voroskoi/pistike - Change 46RTAHPCLRHCLSYGKZIFIFRIWPJ54TJJ2WM5M5FZNNHUSZZZZAYQC

Fix backup and restore methods, gotta go fast :-)

Created by voroskoi on January 19, 2023

46RTAHPCLRHCLSYGKZIFIFRIWPJ54TJJ2WM5M5FZNNHUSZZZZAYQC

Dependencies

In channels

main

Change contents

Replacement in src/perft.zig at line 20 [4.34]

B:BD[4.498] → [4.498:539]

            const bk = self.gs.backup();

[4.498]

[4.539]

            var bk: Board.GameState = undefined;
            self.gs.backup(&bk);

Insertion in src/perft.zig at line 24 [4.34]
[4.589]
[4.589]
```
                self.gs.restore(&bk);
```

Replacement in src/perft.zig at line 30 [4.34]

B:BD[4.672] → [4.672:705]

            self.gs.restore(bk);

[4.672]

[4.705]

            self.gs.restore(&bk);

Replacement in src/perft.zig at line 39 [4.34]

B:BD[4.924] → [4.924:965]

            const bk = self.gs.backup();

[4.924]

[4.965]

            var bk: Board.GameState = undefined;
            self.gs.backup(&bk);

Insertion in src/perft.zig at line 43 [4.34]
[4.1015]
[4.1071]
```
                self.gs.restore(&bk);
```
Replacement in src/perft.zig at line 53 [4.34]
B:BD[4.1268] → [4.1268:1301]
```
            self.gs.restore(bk);
```
[4.1268]
[4.1301]
```
            self.gs.restore(&bk);
```

Replacement in src/perft.zig at line 63 [4.34]

∅:D[5.461] → [4.1515:1546]

B:BD[4.1515] → [4.1515:1546]

B:BD[4.1546] → [5.462:488]

∅:D[5.488] → [4.1568:1627]

B:BD[4.1568] → [4.1568:1627]

    var p = Perft{ .gs = gs };
    try p.perftDriver(2);
    try std.testing.expectEqual(@as(usize, 191), p.nodes);

[5.461]

[4.1627]

    {
        var p = Perft{ .gs = gs };
        try p.perftDriver(3);
        try std.testing.expectEqual(@as(usize, 2812), p.nodes);
    }
    {
        var p = Perft{ .gs = gs };
        try p.perftDriver(4);
        try std.testing.expectEqual(@as(usize, 43238), p.nodes);
    }

Replacement in src/perft.zig at line 77 [4.34]

B:BD[5.508] → [5.508:588]

    var gs = try Board.GameState.init("8/2p5/3p4/KP5r/1R3p1k/8/4P1P1/8 w - -");

[5.508]

[5.588]

    var gs = try Board.GameState.init("r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq - ");

Replacement in src/perft.zig at line 83 [4.34]
B:BD[5.680] → [5.680:704]
```
    try p.perftTest(3);
```
[5.680]
[5.704]
```
    try p.perftTest(5);
```
Deletion in src/main.zig at line 3 [7.50]
B:BD[6.1] → [6.1:37]
```
const Chess = @import("Chess.zig");
```
Deletion in src/main.zig at line 4 [7.50]
B:BD[4.1666] → [4.1666:1709]
```
const Perft = @import("perft.zig").Perft;
```

Replacement in src/main.zig at line 6 [7.50]

B:BD[7.102] → [8.0:107]

∅:D[8.107] → [4.1790:1821]

B:BD[4.1790] → [4.1790:1821]

    var gs = try Board.GameState.init("r3k2r/p1ppqpb1/bn2pnp1/3PN3/1p2P3/2N2Q1p/PPPBBPPP/R3K2R w KQkq -");
    var p = Perft{ .gs = gs };

[7.102]

[4.1821]

    try handleUCI();
}

Replacement in src/main.zig at line 9 [7.50]

B:BD[4.1822] → [4.1822:1867]

B:BD[4.1867] → [8.108:134]

    var timer = try std.time.Timer.start();
    try p.perftDriver(3);

[4.1822]

[4.1889]

fn handleUCI() !void {
    var gs = try Board.GameState.init(null);

Deletion in src/main.zig at line 12 [7.50]

B:BD[4.1890] → [4.1890:1986]

B:BD[4.1986] → [2.0:1]

    std.debug.print("Nodes: {d} time: {d}\n", .{ p.nodes, timer.read() / std.time.ns_per_ms });

Insertion in src/main.zig at line 50 [7.50]
[6.135]
[6.135]
```
    _ = @import("Board.zig");
```

Replacement in src/Board.zig at line 172 [9.16071]

B:BD[4.2856] → [4.2856:2908]

pub const MoveList = std.BoundedArray(BitMove, 64);

[4.2856]

[9.19872]

pub const MoveList = std.BoundedArray(BitMove, 128);

Deletion in src/Board.zig at line 213 [9.16071]
B:BD[9.20993] → [9.20993:20994]
B:BD[9.20994] → [4.2909:2952]
∅:D[4.2952] → [9.21033:21076]
B:BD[9.21033] → [9.21033:21076]
```
    pub fn backup(self: @This()) @This() {
        var new_gs: GameState = undefined;
```

Insertion in src/Board.zig at line 214 [9.16071]

[9.21077]

    pub fn backup(self: *const @This(), new_gs: *@This()) void {

Deletion in src/Board.zig at line 224 [9.16071]
B:BD[9.21382] → [9.21382:21406]
```
        return new_gs;
```

Replacement in src/Board.zig at line 226 [9.16071]

B:BD[9.21413] → [4.2953:3009]

    pub fn restore(self: *@This(), bck: @This()) void {

[9.21413]

[9.21465]

    pub fn restore(self: *@This(), bck: *const @This()) void {

Replacement in src/Board.zig at line 858 [9.16071]

B:BD[10.140] → [10.140:185]

                const bckup = self.backup();

[10.140]

[11.2403]

                // const bckup = self.backup();

Replacement in src/Board.zig at line 994 [9.16071]
∅:D[3.7008] → [10.747:792]
∅:D[4.7925] → [10.747:792]
B:BD[10.747] → [10.747:792]
```
                        self.restore(bckup);
```
[3.7008]
[10.792]
```
                        // self.restore(bckup);
```

Replacement in src/Board.zig at line 1032 [9.16071]

B:BD[9.41635] → [9.41635:41667]

    const backup = gs.backup();

[9.41635]

[9.41667]

    var backup: GameState = undefined;
    gs.backup(&backup);

Replacement in src/Board.zig at line 1040 [9.16071]
B:BD[9.41785] → [9.41785:41809]
```
    gs.restore(backup);
```
[9.41785]
[9.41809]
```
    gs.restore(&backup);
```

Fix backup and restore methods, gotta go fast :-)

Dependencies

In channels

Change contents

Replacement in src/perft.zig at line 20 [4.34]

Insertion in src/perft.zig at line 24 [4.34]

Replacement in src/perft.zig at line 30 [4.34]

Replacement in src/perft.zig at line 39 [4.34]

Insertion in src/perft.zig at line 43 [4.34]

Replacement in src/perft.zig at line 53 [4.34]

Replacement in src/perft.zig at line 63 [4.34]

Replacement in src/perft.zig at line 77 [4.34]

Replacement in src/perft.zig at line 83 [4.34]

Deletion in src/main.zig at line 3 [7.50]

Deletion in src/main.zig at line 4 [7.50]

Replacement in src/main.zig at line 6 [7.50]

Replacement in src/main.zig at line 9 [7.50]

Deletion in src/main.zig at line 12 [7.50]

Insertion in src/main.zig at line 50 [7.50]

Replacement in src/Board.zig at line 172 [9.16071]

Deletion in src/Board.zig at line 213 [9.16071]

Insertion in src/Board.zig at line 214 [9.16071]

Deletion in src/Board.zig at line 224 [9.16071]

Replacement in src/Board.zig at line 226 [9.16071]

Replacement in src/Board.zig at line 858 [9.16071]

Replacement in src/Board.zig at line 994 [9.16071]

Replacement in src/Board.zig at line 1032 [9.16071]

Replacement in src/Board.zig at line 1040 [9.16071]