willhbr

/**
 * Based on Ben Trengrove's example: https://gist.github.com/bentrengrove/9759a3fbb564d62e1e63f417c58a3895
 */
package units

import java.util.concurrent.TimeUnit

abstract class Unit(val suffix: String, val ratio: Double) {
  internal fun convertToBaseUnit(amount: Double) = amount * ratio
  internal fun convertFromBaseUnit(amount: Double) = amount / ratio

udalov

import java.lang.reflect.*
import kotlin.reflect.KClass
import kotlin.reflect.KType
import kotlin.reflect.KTypeProjection
import kotlin.reflect.KVariance
import kotlin.reflect.full.createType

// --- Interface ---

inline fun <reified T : Any> getKType(): KType =

chinmaygarde

• You need to build the engine from source. Follow the steps at https://github.com/flutter/engine/blob/master/CONTRIBUTING.md#getting-the-code-and-configuring-your-environment
  • You can skip the forking step if you don’t think you will be contributing changes to the engine.
• Once your environment is setup, build the engine in Release mode.
  • $ sky/tools/gn —release
  • $ ninja -C out/Release -j12
• After the long build you will find a Mac application called SkyShell.app in out/Release. This is the generic Flutter application runner. It does not know anything about your dart project yet.
• Create a sample dart project
  • $ flutter init -o mac_hello
• From the command line, launch the SkyShell.app with command line flags telling it where your dart project resides and its package root. On my system I did this:
• $ ./out/Release/SkyShell.app/Contents/MacOS/SkyShell PATH_TO_PROJECT/lib/main.dart --package-root=PATH_TO_PROJECT/packages

apangin

_hashCode                               java/lang/Object.hashCode()I
_getClass                               java/lang/Object.getClass()Ljava/lang/Class;
_clone                                  java/lang/Object.clone()Ljava/lang/Object;
_dabs                                   java/lang/Math.abs(D)D
_dsin                                   java/lang/Math.sin(D)D
_dcos                                   java/lang/Math.cos(D)D
_dtan                                   java/lang/Math.tan(D)D
_datan2                                 java/lang/Math.atan2(DD)D
_dsqrt                                  java/lang/Math.sqrt(D)D
_dlog                                   java/lang/Math.log(D)D

jboner

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