C

Avec libmicrohttpd (installé depuis un package debian sur Ubuntu 20.04):

Avec ./wrk -d10s -t4:

Requests/sec: 217045.72
Transfer/sec: 31.69MB
Code:

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <time.h>
#include <unistd.h>
#include <microhttpd.h>
static int avatar_location(void * cls, struct MHD_Connection * connection,
 const char * url, const char * method,
 const char * version, const char * upload_data,
 size_t * upload_data_size, void ** ptr) {
 struct MHD_Response * response;
 char location[] = "https://avatar.spacefox.fr/Renard-XXXX.png";
 int ret;
 if (0 != strcmp(method, "GET"))
 return MHD_NO; /* unexpected method */
 response = MHD_create_response_from_buffer(0, NULL, MHD_RESPMEM_PERSISTENT);
 snprintf(&location[34], sizeof(location)-34, "%d.png", rand() % 11);
 MHD_add_response_header(response, "Location", location);
 ret = MHD_queue_response(connection, MHD_HTTP_FOUND, response);
 MHD_destroy_response(response);
 return ret;
}
int main(int argc, char ** argv) {
 struct MHD_Daemon * d;
 if (argc != 2) {
 printf("%s PORT\n", argv[0]);
 return 1;
 }
 srand(time(NULL));
 d = MHD_start_daemon(MHD_USE_THREAD_PER_CONNECTION, atoi(argv[1]),
 NULL, NULL, &avatar_location, NULL, MHD_OPTION_END);
 if (d == NULL)
 return 1;
 (void) getc (stdin);
 MHD_stop_daemon(d);
 return 0;
}

et

gcc main.c -lmicrohttpd -O3 -o ./taptempoweb