Rexicon226

const std = @import("std");

const iterations_per_byte = 1000;
const warmup_iterations = 10;

pub fn main() !void {
    // Pin the process to a single core (1)
    const cpu0001: std.os.linux.cpu_set_t = [1]usize{0b0001} ++ ([_]usize{0} ** (16 - 1));
    try std.os.linux.sched_setaffinity(0, &cpu0001);

Rexicon226

// https://github.com/crossbeam-rs/crossbeam/blob/abf24e1f31a76ef2590688d0c2bb55f82c7410a9/crossbeam-queue/src/seg_queue.rs
const std = @import("std");
const Atomic = std.atomic.Value;
const Allocator = std.mem.Allocator;

pub fn Channel(T: type) type {
    return struct {
        head: Position,
        tail: Position,
        allocator: Allocator,

Rexicon226

// https://github.com/facebook/folly/blob/1c8bc50e88804e2a7361a57cd9b551dd10f6c5fd/folly/memcpy.S
export fn memcpy(maybe_dest: ?[*]u8, maybe_src: ?[*]const u8, len: usize) callconv(.C) ?[*]u8 {
    if (len == 0) {
        @branchHint(.unlikely);
        return maybe_dest;
    }

    const dest = maybe_dest.?;
    const src = maybe_src.?;

Rexicon226

import matplotlib.pyplot as plt
import matplotlib.ticker as tkr  
import pandas as pd

def sizeof_fmt(x, pos):
    if x<0:
        return ""
    for x_unit in ['bytes', 'kB', 'MB', 'GB', 'TB']:
        if x < 1024:
            return "%3.0f %s" % (x, x_unit)

Rexicon226

#!/usr/bin/env python3
import argparse
import tempfile
import subprocess
import os
import sys
from multiprocessing import Pool

SKIP_LINE = 'if (builtin.zig_backend == .stage2_riscv64) return error.SkipZigTest;'
COMMENT = ' // generated by update.py'

Rexicon226

// zig build-exe benchmark.zig -OReleaseFast -lc
// ./benchmark 4096
const std = @import("std");

const allocator = std.heap.c_allocator;

const iterations_per_byte = 1000;
const warmup_iterations = 10;

comptime {