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// gcc avx.c -mavx -std=c99 -O2
// while true; do ./a.out; done > log
// analyze via np.genfromtxt, e.g. min, 10th percentile, median

#include <stdio.h>
#include <string.h>
#include <x86intrin.h>
#include <avxintrin.h>

#define N 3000

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reading sources... [100%] user/vectorize                                                                                                                 
/home/antoine/numba/docs/source/cuda-reference/host.rst:107: WARNING: autodoc: failed to import function 'profile_start' from module 'numba.cuda'; the following exception was raised:
Traceback (most recent call last):
  File "/home/antoine/34/lib/python3.4/site-packages/sphinx/util/inspect.py", line 108, in safe_getattr
    return getattr(obj, name, *defargs)
AttributeError: 'module' object has no attribute 'profile_start'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):

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======================================================================
FAIL: test_extint128.test_to_128
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/pitrou/np/build/testenv/lib/python3.4/site-packages/numpy/core/tests/test_extint128.py", line 61, in exc_iter
    yield iterate()
  File "/home/pitrou/np/build/testenv/lib/python3.4/site-packages/numpy/core/tests/test_extint128.py", line 97, in test_to_128
    assert_equal(b, a)
  File "/home/pitrou/np/build/testenv/lib/python3.4/site-packages/numpy/testing/utils.py", line 354, in assert_equal
    raise AssertionError(msg)

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#!/bin/bash

LTO_CFLAGS="-g -flto -fuse-linker-plugin -ffat-lto-objects -O3"

./configure --enable-ipv6 --with-ensurepip=upgrade \
    CFLAGS="$LTO_CFLAGS" LDFLAGS="$LTO_CFLAGS"

# The following is basically "make profile-opt", but with additional
# flexibility if you want to add e.g. "-j4" when building

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diff --git a/numba/cuda/tests/cudapy/test_record_dtype.py b/numba/cuda/tests/cudapy/test_record_dtype.py
index cbe44c1..a457b04 100644
--- a/numba/cuda/tests/cudapy/test_record_dtype.py
+++ b/numba/cuda/tests/cudapy/test_record_dtype.py
@@ -127,8 +127,11 @@ class TestRecordDtype(unittest.TestCase):
 
         for i in range(self.sample1d.size):
             got = self.sample1d.copy()
-            expect = np.recarray(got.shape, got.dtype)
-            expect[:] = got

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$ nm --defined-only mode.cpython-34m.so 
0000000000206b10 B __bss_start
0000000000003250 t closure_dealloc
0000000000002df0 t closure_traverse
0000000000206600 d ClosureType
0000000000206b40 b completed.7291
00000000000043d0 r .const.Fatal_error:_missing__dynfunc.Closure
0000000000004400 r .const.missing_Environment
0000000000004465 r .const.mode
0000000000205d18 d .const.picklebuf.140270556335688

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# tests for numba-0.21.0-np17py27_363 (this is a generated file)
from __future__ import absolute_import, division, print_function

import sys
import subprocess
from distutils.spawn import find_executable
import shlex

def call_args(string):
    args = shlex.split(string)

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======================================================================
ERROR: test_set_a (__main__.TestRecordDtypeWithStructArrays)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/antoine/numba/numba/cuda/tests/cudapy/test_record_dtype.py", line 144, in test_set_a
    self._test_set_equal(set_a, 3.1415, types.float64)
  File "/home/antoine/numba/numba/cuda/tests/cudapy/test_record_dtype.py", line 138, in _test_set_equal
    pyfunc(expect, i, value)
  File "/home/antoine/numba/numba/cuda/tests/cudapy/test_record_dtype.py", line 12, in set_a
    ary[i].a = v

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======================================================================
ERROR: test_set_a (numba.cuda.tests.cudapy.test_record_dtype.TestRecordDtypeWithStructArrays)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/home/antoine/numba/numba/cuda/tests/cudapy/test_record_dtype.py", line 144, in test_set_a
    self._test_set_equal(set_a, 3.1415, types.float64)
  File "/home/antoine/numba/numba/cuda/tests/cudapy/test_record_dtype.py", line 138, in _test_set_equal
    pyfunc(expect, i, value)
  File "/home/antoine/numba/numba/cuda/tests/cudapy/test_record_dtype.py", line 12, in set_a
    ary[i].a = v

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- disable automatic updates
- disable swapfile
- disable snapshots
- disable hibernation ("powercfg -h off")
- disable periodic defragmentation

Useful tools:
- dexpot
- firefox
- notepad++