On 25/11/2020 10:54, Dominique Devienne via Boost-users wrote:
> When I log the time it takes to resolve the server address and connect
> to it, then issue my HTTP request, it takes over 1 second (Win10,
> VS2019, C++17, Release, localhost for both client and server):
> 2020-11-25T09:46:38.506180 Connected in 1.023s
>
> While the same on Linux (RH7.5) is just over 2ms:
> 2020-11-25T09:45:45.517550 Connected in 0.000s
>
> That's a huge difference! Almost 500x...

I can confirm that from libcurl wrapping ASIO, initiating a new HTTPS
connection takes almost the same time whether from Linux or Windows.

int main(int argc, char* argv[])
{
    // Check command line arguments.
    if (argc != 5)
    {
        std::cerr << [...]
            "    http-server-async 0.0.0.0 8080 . 1\n";
        return EXIT_FAILURE;
    }
    auto const address = net::ip::make_address(argv[1]);
[...]
    net::io_context ioc{threads};

    // Create and launch a listening port
    std::make_shared<listener>(
        ioc,
        tcp::endpoint{address, port},
        doc_root)->run();
[...]
    return EXIT_SUCCESS; 

Niall
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