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　　Attachment: Research and development of high-performance computing machines in our country

　　Our country’s high-performance computing machines have formed three series, namely Galaxy series, Dawning series and Shenwei series.

　　Galaxy series

　　In November 1983, our country’s first gigantic electronic computer named "Galaxy" was born at the National University of Defense Technology after five years. Its successful development announced to the world that China has become a country that can independently design and manufacture supercomputers after the United States, Japan and other countries.

　　On November 19, 1992, the 1 billion supercomputer "Galaxy-II" developed by the National University of Defense Technology passed the national appraisal in Changsha, filling the gap of parallel supercomputers for large-scale scientific engineering computing and large-scale data processing in our country.

　　On June 19, 1997, the "Galaxy-III" parallel supercomputer developed by the National University of Defense Technology passed the national appraisal in Beijing. The machine adopts a distributed shared storage structure for large-scale scientific and engineering computing and large-scale data processing. The basic word length is 64 bits, and the peak performance is 13 billion times. The machine has a number of technologies that are leading in China, and the comprehensive technology has reached the current international advanced level.

　　Dawn series

　　Dawning I In October 1993, Dawning successfully launched the first SMP structure computer – "Dawning I". It can be widely used in banking, insurance, accounting, taxation, post and telecommunications, transportation and government departments for large-scale transaction processing. Dawning I is a major achievement of our country’s "863 plan", which marks that our country has mastered the world’s advanced level of designing and manufacturing symmetrical tightly coupled parallel machines that support multi-threading mechanisms, and shortens the gap between our country and foreign countries in parallel processing technology.

　　Dawning 1000 was developed in May 1995. It is the first set of large-scale parallel computer system independently developed in China, and its peak computing speed reaches 2.50 billion times per second. It used Mesh network for the first time and developed Wormhole routing chip for the first time. It is the first company to develop advanced parallel operating systems based on message passing, practical parallel optimization compilers and parallel file systems. All use parallel programming, debugging tools and environments, and the whole has reached the international advanced level in the early 1990s. Some technologies such as cavity communication chip design and parallel optimization compilation have reached the international leading level.

　　Dawning 2000-I Super Server, a major project of the National 863 Program undertaken by the National Intelligent Computer Research and Development Center in the first half of 1998, was successfully developed and passed the national appraisal. Its peak computing speed is 20 billion floating-point operations per second, supports mainstream operating systems and parallel programming environments, and has the characteristics of a single image. It is oriented towards scientific engineering computing. Although this project is a high-end product, it has upward and downward scalability, so it is expected to develop into a high-performance computer product series. Dawning 2000-I meets part of the domestic demand for MPP systems, which in turn promotes the development of large-scale scientific engineering computers and large-scale transaction processing in our country.

　　Shuguang 2000-ⅱ Super Server, developed by the National Intelligent Machine Research and Development Center of the Chinese Academy of Sciences, has passed the expert appraisal organized by the Ministry of Science and Technology in Beijing. It has made a major breakthrough in the key technology and productization of super servers, reaching the advanced level of international congeneric products in the late 1990s, and has entered the international leading ranks in cluster operating systems. Its peak floating-point operation speed is 110 billion times per second, the total memory capacity reaches 50 gigabytes, which can be expanded to 80 gigabytes, and the total disk capacity exceeds 600 gigabytes, which can be expanded to several gigabytes. It has an advanced cluster architecture, consisting of 82 node computers, and the total number of processors reaches 164. Dawning 2000-II has a rich and complete software system. Our country has developed a powerful cluster operating system, equipped with a variety of popular high-level programming languages, mainstream parallel programming environments and tools. In order to support network information services, the machine is equipped with parallel network and email service software, and can support various popular database software. working processor. In addition, it must also have self-checking and repair functions, which will be a revolution in the field of computer design.

　　Shenwei ⅰ computer system

　　In August 2000, our country’s self-developed high-performance computing machine, Shenwei I, with a peak computing speed of 384 billion floating-point results per second, was put into business operations. After the United States and Japan, our country has become the third country with the ability to develop high-performance computing machines. The system ranks 48th among the top 500 high-performance computing machines in commercial operation in the world today.

　　This scalable large-scale parallel computing system named Shenwei ⅰ computer system, the main technical indicators and performance have reached the international advanced level, is our country’s major scientific research achievements in the development and application field of giant computers, thus breaking the restrictions of some Western countries in the field of high-performance computing machines to our country.

　　The application scope of Shenwei ⅰ computer system mainly involves meteorological and climate, aerospace, information security, oil exploration, life sciences and other fields. During the practice run, Beijing high-performance computing application center has successfully developed a number of practical large-scale application software based on Shenwei ⅰ computer system. Preliminary statistics show that the utilization rate of Shenwei ⅰ computer system has reached more than 60%, and it is playing an active role in the field of national economic construction. For example: the ensemble numerical weather forecast system developed in cooperation with our country’s meteorological bureau can complete 32 samples and 10-day global forecasts within 8 hours; the human gene cloning system developed in cooperation with the Institute of Biophysics of the Chinese Academy of Sciences has completed the cloning operation of human heart genes and achieved the results of reaching the international advanced level.

　　According to reports, the first Shenwei I was put into use at the Beijing high-performance computing application center, and the second will be put into operation at the Shanghai Supercomputer Center.

　　(People’s Daily Online Profile)

Editor in charge: Li Erqing

Andy Lau performs a different "killer"

When we interviewed Rao Xiaozhi, the director of "The Crowd", we asked him what the opportunity was to invite Andy Lau to play the killer Zhouquan. Rao said that when the character of Zhouquan became clearer and clearer in the book, he felt that it should be Andy Lau, and he did not need any foreshadowing. "He just stands there." The simple and straightforward answer, after thinking about it, felt extremely reasonable and appropriate. From Andy to Brother Hua, the growth is only age, hard work, self-discipline, seriousness, diligence, and consistency. Andy Lau did a lot for "The Crowd", connecting with various theaters by phone to request more film arrangements, opening a Douyin account to live stream with director Rao Xiaozhi… Due to work reasons, he could not accept face-to-face interviews in the mainland, and the Lau team returned to the video interview material extremely efficiently. Andy Lau answered all the questions in our interview outline, without avoiding or perfunctory. The team carefully used dual cameras to shoot this interview. Andy Lau occasionally looked at the camera, his eyes clear and bright, his words sincere, his state stretched, and his style of talking and laughing remained the same. After more than 40 years of filming, even though he is now an honorary person, he said that no matter what the script is, it is a challenge for me, and every movie is equally difficult.

Q

A

ICONSPRO: Can you introduce the movie "The Crowd" to everyone?

Andy Lau:The movie "Crowd" is actually about two different people who exchange their lives. I was a killer in the movie, and because of an accident, I exchanged lives with Xiao Yang, and I became an extra actor, which is a very wonderful movie.

ICONSPRO: Have you seen the previous works of Director Rao Xiaozhi? What are your thoughts on this collaboration?

Andy Lau:This time, in fact, this script has been coming down, and I have heard that this work is brewing in the market. I have never known that the director Rao did it. I have seen "Hello Crazy" and "No Name". I really appreciate that he has a different world in the movie, and I really want to enter his world to see it. Then this time it was very good, he found me to act in this play, and I was very happy. I quickly agreed to perform like this.

ICONSPRO: What motivated you to take on this film? What was the most appealing part of the script?

Andy Lau:I took this movie entirely because of his talent. Of course, I like Wan Qian, Xiao Yang, Xiao Lei, and many other actors, but if you want me to give a reason, it’s because of the director’s talent.

ICONSPRO: Zhou Quan is a killer who has lost his memory and switched identities with others. What do you think is the most challenging aspect of this role?

Andy Lau:I think no matter what the script is, it is a challenge for me, because we don’t care if I played Leiluo 25 years ago, and I play it again today, in fact, I can present a different role, so I’m not saying whether the script is difficult or not, but I think I can present a certain kind of Andy Lau under the director’s world. This is my biggest difficulty, but I think every movie has the same difficulty.

ICONSPRO: The biggest feature of a remake is that the audience will lose curiosity about the local version because they have seen the original. Would you consider adding some special designs to attract the audience?

Andy Lau:Each of us has been a parent, and there are many people in this world. He has also acted. He has also been a father, and he has also been a father. Then I watched the original Japanese ones, and I also watched the Korean ones. Their world, their family, are presented differently in different fields or in different countries. I think the director put a lot of local jokes this time, and it is the kind of taste that we are very Chinese. I think this is completely. I don’t know why the director will present this world. I think it is different from anything except the plot. There is no way to say which part of it we have borrowed from. It is either Japanese or Korean. Now a completely new world is presented in front of all the audiences.

ICONSPRO: Xiao Yang said in an interview that Andy Lau can give people a sense of security. What do you think of this evaluation? Where does the sense of security between actors and actresses come from?

Andy Lau:First of all, I think Xiao Yang, thank you for your evaluation of me, security, I think this is your trust, found in me, in fact, as long as you believe in people, no matter who the other party is, as long as you believe, the world will be safe. So you will choose some people you believe in, work together or live together. This kind of security is not given to him by me, but if you believe in me, I have it. If you don’t believe in me, I don’t have it.

ICONSPRO: It’s the first time to work with Vance, but how can you break the ice quickly if you want to shoot an emotional scene?

Andy Lau:I have been acting for 40 years, and every play will have a heroine, and then every play will have a relationship. Every time I do it, I have found many ways to tell myself what is good about her and what moves me before filming, so no matter which movie it is, when the heroine appears, I will naturally communicate with him or fall in love. It is completely natural, but there is no way, just love with your heart.

ICONSPRO: Collaborating with the mainland creative team again, do you think your Mandarin has improved again?

Andy Lau:First of all, I think everyone really misunderstood a little bit. In the past, from "Ambush on All Sides", many of my movies were made with my voice, and I performed them in Mandarin, so I don’t know why everyone thought this time, wow, that’s weird, why? In fact, three or four years ago, I played "The Bomb Locker", and the people who were released thought that my Mandarin was not so worth using my voice, so I replaced my voice and found someone else to do it. That may be due to those distribution habits, such as "Lost Orphan" is also my voice. (In "The Bomb Locker") I played with Ni Ni and I spoke Mandarin, so this will not affect my performance. There may be some pronunciations in the middle that are mine, especially one of Andy Lau’s Mandarin, but I basically use my voice in many movies, and I rarely match it. "The Great Wall" is mine in English and Mandarin, and Mandarin is mine.

ICONSPRO: Xiao Yang said that she was slapped 33 times in the face and 11 times in the face. Do you have any pressure to shoot similar scenes?

Andy Lau:Of course there will be. Before I filmed this scene, I already told the director that because of his scene, I can’t have a single word wrong in all the dialogue, because he was talking about the dialogue written in the whole book, so I can’t be wrong, not a single word wrong. The reason why there are so many (slaps) in the middle is because I may not be used to it. For example, I have used "character". I have been talking about "character" for more than 50 years, and now I suddenly changed "character", so I am not used to it. In fact, I am quite stressed. This is the scene I feel the most guilty about in the whole scene. Really Xiao Yang, I really shouldn’t have been beaten so much, but my command of Mandarin is not so flexible, so I’m sorry.

ICONSPRO: You have won the best actor in the heavyweight film festival many times. In the field of film, are there any awards you want to work hard to win?

Andy Lau:I am a very casual actor. From the very first day, everyone may think that Andy Lau needs any awards or whatever. In fact, I am the most indifferent. Whether I play well or not, I understand it myself. With it, I won’t feel how good I am, and without it, I won’t feel that I am not good at acting, so I feel that I am responsible in the world. Maybe if I want to participate in those awards in different parts of the world, or some film festivals, I just hope to bring Chinese films to the world and let the world know. In addition to some art films and action films, we can also have some commercial blockbusters in the market, and we can also make everyone feel that in addition to business, it contains the most traditional Chinese wisdom. I hope to bring our Chinese films to every corner of the world, not really. I want to win awards in different parts of the world.

ICONSPRO: And finally, a word for the Amway audience coming into the theater to watch "The Crowd."

Andy Lau:First of all, let me tell you that "The Crowd" is a very good movie, and it is a movie with its own character and image. I hope you go in and feel that as long as you work hard, no one can beat you. This is the most important point of our play. Hope you enjoy "The Crowd".

– THE

The trend of new energy is booming. Among several types of new energy vehicles, extended-range electric vehicles have become the new favorite. Such vehicles can not only enjoy the policy benefits of new energy vehicles in most cities, but also make up for the shortage of mileage anxiety of pure electric vehicles. In the camp of extended-range electric vehicles, AITO and Ideality are representative brands. The former has launched the first technologically luxurious intelligent electric drive SUV—AITO Wenjie M5, which is being delivered in 36 cities and more than 100 user centers. The latter has a high market popularity in Li ONE, so how to choose these two models? This paper tells you the answer by comparing the hard power of the two.

Comparison of extended range platforms: AITO-bound M5 has a longer comprehensive battery life and a smoother range extender.

AITO Interface M5 comes from Celeste pure electric drive range extension platform (DE-i), which contains a 1.5T four-cylinder range extender specially built for the range extension system. It runs very smoothly, and the maximum power generation efficiency can reach 3.2 kW h/L under the action of 41% ultra-high thermal efficiency. In terms of cruising range, the pure battery life of AITO-bound M5 under WLTC condition is 150km. Under the condition of full charge and full oil, the comprehensive battery life under WLTC condition is over 1,100 km, which is superior to all pure electric vehicles. At the same time, the fuel-and-electricity charging method can better meet the needs of users in complex usage scenarios.

Li ONE also uses the extended range platform, but the specifications and structure of the range extender are different from those of AITO M5. It uses a 1.2T three-cylinder range extender. Although the dynamic parameters are good, the inherent structure of the three cylinders is not good for the ride comfort, thus affecting the NVH performance of the whole vehicle. In terms of cruising range, Li ONE’s WLTC has a comprehensive cruising range of 890km, which is far ahead of most pure electric vehicles, although it is far from AITO’s M5, and there is no mileage anxiety.

Power system comparison: all adopt dual-motor four-wheel drive, and AITO asks M5 to accelerate faster.

AITO Interface M5 adopts a dual-motor four-wheel drive scheme, the front axle is equipped with asynchronous AC motor and the rear axle is equipped with permanent magnet synchronous motor. This combination achieves a balance between performance and energy consumption. Under the strong power output, the zero-speed acceleration time of AITO’s flagship version of M5 four-wheel drive reached 4.4 seconds, which led a number of new energy vehicles.

Li ONE also adopts the dual-motor four-wheel drive scheme, but both motors are permanent magnet synchronous motors, with the maximum power of 245kW and the maximum torque of 455N·m, which is not as radical as AITO’s M5, and the acceleration time is 6.5 seconds, which is nearly 2 seconds behind AITO’s M5. This result is also expected. After all, Li ONE is positioned as a medium-and large-sized SUV for home use, which is more suitable for the daddy crowd. Even so, the acceleration performance of Li ONE is compared with that of gasoline at the same price and the same level.

Chassis specification comparison: the lightweight of AITO interface M5 is more in place, and the front suspension is higher.

As a high-end SUV, AITO Wujie M5 adopts an all-aluminum chassis, which is not only lighter but also better in rigidity and strength than the traditional steel chassis. In terms of suspension, AITO M5 also shows sincerity. The front suspension is a double wishbone structure exclusive to luxury cars, which can better restrain the roll and control the corners steadily. The rear suspension is a multi-link structure, which has good shock absorption, can absorb the vibration caused by uneven roads and improve the ride comfort.

Li ONE is a little more expensive than AITO M5, but the chassis material is not as kind as AITO M5. Although there are some aluminum alloy components, the application scope is not wide enough. In terms of suspension, Li ONE’s front suspension is a common McPherson style, which is simple in structure, small in size and more easily accepted by manufacturers. However, the curve limit is not as high as that of the double wishbone, and the rear suspension is also a multi-link structure, so the comfort is guaranteed.

As two representative players in the field of extended-range electric vehicles, both the M5 and Li ONE of AITO have good comprehensive strength, which meets the diversified car demand of users. In terms of the comprehensive cruising range, acceleration performance and chassis specifications, the performance of AITO Jiejie M5 is even better. Considering that its price is also lower than that of Li ONE, AITO Jiejie M5 is more worthy of consumers’ choice based on the car purchase concept of "spending less money to buy a better experience".

　　Our reporter Xiang Yantao

　　After 1003 days of announcing its entry into the electric vehicle industry, Xiaomi Automobile officially made its debut. On December 28th, Xiaomi Group held the Xiaomi Automobile Technology Conference in Beijing. The design, performance, battery life, safety and other details of Xiaomi SU7, the first work of Xiaomi Automobile, made its first public appearance.

　　"Xiaomi decided to invest ten times, start with the underlying core technology, seriously build a good car, and through 15 to 20 years of hard work, become the top five automobile manufacturers in the world and strive for the all-round rise of China’s automobile industry!" Lei Jun, founder, chairman and CEO of Xiaomi Group, said at the scene that Xiaomi Automobile is a major leap for Xiaomi Group from the mobile phone industry to the automobile industry, and it is also a key leap for the complete closed loop of "the whole ecology of people, cars and homes".

　　Lei Jun said that from the beginning, Xiaomi Automobile insisted on starting from the underlying core technology, insisting on positive research and development, and deep self-research on key tracks. At present, Xiaomi Automobile has invested more than 10 billion yuan in the first phase of R&D, and the R&D team has more than 3,400 engineers, including thousands of top technical experts at home and abroad in key fields.

　　This conference officially revealed the progress and breakthrough of five core technologies of Xiaomi Automobile, including electric drive, battery, large die casting, intelligent driving, intelligent cockpit and other key areas, which can be called a comprehensive display of Xiaomi’s 13-year technology accumulation.

　　Among them, in the field of industrial hard technology, Xiaomi has demonstrated the scientific and technological strength of self-developed manufacturing hard core, and has the leading intelligent manufacturing strength of complete automobile industry. For example, the super motor HyperEngine V8s independently developed and produced by Xiaomi has a rotational speed of 27200rpm, ranking first in the world in terms of mass production motor speed; Xiaomi has developed the integrated battery technology of CTB, and the world’s first battery inversion technology has achieved the highest battery integration efficiency of 77.8% in the world. In order to ensure the battery performance and quality from the source, Xiaomi even built its own battery pack factory.

　　In addition, Xiaomi has independently developed "9100t super large die-casting cluster" and self-developed die-casting alloy material "Titan alloy", becoming the only automobile manufacturer in China with self-developed large die-casting and die-casting materials. At present, the industry is winding up the tonnage of clamping force of large die casting. Xiaomi firmly takes the road of full-stack self-research, from self-research materials and equipment cluster systems to finished castings, and has completed the full-stack self-research of almost all links in the large die casting industry chain.

　　In the field of intelligent soft technology, Xiaomi has demonstrated the unique advantages of "technology giant, eco-car-making" and promoted the integration of automobile industry, consumer electronics industry and intelligent ecology. For example, based on Xiaomi 澎湃 OS, Xiaomi intelligent cockpit has realized the bottom reconstruction, evolved for the car, and created an advanced intelligent mobile space; In the field of intelligent driving, Xiaomi industry launched three key technologies, namely adaptive zoom BEV technology, large road model and super-resolution occupation network technology.

　　In addition, the comprehensive empowerment of AI has also become a new bright spot for Xiaomi Automobile to integrate cutting-edge technologies and achieve innovative breakthroughs. For example, in addition to the first road model in the industry, Xiaomi has also developed the world’s first mass-produced "end-to-end perception decision-making model" for the parking service scene of intelligent driving, which can observe and dynamically adjust the parking spaces in mechanical garages and other ultra-difficult parking spaces in real time.

　　Zhang Xiang, director of Vodafone Digital Automobile International Cooperation Research Center, told the Securities Daily that Xiaomi currently adopts the mode of self-purchasing equipment and self-building factories in core areas such as batteries and die casting, which is a common practice in the current industry. For example, Weilai makes its own motors, Tesla has a battery assembly plant, and BYD has mastered the most self-developed technologies for core components. Car companies build their own factories in these fields, on the one hand, because the production capacity of some core components is not very large, the supply chain is not very mature, and outsourcing faces supply chain security problems; On the other hand, the prices of these core components are relatively high and the profits are relatively high. If you choose to build your own factory, you can enjoy the industry dividend. If you outsource it completely, the technical content and profits of Xiaomi Automobile will be greatly reduced.

　　At the end of October this year, Xiaomi announced a comprehensive upgrade of the group’s strategy, from "mobile phone ×AIoT" to "people, cars and homes are all ecological", and cars have become the most important part of Xiaomi Group’s strategy. Lei Jun announced that with the addition of Xiaomi Automobile, Xiaomi’s "full ecology of people and cars" was officially closed.

　　Lei Jun introduced that "the whole ecology of people, cars and homes" is a super-intelligent ecology that comprehensively opens up people, cars and homes, realizes seamless connection and real-time collaboration of hardware equipment, and drives industrial chain partners to create a people-centered and active service. Xiaomi 澎湃 OS has opened up more than 200 categories including Xiaomi Automobile. In the past 13 years, Xiaomi has laid out 12 technical fields and 99 sub-tracks. Based on the principle of "deep integration of soft and hard, comprehensive empowerment of AI", Xiaomi has formed a "fusion technology stack" to continuously empower product development and manufacturing.

　　

[Selected Real Estate 1] Chongming Sanxiang Forest Sea Shang

Real estate review

After smoking this cigarette

Let me briefly outline the advantages of the Sanxiang Forest Haishang: dual -track, Dong Community’s commercial facilities, the entire East community environment, and the quality of Sanxiang. And Sanxiang’s construction site is the most satisfied with what I currently see.

There are buses around for easy travel.

Old driver driving school

I have been to Chongming many times, not many corners, it is still a bit far from the future subway, but it can still be accepted

[Selected Real Estate 2] Blue Lake Bay

Real estate review

ifEng_1489

There are comprehensive shopping malls nearby. Lenovo Computer Stores, Lianhua Supermarket, Jinye Supermarket, Wenfeng Supermarket, Xiufang Supermarket, eating and buying vegetables are very convenient. There are 8 units, with 66.0-118.0 square meters in different areas of different areas of different areas. Choose, take what you need.

ifEng_1073

The greening rate of the community is good, the environment is beautiful, the eyes are full of green, and the living comfort is high.

Chongming is now more and more houses. To be honest, there are a few who work in Shanghai to buy that goes.

[Selected Real Estate II

Real estate review

Editor

1. The kitchen is L -shaped and has a large space area, which is convenient for cooking food and kitchen supplies. 2. The kitchen and toilet have windows, which are convenient for oil fume and odor, and the ventilation is better. 3. The master bedroom is the suite design. In addition to the independent bathroom, there is also a test room, which is convenient for the owner’s life. The privacy is better and the living comfort is high. ; 1. The depth is unreasonable, which will cause the part to be dim and need to turn on the light during the day.

The property fee is 2.5 yuan/square meter and month, and the price is acceptable. It depends on the quality of the service. The average price is about 26647 yuan/㎡.

Little Snail Nica

It is already the existing house. It is close to the Changxing Town Government, and the surrounding foundation is OK.