ZipponDB/benchmark.zig

103 lines
3.9 KiB
Zig

const std = @import("std");
const dtype = @import("dtype");
const DBEngine = @import("src/main.zig").DBEngine;
const ziqlTokenizer = @import("src/tokenizers/ziql.zig").Tokenizer;
const ziqlToken = @import("src/tokenizers/ziql.zig").Token;
const ziqlParser = @import("src/ziqlParser.zig").Parser;
const ZipponError = @import("src/stuffs/errors.zig").ZipponError;
const names = [_][]const u8{ "Alice", "Bob", "Charlie", "Dave", "Eve" };
const emails = [_][]const u8{ "alice@email.com", "bob@email.com", "charlie@email.com", "dave@email.com", "eve@email.com" };
const scores = [_]i32{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 };
pub const std_options = .{
.logFn = myLog,
};
pub fn myLog(
comptime message_level: std.log.Level,
comptime scope: @Type(.EnumLiteral),
comptime format: []const u8,
args: anytype,
) void {
if (true) return;
_ = message_level;
_ = scope;
_ = format;
_ = args;
}
pub fn main() !void {
var line_buffer: [1024 * 1024]u8 = undefined;
// Initialize your DBEngine here
var db_engine = DBEngine.init("benchmark", "schema/example");
defer db_engine.deinit();
// Reset the database
{
const null_term_query_str = try std.fmt.bufPrintZ(&line_buffer, "DELETE User {{}}", .{});
var toker = ziqlTokenizer.init(null_term_query_str);
var parser = ziqlParser.init(&toker, &db_engine.file_engine, &db_engine.schema_engine);
try parser.parse();
}
// Populate with random dummy value
std.debug.print("\n=====================================\n\n", .{});
std.debug.print("Populating with {d} users.\n", .{10_000});
var gpa = std.rand.DefaultPrng.init(0);
const populate_start_time = std.time.nanoTimestamp();
for (10_000) |_| {
const name = names[gpa.random().uintAtMost(usize, names.len - 1)];
const email = emails[gpa.random().uintAtMost(usize, emails.len - 1)];
const age = gpa.random().uintAtMost(usize, 100);
const score = scores[gpa.random().uintAtMost(usize, scores.len - 1)];
const null_term_query_str = try std.fmt.bufPrintZ(
&line_buffer,
"ADD User (name = '{s}', email='{s}', age={d}, scores=[ {d} ], best_friend=none, friends=none, bday=2000/01/01, a_time=12:04, last_order=2000/01/01-12:45)",
.{ name, email, age, score },
);
var toker = ziqlTokenizer.init(null_term_query_str);
var parser = ziqlParser.init(&toker, &db_engine.file_engine, &db_engine.schema_engine);
try parser.parse();
}
const populate_end_time = std.time.nanoTimestamp();
const populate_duration = @as(f64, @floatFromInt(populate_end_time - populate_start_time)) / 1e9;
std.debug.print("Populate duration: {d:.6} seconds\n\n", .{populate_duration});
var buffer = std.ArrayList(u8).init(std.heap.page_allocator);
defer buffer.deinit();
try db_engine.file_engine.writeDbMetrics(&buffer);
std.debug.print("{s}\n", .{buffer.items});
std.debug.print("--------------------------------------\n\n", .{});
// Define your benchmark queries
const queries = [_][]const u8{
"GRAB User {}",
"GRAB User [1] {}",
"GRAB User [name] {}",
"GRAB User {name = 'Charlie'}",
"GRAB User {age > 30}",
"DELETE User {}",
};
// Run benchmarks
for (queries) |query| {
const start_time = std.time.nanoTimestamp();
// Execute the query here
const null_term_query_str = try std.fmt.bufPrintZ(&line_buffer, "{s}", .{query});
var toker = ziqlTokenizer.init(null_term_query_str);
var parser = ziqlParser.init(&toker, &db_engine.file_engine, &db_engine.schema_engine);
try parser.parse();
const end_time = std.time.nanoTimestamp();
const duration = @as(f64, @floatFromInt(end_time - start_time)) / 1e9;
std.debug.print("Query: \t\t{s}\nDuration: \t{d:.6} seconds\n\n", .{ query, duration });
}
std.debug.print("=====================================\n\n", .{});
}