text: /*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
  │vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8                                :vi│
  ╞══════════════════════════════════════════════════════════════════════════════╡
  │ Copyright 2020 Justine Alexandra Roberts Tunney                              │
  │                                                                              │
  │ Permission to use, copy, modify, and/or distribute this software for         │
  │ any purpose with or without fee is hereby granted, provided that the         │
  │ above copyright notice and this permission notice appear in all copies.      │
  │                                                                              │
  │ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL                │
  │ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED                │
  │ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE             │
  │ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL         │
  │ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR        │
  │ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER               │
  │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR             │
  │ PERFORMANCE OF THIS SOFTWARE.                                                │
  ╚─────────────────────────────────────────────────────────────────────────────*/
  #include "libc/calls/calls.h"
  #include "libc/calls/kntprioritycombos.internal.h"
  #include "libc/log/log.h"
  #include "libc/nexgen32e/x86feature.h"
  #include "libc/runtime/runtime.h"
  #include "libc/sysv/consts/mlock.h"
  #include "libc/testlib/testlib.h"
  
  double g_avx2_juiceup_doubles_[4] forcealign(32);
  unsigned long long g_avx2_juiceup_quadwords_[4] forcealign(32);
  
  void testlib_benchwarmup(void) {
    /* get mathematical parts of cpu juiced up */
    if (X86_HAVE(AVX2) && X86_HAVE(FMA)) {
      asm("vmovdqa\t%1,%%ymm0\n\t"
          "vpmaddwd\t(%2),%%ymm0,%%ymm0\n\t"
          "vmovdqa\t%%ymm0,%0\n\t"
          "vzeroall"
          : "=m"(g_avx2_juiceup_quadwords_)
          : "m"(g_avx2_juiceup_quadwords_), "r"(&_base[0]));
      asm("vmovapd\t%1,%%ymm1\n\t"
          "vfmadd132pd\t(%2),%%ymm1,%%ymm1\n\t"
          "vmovapd\t%%ymm1,%0\n\t"
          "vzeroall"
          : "=m"(g_avx2_juiceup_doubles_)
          : "m"(g_avx2_juiceup_doubles_), "r"(&_base[32]));
    }
  }
  
  /**
   * Runs all benchmark functions in sorted order.
   *
   * @see BENCH()
   */
  void testlib_runallbenchmarks(void) {
    peekall();
    mlockall(MCL_CURRENT);
    nice(-1);
    g_loglevel = kLogWarn;
    testlib_runtestcases(__bench_start, __bench_end, testlib_benchwarmup);
  }
  