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abdullh.alsoleman
Front-End
Commits
d88212c8
Unverified
Commit
d88212c8
authored
Jun 16, 2022
by
gaaclarke
Committed by
GitHub
Jun 16, 2022
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Plain Diff
added microbenchmark for loading assets (#105982)
parent
7bad4eb9
Changes
2
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2 changed files
with
48 additions
and
0 deletions
+48
-0
platform_asset_bundle.dart
...microbenchmarks/lib/foundation/platform_asset_bundle.dart
+47
-0
microbenchmarks.dart
dev/devicelab/lib/tasks/microbenchmarks.dart
+1
-0
No files found.
dev/benchmarks/microbenchmarks/lib/foundation/platform_asset_bundle.dart
0 → 100644
View file @
d88212c8
// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import
'package:flutter/services.dart'
show
PlatformAssetBundle
;
import
'package:flutter/widgets.dart'
;
import
'../common.dart'
;
const
int
_kBatchSize
=
100
;
const
int
_kNumIterations
=
100
;
void
main
(
)
async
{
assert
(
false
,
"Don't run benchmarks in debug mode! Use 'flutter run --release'."
);
final
BenchmarkResultPrinter
printer
=
BenchmarkResultPrinter
();
WidgetsFlutterBinding
.
ensureInitialized
();
final
Stopwatch
watch
=
Stopwatch
();
final
PlatformAssetBundle
bundle
=
PlatformAssetBundle
();
final
List
<
double
>
values
=
<
double
>[];
for
(
int
j
=
0
;
j
<
_kNumIterations
;
++
j
)
{
double
tally
=
0
;
watch
.
reset
();
watch
.
start
();
for
(
int
i
=
0
;
i
<
_kBatchSize
;
i
+=
1
)
{
// Note: We don't load images like this. PlatformAssetBundle is used for
// other assets (like Rive animations). We are using an image because it's
// conveniently sized and available for the test.
tally
+=
(
await
bundle
.
load
(
'packages/flutter_gallery_assets/places/india_pondicherry_salt_farm.png'
)).
lengthInBytes
;
}
watch
.
stop
();
values
.
add
(
watch
.
elapsedMicroseconds
.
toDouble
()
/
_kBatchSize
);
if
(
tally
<
0.0
)
{
print
(
"This shouldn't happen."
);
}
}
printer
.
addResultStatistics
(
description:
'PlatformAssetBundle.load 1MB'
,
values:
values
,
unit:
'us per iteration'
,
name:
'PlatformAssetBundle_load_1MB'
,
);
printer
.
printToStdout
();
}
dev/devicelab/lib/tasks/microbenchmarks.dart
View file @
d88212c8
...
...
@@ -62,6 +62,7 @@ TaskFunction createMicrobenchmarkTask() {
...
await
runMicrobench
(
'lib/foundation/all_elements_bench.dart'
),
...
await
runMicrobench
(
'lib/foundation/clamp.dart'
),
...
await
runMicrobench
(
'lib/foundation/change_notifier_bench.dart'
),
...
await
runMicrobench
(
'lib/foundation/platform_asset_bundle.dart'
),
...
await
runMicrobench
(
'lib/foundation/standard_method_codec_bench.dart'
),
...
await
runMicrobench
(
'lib/foundation/standard_message_codec_bench.dart'
),
...
await
runMicrobench
(
'lib/foundation/timeline_bench.dart'
),
...
...
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