mirror of
https://github.com/dart-lang/sdk
synced 2024-09-19 14:32:49 +00:00
4d7839dfda
Closes https://github.com/dart-lang/sdk/pull/50787 GitOrigin-RevId: 7cf1129d9bee2a4c1a857767dadae11d81e927f1 Change-Id: Ie7028f94966755d565843b8f6e2590f2243ff937 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/276685 Reviewed-by: Jonas Termansen <sortie@google.com> Commit-Queue: Jonas Termansen <sortie@google.com>
600 lines
13 KiB
Dart
600 lines
13 KiB
Dart
// Copyright (c) 2019, the Dart project authors. Please see the AUTHORS file
|
|
// for details. All rights reserved. Use of this source code is governed by a
|
|
// BSD-style license that can be found in the LICENSE file.
|
|
|
|
// TODO(37581): Generate this file.
|
|
|
|
// Micro-benchmarks for ffi memory stores and loads.
|
|
//
|
|
// These micro benchmarks track the speed of reading and writing C memory from
|
|
// Dart with a specific marshalling and unmarshalling of data.
|
|
|
|
// @dart=2.9
|
|
|
|
import 'dart:ffi';
|
|
import 'dart:typed_data';
|
|
|
|
import 'package:ffi/ffi.dart';
|
|
import 'package:benchmark_harness/benchmark_harness.dart';
|
|
|
|
//
|
|
// Pointer store.
|
|
//
|
|
|
|
void doStoreInt8(Pointer<Int8> pointer, int length) {
|
|
for (int i = 0; i < length; i++) {
|
|
pointer[i] = 1;
|
|
}
|
|
}
|
|
|
|
void doStoreInt8TypedData(Int8List typedData, int length) {
|
|
for (int i = 0; i < length; i++) {
|
|
typedData[i] = 1;
|
|
}
|
|
}
|
|
|
|
void doStoreUint8(Pointer<Uint8> pointer, int length) {
|
|
for (int i = 0; i < length; i++) {
|
|
pointer[i] = 1;
|
|
}
|
|
}
|
|
|
|
void doStoreInt16(Pointer<Int16> pointer, int length) {
|
|
for (int i = 0; i < length; i++) {
|
|
pointer[i] = 1;
|
|
}
|
|
}
|
|
|
|
void doStoreUint16(Pointer<Uint16> pointer, int length) {
|
|
for (int i = 0; i < length; i++) {
|
|
pointer[i] = 1;
|
|
}
|
|
}
|
|
|
|
void doStoreInt32(Pointer<Int32> pointer, int length) {
|
|
for (int i = 0; i < length; i++) {
|
|
pointer[i] = 1;
|
|
}
|
|
}
|
|
|
|
void doStoreUint32(Pointer<Uint32> pointer, int length) {
|
|
for (int i = 0; i < length; i++) {
|
|
pointer[i] = 1;
|
|
}
|
|
}
|
|
|
|
void doStoreInt64(Pointer<Int64> pointer, int length) {
|
|
for (int i = 0; i < length; i++) {
|
|
pointer[i] = 1;
|
|
}
|
|
}
|
|
|
|
void doStoreUint64(Pointer<Uint64> pointer, int length) {
|
|
for (int i = 0; i < length; i++) {
|
|
pointer[i] = 1;
|
|
}
|
|
}
|
|
|
|
void doStoreUintPtr(Pointer<UintPtr> pointer, int length) {
|
|
for (int i = 0; i < length; i++) {
|
|
pointer[i] = 1;
|
|
}
|
|
}
|
|
|
|
void doStoreFloat(Pointer<Float> pointer, int length) {
|
|
for (int i = 0; i < length; i++) {
|
|
pointer[i] = 1.0;
|
|
}
|
|
}
|
|
|
|
void doStoreDouble(Pointer<Double> pointer, int length) {
|
|
for (int i = 0; i < length; i++) {
|
|
pointer[i] = 1.0;
|
|
}
|
|
}
|
|
|
|
void doStorePointer(
|
|
Pointer<Pointer<Int8>> pointer, int length, Pointer<Int8> data) {
|
|
for (int i = 0; i < length; i++) {
|
|
pointer[i] = data;
|
|
}
|
|
}
|
|
|
|
void doStoreInt64Mint(Pointer<Int64> pointer, int length) {
|
|
for (int i = 0; i < length; i++) {
|
|
pointer[i] = 0x7FFFFFFFFFFFFFFF;
|
|
}
|
|
}
|
|
|
|
//
|
|
// Pointer load.
|
|
//
|
|
|
|
int doLoadInt8(Pointer<Int8> pointer, int length) {
|
|
int x = 0;
|
|
for (int i = 0; i < length; i++) {
|
|
x += pointer[i];
|
|
}
|
|
return x;
|
|
}
|
|
|
|
int doLoadInt8TypedData(Int8List typedData, int length) {
|
|
int x = 0;
|
|
for (int i = 0; i < length; i++) {
|
|
x += typedData[i];
|
|
}
|
|
return x;
|
|
}
|
|
|
|
int doLoadUint8(Pointer<Uint8> pointer, int length) {
|
|
int x = 0;
|
|
for (int i = 0; i < length; i++) {
|
|
x += pointer[i];
|
|
}
|
|
return x;
|
|
}
|
|
|
|
int doLoadInt16(Pointer<Int16> pointer, int length) {
|
|
int x = 0;
|
|
for (int i = 0; i < length; i++) {
|
|
x += pointer[i];
|
|
}
|
|
return x;
|
|
}
|
|
|
|
int doLoadUint16(Pointer<Uint16> pointer, int length) {
|
|
int x = 0;
|
|
for (int i = 0; i < length; i++) {
|
|
x += pointer[i];
|
|
}
|
|
return x;
|
|
}
|
|
|
|
int doLoadInt32(Pointer<Int32> pointer, int length) {
|
|
int x = 0;
|
|
for (int i = 0; i < length; i++) {
|
|
x += pointer[i];
|
|
}
|
|
return x;
|
|
}
|
|
|
|
int doLoadUint32(Pointer<Uint32> pointer, int length) {
|
|
int x = 0;
|
|
for (int i = 0; i < length; i++) {
|
|
x += pointer[i];
|
|
}
|
|
return x;
|
|
}
|
|
|
|
int doLoadInt64(Pointer<Int64> pointer, int length) {
|
|
int x = 0;
|
|
for (int i = 0; i < length; i++) {
|
|
x += pointer[i];
|
|
}
|
|
return x;
|
|
}
|
|
|
|
int doLoadUint64(Pointer<Uint64> pointer, int length) {
|
|
int x = 0;
|
|
for (int i = 0; i < length; i++) {
|
|
x += pointer[i];
|
|
}
|
|
return x;
|
|
}
|
|
|
|
int doLoadUintPtr(Pointer<UintPtr> pointer, int length) {
|
|
int x = 0;
|
|
for (int i = 0; i < length; i++) {
|
|
x += pointer[i];
|
|
}
|
|
return x;
|
|
}
|
|
|
|
double doLoadFloat(Pointer<Float> pointer, int length) {
|
|
double x = 0;
|
|
for (int i = 0; i < length; i++) {
|
|
x += pointer[i];
|
|
}
|
|
return x;
|
|
}
|
|
|
|
double doLoadDouble(Pointer<Double> pointer, int length) {
|
|
double x = 0;
|
|
for (int i = 0; i < length; i++) {
|
|
x += pointer[i];
|
|
}
|
|
return x;
|
|
}
|
|
|
|
// Aggregates pointers through aggregating their addresses.
|
|
int doLoadPointer(Pointer<Pointer<Int8>> pointer, int length) {
|
|
Pointer<Int8> x;
|
|
int address_xor = 0;
|
|
for (int i = 0; i < length; i++) {
|
|
x = pointer[i];
|
|
address_xor ^= x.address;
|
|
}
|
|
return address_xor;
|
|
}
|
|
|
|
int doLoadInt64Mint(Pointer<Int64> pointer, int length) {
|
|
int x = 0;
|
|
for (int i = 0; i < length; i++) {
|
|
x += pointer[i];
|
|
}
|
|
return x;
|
|
}
|
|
|
|
//
|
|
// Benchmark fixtures.
|
|
//
|
|
|
|
// Number of repeats: 1000
|
|
// * CPU: Intel(R) Xeon(R) Gold 6154
|
|
// * Architecture: x64
|
|
// * 48000 - 125000 us (without optimizations)
|
|
// * 14 - ??? us (expected with optimizations, on par with typed data)
|
|
const N = 1000;
|
|
|
|
class PointerInt8 extends BenchmarkBase {
|
|
Pointer<Int8> pointer;
|
|
PointerInt8() : super('FfiMemory.PointerInt8');
|
|
|
|
@override
|
|
void setup() => pointer = calloc(N);
|
|
@override
|
|
void teardown() => calloc.free(pointer);
|
|
|
|
@override
|
|
void run() {
|
|
doStoreInt8(pointer, N);
|
|
final int x = doLoadInt8(pointer, N);
|
|
if (x != N) {
|
|
throw Exception('$name: Unexpected result: $x');
|
|
}
|
|
}
|
|
}
|
|
|
|
class PointerInt8TypedDataNew extends BenchmarkBase {
|
|
Pointer<Int8> pointer;
|
|
PointerInt8TypedDataNew() : super('FfiMemory.PointerInt8TypedDataNew');
|
|
|
|
@override
|
|
void setup() {
|
|
pointer = calloc(N);
|
|
}
|
|
|
|
@override
|
|
void teardown() {
|
|
calloc.free(pointer);
|
|
pointer = null;
|
|
}
|
|
|
|
@override
|
|
void run() {
|
|
final typedData = pointer.asTypedList(N);
|
|
doStoreInt8TypedData(typedData, N);
|
|
final int x = doLoadInt8TypedData(typedData, N);
|
|
if (x != N) {
|
|
throw Exception('$name: Unexpected result: $x, expected $N');
|
|
}
|
|
}
|
|
}
|
|
|
|
class PointerInt8TypedDataReuse extends BenchmarkBase {
|
|
Pointer<Int8> pointer;
|
|
Int8List typedData;
|
|
PointerInt8TypedDataReuse() : super('FfiMemory.PointerInt8TypedDataReuse');
|
|
|
|
@override
|
|
void setup() {
|
|
pointer = calloc(N);
|
|
typedData = pointer.asTypedList(N);
|
|
}
|
|
|
|
@override
|
|
void teardown() {
|
|
calloc.free(pointer);
|
|
pointer = null;
|
|
typedData = null;
|
|
}
|
|
|
|
@override
|
|
void run() {
|
|
doStoreInt8TypedData(typedData, N);
|
|
final int x = doLoadInt8TypedData(typedData, N);
|
|
if (x != N) {
|
|
throw Exception('$name: Unexpected result: $x, expected $N');
|
|
}
|
|
}
|
|
}
|
|
|
|
class PointerUint8 extends BenchmarkBase {
|
|
Pointer<Uint8> pointer;
|
|
PointerUint8() : super('FfiMemory.PointerUint8');
|
|
|
|
@override
|
|
void setup() => pointer = calloc(N);
|
|
@override
|
|
void teardown() => calloc.free(pointer);
|
|
|
|
@override
|
|
void run() {
|
|
doStoreUint8(pointer, N);
|
|
final int x = doLoadUint8(pointer, N);
|
|
if (x != N) {
|
|
throw Exception('$name: Unexpected result: $x');
|
|
}
|
|
}
|
|
}
|
|
|
|
class PointerInt16 extends BenchmarkBase {
|
|
Pointer<Int16> pointer;
|
|
PointerInt16() : super('FfiMemory.PointerInt16');
|
|
|
|
@override
|
|
void setup() => pointer = calloc(N);
|
|
@override
|
|
void teardown() => calloc.free(pointer);
|
|
|
|
@override
|
|
void run() {
|
|
doStoreInt16(pointer, N);
|
|
final int x = doLoadInt16(pointer, N);
|
|
if (x != N) {
|
|
throw Exception('$name: Unexpected result: $x');
|
|
}
|
|
}
|
|
}
|
|
|
|
class PointerUint16 extends BenchmarkBase {
|
|
Pointer<Uint16> pointer;
|
|
PointerUint16() : super('FfiMemory.PointerUint16');
|
|
|
|
@override
|
|
void setup() => pointer = calloc(N);
|
|
@override
|
|
void teardown() => calloc.free(pointer);
|
|
|
|
@override
|
|
void run() {
|
|
doStoreUint16(pointer, N);
|
|
final int x = doLoadUint16(pointer, N);
|
|
if (x != N) {
|
|
throw Exception('$name: Unexpected result: $x');
|
|
}
|
|
}
|
|
}
|
|
|
|
class PointerInt32 extends BenchmarkBase {
|
|
Pointer<Int32> pointer;
|
|
PointerInt32() : super('FfiMemory.PointerInt32');
|
|
|
|
@override
|
|
void setup() => pointer = calloc(N);
|
|
@override
|
|
void teardown() => calloc.free(pointer);
|
|
|
|
@override
|
|
void run() {
|
|
doStoreInt32(pointer, N);
|
|
final int x = doLoadInt32(pointer, N);
|
|
if (x != N) {
|
|
throw Exception('$name: Unexpected result: $x');
|
|
}
|
|
}
|
|
}
|
|
|
|
class PointerUint32 extends BenchmarkBase {
|
|
Pointer<Uint32> pointer;
|
|
PointerUint32() : super('FfiMemory.PointerUint32');
|
|
|
|
@override
|
|
void setup() => pointer = calloc(N);
|
|
@override
|
|
void teardown() => calloc.free(pointer);
|
|
|
|
@override
|
|
void run() {
|
|
doStoreUint32(pointer, N);
|
|
final int x = doLoadUint32(pointer, N);
|
|
if (x != N) {
|
|
throw Exception('$name: Unexpected result: $x');
|
|
}
|
|
}
|
|
}
|
|
|
|
class PointerUint32Unaligned extends BenchmarkBase {
|
|
Pointer<Uint32> pointer;
|
|
Pointer<Uint32> unalignedPointer;
|
|
PointerUint32Unaligned() : super('FfiMemory.PointerUint32Unaligned');
|
|
|
|
@override
|
|
void setup() {
|
|
pointer = calloc(N + 1);
|
|
unalignedPointer = Pointer.fromAddress(pointer.address + 1);
|
|
}
|
|
|
|
@override
|
|
void teardown() => calloc.free(pointer);
|
|
|
|
@override
|
|
void run() {
|
|
doStoreUint32(unalignedPointer, N);
|
|
final int x = doLoadUint32(unalignedPointer, N);
|
|
if (x != N) {
|
|
throw Exception('$name: Unexpected result: $x');
|
|
}
|
|
}
|
|
}
|
|
|
|
class PointerInt64 extends BenchmarkBase {
|
|
Pointer<Int64> pointer;
|
|
PointerInt64() : super('FfiMemory.PointerInt64');
|
|
|
|
@override
|
|
void setup() => pointer = calloc(N);
|
|
@override
|
|
void teardown() => calloc.free(pointer);
|
|
|
|
@override
|
|
void run() {
|
|
doStoreInt64(pointer, N);
|
|
final int x = doLoadInt64(pointer, N);
|
|
if (x != N) {
|
|
throw Exception('$name: Unexpected result: $x');
|
|
}
|
|
}
|
|
}
|
|
|
|
class PointerUint64 extends BenchmarkBase {
|
|
Pointer<Uint64> pointer;
|
|
PointerUint64() : super('FfiMemory.PointerUint64');
|
|
|
|
@override
|
|
void setup() => pointer = calloc(N);
|
|
@override
|
|
void teardown() => calloc.free(pointer);
|
|
|
|
@override
|
|
void run() {
|
|
doStoreUint64(pointer, N);
|
|
final int x = doLoadUint64(pointer, N);
|
|
if (x != N) {
|
|
throw Exception('$name: Unexpected result: $x');
|
|
}
|
|
}
|
|
}
|
|
|
|
class PointerUintPtr extends BenchmarkBase {
|
|
Pointer<UintPtr> pointer;
|
|
PointerUintPtr() : super('FfiMemory.PointerUintPtr');
|
|
|
|
@override
|
|
void setup() => pointer = calloc(N);
|
|
@override
|
|
void teardown() => calloc.free(pointer);
|
|
|
|
@override
|
|
void run() {
|
|
doStoreUintPtr(pointer, N);
|
|
final int x = doLoadUintPtr(pointer, N);
|
|
if (x != N) {
|
|
throw Exception('$name: Unexpected result: $x');
|
|
}
|
|
}
|
|
}
|
|
|
|
class PointerFloat extends BenchmarkBase {
|
|
Pointer<Float> pointer;
|
|
PointerFloat() : super('FfiMemory.PointerFloat');
|
|
|
|
@override
|
|
void setup() => pointer = calloc(N);
|
|
@override
|
|
void teardown() => calloc.free(pointer);
|
|
|
|
@override
|
|
void run() {
|
|
doStoreFloat(pointer, N);
|
|
final double x = doLoadFloat(pointer, N);
|
|
if (0.99 * N > x || x > 1.01 * N) {
|
|
throw Exception('$name: Unexpected result: $x');
|
|
}
|
|
}
|
|
}
|
|
|
|
class PointerDouble extends BenchmarkBase {
|
|
Pointer<Double> pointer;
|
|
PointerDouble() : super('FfiMemory.PointerDouble');
|
|
|
|
@override
|
|
void setup() => pointer = calloc(N);
|
|
@override
|
|
void teardown() => calloc.free(pointer);
|
|
|
|
@override
|
|
void run() {
|
|
doStoreDouble(pointer, N);
|
|
final double x = doLoadDouble(pointer, N);
|
|
if (0.99 * N > x || x > 1.01 * N) {
|
|
throw Exception('$name: Unexpected result: $x');
|
|
}
|
|
}
|
|
}
|
|
|
|
class PointerPointer extends BenchmarkBase {
|
|
Pointer<Pointer<Int8>> pointer;
|
|
Pointer<Int8> data;
|
|
PointerPointer() : super('FfiMemory.PointerPointer');
|
|
|
|
@override
|
|
void setup() {
|
|
pointer = calloc(N);
|
|
data = calloc();
|
|
}
|
|
|
|
@override
|
|
void teardown() {
|
|
calloc.free(pointer);
|
|
calloc.free(data);
|
|
}
|
|
|
|
@override
|
|
void run() {
|
|
doStorePointer(pointer, N, data);
|
|
final int x = doLoadPointer(pointer, N);
|
|
if (x != 0 || x == data.address) {
|
|
throw Exception('$name: Unexpected result: $x');
|
|
}
|
|
}
|
|
}
|
|
|
|
class PointerInt64Mint extends BenchmarkBase {
|
|
Pointer<Int64> pointer;
|
|
PointerInt64Mint() : super('FfiMemory.PointerInt64Mint');
|
|
|
|
@override
|
|
void setup() => pointer = calloc(N);
|
|
@override
|
|
void teardown() => calloc.free(pointer);
|
|
|
|
@override
|
|
void run() {
|
|
doStoreInt64Mint(pointer, N);
|
|
final int x = doLoadInt64Mint(pointer, N);
|
|
// Using overflow semantics in aggregation.
|
|
if (x != -N) {
|
|
throw Exception('$name: Unexpected result: $x');
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// Main driver.
|
|
//
|
|
|
|
void main() {
|
|
final benchmarks = [
|
|
() => PointerInt8(),
|
|
() => PointerInt8TypedDataNew(),
|
|
() => PointerInt8TypedDataReuse(),
|
|
() => PointerUint8(),
|
|
() => PointerInt16(),
|
|
() => PointerUint16(),
|
|
() => PointerInt32(),
|
|
() => PointerUint32(),
|
|
() => PointerUint32Unaligned(),
|
|
() => PointerInt64(),
|
|
() => PointerInt64Mint(),
|
|
() => PointerUint64(),
|
|
() => PointerUintPtr(),
|
|
() => PointerFloat(),
|
|
() => PointerDouble(),
|
|
() => PointerPointer(),
|
|
];
|
|
for (final benchmark in benchmarks) {
|
|
benchmark().report();
|
|
}
|
|
}
|