BillyONeal

cl /Zi /std:c++latest /MD /EHsc /O2 /openmp .\openmp.cpp
cl /Zi /std:c++latest /MD /EHsc /O2 .\parallel_for_each_comparative.cpp
cl /D_HAS_AUTO_PTR_ETC=1 /std:c++latest /MD /EHsc /O2 /IC:\Users\bion\Desktop\vcpkg-export-20170608-100432\installed\x86-windows\include .\hpx_for_each.cpp /link /libpath:C:\Users\bion\Desktop\vcpkg-export-20170608-100432\installed\x86-windows\lib hpx.lib hpx_init.lib boost_program_options-vc140-mt-1_64.lib boost_system-vc140-mt-1_64.lib boost_timer-vc140-mt-1_64.lib boost_date_time-vc140-mt-1_64.lib boost_thread-vc140-mt-1_64.lib


PS TEST WCFB01 C:\Users\bion\Desktop>.\parallel_for_each_comparative.exe
Testing sequential
A[70] is 1
Sequential took 2874ms

BillyONeal

#include <hpx/hpx.hpp>
#include <hpx/hpx_init.hpp>
#include <hpx/parallel/algorithms/for_each.hpp>

#include <stdio.h>
#include <chrono>
#include <cstddef>
#include <iterator>
#include <vector>
#include "stopwatch.hpp"

BillyONeal

		// TEMPLATE FUNCTION inplace_merge WITH PRED
		// The "usual invariants" for the inplace_merge helpers below are:
		// [_First, _Mid) and [_Mid, _Last) are sorted
		// _Pred(*_Mid, *_First)             note: this means *_Mid is the "lowest" element
		// _Pred(*prev(_Last), *prev(_Mid))  note: this means *prev(_Mid) is the "highest" element
		// _Count1 == distance(_First, _Mid)
		// _Count2 == distance(_Mid, _Last)
		// _Count1 > 1
		// _Count2 > 1
template<class _BidIt> inline

BillyONeal

		// STACK TRACE FUNCTIONS
_VCP_STATIC_ASSERT(_STD is_same<
	decltype(__std_async_capture_stack_trace),
	decltype(RtlCaptureStackBackTrace)
	>::value);


		// THREADPOOL FUNCTIONS
struct _Legacy_threadpool_thunk_data
	{

BillyONeal

	// PARALLEL FUNCTION TEMPLATE reverse
template<class _BidIt>
	struct _Reverse_partition
	{
	_BidIt _First;
	_BidIt _Stop_at;
	_BidIt _Last;
	};

template<class _BidIt,

BillyONeal

#include <hpx/hpx.hpp>
#include <hpx/hpx_init.hpp>
#include <hpx/parallel/algorithms/reverse.hpp>

#include <algorithm>
#include <execution>
#include <functional>
#include <random>
#include <vector>
#include "stopwatch.hpp"

BillyONeal

		// STRUCT TEMPLATE _Static_partition_set
template<class _FwdIt>
	struct _Iterator_range
	{	// record of a partition of work
	_FwdIt _First;
	_FwdIt _Last;

	explicit operator bool() const
		{
		return (_First != _Last);

BillyONeal

// /********************************************************
// *                                                       *
// *   Copyright (C) Microsoft. All rights reserved.       *
// *                                                       *
// ********************************************************/

namespace Runall.CLI
{
    using System;
    using System.Runtime.InteropServices;

BillyONeal

; Function compile flags: /Ogtpy
;	COMDAT _append_char
_TEXT	SEGMENT
tv636 = -4						; size = 4
__New_ptr$1$ = 8					; size = 4
_x$ = 8							; size = 4
_append_char PROC					; COMDAT
; File c:\users\bion\desktop\test.cpp
; Line 3
  00000	51		 push	 ecx

BillyONeal

		// PARALLEL FUNCTION TEMPLATES remove AND remove_if
template<class _InIt,
	class _OutIt,
	class _Pr>
	_OutIt _Remove_move_if_unchecked(_InIt _First, const _InIt _Last, _OutIt _Dest, _Pr _Pred)
	{	// move omitting each element satisfying _Pred
	for (; _First != _Last; ++_First)
		{
		if (!_Pred(*_First))
			{