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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 |
sudar@sudar-desktop:~/code/watch/openchronos-ng-modular$ mspdebug rf2500 | |
MSPDebug version 0.18 - debugging tool for MSP430 MCUs | |
Copyright (C) 2009-2011 Daniel Beer <[email protected]> | |
This is free software; see the source for copying conditions. There is NO | |
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. | |
Trying to open interface 1 on 002 | |
rf2500: warning: can't detach kernel driver: No data available | |
Initializing FET... | |
FET protocol version is 30001000 |
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<?php | |
// ... | |
use Doctrine\Common\Collections\ArrayCollection; | |
use Symfony\Component\Form\AbstractType; | |
use Symfony\Component\Form\Extension\Core\Type\CheckboxType; | |
use Symfony\Component\Form\Extension\Core\Type\ChoiceType; | |
use Symfony\Component\Form\Extension\Core\Type\PasswordType; | |
use Symfony\Component\Form\Extension\Core\Type\RepeatedType; |
alias babel-node='babel-node --presets stage-0' | |
------ RECV ------ | |
// babel-node recv2.js "#" | |
// babel-node recv2.js "kern.*" | |
const amqp = require('amqplib'); | |
const args = process.argv.slice(2); | |
if (args.length == 0) { |