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Merge pull request #64 from orca-app/rjd/bytebox-integration
Bytebox wasm backend
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| Original file line number | Diff line number | Diff line change |
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| MIT License | ||
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| Copyright (c) 2022 Reuben Dunnington | ||
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| Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| of this software and associated documentation files (the "Software"), to deal | ||
| in the Software without restriction, including without limitation the rights | ||
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| copies of the Software, and to permit persons to whom the Software is | ||
| furnished to do so, subject to the following conditions: | ||
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| The above copyright notice and this permission notice shall be included in all | ||
| copies or substantial portions of the Software. | ||
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| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| SOFTWARE. |
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| Original file line number | Diff line number | Diff line change |
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| const std = @import("std"); | ||
| const bytebox = @import("bytebox"); | ||
| const Val = bytebox.Val; | ||
| const Timer = std.time.Timer; | ||
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| const Benchmark = struct { | ||
| name: []const u8, | ||
| filename: []const u8, | ||
| param: i32, | ||
| }; | ||
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| fn elapsedMilliseconds(timer: *std.time.Timer) f64 { | ||
| var ns_elapsed: f64 = @as(f64, @floatFromInt(timer.read())); | ||
| const ms_elapsed = ns_elapsed / 1000000.0; | ||
| return ms_elapsed; | ||
| } | ||
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| fn run(allocator: std.mem.Allocator, benchmark: Benchmark) !void { | ||
| var cwd = std.fs.cwd(); | ||
| var wasm_data: []u8 = try cwd.readFileAlloc(allocator, benchmark.filename, 1024 * 64); // Our wasm programs aren't very large | ||
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| var timer = try Timer.start(); | ||
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| var module_def = try bytebox.createModuleDefinition(allocator, .{}); | ||
| defer module_def.destroy(); | ||
| try module_def.decode(wasm_data); | ||
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| var module_instance = try bytebox.createModuleInstance(.Stack, module_def, allocator); | ||
| defer module_instance.destroy(); | ||
| try module_instance.instantiate(.{}); | ||
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| const handle = try module_instance.getFunctionHandle("run"); | ||
| var input = [1]Val{.{ .I32 = benchmark.param }}; | ||
| var output = [1]Val{.{ .I32 = 0 }}; | ||
| try module_instance.invoke(handle, &input, &output, .{}); | ||
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| const ms_elapsed: f64 = elapsedMilliseconds(&timer); | ||
| std.log.info("{s} decode+instantiate+run took {d}ms\n", .{ benchmark.name, ms_elapsed }); | ||
| } | ||
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| pub fn main() !void { | ||
| var gpa = std.heap.GeneralPurposeAllocator(.{}){}; | ||
| var allocator: std.mem.Allocator = gpa.allocator(); | ||
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| const benchmarks = [_]Benchmark{ .{ | ||
| .name = "add-one", | ||
| .filename = "zig-out/lib/add-one.wasm", | ||
| .param = 123456789, | ||
| }, .{ | ||
| .name = "fibonacci", | ||
| .filename = "zig-out/lib/fibonacci.wasm", | ||
| .param = 20, | ||
| }, .{ | ||
| .name = "mandelbrot", | ||
| .filename = "zig-out/lib/mandelbrot.wasm", | ||
| .param = 20, | ||
| } }; | ||
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| for (benchmarks) |benchmark| { | ||
| run(allocator, benchmark) catch |e| { | ||
| std.log.err("{s} 'run' invocation failed with error: {}\n", .{ benchmark.name, e }); | ||
| return e; | ||
| }; | ||
| } | ||
| } |
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| export fn run(n: i32) i32 { | ||
| return n + 1; | ||
| } |
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| export fn run(n: i32) i32 { | ||
| if (n < 2) { | ||
| return 1; | ||
| } else { | ||
| var a = run(n - 1); | ||
| var b = run(n - 2); | ||
| return a + b; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| const std = @import("std"); | ||
| const complex = std.math.complex; | ||
| const Complex = complex.Complex(f32); | ||
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| const Color = struct { | ||
| R: u8, | ||
| G: u8, | ||
| B: u8, | ||
| }; | ||
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| const COLOR_BLACK = Color{ .R = 0, .G = 0, .B = 0 }; | ||
| const COLOR_WHITE = Color{ .R = 255, .G = 255, .B = 255 }; | ||
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| const WIDTH = 256; | ||
| const HEIGHT = 256; | ||
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| var pixels = [_]Color{.{ .R = 0, .G = 0, .B = 0 }} ** (WIDTH * HEIGHT); | ||
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| fn mandelbrot(c: Complex, max_counter: i32) Color { | ||
| var counter: u32 = 0; | ||
| var z = Complex.init(0, 0); | ||
| while (counter < max_counter) : (counter += 1) { | ||
| z = z.mul(z).add(c); | ||
| if (2.0 <= complex.abs(z)) { | ||
| return COLOR_WHITE; | ||
| } | ||
| } | ||
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| return COLOR_BLACK; | ||
| } | ||
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| export fn run(max_counter: i32) i32 { | ||
| var y: u32 = 0; | ||
| while (y < HEIGHT) : (y += 1) { | ||
| var x: u32 = 0; | ||
| while (x < WIDTH) : (x += 1) { | ||
| const c = Complex.init(@as(f32, @floatFromInt(x)), @as(f32, @floatFromInt(y))); | ||
| const color: Color = mandelbrot(c, max_counter); | ||
| pixels[y * HEIGHT + x] = color; | ||
| } | ||
| } | ||
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| return 0; | ||
| } |
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