This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import praw # simple interface to the reddit API, also handles rate limiting of requests | |
import re | |
from collections import deque | |
from time import sleep | |
USERNAME = "Your username here" | |
PASSWORD = "Your password here" | |
USERAGENT = "Your useragent string here. It should include your /u/username as a courtesy to reddit" | |
r = praw.Reddit(USERAGENT) |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
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 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#include <windows.h> | |
#include <stdio.h> | |
// to compile: | |
// cl fileinfo.c setargv.obj | |
void fileinfo(const char*name); | |
int main( int argc, const char* argv[] ) | |
{ | |
int i; |