* @brief Returns the number of physical cores available on the system, * as opposed to the logical cores, which include hyper-threading.

* @brief Allocates a new chunk of `size` bytes from the arena. * @return The new pointer or `nullptr` if OOM. */

* @brief Deallocates a chunk of memory previously allocated from the arena. * This implementation does not "reuse" partial free space unle

* @brief Opens the socket and binds it to the specified address and port. * @param port The port to bind to. * @param address The address to b

* @brief Fetches the cache line size using OS-specific APIs. * Supports Linux, macOS, and Windows. * * It's easier to use the @b `std::

* @brief Fetches the public IP address of the default networking * interface on the current machine. */

* @brief Checks if a number is a power of two. * * An unsigned integer is a power of two if and only if it has exactly one * bit set. This can

* @brief Produces a non-repeating sorted (monotonically increasing) sequence of vertex IDs. * @param[in] size The number of unique vertex IDs to g

* @brief Reallocates `ptr` to have `new_size` bytes. The old size was `old_size`. * If `ptr` is the last chunk allocated, and there's room

* @brief Opens the socket and resolves the server address. * @param port The port to bind to on the server. * @param address The address to bi

* @brief Helper derived from `__aarch64_sync_cache_range` in `libgcc`, used to * @b flush the cache on Arm64, where the x86 `_mm_clflush`

* @brief Checks if a number is a power of three using modulo division. * The largest power of three fitting in a 64-bit integer is 3^40.

* @brief Emulates some message processing logic, that will update the `input` packet * and write the result to the `output` buffer, returnin

* @brief Reads the contents of a file from the specified path into a string. */

* The `if` statement and the seemingly innocent ternary operator `x ? a : b` * can be surprisingly expensive in performance-critical code. This is