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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package flat
import (
"sync"
)
const defaultSize = 200
type pools struct {
byteSlicePool *slicePool[byte]
uint64SlicePool *slicePool[uint64]
float32SlicePool *slicePool[float32]
}
func newPools() *pools {
return &pools{
byteSlicePool: newSlicePool[byte](),
uint64SlicePool: newSlicePool[uint64](),
float32SlicePool: newSlicePool[float32](),
}
}
type slicePool[T any] struct {
pool *sync.Pool
}
type SliceStruct[T any] struct {
slice []T
}
func newSlicePool[T any]() *slicePool[T] {
return &slicePool[T]{
pool: &sync.Pool{
New: func() interface{} {
return &SliceStruct[T]{
slice: make([]T, defaultSize),
}
},
},
}
}
func (p *slicePool[T]) Get(capacity int) *SliceStruct[T] {
t := p.pool.Get().(*SliceStruct[T])
if cap(t.slice) < capacity {
t.slice = make([]T, capacity)
}
t.slice = t.slice[:capacity]
return t
}
func (p *slicePool[T]) Put(t *SliceStruct[T]) {
p.pool.Put(t)
}
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