38 lines
1.4 KiB
Markdown
38 lines
1.4 KiB
Markdown
---
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aliases:
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tags:
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- maturity/🌱
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date: 2024-11-04
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---
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```
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L1 cache reference ......................... 0.5 ns
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Branch mispredict ............................ 5 ns
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L2 cache reference ........................... 7 ns
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Mutex lock/unlock ........................... 25 ns
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Main memory reference ...................... 100 ns
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Compress 1K bytes with Zippy ............. 3,000 ns = 3 µs
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Send 2K bytes over 1 Gbps network ....... 20,000 ns = 20 µs
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SSD random read ........................ 150,000 ns = 150 µs
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Read 1 MB sequentially from memory ..... 250,000 ns = 250 µs
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Round trip within same datacenter ...... 500,000 ns = 0.5 ms
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Read 1 MB sequentially from SSD* ..... 1,000,000 ns = 1 ms
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Disk seek ........................... 10,000,000 ns = 10 ms
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Read 1 MB sequentially from disk .... 20,000,000 ns = 20 ms
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Send packet CA->Netherlands->CA .... 150,000,000 ns = 150 ms
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```
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![[../../meta/files/images/Pasted image 20241104204304.png]]
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***
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## Мета информация
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**Область**:: [[../../meta/zero/00 Разработка|00 Разработка]]
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**Родитель**::
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**Источник**::
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**Создана**:: [[2024-11-04]]
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**Автор**::
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### Дополнительные материалы
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-
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### Дочерние заметки
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<!-- QueryToSerialize: LIST FROM [[]] WHERE contains(Родитель, this.file.link) or contains(parents, this.file.link) -->
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