Nexuapex

// Abseil absl::flat_hash_map
// Analysis of the critical path for perfectly predicted load hit.
// https://godbolt.org/z/P_ksaa
//
// x86_64
// Instruction latencies have been entirely ignored.

                                                        #       rdi = desired key
mov             rax, qword ptr [rip + kHashSeed]        # [a00] rax = per-process seed (with entropy)
add             rax, rdi                                # [a01] rax = hash so far

Nexuapex

#include <string.h>

#if defined(__has_attribute)
#if __has_attribute(always_inline)
#define ALWAYS_INLINE __attribute__((always_inline))
#endif
#endif

#if defined(_MSC_VER)
// To reduce debug build overhead:

Nexuapex

#include <xmmintrin.h>
#include <stdint.h>

struct ResourceTable8
{
	uint64_t type_bits_;
	uintptr_t elements_[8];

	inline uint64_t mask_for_type(uint8_t type)
	{

Nexuapex

@echo off
rem = """
rem This is a hybrid batch and Python script. The batch (right here) invokes
rem the Python script and treats its standard output as a list of environment
rem variables to set in the current environment.
rem The -x argument causes the Python interpreter to ignore the first line.
rem The -S argument disables the implicit 'site' package import (speed go fast).
FOR /F "tokens=1,2 delims==" %%v IN ('python -x -S "%~f0" %*') DO SET %%v=%%w
GOTO :eof
"""

Nexuapex

from __future__ import absolute_import

import sys
import threading
import collections


class WorkerPool(object):
    """A thread pool that processes items from an unbounded work queue, for
    simple multi-producer, multi-consumer processes.

Nexuapex

{
	"shell_cmd": "\"%VS120COMNTOOLS%\\..\\..\\VC\\vcvarsall.bat\" amd64 && cl /nologo \"$file\"",
	"file_regex": "^(.*?)\\(([0-9+])(?:,([0-9+]))?\\)\\s+:\\s+(.*)$",
	"working_dir": "${file_path}",
	"selector": "source.c, source.c++"
}

Nexuapex

import socket
create_socket = lambda: socket.socket(socket.AF_INET, socket.SOCK_STREAM, socket.IPPROTO_TCP)

target_port = 49400  # Any port in the ephemeral port range that no process on your machine is using.
port = 0

# Create and bind sockets, working our way through the ephemeral port space, until we get close to our target.
while not (target_port - 5 < port < target_port):
    sock = create_socket()
    sock.bind(('127.0.0.1', 0))

Nexuapex

// Because it was possible to implement std::move and std::forward<T> as library
// functions, so that's what happened. Now this header is everywhere. This is
// 2,800 lines of kitchen sink for me.
#include <utility>

// C++ has half-decent pattern matching, but only on types. If only some of this
// energy could be thrown at language constructs like `switch'.
//
// Oh, right, and this relies on partial specialization, which only works on
// classes. So you get these pointless classes that contain a single typedef.

Nexuapex

#ifndef INLINED_OBJECT_H
#define INLINED_OBJECT_H

#include <string.h>

template <typename T, size_t Size>
class inlined
{
public:
	inlined();

Nexuapex

#include <malloc.h>
#include <windows.h>

static HANDLE FindCrtHeap()
{
    // Pick a block that we know is in the CRT heap.
    //

    _HEAPINFO crtEntry = {};
    if (_HEAPOK != _heapwalk(&crtEntry))