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RUSTFLAGS='-C target-feature=+crt-static' cargo build --release --target x86_64-unknown-linux-gnu

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/// Tower equaliser: givern list of tower heights return the minimum number
/// of moves required to obtain tower of the same height or return "No solution"
fn towers(t: &[u32]) -> Option<u32> {
    let mut moves: u32 = 0;
    let mut n = t.to_vec();
    let max_moves: u32 = n.iter().sum();
    loop {
        let imax = match n.iter().enumerate().max_by(|&(_, x), &(_, y)| x.cmp(&y)) {
            Some((m, _)) => m,
            _ => usize::MIN,

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[package]
name = "rocket_reqw"
version = "0.1.0"
edition = "2021"

# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html

[dependencies]
rocket = "0.4"
serde = {version = "1", features = ["derive"]}

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// Author: Ugo Varetto
// Implementation of task-based concurrency (similar to Java's Executor)
// and wrapper for concurrent access

// g++ task-based-executor-concurrent-generic.cpp -std=c++11 -pthread

#include <algorithm>
#include <chrono>
#include <condition_variable>
#include <cstdlib>  //EXIT_*

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let offset = 20000;
let chunk_size = 10000;

// File handle:
let mut handle = BufReader::new(File::open("data.bin").await?);

// Set cursor to needed chunk:
let mut chunk_stream = handle
    .bytes()
    .skip(offset)

ugovaretto

#include <chrono>
#include <condition_variable>
#include <iostream>
#include <thread>

class Barrier {
   public:
    Barrier(uint32_t count) : threadCount(count), counter(0), waiting(0) {}

    void wait() {

ugovaretto

#!/usr/bin/env bash
du -sch .[!.]* * | sort -h

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// Author: Ugo Varetto
// buffer allocation performance tests: vector, vector+pod allocator (same as
// vector), raw aligned buffer (faster)

#include <sys/mman.h>
#include <unistd.h>

#include <cstdlib>
#include <ctime>
#include <iostream>

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/*******************************************************************************
 * BSD 3-Clause License
 *
 * Copyright (c) 2020, Ugo Varetto
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions inputFile source code must retain the above copyright

ugovaretto

/*******************************************************************************
 * BSD 3-Clause License
 *
 * Copyright (c) 2020, Ugo Varetto
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions inputFile source code must retain the above copyright