Personal computing power

1. The difference between mining by Sifang computing power users and mining by mining machines purchased by indivials is as follows:
①. Early stage investment: Sifang computing power provides, which saves users this link. Indivial: purchase of mining machine, selection of mining machine model, preparation of power facilities, etc
2. Field equipment: provided by Sifang computing power, users can save this link. Indivial: rental site, mining machine support rack, noise elimination equipment, etc
3. Software assembly: provided by Sifang computing power, users do not need to master professional knowledge. Indivial: learn professional software assembly knowledge or hire a special person to operate
4. Maintenance: Sifang computing professional technical team, all-weather supervision and maintenance. Indivial: employ professionals to supervise and maintain all day long< (5) electricity and electricity charges: professional large chain mines and users do not need to pay electricity charges. Indivial: the power facilities in the residential area are unstable, the price is high, and the cost-benefit of mining is unbalanced< (6) risk taking: users obtain BTC net assets. Indivial: the equipment investment in the early stage is huge, which is easy to form heavy asset operation, and the income and investment in the later stage are likely to be unequal.

2.

The types of chips that provide computing power for AI include GPU, FPGA and ASIC

GPU is a kind of microprocessor specialized in image operation on personal computers, workstations, game machines and some mobile devices (such as tablet computers, smart phones, etc.). It is similar to Cu, except that GPU is designed to perform complex mathematical and geometric calculations, which are necessary for graphics rendering

FPGA can complete any digital device function chip, even high-performance CPU can be implemented with FPGA. In 2015, Intel acquired the FPGA long alter head with us $16.1 billion. One of its purposes is to focus on the development of FPGA's special computing power in the field of artificial intelligence in the future

ASIC refers to the integrated circuits designed and manufactured according to the requirements of specific users or the needs of specific electronic systems. Strictly speaking, ASIC is a special chip, which is different from the traditional general chip. It's a chip specially designed for a specific need. The TPU that Google recently exposed for AI deep learning computing is also an ASIC

extended data:

chips are also called integrated circuits. According to different functions, they can be divided into many kinds, including those responsible for power supply voltage output control, audio and video processing, and complex operation processing. The algorithm can only run with the help of chips, and because each chip has different computing power in different scenarios, the processing speed and energy consumption of the algorithm are also different. Today, with the rapid development of the artificial intelligence market, people are looking for chips that can make the deep learning algorithm perform faster and with lower energy consumption

3. The benefits are the same

4. The reason for computing power contract is that bitcoin mining has become more and more professional, and mining has higher and higher requirements on site and technology. Personal mining has become no longer relaxed and pleasant
therefore, computing power trading platforms like 58hash emerge as the times require. Users only need to purchase computing power, trust computing power to the computing power trading platform, pay a certain maintenance fee, and the computing power hosting platform will uniformly maintain the mining machines, and issue the extracted bitcoin to users on time.

5. 10 yuan to buy mini Miner: 0.18 yuan / day, 180 days
50 yuan to buy small Miner: 1.03 yuan / day, 170 days
250 yuan to buy medium Miner: 5.47 yuan / day, 160 days
1250 yuan to buy large Miner: 33.34 yuan / day, 150 days
6250 yuan to buy giant Miner: 180.58 yuan / day, 140 days
computing power
every miner invested under the umbrella provides computing power for leaders. It must be a mining machine in operation
micro: 1 computing power
small: 5 computing power
medium: 25 computing power
large: 125 computing power
giant: 625 computing power
Dynamic award
1:1 burn: if you proce 3 coins on the same day and a single member under the umbrella proces 5 coins, Then take this member leadership award according to the output of 3 coins

ordinary Miner: need a mining machine in normal operation
enjoy 5% of the output of the first generation on the same day

first level Miner: the computing power reaches 100, directly push three miners
give a small mining machine as a gift< The output of the second generation is 2%

on the same day of starting the second generation

the second level Miner: the calculation power reaches 500, the direct push three first level miners
give a medium-sized miner
3% of the third generation members

the third level Miner: the calculation power reaches 2500, the direct push three second-level miners
give a large miner
4% of the fourth generation members

the fourth level Miner: the calculation power reaches 12500, Direct push three third-class miners
present a giant miner
open 5% of the five generation members

the currency is 0.1 yuan, the issue price
the total amount of coins that can be mined is 10 million
after the total amount of coins mined reaches 5 million, it will go to the exchange.

6.

The distribution of minerals in the survival war game is not very obvious. If you want to dig iron ore, it is suggested that you take the necessary equipment and find a mine to start digging

there are four necessary tools for exploring a mine cave: spade, knife, torch and earth. When you encounter a permeable mine cave, you will feel happy that there are 40 pieces of earth in your tool bar. Then you just need to be careful, quick minded and pay attention to time, It's better to come out early than to die at home when it's dark. If you come out too early, do something else. You'll have a good time digging in the mine. I don't know the time. You'll pick up a pile of mines and be killed by wolves. All the mines will be finished

7.

Star silver ore is above mianlong valley. The search method is as follows:

1. First, you need to start the original God client, as shown in the figure below

8. It's a good idea, but even if you calculate the data step by step, and then combine the data, you must connect multiple devices before. Since you want to connect, there is a problem of delay. Even if it's very small, there is still some, which is of little significance

9. Calculation ability is a basic quality that everyone must have. Cultivating students' calculation ability is an important task of primary school mathematics teaching and an important basis for students to learn mathematics in the future. It is of great value to develop students' calculation ability and let students have a good sense of number. From the test paper of each unit test, the calculation scores account for a large proportion, but the students' calculation loss rate is very high. It can be seen that students' calculation ability is generally low, which undoubtedly causes obstacles to students' learning development. It is very important to improve students' computing ability, so I think it is helpful to cultivate and train students from the following aspects< First, strengthen the practice of oral arithmetic. Oral arithmetic is the basis of written arithmetic and a good way to train thinking agility. Practice shows that most of the calculation problems in real life are solved by oral calculation. In this textbook, the basis of the addition and subtraction method of continuous addition and subtraction is the addition and subtraction method within 20, while the basis of multiplication and division in the table is multiplication. Therefore, in order to improve students' calculation ability, we must strengthen the practice of addition and subtraction within 20 and division within the table, guide students to understand the calculation principle of oral calculation, arrange two or three minutes to practice oral calculation and recite multiplication formula in class every day, and take it as a routine work. The speed and accuracy of children's calculation problems are closely related to each student's oral calculation ability. Therefore, before teaching mathematics, I pay attention to carry out the necessary oral arithmetic exercises for students, basically using the training of listening and watching. Through this intense and orderly training, I arouse students' interest and improve their attention. For some students with poor oral arithmetic ability, I asked them to practice more after class. I believe that as long as they can accumulate over time and keep on doing it, the improvement of students' calculation speed and accuracy will be obvious< In order to make students know how to calculate, it is necessary to make students know how to calculate, that is, to strengthen the understanding of rules and calculation theory. Mathematics curriculum standard clearly points out: "in teaching, we should further cultivate students' sense of number and increase their understanding of the meaning of operation by solving practical problems.". For example, when teaching multiplication: four pencils for each person, how many pencils are there for three people, and how many are the three 4's? The addition is: 4 + 4 + 4 = 12, the multiplication is: 4 × 3=12 For example, when teaching division, how many apples do you get if you give 20 apples to 4 people? Let the students make it clear that 20 means 20 apples to be divided, divisor 4 means 4 people, quotient 5 means 5 apples to be divided, the division is: 20 ÷ 4=5 Therefore, in teaching, teachers should pay attention to the development of intelligence and ability while strengthening the teaching of basic knowledge. On the basis of students' clear calculation principle and mastering the rules, we should do some typical error analysis to further consolidate the calculation principle. In the case that students do not master the rules skillfully, we should not do error analysis to avoid confusion< Thirdly, we should cultivate a certain ability of estimation.
estimation is to make a general inferential estimation of the number of things or the result of formula according to specific conditions and relevant knowledge. To a great extent, it embodies a kind of approximate oral calculation, and estimation is also an important part of computing power. In daily life, there is calculation everywhere, and estimation is indispensable everywhere. And in a sense, the application of estimation has greatly exceeded the accurate calculation, which is a kind of ability for people to talk, judge the size of the number and estimate the results of calculation. Therefore, the estimation ability is an indispensable ability for people's life and learning. For example, after adding addition and subtraction, students can first estimate the number is about a few hundred, and then calculate it in vertical form. The process of estimation can not only make students have a deeper feeling about the size of the number, but also make students make appropriate choice of calculation strategies in the face of real problems. Therefore, estimation is not only the need to solve real problems, but also an effective measure to cultivate students' sense of number.