Xueba's computing system

Chapter 5 Appreciation?

That’s right! Even for original code, the starting point is still: copy + paste.

The more code Lin Yuan wrote, the more he found himself inseparable from Ctrl C+V.

Lin Yuan glanced out of the corner of his eye and saw some people in the classroom carefully typing one character at a time on their laptop screens.

He couldn't help but shake his head slightly in his heart. Because if it was written this way, he wouldn't just stay for a midnight snack, he could also have breakfast tomorrow.

Neural networks involve a large number of matrix calculation processes. Lin Yuan felt a headache just thinking about typing them character by character.

Writing code is essentially like building blocks. When you write enough code, you will naturally realize this.

Lin Yuan also experienced this from the high-intensity training in the past six months.

Thinking back to half a year ago, typing code was just like typing English words.

Since we are playing with building blocks, it is inevitable that we will reuse the same building blocks. So we have to copy and paste.

Therefore, originality and copy + paste are actually not in conflict at all.

Many people in this classroom still failed at the stage of basic knowledge and question analysis.
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Three hours passed quickly.

The fan of Lin Yuan's antique T440 was still whirring, but fortunately the error in the training results was still slowly decreasing by 0.01%.

At this moment, Lin Yuan was confident, yet a little nervous.

Because he looked around and found that there were few people in the classroom with signs of data being trained on their laptop screens.

This made him feel somewhat proud, but he still felt uneasy because of the long-standing unaffordability of the prestigious school.

"If you feel confident, take your notebook to the first classroom on the east side and wait for review." Professor Zhang appeared again and left a very brief sentence.

Apparently some students were very dissatisfied with this examination method, "Teacher, aren't you being too careless?"

Professor Zhang stopped and said, "Student, believe me, you will thank me in the future. Because I helped you avoid wasting time on things that you are not interested in or not good at." After saying that, Professor Zhang turned around and was about to leave.

"Teacher, I'm going to complain to you."

"Naughty kid." Professor Zhang ignored him and continued his uncaring pace.

Lin Yuan naturally had to attend the review. However, the battery health of his antique laptop was too low, and it would run out of power in a matter of minutes after unplugging the power cord. Moreover, his laptop was still running a very power-consuming model training.

Lin Yuan was afraid that he would die on the spot after unplugging his laptop, and then he would be fucking dead.

However, if he terminated the model training and saved the data immediately, Lin Yuan was afraid that the accuracy of the training would not be high enough, which would affect his assessment ranking.

So, when Professor Zhang was about to step out of the classroom, Lin Yuan had no choice but to bite the bullet and say, "Professor Zhang, wait a minute."

"Oh?" Professor Zhang stopped walking after looking back. "I have an impression of you. The questions you asked in the conference room just now were concise and to the point. Could it be that you want to complain about me too?"

Lin Yuan quickly explained, "No, no, no, why would I complain about you? It's just... I want to ask, are you the examiner?"

"Of course I'm one of the examiners." "It's like this, my laptop is too old, and I'm using the CPU to run the training. Can I go to the interview session later?" Lin Yuan wanted the training to be more effective, but was worried that it would affect the subsequent interview.

"You..." Professor Zhang was a little surprised. "You are openly asking the examiner to extend the exam time? Where do you have the courage to say that?"

Lin Yuan hurriedly explained, "No. What I mean is: my code is sealed, and I have just committed it. I will not change a word, just to let my model run for a little longer. You see, the error rate is still steadily decreasing."

Commit refers to code submission.

Every time the code is submitted, there will be a record. Once it is submitted, if Lin Yuan changes the code again, it will be clear at a glance. This is basic knowledge for IT professionals.

Professor Zhang temporarily accepted Lin Yuan's explanation, and at the same time, he was aroused with a hint of curiosity. "Come, let me see."

Professor Zhang then moved closer to Lin Yuan's laptop screen and said, "The error is decreasing steadily, without any fluctuations. But your computer is too..."

Lin Yuan smiled awkwardly with some embarrassment.

Perhaps Professor Zhang saw something from Lin Yuan's clothes, so he did not finish what he just said. Instead, he stood up and said softly, "You continue here. I will send someone to call you later."

The stern old man softened a lot in an instant. Without saying anything more to Lin Yuan, Professor Zhang disappeared at the door.

The next period of time is just boring waiting.

The speed of model training depends entirely on the performance of the machine. At this moment, Lin Yuan has nothing to do except staring at his notebook in a daze.

He thought he needed to explain a few more things to Professor Zhang, but he didn't expect the other party to agree to his request right away.

After committing the code, you can record the code, but the commit must be submitted to the public network. Lin Yuan just submitted the code to his own code repository on GitHub.

Because only by submitting to the public network can we ensure that the commit record of the code is safe and reliable. If it is only submitted locally, there are still some tricks to modify the commit record. For example: secretly change the time on the notebook to an earlier time, before the end of the assessment.

Lin Yuan originally intended to emphasize to Professor Zhang that he had submitted the code to GitHub, but the other party did not ask any more questions.

Lin Yuan would never think that a computer science professor at a prestigious university would not know the ins and outs of code commit.

Is it because of his admiration for me? But, the two of them just met once.

Lin Yuan couldn't care less for the moment, his attention was all on the running records printed out by the console. The lower the error rate, the higher the accuracy, and the higher the assessment ranking.

At first, Lin Yuan was still worried that it would be his turn soon, which would prevent him from achieving the best results in model training.

However, about ten minutes later, he began to worry again: Could it be that Professor Zhang had forgotten about him?
Was that casual promise just now made out of admiration or was it just a casual resignation?

Lin Yuan was a little confused. After thinking for a while, he decided to stop the training and save the data, and then rushed to the classroom for the interview to take a look.
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The interview classroom was on the same floor, and Lin Yuan arrived there quickly.

I estimated that about half of the people were left. Everyone was waiting at the door of this windowless and tightly closed classroom, just like attending a graduation defense, waiting for their number to be called.

Based on Lin Yuan's experience of participating in graduation defense, even in his ordinary alma mater, each defense took more than ten to twenty minutes. With the current number of people on the scene and only one interview classroom, the time seemed a bit insufficient.

Soon, Lin Yuan's concerns were dispelled.

(End of this chapter)