guilhermeleobas

taken from here:
http://stackoverflow.com/questions/4963171/mysql-server-startup-error-the-server-quit-without-updating-pid-file

1. kill all instances of mysql

2. check ownership for (/usr/local/var/mysql/):
  ls -laF /usr/local/var/mysql/

3. give permissions to mysql
  sudo chown -R mysql /usr/local/var/mysql/

guilhermeleobas

# prompt style and colors based on Steve Losh's Prose theme:
# http://github.com/sjl/oh-my-zsh/blob/master/themes/prose.zsh-theme
#
# vcs_info modifications from Bart Trojanowski's zsh prompt:
# http://www.jukie.net/bart/blog/pimping-out-zsh-prompt
#
# git untracked files modification from Brian Carper:
# http://briancarper.net/blog/570/git-info-in-your-zsh-prompt

export VIRTUAL_ENV_DISABLE_PROMPT=1

guilhermeleobas

{
    "machines": {
        "1a5ef689c8a64626b3f37561cbee5fbf": {
            "extra_data": {
                "box": {
                    "name": "generic/alpine37",
                    "provider": "virtualbox",
                    "version": "1.6.0"
                }
            },

guilhermeleobas

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import pandas as pd"
   ]

guilhermeleobas

guilhermeleobas

Assuming one has clang at /usr/lib/llvm-x.y/bin. Clang with LTO support can be compiled using the commands below:

cmake .. -GNinja \
-DCMAKE_BUILD_TYPE=Debug \
-DLLVM_TARGETS_TO_BUILD="X86" \
-DLLVM_ENABLE_LTO="Thin" \
-DLLVM_USE_LINKER="lld" \
-DCMAKE_C_COMPILER="/usr/lib/llvm-6.0/bin/clang" \
-DCMAKE_CXX_COMPILER="/usr/lib/llvm-6.0/bin/clang++" \
-DCMAKE_RANLIB="/usr/lib/llvm-6.0/bin/llvm-ranlib" \

guilhermeleobas

// Inter Optimization
void matrix_mul(float *restrict a, float *restrict b, float *restrict c, int n){
    bool sampling_result = sampling(a, b, c, n);
    if (sampling_result){
        // code with load elimination
        for (int i=0; i<n; i++){
            for (int j=0; j<n; j++){
                for (int k=0; k<n; k++){
                    float t0 = a[i][k];
                    if (t0){

guilhermeleobas

guilhermeleobas

diff --git a/numba/core/codegen.py b/numba/core/codegen.py
index 41721ea21..07531de1b 100644
--- a/numba/core/codegen.py
+++ b/numba/core/codegen.py
@@ -495,6 +495,25 @@ class JITCodeLibrary(CodeLibrary):
         self._codegen._scan_and_fix_unresolved_refs(self._final_module)
         self._codegen._engine.finalize_object()
 
+class DummyRuntimeLinker(object):
+    """

guilhermeleobas

from __future__ import print_function

from ctypes import * 
import numpy as np
import struct

import llvmlite.binding as llvm


# All these initializations are required for code generation!