TOP500 list has been published, which lists the highest performing computers in the world.

Little has changed since November 2020, as the Japanese supercomputer Fugaku, powered by Fujitsu A64FX SoCs based on Arm architecture, managed to stay in first place. Fugaku was developed by Riken and Fujitsu and has a High Performance Linpack (HPL) score of 442 petaflops. That’s three times more than the runner-up IBM Summit system powered by Power9 processors and Nvidia Tesla V100 accelerators.

According to TOP500, the only new addition to this list is the American supercomputer Perlmutter, which is based on the HPE Cray Shasta platform and a heterogeneous system. Perlmutter managed to achieve 64.6 petaflops performance, but at the same time its power consumption is much lower than that of its competitors. Perlmutter came in fifth.

According to FutureTimeline, in 2021 we should see computers with more than one exaflops performance. The next TOP500 list is due out in November.

The rankings noted that AMD processors are being used more and that China is no longer dominating the list as it was a few years ago.

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Experts from Open AI taught the neural network to play Minecraft exclusively from videos

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Experts from Open AI taught the neural network to play

Researchers at Open AI have taught artificial intelligence how to play Minecraft using only walkthrough videos. The training method was based on preliminary video training (Video PreTraining, VPT), ​​which made it possible to use a large amount of unlabeled data for this. To control AI, I used mouse and keyboard emulators.

Experts from Open AI taught the neural network to play Minecraft exclusively from videos

At the first stage, the neural networks showed 2,000 hours of marked-up video with Minecraft gameplay. Here, the researchers demonstrated which buttons users pressed during the game. This allowed the system to learn to guess which buttons are pressed. At the second stage, the neural network has already viewed 70 thousand hours of unlabeled video (without data on the buttons being pressed). All entries were taken from open sources.

As a result, the neural network was able to learn not only to walk in the game world, but also to extract resources and create objects from them, run, swim, avoid obstacles, hunt animals and get food. AI has also learned to jump up and put blocks under the character to climb higher.

In the third stage, the researchers asked the users who took part in the project to help them. Players have created a new world in Minecraft, collected the necessary resources to start and crafted the essentials. All this was recorded on video, which was then shown by neural networks. Some have even built basic shelters, and the neural network has mastered this skill. The researchers used reinforcement learning, which allowed the AI ​​to eventually create a diamond pickaxe.

Scientists believe that the method of preliminary video training will allow you to quickly train neural networks for the necessary tasks, and will also allow you to train artificial intelligence to use the mouse and keyboard. The source codes of the project have already been published.

Previously, it was reported that Minecraft was completely completed in less than 2 minutes.

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Small flagship with new features. Redmi Note 12 will get an improved camcorder and a flat screen

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Small flagship with new features Redmi Note 12 will get

Lu Weibing, president of Xiaomi Group China and general manager of the Redmi brand, previously confirmed that the Redmi Note series will be updated every six months. At the same time, once a year, the focus will be on performance and new features.

In the first half of this year, Redmi launched the Note 11T Pro series, which was performance oriented. The Redmi Note 12 series, which will be released in the second half of this year, is positioned as a “small flagship” and will focus on new experiences.

A well-known insider under the nickname Digital Chat Station has revealed that the Redmi Note 12 series smartphones will use a flat screen with a hole for the front camera in the central upper part of the display.

Small flagship with new features.  Redmi Note 12 will get an improved camcorder and a flat screen

The Redmi Note 11T Pro series uses an LCD screen, while the Redmi Note 11 Pro series uses OLED screens. In both cases, FullHD + resolution and a high image refresh rate are supported.

In addition, Digital Chat Station reports that Redmi Note 12 will receive a significantly improved image processing system. The Redmi Note 11 Pro+ uses a 108-megapixel Samsung ISOCELL HM2 image sensor with a 1/1.52-inch optical format. Probably, the new smartphone will receive an enlarged image sensor.

Digital Chat Station was the first to accurately announce the specifications and release dates of Redmi K50 and Xiaomi 12.

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New iPads with notches: what they will be

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New iPads with notches what they will be

According to LeaksApplePro, Apple is preparing three new iPad Pro tablets equipped with the Apple M2 single-chip system, which outperforms the Apple M1 by 18 and 35% in CPU and GPU speeds, respectively.

The most interesting of the trio will be a tablet with a screen diagonal of 14.1 inches, which will be released next year. The sixth-generation iPad Pro comes in 11-inch and 12.9-inch screen sizes this year. In addition to the Apple M2, they will also get a 5G modem and a Mini LED screen. The tablets will start at $800 and $1,100 for the 128GB versions.

New iPads with notches: what they will be

As for the 14.1-inch version, it also features a Mini LED screen, a minimum storage capacity of 256 GB, and a price starting at $1,400.

Presumably, new tablets will receive a screen with a notch-type cutout, which iPhone smartphones will begin to abandon this year.

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