milvus/internal/proxy/cgo_util.go
Zhen Ye a773836b89
enhance: optimize milvus core building (#35610)
issue: #35549,#35611,#35633

- remove milvus_segcore milvus_indexbuilder..., add libmilvus_core
- core building only link once
- move opendal compilation into cmake
- fix odr

---------

Signed-off-by: chyezh <chyezh@outlook.com>
2024-08-23 12:35:02 +08:00

77 lines
2.1 KiB
Go

// Licensed to the LF AI & Data foundation under one
// or more contributor license agreements. See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership. The ASF licenses this file
// to you 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
//
// http://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 proxy
/*
#cgo pkg-config: milvus_core
#include "segcore/check_vec_index_c.h"
#include <stdlib.h>
*/
import "C"
import (
"runtime"
"sync"
"unsafe"
"go.uber.org/atomic"
"go.uber.org/zap"
"github.com/milvus-io/milvus-proto/go-api/v2/schemapb"
"github.com/milvus-io/milvus/pkg/log"
"github.com/milvus-io/milvus/pkg/util/conc"
"github.com/milvus-io/milvus/pkg/util/hardware"
)
var (
dp atomic.Pointer[conc.Pool[any]]
dynOnce sync.Once
)
func initDynamicPool() {
dynOnce.Do(func() {
pool := conc.NewPool[any](
hardware.GetCPUNum(),
conc.WithPreAlloc(false),
conc.WithDisablePurge(false),
conc.WithPreHandler(runtime.LockOSThread), // lock os thread for cgo thread disposal
)
dp.Store(pool)
log.Info("init dynamicPool done", zap.Int("size", hardware.GetCPUNum()))
})
}
// GetDynamicPool returns the singleton pool for dynamic cgo operations.
func GetDynamicPool() *conc.Pool[any] {
initDynamicPool()
return dp.Load()
}
func CheckVecIndexWithDataTypeExist(name string, dType schemapb.DataType) bool {
var result bool
GetDynamicPool().Submit(func() (any, error) {
cIndexName := C.CString(name)
cType := uint32(dType)
defer C.free(unsafe.Pointer(cIndexName))
result = bool(C.CheckVecIndexWithDataType(cIndexName, cType))
return nil, nil
}).Await()
return result
}