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Code Issues Releases Wiki Activity

TransferableTypeData added (#116)

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This commit is contained in:
Branden Taylor
2019-07-25 11:21:03 -07:00
committed by Andrew Brogdon
parent 2c9314fa6f
commit 479d12e1df
2 changed files with 60 additions and 25 deletions
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79
isolate_example/lib/page_three.dart
View File

@@ -11,10 +11,11 @@
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'dart:typed_data';
import 'dart:isolate';
import 'dart:math';
import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
class DataTransferPageStarter extends StatelessWidget {
@override
@@ -67,7 +68,7 @@ class DataTransferIsolateController extends ChangeNotifier {
SendPort _newIceSP;
final currentProgress = <String>[];
bool running = false;
int runningTest = 0;
Stopwatch _timer = Stopwatch();
double progressPercent = 0;
@@ -93,7 +94,7 @@ class DataTransferIsolateController extends ChangeNotifier {
}
if (message is String && message == 'done') {
running = false;
runningTest = 0;
_timer.stop();
}
@@ -103,25 +104,30 @@ class DataTransferIsolateController extends ChangeNotifier {
void generateOnSecondaryIsolate() {
if (running) return;
running = true;
_timer.reset();
runningTest = 3;
currentProgress.clear();
_timer = Stopwatch();
_timer.start();
_newIceSP.send('start');
notifyListeners();
}
Future<void> generateRandomNumbers() async {
Future<void> generateRandomNumbers(bool transferableTyped) async {
if (running) return;
running = true;
if (transferableTyped) {
runningTest = 2;
} else {
runningTest = 1;
}
Random rng = Random();
_timer = Stopwatch();
currentProgress.clear();
_timer.reset();
_timer.start();
List<int> randNums = [];
@@ -131,11 +137,18 @@ class DataTransferIsolateController extends ChangeNotifier {
for (int j = 0; j < 1000000; j++) {
randNums.add(rng.nextInt(100));
}
if (transferableTyped) {
final transferable =
TransferableTypedData.fromList([Int32List.fromList(randNums)]);
await sendNumbers(transferable);
} else {
await sendNumbers(randNums);
}
}
}
Future<void> sendNumbers(List<int> numList) async {
Future<void> sendNumbers(dynamic numList) async {
return Future<void>(() {
_newIceSP.send(numList);
});
@@ -143,6 +156,8 @@ class DataTransferIsolateController extends ChangeNotifier {
Isolate get newIsolate => _newIsolate;
bool get running => runningTest != 0;
void dispose() {
super.dispose();
_newIsolate?.kill(priority: Isolate.immediate);
@@ -186,17 +201,26 @@ class RunningList extends StatelessWidget {
Future<void> _secondIsolateEntryPoint(SendPort callerSP) async {
ReceivePort newIceRP = ReceivePort();
callerSP.send(newIceRP.sendPort);
int length = 1;
newIceRP.listen(
(dynamic message) async {
if (message is String && message == 'start') {
await generateAndSum(callerSP, createNums());
await generateAndSum(callerSP, createNums(), length);
callerSP.send('done');
} else {
await generateAndSum(callerSP, message as List<int>);
} else if (message is TransferableTypedData) {
await generateAndSum(
callerSP, message.materialize().asInt32List(), length);
length++;
} else if (message is List<int>) {
await generateAndSum(callerSP, message, length);
length++;
}
if (length == 101) {
callerSP.send('done');
length = 1;
}
},
);
@@ -209,16 +233,17 @@ Iterable<int> createNums() sync* {
}
}
Future<void> generateAndSum(SendPort callerSP, Iterable<int> iter) async {
Future<void> generateAndSum(
SendPort callerSP, Iterable<int> iter, int length) async {
int sum = 0;
int count = 0;
int count = 1;
for (int x in iter) {
sum += x;
count++;
if ((count + 1) % 1000000 == 0) {
callerSP.send((count + 1) ~/ 1000000);
if (count % 1000000 == 0) {
callerSP.send((count ~/ 1000000) * length);
}
count++;
}
return sum;
@@ -235,11 +260,25 @@ Widget createButtons(BuildContext context) {
RaisedButton(
child: const Text('Transfer Data to 2nd Isolate'),
elevation: 8.0,
onPressed: controller.generateRandomNumbers,
color: (controller.runningTest == 1)
? Colors.blueAccent
: Colors.grey[300],
onPressed: () => controller.generateRandomNumbers(false),
),
RaisedButton(
child: const Text('Transfer Data with TransferableTypedData'),
elevation: 8.0,
color: (controller.runningTest == 2)
? Colors.blueAccent
: Colors.grey[300],
onPressed: () => controller.generateRandomNumbers(true),
),
RaisedButton(
child: const Text('Generate on 2nd Isolate'),
elevation: 8.0,
color: (controller.runningTest == 3)
? Colors.blueAccent
: Colors.grey[300],
onPressed: controller.generateOnSecondaryIsolate,
),
],

4
platform_view_swift/ios/Runner.xcodeproj/project.pbxproj
View File

@@ -10,7 +10,6 @@
1498D2341E8E89220040F4C2 /* GeneratedPluginRegistrant.m in Sources */ = {isa = PBXBuildFile; fileRef = 1498D2331E8E89220040F4C2 /* GeneratedPluginRegistrant.m */; };
2788264B20CF7D710075B10E /* AppDelegate.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2788264A20CF7D710075B10E /* AppDelegate.swift */; };
2788264D20CF7D790075B10E /* PlatformViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 2788264C20CF7D790075B10E /* PlatformViewController.swift */; };
2D5378261FAA1A9400D5DBA9 /* flutter_assets in Resources */ = {isa = PBXBuildFile; fileRef = 2D5378251FAA1A9400D5DBA9 /* flutter_assets */; };
2DAF064E1ED4224F00716BEE /* ic_add.png in Resources */ = {isa = PBXBuildFile; fileRef = 2DAF064D1ED4224F00716BEE /* ic_add.png */; };
3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */ = {isa = PBXBuildFile; fileRef = 3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */; };
3B80C3941E831B6300D905FE /* App.framework in Frameworks */ = {isa = PBXBuildFile; fileRef = 3B80C3931E831B6300D905FE /* App.framework */; };
@@ -46,7 +45,6 @@
2788264920CF7D700075B10E /* Runner-Bridging-Header.h */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.h; path = "Runner-Bridging-Header.h"; sourceTree = "<group>"; };
2788264A20CF7D710075B10E /* AppDelegate.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = AppDelegate.swift; sourceTree = "<group>"; };
2788264C20CF7D790075B10E /* PlatformViewController.swift */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.swift; path = PlatformViewController.swift; sourceTree = "<group>"; };
2D5378251FAA1A9400D5DBA9 /* flutter_assets */ = {isa = PBXFileReference; lastKnownFileType = folder; name = flutter_assets; path = Flutter/flutter_assets; sourceTree = SOURCE_ROOT; };
2DAF064D1ED4224F00716BEE /* ic_add.png */ = {isa = PBXFileReference; lastKnownFileType = image.png; path = ic_add.png; sourceTree = "<group>"; };
3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.plist.xml; name = AppFrameworkInfo.plist; path = Flutter/AppFrameworkInfo.plist; sourceTree = "<group>"; };
3B80C3931E831B6300D905FE /* App.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = App.framework; path = Flutter/App.framework; sourceTree = "<group>"; };
@@ -88,7 +86,6 @@
children = (
3B80C3931E831B6300D905FE /* App.framework */,
3B3967151E833CAA004F5970 /* AppFrameworkInfo.plist */,
2D5378251FAA1A9400D5DBA9 /* flutter_assets */,
9740EEBA1CF902C7004384FC /* Flutter.framework */,
9740EEB21CF90195004384FC /* Debug.xcconfig */,
7AFA3C8E1D35360C0083082E /* Release.xcconfig */,
@@ -209,7 +206,6 @@
97C147011CF9000F007C117D /* LaunchScreen.storyboard in Resources */,
9740EEB51CF90195004384FC /* Generated.xcconfig in Resources */,
3B3967161E833CAA004F5970 /* AppFrameworkInfo.plist in Resources */,
2D5378261FAA1A9400D5DBA9 /* flutter_assets in Resources */,
9740EEB41CF90195004384FC /* Debug.xcconfig in Resources */,
97C146FE1CF9000F007C117D /* Assets.xcassets in Resources */,
97C146FC1CF9000F007C117D /* Main.storyboard in Resources */,