"Thank you!"

"It's not hard, it's the life I want. After more than 10 years of bullets and bullets, I really can't let go of it! Zhou Chang put down his knife and fork, in fact, he was really a little unaccustomed to eating Western food.

"Call the waiter for a pair of chopsticks." The British waiter naturally couldn't understand Chinese, but Liu Si's words were mainly for Zhou Chang, "You should take a little more time to go home and see!" ”

"We had phone calls every week and the owner was nice to my family. I am relieved to have the boss to take care of me in Hong Kong. "Although this Western steak is not as delicious as Sichuan hot pot, it is much more delicious than the food in Angola during the war.

"The Angolan side has settled down, so let's relax for a while. Your son will be in high school next year, so spend more time with him. Your son is at this age and is in puberty, so you need to communicate with him. Liu Si cared about Zhou Chang very much, and took the trouble to persuade Zhou Chang to go home to accompany his family.

"Well, I'll remember your orders, boss."

"It's not a command, it's a concern as a friend. At the end of this European operation, you will go home for a month to spend time with your family. I will say hello to the Angolan side, and you have been relieved of your post as head of the Angolan Taizheng Security Division. Liu Si preached directly without refusal.

"Okay, after this mission in Europe, I will spend a month with my family." Zhou Chang didn't think much about it, and was very grateful for Liu Si's concern.

"It's better to travel with your family...... Why don't you charter a trip around the world? Liu Si admired his own ideas directly, he had never been so good, "I'll reimburse the expenses!" ”

"Yes, thank you boss." The cost of chartering a flight around the world is quite a lot, and even Zhou Chang, who has an annual salary of several million dollars, can't afford it. Since Liu Si was willing to reimburse and wanted to compensate his family, Zhou Chang did not refuse Liu Si's proposal.

"How is the development of the Sky Eye Intelligence Department in Europe?" Liu Si asked about the situation of Tianyan, the intelligence department under Dazheng Security, as the founder and leader of the Tianyan Intelligence Department, Zhou Chang must know best. This is also why Zhou Chang, who stays well in Africa, appears in London, England.

"Europe, America, Asia, and the Middle East are the four regions and continents that the Sky Eye Intelligence Department focuses on, and the Sky Eye Intelligence Department may not be able to catch up with the MI6, the CIA, the NSA, the FBI, the KGB, and the Mossad...... The intelligence departments of these big countries, but in Europe, the Americas, Asia, and the Middle East, as long as they are given another three years, the intelligence collection capabilities of the Tianyan Intelligence Department in the four regions and continents can be comparable to that of the CIA, NSA, FBI, KGB, and Mossad...... The intelligence services of these great powers. Zhou Chang is very confident and proud of the Tianyan Intelligence Department, after all, the time and funds for the establishment of the Tianyan Intelligence Department are far behind the CIA, NSA, FBI, KGB, and Mossad...... The intelligence services of these great powers.

"Tell me about the specific situation of the Tianyan Intelligence Department!" Liu Si naturally can't eat in the hall when he eats, this is a private room, and there are bodyguards outside, so naturally he doesn't have to be too careful when he speaks.

"The Intelligence Department of Tianyan is currently divided into the Department of European Affairs, the Department of American Affairs, the Department of Asian Affairs and the Department of Middle East Affairs. At present, except for South and Central America, where intelligence is not spread across all countries, Europe, Asia, and the Middle East have already operated third-level intelligence ministries, and even some major countries have operated many fourth-level intelligence ministries. At present, there are 1,231 agents under the jurisdiction of the Tianyan Intelligence Department, 4,598 field personnel, and the value of vehicles, firearms and other resources is about 300 million US dollars. The annual cost of the Tianyan operation department is estimated to be about 1.5 billion US dollars, of course, this is an estimate of the cost without a large number of tasks. Zhou Chang kept in mind the internal information of Tianyan Intelligence in his mind, and came as soon as he opened his mouth, "Boss, the funds spent on the establishment of the Tianyan Intelligence Department before were supported by the income from the sale of mineral resources in the Angolan Dazheng Security sphere of influence, and in the future, the Tianyan Intelligence Department may need your blood transfusion." ”

"No problem, I will put $2 billion into your Swiss account in December, and I will inject $2 billion into Dazheng Security in August next year, I think it's enough!" Liu Si waved his hand and preached unconcernedly.

"That's enough." Zhou Chang was very excited, listening to the boss's words, if there were really 4 billion US dollars, Zhou Chang might have to start thinking about expanding the scale of the Angola branch of Taizheng Security and the scale of the Tianyan Intelligence Department.

"However, the development of the Tianyan Intelligence Department is still not detailed enough, not to mention anything else, at least the Economic Investigation Department should be established. I'm a businessman after all. Liu Si didn't understand the operation and organization of the intelligence agency, but he understood that the current Tianyan Intelligence Department was of little use to him, and the Economic Investigation Department would be an important part of the Tianyan Intelligence Department.

"If I go down, I will organize people to set up an economic investigation department."

"There's no need to be in a hurry, at least in the next few days, the main responsibility of the Tianyan Intelligence Department is to make some electronic engineers and IC designers willing to work for me." Liu Si couldn't help but start using Zhou Chang to accelerate the development of Meizu Electronic Technology.

"No problem! How much? ”

"How's the underground base in Angola doing?"

"Accommodating more than 5,000 people at the same time is no problem!"

"Okay, you can do things according to the limit of this number of people!"

Meizu lacks everything at present, but from difficult to easy, the CPU, internal memory (Memory) and input/output (I/O) devices, the three core components of the computer, are naturally Liu Si's primary goals.

CPUs rely on instructions from computing and control systems, and each CPU is designed with a series of instruction systems that work with its hardware circuitry. The strength of instructions is also an important indicator of the CPU, and the instruction set is one of the most effective tools to improve the efficiency of microprocessors.

At this stage, the mainstream architecture is concerned, and the current CPU classification on the market is mainly divided into two camps, one is the complex instruction set CPU led by intel and AMD, and the other is the reduced instruction set CPU led by IBM and ARM. For example, Intel and AMD's CPUs are x86 architecture, while IBM's CPU is PowerPC architecture, and ARM is ARM architecture.

Intel, AMD, IBM, and ARM, except for ARM, the remaining three are American companies. In terms of CPU, whether it is an architect or an IC designer, Liu Si prepares engineers from intel, AMD, IBM, and ARM for Meizu. Maybe you can't dig up the absolute core, but you can just dig up an engineer who can know the core.

Why is CPU so hard? The CPU mainly consists of combinators (ArithmeticLogic Unit, ALU, ArithmeticLogic Unit) and cache memory (Cache) and the bus (Bus) that realizes the connection between them.

Combinators, cache memory and circuits, these things seem to be only three things, but in fact, combinators and buffer memory are very large scale integrated circuits composed of at least tens of millions of components. And the domestic IC design is simply a weak chicken. Combinators and buffer memory IC designs are mostly based on a large number of miniature electronic components, which may include transistors, resistors, capacitors, diodes, and so on.

The process of IC design is generally as follows: system specification, algorithm analysis or feasibility analysis and function implementation.

But what? Because the CPU is small, it is highly demanding, and the stability can be affected by small changes in voltage and current. Not to mention the design of tens of millions of components, even a few components, the design of which is not easy to get. Even a circuit with 5 or 6 transistors on a plastic base, so that the input has impedance, so that the AC compensation is changed, the voltage difference under DC is changed again, and a capacitor is added, and the entire gain curve is changed. The circuit design of several components is so troublesome, you can imagine what tens of millions of components would do.

As long as there is a large amount of input, then there will be output. But in integrated circuits, it's really difficult. Why? On the basis of determining how to implement, this step is to implement the specific implementation, and the functional implementation is divided into two steps, in fact, these two steps are now carried out in parallel, which two steps are design and verification. Design is to write a VerilogHdl program and then synthesize the circuit, and the verification is to build a verification environment to verify the correctness of the function.

Verification is the most time-consuming, and one of the most maddening things is that verification is only falsifying, which means that I can only guarantee that the errors I have verified are wrong. For example, for a 32-bit adder, you randomly verify many sets of additions without any problems. So do you dare to 100% guarantee that your adder is fine? You don't dare! Because you haven't gone through every set of additions, you can't do it, and as for why you can't do it, you can calculate the time yourself. Of course, the situation is not so bad, and we have some means such as formal verification to ensure the probability that it is correct. The final output of these two steps is a comprehensive circuit netlist, which is used for physical implementation.

Actually, the synthesized circuit netlist is only a theoretical result. Generally speaking, after the circuit netlist of the theoretical results is released, the physical implementation and verification will be carried out. There are generally no major problems in the circuit netlist from the theoretical results, but in terms of power consumption, heat dissipation, process deviation, design convergence, etc., it is certain that the first dozens of versions, hundreds or even thousands of versions must be modified.

And this is not the biggest problem, the biggest problem is that there is no way to achieve physical verification in China, and the embargo of high-end lithography machines, plasma etching machines and other high-precision machines, no one in China can really verify the product.

ONLY SOME OUTDATED LITHOGRAPHY MACHINES, PLASMA ETCHING MACHINES WITH AN ACCURACY OF MORE THAN 1MM CAN BE BOUGHT IN CHINA. Therefore, the production of domestic chips can only be low-end products, the disadvantages of technology are more obvious, the chips produced are relatively rough, and the quality cannot be guaranteed.

Therefore, there is still a lack of a trust mechanism between enterprises, enterprises and users, for manufacturing enterprises, the use of domestic chip design companies often means higher market risks, and the development of the entire industrial chain can not form a joint force. Even from the user's point of view, when they choose a certain electronic product, the familiar parameters are generally from foreign brands.