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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 |
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#!/usr/bin/python | |
#based on the ideas from http://synack.me/blog/implementing-http-live-streaming | |
# Updates: | |
# - 2024-04-24: Apply suggestions from @Pin80 | |
# Run this script and then launch the following pipeline: | |
# gst-launch videotestsrc pattern=ball ! video/x-raw-rgb, framerate=15/1, width=640, height=480 ! jpegenc ! multipartmux boundary=spionisto ! tcpclientsink port=9999 | |
#updated command line | |
#gst-launch-1.0 videotestsrc pattern=ball ! videoconvert ! video/x-raw, framerate=15/1, width=640, height=480 ! jpegenc ! multipartmux boundary=spionisto ! #tcpclientsink port=9999 | |
from multiprocessing import Queue |
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using System; | |
using System.Collections.Generic; | |
using System.IO; | |
using System.Linq; | |
using System.Text; | |
namespace SuffixTreeAlgorithm | |
{ | |
public class SuffixTree | |
{ |
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@echo off | |
:: Execute the PS1 file with the same name as this batch file. | |
set filename=%~d0%~p0%~n0.ps1 | |
if exist "%filename%" ( | |
PowerShell.exe -NoProfile -NonInteractive -NoLogo -ExecutionPolicy Unrestricted -Command "& '%filename%'" | |
:: Collect the exit code from the PowerShell script. | |
set err=%errorlevel% |
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