ochaton

local type Distance = number
local type VertexId = number

local record Node
	preds: {VertexId:Distance}
	succs: {VertexId:Distance}
end

local node_mt: metatable<Node> = {
	__index = Node,

ochaton

box.orm = require 'orm' . configure {
	users = {
		format = {
			{ name = 'uid',     type = 'unsigned' },
			{ name = 'email',   type = 'string'   },
		},
		indexes = {
			{ name = 'primary', parts = { 'uid'          } },
			{ name = 'email',   parts = { 'email', 'uid' } },
		},

ochaton

#!/usr/bin/env tarantool
print(_G._TARANTOOL)

-- box.cfg{}
require 'jit.dump'.start("hotloop=1")

local fiber = require 'fiber'
local log = require 'log'
local json = require 'json'
json.cfg{ encode_use_tostring = true }

ochaton

---
-- TODO:
-- Support all ops for update
-- Create separate module
local ffi = require 'ffi'
local fiber = require 'fiber'

ffi.cdef[[
	struct header_v11 {
		uint32_t header_crc32c;

ochaton

local Coro = {}
Coro.__index = Coro

local S = {
	queue = require 'q'(),
}

function S:push(o)
	self.queue:push(o)
end

ochaton

#!/usr/bin/tarantool

local fiber = require 'fiber'
local clock = require 'clock'
local log   = require 'log'

local bus = setmetatable({
	put = function(self, msg)
		while not self.closed and self.msg ~= nil do
			self.cond:wait()

ochaton

#!/usr/bin/env tarantool

local function stack()
	local i = 1
	while debug.getinfo(i) do
		i = i * 2
	end

	local l, r = math.floor(i/2), i
	while l < r - 1 do

ochaton

local clock = require 'clock'.time

function getms1()
	local bench = function(f, ...)
		local tail = function(s, ...)
			return clock()-s, ...
		end
		local s = clock()
		return tail(s, f(...))
	end

ochaton

collectgarbage('stop')
local MAX = 1000000

print("50: for+..", clock.bench(function() for j = 1, MAX do local s = "" for i = 1, 50 do s = s .. i end end end)[1])
print("50: for+table.insert", clock.bench(function() for j = 1, MAX do local s = {} for i = 1, 50 do table.insert(s, i) end table.concat(s) end end)[1])
print("50: for+table", clock.bench(function() for j = 1, MAX do local s = {} for i = 1, 50 do s[i] = i end table.concat(s) end end)[1])
print("50: for+table+new", clock.bench(function() for j = 1, MAX do local s = table.new(50, 0) for i = 1, 50 do s[i] = i end table.concat(s) end end)[1])

print("100: for+..", clock.bench(function() for j = 1, MAX do local s = "" for i = 1, 100 do s = s .. i end end end)[1])
print("100: for+table.insert", clock.bench(function() for j = 1, MAX do local s = {} for i = 1, 100 do table.insert(s, i) end table.concat(s) end end)[1])

ochaton

-- Execute with tarantool or luajit

assert(jit, "jit required")
local table_new = require 'table.new'

local function tablen(t, len)
	local j = len
	if j > 1 and t[j] == nil then
		-- Use i = 0 here because in Lua tables are 1-indexed:
		local i = 0