Speed up date

Date was taking a long time for parsing when using ADD in batch, speeded
up by like x50
This commit is contained in:
Adrien Bouvais 2025-01-11 15:27:17 +01:00
parent 7d012b527f
commit 1495e779c9
3 changed files with 30 additions and 25 deletions

View File

@ -24,19 +24,20 @@ pub const DateTime = struct {
}
pub fn now() Self {
return epoch_unix.addYears(1970).addMs(@as(u64, @intCast(std.time.milliTimestamp())));
return epoch_unix.addMs(@as(u64, @intCast(std.time.milliTimestamp())));
}
/// Caller asserts that this is > epoch
pub fn init(year: u16, month: u16, day: u16, hr: u16, min: u16, sec: u16, ms: u16) Self {
return epoch_unix
.addYears(year - epoch_unix.years)
.addMonths(month)
.addDays(day)
.addHours(hr)
.addMins(min)
.addSecs(sec)
.addMs(ms);
pub fn init(year: u16, month: u8, day: u8, hr: u8, min: u8, sec: u8, ms: u16) Self {
return Self{
.years = if (year < 1970) 1970 else year,
.months = month,
.days = day,
.hours = hr,
.minutes = min,
.seconds = sec,
.ms = ms,
};
}
pub const epoch_unix = Self{
@ -46,7 +47,7 @@ pub const DateTime = struct {
.hours = 0,
.days = 0,
.months = 0,
.years = 0,
.years = 1970,
};
pub fn eql(self: Self, other: Self) bool {

View File

@ -45,8 +45,8 @@ pub fn parseDate(value_str: []const u8) DateTime {
if (std.mem.eql(u8, value_str, "NOW")) return DateTime.now();
const year: u16 = std.fmt.parseInt(u16, value_str[0..4], 10) catch 0;
const month: u16 = std.fmt.parseInt(u16, value_str[5..7], 10) catch 0;
const day: u16 = std.fmt.parseInt(u16, value_str[8..10], 10) catch 0;
const month: u8 = std.fmt.parseInt(u8, value_str[5..7], 10) catch 0;
const day: u8 = std.fmt.parseInt(u8, value_str[8..10], 10) catch 0;
return DateTime.init(year, month - 1, day - 1, 0, 0, 0, 0);
}
@ -78,9 +78,9 @@ pub fn parseArrayDateUnix(allocator: std.mem.Allocator, array_str: []const u8) !
pub fn parseTime(value_str: []const u8) DateTime {
if (std.mem.eql(u8, value_str, "NOW")) return DateTime.now();
const hours: u16 = std.fmt.parseInt(u16, value_str[0..2], 10) catch 0;
const minutes: u16 = std.fmt.parseInt(u16, value_str[3..5], 10) catch 0;
const seconds: u16 = if (value_str.len > 6) std.fmt.parseInt(u16, value_str[6..8], 10) catch 0 else 0;
const hours: u8 = std.fmt.parseInt(u8, value_str[0..2], 10) catch 0;
const minutes: u8 = std.fmt.parseInt(u8, value_str[3..5], 10) catch 0;
const seconds: u8 = if (value_str.len > 6) std.fmt.parseInt(u8, value_str[6..8], 10) catch 0 else 0;
const milliseconds: u16 = if (value_str.len > 9) std.fmt.parseInt(u16, value_str[9..13], 10) catch 0 else 0;
return DateTime.init(0, 0, 0, hours, minutes, seconds, milliseconds);
@ -114,11 +114,11 @@ pub fn parseDatetime(value_str: []const u8) DateTime {
if (std.mem.eql(u8, value_str, "NOW")) return DateTime.now();
const year: u16 = std.fmt.parseInt(u16, value_str[0..4], 10) catch 0;
const month: u16 = std.fmt.parseInt(u16, value_str[5..7], 10) catch 0;
const day: u16 = std.fmt.parseInt(u16, value_str[8..10], 10) catch 0;
const hours: u16 = std.fmt.parseInt(u16, value_str[11..13], 10) catch 0;
const minutes: u16 = std.fmt.parseInt(u16, value_str[14..16], 10) catch 0;
const seconds: u16 = if (value_str.len > 17) std.fmt.parseInt(u16, value_str[17..19], 10) catch 0 else 0;
const month: u8 = std.fmt.parseInt(u8, value_str[5..7], 10) catch 0;
const day: u8 = std.fmt.parseInt(u8, value_str[8..10], 10) catch 0;
const hours: u8 = std.fmt.parseInt(u8, value_str[11..13], 10) catch 0;
const minutes: u8 = std.fmt.parseInt(u8, value_str[14..16], 10) catch 0;
const seconds: u8 = if (value_str.len > 17) std.fmt.parseInt(u8, value_str[17..19], 10) catch 0 else 0;
const milliseconds: u16 = if (value_str.len > 20) std.fmt.parseInt(u16, value_str[20..24], 10) catch 0 else 0;
return DateTime.init(year, month - 1, day - 1, hours, minutes, seconds, milliseconds);

View File

@ -322,15 +322,19 @@ pub const Parser = struct {
var maps = std.ArrayList(std.StringHashMap(ConditionValue)).init(allocator);
defer maps.deinit();
var local_arena = std.heap.ArenaAllocator.init(allocator);
defer local_arena.deinit();
const local_allocator = arena.allocator();
var data_map = std.StringHashMap(ConditionValue).init(allocator);
defer data_map.deinit();
while (true) { // I could multithread that as it do take a long time for big benchmark
data_map.clearRetainingCapacity();
try self.parseNewData(allocator, &data_map, struct_name, &order, ordered);
try self.parseNewData(local_allocator, &data_map, struct_name, &order, ordered);
ordered = true;
var error_message_buffer = std.ArrayList(u8).init(allocator);
var error_message_buffer = std.ArrayList(u8).init(local_allocator);
defer error_message_buffer.deinit();
const error_message_buffer_writer = error_message_buffer.writer();
@ -350,12 +354,12 @@ pub const Parser = struct {
);
}
maps.append(data_map.clone() catch return ZipponError.MemoryError) catch return ZipponError.MemoryError;
maps.append(data_map.cloneWithAllocator(local_allocator) catch return ZipponError.MemoryError) catch return ZipponError.MemoryError;
if (maps.items.len >= 1_000) {
self.file_engine.addEntity(struct_name, maps.items, &buff.writer()) catch return ZipponError.CantWriteEntity;
for (maps.items) |*map| map.deinit();
maps.clearRetainingCapacity();
_ = local_arena.reset(.retain_capacity);
}
token = self.toker.last_token;