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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 |
Attention: the list was moved to
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package mypackage.web | |
import akka.actor._ | |
import akka.io.IO | |
import akka.pattern.{AskTimeoutException, ask, gracefulStop, pipe} | |
import com.typesafe.scalalogging.slf4j.Logger | |
import javax.inject.Inject | |
import org.slf4j.LoggerFactory | |
import scala.concurrent.duration._ | |
import scala.concurrent.{Await, Future} |