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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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import akka.actor.Actor | |
import akka.actor.ActorSystem | |
import akka.agent.Agent | |
import com.typesafe.config.ConfigFactory | |
import akka.event.Logging | |
import akka.actor.Props | |
import kafka.utils.Utils | |
import java.nio.ByteBuffer |
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// © 2012 Viktor Klang | |
import akka.dispatch.ExecutionContext | |
import javax.swing.SwingUtilities | |
import java.util.concurrent.Executor | |
// | |
object SwingExecutionContext { | |
implicit val swingExecutionContext: ExecutionContext = ExecutionContext.fromExecutor(new Executor { | |
def execute(command: Runnable): Unit = SwingUtilities invokeLater command |
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// ©2012 Viktor Klang | |
package akka.klang | |
import akka.dispatch.{ DispatcherPrerequisites, ExecutorServiceFactory, ExecutorServiceConfigurator } | |
import com.typesafe.config.Config | |
import java.util.concurrent.{ ExecutorService, AbstractExecutorService, ThreadFactory, TimeUnit } | |
import java.util.Collections | |
import javax.swing.SwingUtilities |
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package scalaz.example | |
object Reader extends App { | |
/** | |
* Manual propagation of the environment (in the example, `contextRoot`.) | |
*/ | |
object Config0 { | |
def fragment1(contextRoot: String) = <a href={contextRoot + "/foo"}>foo</a> |
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