go get -u github.com/kataras/iris

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;

namespace netcore_mvc
{
    public class Program
    {
        public static void Main(string[] args)
        {
            BuildWebHost(args).Run();
        }

        public static IWebHost BuildWebHost(string[] args) =>
            WebHost.CreateDefaultBuilder(args)
                .UseStartup<Startup>()
                .Build();
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using Microsoft.Extensions.Options;

namespace netcore_mvc
{
    public class Startup
    {
        public Startup(IConfiguration configuration)
        {
            Configuration = configuration;
        }

        public IConfiguration Configuration { get; }

        // This method gets called by the runtime. Use this method to add services to the container.
        public void ConfigureServices(IServiceCollection services)
        {
            services.AddMvcCore();
        }

        // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
        public void Configure(IApplicationBuilder app, IHostingEnvironment env)
        {
            app.UseMvc();
        }
    }
}

using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Microsoft.AspNetCore.Mvc;

namespace netcore_mvc.Controllers
{
    // ValuesController is the equivalent
    // `ValuesController` of the Iris 8.3 mvc application.
    [Route("api/[controller]")]
    public class ValuesController : Controller
    {
        // Get handles "GET" requests to "api/values/{id}".
        [HttpGet("{id}")]
        public string Get(int id)
        {
            return "value";
        }

        // Put handles "PUT" requests to "api/values/{id}".
        [HttpPut("{id}")]
        public void Put(int id, [FromBody]string value)
        {
        }

        // Delete handles "DELETE" requests to "api/values/{id}".
        [HttpDelete("{id}")]
        public void Delete(int id)
        {
        }
    }
}

$ cd netcore-mvc
$ dotnet run -c Release
Hosting environment: Production
Content root path: C:\mygopath\src\github.com\kataras\iris\_benchmarks\netcore-mvc
Now listening on: http://localhost:5000
Application started. Press Ctrl+C to shut down..

$ bombardier -c 125 -n 5000000 http://localhost:5000/api/values/5
Bombarding http://localhost:5000/api/values/5 with 5000000 requests using 125 connections
 5000000 / 5000000 [================================================================] 100.00% 2m3s
Done!
Statistics        Avg      Stdev        Max
  Reqs/sec     40226.03    8724.30     161919
  Latency        3.09ms     1.40ms   169.12ms
  HTTP codes:
    1xx - 0, 2xx - 5000000, 3xx - 0, 4xx - 0, 5xx - 0
    others - 0
  Throughput:     8.91MB/s

package main

import (
    "github.com/kataras/iris"
    "github.com/kataras/iris/_benchmarks/iris-mvc/controllers"
)

func main() {
    app := iris.New()
    app.Controller("/api/values/{id}", new(controllers.ValuesController))
    app.Run(iris.Addr(":5000"))
}

package controllers

import "github.com/kataras/iris/mvc"

// ValuesController is the equivalent
// `ValuesController` of the .net core 2.0 mvc application.
type ValuesController struct {
    mvc.Controller
}

// Get handles "GET" requests to "api/values/{id}".
func (vc *ValuesController) Get() {
    // id,_ := vc.Params.GetInt("id")
    vc.Ctx.WriteString("value")
}

// Put handles "PUT" requests to "api/values/{id}".
func (vc *ValuesController) Put() {}

// Delete handles "DELETE" requests to "api/values/{id}".
func (vc *ValuesController) Delete() {}

$ cd iris-mvc
$ go run main.go
Now listening on: http://localhost:5000
Application started. Press CTRL+C to shut down.

$ bombardier -c 125 -n 5000000 http://localhost:5000/api/values/5
Bombarding http://localhost:5000/api/values/5 with 5000000 requests using 125 connections
 5000000 / 5000000 [================================================================] 100.00% 47s
Done!
Statistics        Avg      Stdev        Max
  Reqs/sec    105643.81    7687.79     122564
  Latency        1.18ms   366.55us    22.01ms
  HTTP codes:
    1xx - 0, 2xx - 5000000, 3xx - 0, 4xx - 0, 5xx - 0
    others - 0
  Throughput:    19.65MB/s

$ cd netcore-mvc-templates
$ dotnet run -c Release
Hosting environment: Production
Content root path: C:\mygopath\src\github.com\kataras\iris\_benchmarks\netcore-mvc-templates
Now listening on: http://localhost:5000
Application started. Press Ctrl+C to shut down.

Bombarding http://localhost:5000 with 1000000 requests using 125 connections
 1000000 / 1000000 [===============================================================] 100.00% 1m20s
Done!
Statistics        Avg      Stdev        Max
  Reqs/sec     11738.60    7741.36     125887
  Latency       10.10ms    22.10ms      1.97s
  HTTP codes:
    1xx - 0, 2xx - 1000000, 3xx - 0, 4xx - 0, 5xx - 0
    others - 0
  Throughput:    89.03MB/s

$ cd iris-mvc-templates
$ go run main.go
Now listening on: http://localhost:5000
Application started. Press CTRL+C to shut down.

Bombarding http://localhost:5000 with 1000000 requests using 125 connections
 1000000 / 1000000 [================================================================] 100.00% 37s
Done!
Statistics        Avg      Stdev        Max
  Reqs/sec     26656.76    1944.73      31188
  Latency        4.69ms     1.20ms    22.52ms
  HTTP codes:
    1xx - 0, 2xx - 1000000, 3xx - 0, 4xx - 0, 5xx - 0
    others - 0
  Throughput:   192.51MB/s