Yassine MADDOURI maddouri
maddouri
/ latency.txt
Created
August 1, 2019 20:39
— forked from jboner/latency.txt
Latency Numbers Every Programmer Should Know
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| 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 |
maddouri
/ wget.vbs
Last active
April 18, 2019 21:43
— forked from udawtr/wget.vbs
wget.vbs - similar to wget but written in vbscript
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| 'wget.vbs - similar to wget but written in vbscript | |
| 'based on a script by Chrissy LeMaire | |
| ' alternatively https://stackoverflow.com/a/28143180/865719 | |
| ' bitsadmin /transfer dl_job_name /download /priority normal <url> <absolute/path/to/file> | |
| ' Usage | |
| if WScript.Arguments.Count < 1 then | |
| MsgBox "Usage: wget.vbs <url> (file)" | |
| WScript.Quit |