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strategy.go
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strategy.go
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//
// Copyright (C) 2019-2020 Vdaas.org Vald team ( kpango, rinx, kmrmt )
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// 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.
//
// Package strategy provides benchmark strategy
package strategy
import (
"context"
"sync/atomic"
"testing"
"github.com/vdaas/vald/hack/benchmark/core/benchmark"
"github.com/vdaas/vald/hack/benchmark/internal/assets"
"github.com/vdaas/vald/hack/benchmark/internal/core"
"github.com/vdaas/vald/internal/errors"
)
type strategy struct {
core32 core.Core32
core64 core.Core64
initCore32 func(context.Context, *testing.B, assets.Dataset) (core.Core32, core.Closer, error)
initCore64 func(context.Context, *testing.B, assets.Dataset) (core.Core64, core.Closer, error)
closer core.Closer
propName string
preProp32 func(context.Context, *testing.B, core.Core32, assets.Dataset) ([]uint, error)
preProp64 func(context.Context, *testing.B, core.Core64, assets.Dataset) ([]uint, error)
mode core.Mode
prop32 func(context.Context, *testing.B, core.Core32, assets.Dataset, []uint, *uint64) (interface{}, error)
prop64 func(context.Context, *testing.B, core.Core64, assets.Dataset, []uint, *uint64) (interface{}, error)
parallel bool
}
func newStrategy(opts ...StrategyOption) benchmark.Strategy {
s := &strategy{
// invalid mode.
mode: core.Mode(100),
}
for _, opt := range append(defaultStrategyOptions, opts...) {
opt(s)
}
return s
}
func (s *strategy) Init(ctx context.Context, b *testing.B, dataset assets.Dataset) error {
b.Helper()
switch s.mode {
case core.Float32:
core32, closer, err := s.initCore32(ctx, b, dataset)
if err != nil {
b.Error(err)
return err
}
s.core32, s.closer = core32, closer
case core.Float64:
core64, closer, err := s.initCore64(ctx, b, dataset)
if err != nil {
b.Error(err)
return err
}
s.core64, s.closer = core64, closer
default:
b.Error(errors.ErrInvalidCoreMode)
return errors.ErrInvalidCoreMode
}
return nil
}
func (s *strategy) PreProp(ctx context.Context, b *testing.B, dataset assets.Dataset) ([]uint, error) {
b.Helper()
switch s.mode {
case core.Float32:
return s.preProp32(ctx, b, s.core32, dataset)
case core.Float64:
return s.preProp64(ctx, b, s.core64, dataset)
default:
return nil, errors.ErrInvalidCoreMode
}
}
func (s *strategy) Run(ctx context.Context, b *testing.B, dataset assets.Dataset, ids []uint) {
b.Helper()
var cnt uint64
b.StopTimer()
b.ReportAllocs()
b.ResetTimer()
b.StartTimer()
defer b.StopTimer()
switch s.mode {
case core.Float32:
b.Run(s.propName, func(bb *testing.B) {
s.float32(ctx, bb, dataset, ids, &cnt)
})
case core.Float64:
b.Run(s.propName, func(bb *testing.B) {
s.float64(ctx, bb, dataset, ids, &cnt)
})
default:
b.Fatal(errors.ErrInvalidCoreMode)
}
}
func (s *strategy) Close() {
s.closer.Close()
}
func (s *strategy) float32(ctx context.Context, b *testing.B, dataset assets.Dataset, ids []uint, cnt *uint64) {
b.Helper()
b.StopTimer()
b.ReportAllocs()
b.ResetTimer()
b.StartTimer()
if s.parallel {
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
_, err := s.prop32(ctx, b, s.core32, dataset, ids, cnt)
if err != nil {
b.Error(err)
}
atomic.AddUint64(cnt, 1)
}
})
} else {
for i := 0; i < b.N; i++ {
_, err := s.prop32(ctx, b, s.core32, dataset, ids, cnt)
if err != nil {
b.Error(err)
}
atomic.AddUint64(cnt, 1)
}
}
b.StopTimer()
}
func (s *strategy) float64(ctx context.Context, b *testing.B, dataset assets.Dataset, ids []uint, cnt *uint64) {
b.Helper()
b.StopTimer()
b.ReportAllocs()
b.ResetTimer()
b.StartTimer()
if s.parallel {
b.RunParallel(func(pb *testing.PB) {
for pb.Next() {
_, err := s.prop64(ctx, b, s.core64, dataset, ids, cnt)
if err != nil {
b.Error(err)
}
atomic.AddUint64(cnt, 1)
}
})
} else {
for i := 0; i < b.N; i++ {
_, err := s.prop64(ctx, b, s.core64, dataset, ids, cnt)
if err != nil {
b.Error(err)
}
atomic.AddUint64(cnt, 1)
}
}
b.StopTimer()
}