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[Grammar] 7-10 Questions-Exercises.md
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dendibakh authored Aug 9, 2024
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## Questions and Exercises {.unlisted .unnumbered}

1. Recall all the tools we used in this chapter. Which ones would you use in the following scenarios?
- Scenario 1: the client support team reports a customer issue: after upgrading to a new version of the application, performance of a certain operation drops by 10%.
- Scenario 1: the client support team reports a customer issue: after upgrading to a new version of the application, the performance of a certain operation drops by 10%.
- Scenario 2: the client support team reports a customer issue: some transactions take 2x longer time to finish than usual with no particular pattern.
- Scenario 3: you're evaluating three different compression algorithms and you want to know what are the performance bottlenecks in each of them.
- Scenario 4: there is a new shiny library that claims to be faster than the one you currently have integrated in your project; you've decided to compare their performance.
2. Run the application that you're working with on a daily basis. What is the most appropriate tool for performance analysis of your application according to the improvements you want to make? Practice using this tool.
3. Suppose you run multiple copies of the same program with different inputs on a single machine. Is it enough to profile one of the copies or you need to profile the whole system?
- Scenario 4: there is a new shiny library that claims to be faster than the one you currently have integrated into your project; you've decided to compare their performance.
2. Run the application that you're working with daily. What is the most appropriate tool for performance analysis of your application according to the improvements you want to make? Practice using this tool.
3. Suppose you run multiple copies of the same program with different inputs on a single machine. Is it enough to profile one of the copies or do you need to profile the whole system?

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