


Collaborative application of golang function cache and machine learning
In machine learning, function caching can significantly reduce model prediction and training time. Commonly used Golang function caching libraries include Memcached client, Redis client and local memory cache BigCache. By storing the function call results in the cache, the function can obtain the results directly from the cache without re-executing, thereby improving execution efficiency, reducing server load, and shortening response time. However, it should be noted that the cached function must be deterministic, and the cache size should be adjusted according to actual needs to avoid excessive memory consumption.
Collaborative application of Golang function cache and machine learning
In the development and deployment of machine learning models, performance optimization is crucial important. Function caching is a technology that improves function execution efficiency, which can significantly shorten the time of model prediction.
Function caching principle
The basic principle of function caching is to store the result of a function call in memory, so that when the function is called again, it can be retrieved from the cache Get the result directly without re-executing the function.
Golang function cache library
In Golang, there are multiple function cache libraries to choose from, the commonly used ones are:
- github.com/bradfitz/gomemcache:Memcached client
- github.com/go-redis/redis:Redis client
- github .com/allegro/bigcache:Local memory cache
Practical case
The following is a usage [github.com/allegro/bigcache]( https://github.com/allegro/bigcache) Practical case for implementing Golang function cache:
package main import ( "context" "time" "github.com/allegro/bigcache" ) // 这是一个要缓存的函数 func myFunc(value string) string { return "result: " + value } func main() { // 创建缓存实例 cache, err := bigcache.NewBigCache(bigcache.DefaultConfig(time.Minute)) if err != nil { panic(err) } // 设置缓存键值 if err = cache.Set("my_key", myFunc("cached_value")); err != nil { panic(err) } // 从缓存中获取值 value, err := cache.Get("my_key") if err == bigcache.ErrEntryNotFound { // 缓存中没有找到值,重新执行函数并缓存结果 value, err = myFunc("uncached_value") if err != nil { panic(err) } if err = cache.Set("my_key", value); err != nil { panic(err) } } else if err != nil { panic(err) } // 使用缓存后的值 println(string(value)) // 使用 context 进行缓存清理 ctx, cancel := context.WithTimeout(context.Background(), time.Second*10) defer cancel() cache.Delete("my_key") }
Application in machine learning
In machine learning, functions Caching can be used to:
- Cache the prediction results of the model, thereby reducing the time of model call
- Cache the preprocessing results of the model training data set, thereby speeding up training
- Cache the optimization results of model hyperparameters to speed up the model parameter adjustment process
Advantages
- Improve execution Efficiency
- Reduce server load
- Shorten response time
Notes
- The cached function must be Deterministic, i.e. a given input always produces the same result.
- The cache size should be adjusted according to actual needs.
- Excessive caching may cause increased memory consumption.
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