tiny.bench.jsonl

1const std = @import("std");2const pretty_json = @import("pretty").json;34const stats_mod = @import("stats/root.zig");56pub const Unit = struct {7    name: []const u8,8    count: u64,9};1011pub fn writePerUnitFields(12    object: pretty_json.Object,13    value_name: []const u8,14    value: f64,15    units: []const Unit,16) !void {17    for (units) |unit| {18        try object.fieldParts(19            &.{ value_name, "_per_", unit.name },20            stats_mod.valuePerUnit(value, unit.count),21        );22    }23}2425pub fn writeNamedPerUnitFields(26    object: pretty_json.Object,27    name: []const u8,28    value_name: []const u8,29    value: f64,30    units: []const Unit,31) !void {32    for (units) |unit| {33        try object.fieldParts(34            &.{ name, "_", value_name, "_per_", unit.name },35            stats_mod.valuePerUnit(value, unit.count),36        );37    }38}3940pub fn writeMemoryCounts(41    object: pretty_json.Object,42    name: []const u8,43    counts: anytype,44    units: []const Unit,45) !void {46    try object.fieldParts(&.{ name, "_alloc_count" }, counts.alloc_count);47    try object.fieldParts(&.{ name, "_free_count" }, counts.free_count);48    try object.fieldParts(&.{ name, "_alloc_bytes" }, counts.alloc_bytes);49    try writeNamedPerUnitFields(50        object,51        name,52        "alloc_bytes",53        @floatFromInt(counts.alloc_bytes),54        units,55    );56}5758test "write per-unit fields" {59    var out = std.Io.Writer.Allocating.init(std.testing.allocator);60    defer out.deinit();6162    const units = [_]Unit{63        .{ .name = "source_op", .count = 4 },64        .{ .name = "final_op", .count = 8 },65    };66    var stream = pretty_json.Writer.init(&out.writer, .minified);67    const object = try stream.object();68    try writePerUnitFields(object, "ns", 120, &units);69    try object.end();7071    const text = out.written();72    try std.testing.expectEqualStrings(73        "{\"ns_per_source_op\":30,\"ns_per_final_op\":15}",74        text,75    );76}7778test "write named memory count fields" {79    var out = std.Io.Writer.Allocating.init(std.testing.allocator);80    defer out.deinit();8182    const units = [_]Unit{.{ .name = "source_op", .count = 8 }};83    var stream = pretty_json.Writer.init(&out.writer, .minified);84    const object = try stream.object();85    try writeMemoryCounts(86        object,87        "phase",88        .{ .alloc_count = 3, .free_count = 2, .alloc_bytes = @as(u64, 64) },89        &units,90    );91    try object.end();9293    const text = out.written();94    try std.testing.expectEqualStrings(95        "{\"phase_alloc_count\":3,\"phase_free_count\":2," ++96            "\"phase_alloc_bytes\":64,\"phase_alloc_bytes_per_source_op\":8}",97        text,98    );99}

1pub const jsonl = jsonl_mod;