Put this shell script somewhere in your path and run it by feeding it value/label pairs like this:
$ bars
10 one
20 two
30 three
Latency Comparison Numbers (~2012) | |
---------------------------------- | |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns 3 us | |
Send 1K bytes over 1 Gbps network 10,000 ns 10 us | |
Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD |
L1 cache reference 0.5 ns | |
Branch mispredict 5 ns | |
L2 cache reference 7 ns 14x L1 cache | |
Mutex lock/unlock 25 ns | |
Main memory reference 100 ns 20x L2 cache, 200x L1 cache | |
Compress 1K bytes with Zippy 3,000 ns | |
Send 1K bytes over 1 Gbps network 10,000 ns 0.01 ms | |
Read 1 MB sequentially from memory 250,000 ns 0.25 ms | |
Round trip within same datacenter 500,000 ns 0.5 ms | |
Read 1 MB sequentially from SSD 1,000,000 ns 1 ms 4X memory |
Development Status :: 1 - Planning | |
Development Status :: 2 - Pre-Alpha | |
Development Status :: 3 - Alpha | |
Development Status :: 4 - Beta | |
Development Status :: 5 - Production/Stable | |
Development Status :: 6 - Mature | |
Development Status :: 7 - Inactive | |
Environment :: Console | |
Environment :: Console :: Curses | |
Environment :: Console :: Framebuffer |
This guide is to save other sorry plebs from needing to RTFM in figuring out how to use wget to scrape images from 4chan and other imageboards. There are lots of image downloaders in existence, but they are usually outdated and broken. You will save time following this guide to learn how to use a powerful and general purpose tool instead.
Wget is a command-line file downloader that can handle just about any file downloading task normal and power users will ever need to do. It has versions available for Windows, Mac, and Linux. If it is not already installed on your machine, install it now.
knowledge dump on container runtimes | |
KataContainers | |
- image coupled with kernel | |
- light vm layer | |
- can run in nested virturalization environments if hardware supports and you can enable it in bios (ex. only bare metal EC2 instances, limits many cloud providers) | |
- slower startup time | |
- OCI compliant | |
- previously known as ClearContainers by Intel |