Pradeep Fernando pradeepfn

🌴

On vacation

SWE@Pytorch

pradeepfn / latency.txt

Created October 27, 2015 19:33 — forked from jboner/latency.txt

Latency Numbers Every Programmer Should Know

	Latency Comparison Numbers
	--------------------------
	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 4K randomly from SSD* 150,000 ns 0.15 ms

pradeepfn / JMXClient.java

Created November 25, 2012 12:50

Simple JMX client to monitor Carbon Server/any other server

	import com.sun.management.OperatingSystemMXBean;

	import javax.management.*;
	import javax.management.openmbean.CompositeDataSupport;
	import javax.management.remote.JMXConnector;
	import javax.management.remote.JMXConnectorFactory;
	import javax.management.remote.JMXServiceURL;
	import java.io.BufferedWriter;
	import java.io.File;
	import java.io.FileWriter;