Merge pull request #3106 from ziglang/hash-tooling-changes

Hash tooling changes

1 files changed, 0 insertions, 148 deletions

diff --git a/std/hash/throughput_test.zig b/std/hash/throughput_test.zig
deleted file mode 100644
index 4b7e8ef344..0000000000
--- a/std/hash/throughput_test.zig
+++ /dev/null
@@ -1,148 +0,0 @@
-const builtin = @import("builtin");
-const std = @import("std");
-const time = std.time;
-const Timer = time.Timer;
-const hash = std.hash;
-
-const KiB = 1024;
-const MiB = 1024 * KiB;
-const GiB = 1024 * MiB;
-
-var prng = std.rand.DefaultPrng.init(0);
-
-const Hash = struct {
-    ty: type,
-    name: []const u8,
-    init_u8s: ?[]const u8 = null,
-    init_u64: ?u64 = null,
-};
-
-const siphash_key = "0123456789abcdef";
-
-const hashes = [_]Hash{
-    Hash{ .ty = hash.Wyhash, .name = "wyhash", .init_u64 = 0 },
-    Hash{ .ty = hash.SipHash64(1, 3), .name = "siphash(1,3)", .init_u8s = siphash_key },
-    Hash{ .ty = hash.SipHash64(2, 4), .name = "siphash(2,4)", .init_u8s = siphash_key },
-    Hash{ .ty = hash.Fnv1a_64, .name = "fnv1a" },
-    Hash{ .ty = hash.Crc32, .name = "crc32" },
-};
-
-const Result = struct {
-    hash: u64,
-    throughput: u64,
-};
-
-pub fn benchmarkHash(comptime H: var, bytes: usize) !Result {
-    var h = blk: {
-        if (H.init_u8s) |init| {
-            break :blk H.ty.init(init);
-        }
-        if (H.init_u64) |init| {
-            break :blk H.ty.init(init);
-        }
-        break :blk H.ty.init();
-    };
-
-    var block: [8192]u8 = undefined;
-    prng.random.bytes(block[0..]);
-
-    var offset: usize = 0;
-    var timer = try Timer.start();
-    const start = timer.lap();
-    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, @intToFloat(f64, bytes) / elapsed_s);
-
-    return Result{
-        .hash = h.final(),
-        .throughput = throughput,
-    };
-}
-
-fn usage() void {
-    std.debug.warn(
-        \\throughput_test [options]
-        \\
-        \\Options:
-        \\  --filter [test-name]
-        \\  --seed   [int]
-        \\  --count  [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 = stdout_file.outStream();
-    const stdout = &stdout_out_stream.stream;
-
-    var buffer: [1024]u8 = undefined;
-    var fixed = std.heap.FixedBufferAllocator.init(buffer[0..]);
-    const args = try std.process.argsAlloc(&fixed.allocator);
-
-    var filter: ?[]u8 = "";
-    var count: usize = mode(128 * MiB);
-
-    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], "--count")) {
-            i += 1;
-            if (i == args.len) {
-                usage();
-                std.os.exit(1);
-            }
-
-            const c = try std.fmt.parseUnsigned(u32, args[i], 10);
-            count = c * MiB;
-        } else if (std.mem.eql(u8, args[i], "--help")) {
-            usage();
-            return;
-        } else {
-            usage();
-            std.os.exit(1);
-        }
-    }
-
-    inline for (hashes) |H| {
-        if (filter == null or std.mem.indexOf(u8, H.name, filter.?) != null) {
-            const result = try benchmarkHash(H, count);
-            try printPad(stdout, H.name);
-            try stdout.print(": {:4} MiB/s [{:16}]\n", result.throughput / (1 * MiB), result.hash);
-        }
-    }
-}