stopwatch/init.lua

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2018-08-23 01:53:22 +02:00
--------------------------------------------------------
-- Minetest :: Stopwatch Mod v1.0 (stopwatch)
--
-- See README.txt for licensing and release notes.
-- Copyright (c) 2016-2018, Leslie Ellen Krause
--------------------------------------------------------
function Stopwatch( scale )
local clock = minetest.get_us_time
local sprintf = string.format
local getinfo = debug.getinfo
local factors = { us = 1, ms = 1000, s = 1000000 }
local origin = getinfo( 2 ).source
local trials = { }
local id
if not scale then
scale = "ms"
elseif not factors[ scale ] then
error( "Invalid scale specified, aborting." )
end
local function S( desc )
local i = getinfo( 2, "lf" )
id = desc or tostring( i.func ) .. ", line " .. i.currentline
local v = trials[ id ]
if not v then
v = { count = 0, delta_t = 0 }
trials[ id ] = v
end
v.start = clock( )
end
local function S_( is_show, desc )
if not desc and not id then
local i = getinfo( 2, "lf" )
id = tostring( i.func ) .. ", line " .. i.currentline
end
local v = trials[ desc or id ]
local delta = clock( ) - v.start
if is_show then
print( sprintf( "** trial count = %9.3f %s @%s", delta / factors[ scale ], scale, id ) )
end
v.delta_t = v.delta_t + delta
v.count = v.count + 1
end
minetest.register_on_shutdown( function ( )
local delta_g = 0
print( "** " .. origin )
for i, v in pairs( trials ) do
print( sprintf( "** trial total = %9.3f %s %4d tries %8.3f %s each @%s",
v.delta_t / factors[ scale ], scale, v.count, v.delta_t / v.count / factors[ scale ], scale, i ) )
delta_g = delta_g + v.delta_t
end
print( sprintf( "** grand total = %9.3f %s", delta_g / factors[ scale ], scale ) )
end )
return S, S_
end