pythonnet/src/perf_tests/PythonCallingNetBenchmark.cs at master · quantfns/pythonnet · GitHub

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using System;

using System.Collections.Generic;

using System.Reflection;

using System.Text;

using BenchmarkDotNet.Attributes;

using Python.Runtime;

namespace Python.PerformanceTests

{

[Config(typeof(BaselineComparisonConfig))]

public class PythonCallingNetBenchmark: BaselineComparisonBenchmarkBase

{

[Benchmark]

public void ReadInt64Property()

{

using (Py.GIL())

{

var locals = new PyDict();

locals.SetItem("a", new NetObject().ToPython());

Exec($@"

s = 0

for i in range(50000):

s += a.{nameof(NetObject.LongProperty)}

", locals: locals);

}

[Benchmark]

public void WriteInt64Property() {

using (Py.GIL()) {

var locals = new PyDict();

locals.SetItem("a", new NetObject().ToPython());

Exec($@"

s = 0

for i in range(50000):

a.{nameof(NetObject.LongProperty)} += i

", locals: locals);

}

static void Exec(string code, PyDict locals)

{

MethodInfo exec = typeof(PythonEngine).GetMethod(nameof(PythonEngine.Exec));

object localsArg = typeof(PyObject).Assembly.GetName().Version.Major >= 3

? locals : locals.Handle;

exec.Invoke(null, new[]

{

code, localsArg, null

});

}

class NetObject

{

public long LongProperty { get; set; } = 42;

}

pythonnet/src/perf_tests/PythonCallingNetBenchmark.cs at master · quantfns/pythonnet · GitHub

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