Commit 38399941d4

@@ -1,38 +1,198 @@
-// Modify the HashFunction variable to the one wanted to test.
-//
-// ```
-// zig build-exe --release-fast throughput_test.zig
-// ./throughput_test
-// ```
-
+const builtin = @import("builtin");
 const std = @import("std");
 const time = std.os.time;
 const Timer = time.Timer;
-const HashFunction = @import("md5.zig").Md5;
+const crypto = @import("index.zig");
 
-const MiB = 1024 * 1024;
-const BytesToHash = 1024 * MiB;
+const KiB = 1024;
+const MiB = 1024 * KiB;
 
-pub fn main() !void {
-    var stdout_file = try std.io.getStdOut();
-    var stdout_out_stream = std.io.FileOutStream.init(&stdout_file);
-    const stdout = &stdout_out_stream.stream;
+var prng = std.rand.DefaultPrng.init(0);
 
-    var block: [HashFunction.block_size]u8 = undefined;
-    std.mem.set(u8, block[0..], 0);
+const Crypto = struct {
+    ty: type,
+    name: []const u8,
+};
 
-    var h = HashFunction.init();
-    var offset: usize = 0;
+const hashes = []Crypto{
+    Crypto{ .ty = crypto.Md5, .name = "md5" },
+    Crypto{ .ty = crypto.Sha1, .name = "sha1" },
+    Crypto{ .ty = crypto.Sha256, .name = "sha256" },
+    Crypto{ .ty = crypto.Sha512, .name = "sha512" },
+    Crypto{ .ty = crypto.Sha3_256, .name = "sha3-256" },
+    Crypto{ .ty = crypto.Sha3_512, .name = "sha3-512" },
+    Crypto{ .ty = crypto.Blake2s256, .name = "blake2s" },
+    Crypto{ .ty = crypto.Blake2b512, .name = "blake2b" },
+};
+
+pub fn benchmarkHash(comptime Hash: var, comptime bytes: comptime_int) !u64 {
+    var h = Hash.init();
+
+    var block: [Hash.digest_length]u8 = undefined;
+    prng.random.bytes(block[0..]);
 
+    var offset: usize = 0;
     var timer = try Timer.start();
     const start = timer.lap();
-    while (offset < BytesToHash) : (offset += block.len) {
+    while (offset < bytes) : (offset += block.len) {
         h.update(block[0..]);
     }
     const end = timer.read();
 
     const elapsed_s = @intToFloat(f64, end - start) / time.ns_per_s;
-    const throughput = @floatToInt(u64, BytesToHash / elapsed_s);
+    const throughput = @floatToInt(u64, bytes / elapsed_s);
+
+    return throughput;
+}
+
+const macs = []Crypto{
+    Crypto{ .ty = crypto.Poly1305, .name = "poly1305" },
+    Crypto{ .ty = crypto.HmacMd5, .name = "hmac-md5" },
+    Crypto{ .ty = crypto.HmacSha1, .name = "hmac-sha1" },
+    Crypto{ .ty = crypto.HmacSha256, .name = "hmac-sha256" },
+};
+
+pub fn benchmarkMac(comptime Mac: var, comptime bytes: comptime_int) !u64 {
+    std.debug.assert(32 >= Mac.mac_length and 32 >= Mac.minimum_key_length);
+
+    var in: [1 * MiB]u8 = undefined;
+    prng.random.bytes(in[0..]);
+
+    var key: [32]u8 = undefined;
+    prng.random.bytes(key[0..]);
+
+    var offset: usize = 0;
+    var timer = try Timer.start();
+    const start = timer.lap();
+    while (offset < bytes) : (offset += in.len) {
+        Mac.create(key[0..], in[0..], key);
+    }
+    const end = timer.read();
+
+    const elapsed_s = @intToFloat(f64, end - start) / time.ns_per_s;
+    const throughput = @floatToInt(u64, bytes / elapsed_s);
+
+    return throughput;
+}
+
+const exchanges = []Crypto{Crypto{ .ty = crypto.X25519, .name = "x25519" }};
+
+pub fn benchmarkKeyExchange(comptime DhKeyExchange: var, comptime exchange_count: comptime_int) !u64 {
+    std.debug.assert(DhKeyExchange.minimum_key_length >= DhKeyExchange.secret_length);
+
+    var in: [DhKeyExchange.minimum_key_length]u8 = undefined;
+    prng.random.bytes(in[0..]);
+
+    var out: [DhKeyExchange.minimum_key_length]u8 = undefined;
+    prng.random.bytes(out[0..]);
+
+    var offset: usize = 0;
+    var timer = try Timer.start();
+    const start = timer.lap();
+    {
+        var i: usize = 0;
+        while (i < exchange_count) : (i += 1) {
+            _ = DhKeyExchange.create(out[0..], out, in);
+        }
+    }
+    const end = timer.read();
+
+    const elapsed_s = @intToFloat(f64, end - start) / time.ns_per_s;
+    const throughput = @floatToInt(u64, exchange_count / elapsed_s);
+
+    return throughput;
+}
 
-    try stdout.print("{}: {} MiB/s\n", @typeName(HashFunction), throughput / (1 * MiB));
+fn usage() void {
+    std.debug.warn(
+        \\throughput_test [options]
+        \\
+        \\Options:
+        \\  --filter [test-name]
+        \\  --seed   [int]
+        \\  --help
+        \\
+    );
+}
+
+fn mode(comptime x: comptime_int) comptime_int {
+    return if (builtin.mode == builtin.Mode.Debug) x / 64 else x;
+}
+
+// TODO(#1358): Replace with builtin formatted padding when available.
+fn printPad(stdout: var, s: []const u8) !void {
+    var i: usize = 0;
+    while (i < 12 - s.len) : (i += 1) {
+        try stdout.print(" ");
+    }
+    try stdout.print("{}", s);
+}
+
+pub fn main() !void {
+    var stdout_file = try std.io.getStdOut();
+    var stdout_out_stream = std.io.FileOutStream.init(&stdout_file);
+    const stdout = &stdout_out_stream.stream;
+
+    var buffer: [1024]u8 = undefined;
+    var fixed = std.heap.FixedBufferAllocator.init(buffer[0..]);
+    const args = try std.os.argsAlloc(&fixed.allocator);
+
+    var filter: ?[]u8 = "";
+
+    var i: usize = 1;
+    while (i < args.len) : (i += 1) {
+        if (std.mem.eql(u8, args[i], "--seed")) {
+            i += 1;
+            if (i == args.len) {
+                usage();
+                std.os.exit(1);
+            }
+
+            const seed = try std.fmt.parseUnsigned(u32, args[i], 10);
+            prng.seed(seed);
+        } else if (std.mem.eql(u8, args[i], "--filter")) {
+            i += 1;
+            if (i == args.len) {
+                usage();
+                std.os.exit(1);
+            }
+
+            filter = args[i];
+        } else if (std.mem.eql(u8, args[i], "--help")) {
+            usage();
+            return;
+        } else {
+            usage();
+            std.os.exit(1);
+        }
+    }
+
+    inline for (hashes) |H| {
+        // TODO: Inverted early continue case here segfaults compiler. Create reduced test case.
+        //
+        // if (filter != null and std.mem.indexOf(u8, H.name, filter.?) == null) {
+        //     continue;
+        // }
+        if (filter == null or std.mem.indexOf(u8, H.name, filter.?) != null) {
+            const throughput = try benchmarkHash(H.ty, mode(32 * MiB));
+            try printPad(stdout, H.name);
+            try stdout.print(": {} MiB/s\n", throughput / (1 * MiB));
+        }
+    }
+
+    inline for (macs) |M| {
+        if (filter == null or std.mem.indexOf(u8, M.name, filter.?) != null) {
+            const throughput = try benchmarkMac(M.ty, mode(128 * MiB));
+            try printPad(stdout, M.name);
+            try stdout.print(": {} MiB/s\n", throughput / (1 * MiB));
+        }
+    }
+
+    inline for (exchanges) |E| {
+        if (filter == null or std.mem.indexOf(u8, E.name, filter.?) != null) {
+            const throughput = try benchmarkKeyExchange(E.ty, mode(1000));
+            try printPad(stdout, E.name);
+            try stdout.print(": {} exchanges/s\n", throughput);
+        }
+    }
 }