mirror of
https://github.com/ziglang/zig.git
synced 2025-12-12 17:23:09 +00:00
9d4eaf1e07
std.io.FileInStream -> std.os.File.InStream std.io.FileInStream.init(file) -> file.inStream() std.io.FileOutStream -> std.os.File.OutStream std.io.FileOutStream.init(file) -> file.outStream() remove a lot of error code possibilities from os functions std.event.net.socketRead -> std.event.net.read std.event.net.socketWrite -> std.event.net.write add std.event.net.readv add std.event.net.writev add std.event.net.readvPosix add std.event.net.writevPosix add std.event.net.OutStream add std.event.net.InStream add std.event.io.InStream add std.event.io.OutStream
37 lines
1.2 KiB
Zig
37 lines
1.2 KiB
Zig
const std = @import("std");
|
|
const mem = std.mem;
|
|
const warn = std.debug.warn;
|
|
const Tokenizer = std.zig.Tokenizer;
|
|
const Parser = std.zig.Parser;
|
|
const io = std.io;
|
|
|
|
const source = @embedFile("../os/index.zig");
|
|
var fixed_buffer_mem: [10 * 1024 * 1024]u8 = undefined;
|
|
|
|
pub fn main() !void {
|
|
var i: usize = 0;
|
|
var timer = try std.os.time.Timer.start();
|
|
const start = timer.lap();
|
|
const iterations = 100;
|
|
var memory_used: usize = 0;
|
|
while (i < iterations) : (i += 1) {
|
|
memory_used += testOnce();
|
|
}
|
|
const end = timer.read();
|
|
memory_used /= iterations;
|
|
const elapsed_s = @intToFloat(f64, end - start) / std.os.time.ns_per_s;
|
|
const bytes_per_sec = @intToFloat(f64, source.len * iterations) / elapsed_s;
|
|
const mb_per_sec = bytes_per_sec / (1024 * 1024);
|
|
|
|
var stdout_file = try std.io.getStdOut();
|
|
const stdout = &stdout_file.outStream().stream;
|
|
try stdout.print("{.3} MiB/s, {} KiB used \n", mb_per_sec, memory_used / 1024);
|
|
}
|
|
|
|
fn testOnce() usize {
|
|
var fixed_buf_alloc = std.heap.FixedBufferAllocator.init(fixed_buffer_mem[0..]);
|
|
var allocator = &fixed_buf_alloc.allocator;
|
|
_ = std.zig.parse(allocator, source) catch @panic("parse failure");
|
|
return fixed_buf_alloc.end_index;
|
|
}
|