Module:Timing - Revision history

Jeblad at 20:12, 28 May 2016

2016-05-28T20:12:03Z

← Previous revision		Revision as of 20:12, 28 May 2016
Line 1:		Line 1:
	-- module timing individual functions		-- module timing individual functions
			-- @license (CC-BY-SA-3.0)
	-- © John Erling Blad, Creative Commons by Attribution 3.0
			-- @copyright John Erling Blad <[email protected]>

	-- @var The table holding this modules exported members		-- @var The table holding this modules exported members

Jeblad at 05:06, 20 January 2016

2016-01-20T05:06:43Z

← Previous revision		Revision as of 05:06, 20 January 2016
Line 125:		Line 125:
	-- @return string describing the result		-- @return string describing the result
	__call = function (self, func, ...)		__call = function (self, func, ...)
			-- resolve to the same level
			local f1 = p.nop
			local f2 = func

	-- start the clock		-- start the clock
	local tick = os.clock()		local tick = os.clock()

	local baseline = self.stats( self.runner(~~p.nop~~, ...) )		local baseline = self.stats( self.runner(f1, ...) )
	local actual = self.stats( self.runner(~~func~~, ...) )		local actual = self.stats( self.runner(f2, ...) )

	local combined = self.combine(baseline, actual)		local combined = self.combine(baseline, actual)

Jeblad at 11:27, 19 January 2016

2016-01-19T11:27:17Z

← Previous revision		Revision as of 11:27, 19 January 2016
Line 111:		Line 111:
	}		}
	return table.concat(strings, '')		return table.concat(strings, '')
		⚫	end

		⚫	-- a dummy function that is used for a baseline measure
		⚫	-- @return nil
		⚫	function p.nop()
			return nil
	end		end

Line 122:		Line 128:
	local tick = os.clock()		local tick = os.clock()

		⚫	local baseline = self.stats( self.runner(p.nop, ...) )
⚫	-- a dummy function that is used for a baseline measure
⚫	function ~~dummy~~()
⚫	return nil
⚫	end

⚫	local baseline = self.stats( self.runner(~~dummy~~, ...) )
	local actual = self.stats( self.runner(func, ...) )		local actual = self.stats( self.runner(func, ...) )

Jeblad: a little too fast

2016-01-19T09:47:53Z

a little too fast

← Previous revision		Revision as of 09:47, 19 January 2016
Line 13:		Line 13:
	function p.count( num )		function p.count( num )
	if num then		if num then
			assert(num>0, "Value of 'num' can\'t be zero")
	p._count = num		p._count = num
	end		end
Line 23:		Line 24:
	function p.sets( num )		function p.sets( num )
	if num then		if num then
			assert(num>0, "Value of 'sets' can\'t be zero")
	p._sets = num		p._sets = num
	end		end
Line 35:		Line 37:
	local minVal = timing[1]		local minVal = timing[1]
	local maxVal = timing[1]		local maxVal = timing[1]
	for i,v in ipairs(timing) do
	end
	local sqr,mean=0,0		local sqr,mean=0,0
	for i,v in ipairs(timing) do		for i,v in ipairs(timing) do
Line 53:		Line 53:
	-- @return table of runtime for the given function		-- @return table of runtime for the given function
	function p.runner(func, ...)		function p.runner(func, ...)
⚫
	-- measure the function		-- measure the function
	local time = {}		local time = {}
Line 63:		Line 62:
	time[i] = os.clock() - time[i]		time[i] = os.clock() - time[i]
	end		end
		⚫
			assert(#time>0, "No entries for time measurements")

	return time		return time
Line 128:		Line 129:
	local baseline = self.stats( self.runner(dummy, ...) )		local baseline = self.stats( self.runner(dummy, ...) )
	local actual = self.stats( self.runner(func, ...) )		local actual = self.stats( self.runner(func, ...) )

	local combined = self.combine(baseline, actual)		local combined = self.combine(baseline, actual)
	local tack = os.clock()		local tack = os.clock()

Jeblad: right, and this is faster

2016-01-19T09:32:09Z

right, and this is faster

← Previous revision		Revision as of 09:32, 19 January 2016
Line 13:		Line 13:
	function p.count( num )		function p.count( num )
	if num then		if num then
	assert(num>0, "Value of 'num' can\'t be zero")
	p._count = num		p._count = num
	end		end
Line 24:		Line 23:
	function p.sets( num )		function p.sets( num )
	if num then		if num then
	assert(num>0, "Value of 'sets' can\'t be zero")
	p._sets = num		p._sets = num
	end		end
Line 37:		Line 35:
	local minVal = timing[1]		local minVal = timing[1]
	local maxVal = timing[1]		local maxVal = timing[1]
			for i,v in ipairs(timing) do
			end
	local sqr,mean=0,0		local sqr,mean=0,0
	for i,v in ipairs(timing) do		for i,v in ipairs(timing) do
Line 53:		Line 53:
	-- @return table of runtime for the given function		-- @return table of runtime for the given function
	function p.runner(func, ...)		function p.runner(func, ...)
		⚫
	-- measure the function		-- measure the function
	local time = {}		local time = {}
	for i=1,p._sets do		for i=1,p._sets do
	time[~~1+#time~~] = os.clock()		time[i] = os.clock()
	for j=1,p._count do		for j=1,p._count do
	func(...)		func(...)
	end		end
	time[~~#time~~] = os.clock() - time[~~#time~~]		time[i] = os.clock() - time[i]
	end		end
⚫
	assert(#time>0, "No entries for time measurements")

	return time		return time
Line 129:		Line 128:
	local baseline = self.stats( self.runner(dummy, ...) )		local baseline = self.stats( self.runner(dummy, ...) )
	local actual = self.stats( self.runner(func, ...) )		local actual = self.stats( self.runner(func, ...) )

	local combined = self.combine(baseline, actual)		local combined = self.combine(baseline, actual)
	local tack = os.clock()		local tack = os.clock()

Jeblad: added assertions

2016-01-19T09:27:26Z

added assertions

← Previous revision		Revision as of 09:27, 19 January 2016
Line 13:		Line 13:
	function p.count( num )		function p.count( num )
	if num then		if num then
			assert(num>0, "Value of 'num' can\'t be zero")
	p._count = num		p._count = num
	end		end
Line 23:		Line 24:
	function p.sets( num )		function p.sets( num )
	if num then		if num then
			assert(num>0, "Value of 'sets' can\'t be zero")
	p._sets = num		p._sets = num
	end		end
Line 51:		Line 53:
	-- @return table of runtime for the given function		-- @return table of runtime for the given function
	function p.runner(func, ...)		function p.runner(func, ...)
⚫
	-- measure the function		-- measure the function
	local time = {}		local time = {}
Line 61:		Line 62:
	time[#time] = os.clock() - time[#time]		time[#time] = os.clock() - time[#time]
	end		end
		⚫
			assert(#time>0, "No entries for time measurements")

	return time		return time
Line 126:		Line 129:
	local baseline = self.stats( self.runner(dummy, ...) )		local baseline = self.stats( self.runner(dummy, ...) )
	local actual = self.stats( self.runner(func, ...) )		local actual = self.stats( self.runner(func, ...) )

	local combined = self.combine(baseline, actual)		local combined = self.combine(baseline, actual)
	local tack = os.clock()		local tack = os.clock()

Jeblad: stuff was moved, for loop left in place, removes

2016-01-19T09:11:11Z

stuff was moved, for loop left in place, removes

← Previous revision		Revision as of 09:11, 19 January 2016
Line 35:		Line 35:
	local minVal = timing[1]		local minVal = timing[1]
	local maxVal = timing[1]		local maxVal = timing[1]
	for i,v in ipairs(timing) do
	end
	local sqr,mean=0,0		local sqr,mean=0,0
	for i,v in ipairs(timing) do		for i,v in ipairs(timing) do

Jeblad at 17:57, 17 January 2016

2016-01-17T17:57:46Z

← Previous revision		Revision as of 17:57, 17 January 2016
Line 86:		Line 86:
	messages['overall-result'] = '\tTotal time spent was about $1 seconds.\n'		messages['overall-result'] = '\tTotal time spent was about $1 seconds.\n'
	messages['load-result'] = 'Relative load is estimated to $1.\n'		messages['load-result'] = 'Relative load is estimated to $1.\n'

	local formatstring = '%.1e'

	local function g( key, ...)		local function g( key, ...)
Line 106:		Line 104:

	local strings = {		local strings = {
	g('call-result'):numParams(unpack(f(~~formatstring~~, timing[1]))):plain(),		g('call-result'):numParams(unpack(f('%.1e', timing[1]))):plain(),
	g('mean-result'):numParams(unpack(f(~~formatstring~~, timing[2]))):plain(),		g('mean-result'):numParams(unpack(f('%.1e', timing[2]))):plain(),
	g('overall-result'):numParams(unpack(f(~~formatstring~~, timing[3]))):plain(),		g('overall-result'):numParams(unpack(f('%.1e', timing[3]))):plain(),
	g('load-result'):numParams(unpack(f(~~formatstring~~, timing[4]))):plain()		g('load-result'):numParams(unpack(f('%.1f', timing[4]))):plain()
	}		}
	return table.concat(strings, '')		return table.concat(strings, '')

Jeblad at 17:50, 17 January 2016

2016-01-17T17:50:56Z

← Previous revision		Revision as of 17:50, 17 January 2016
Line 87:		Line 87:
	messages['load-result'] = 'Relative load is estimated to $1.\n'		messages['load-result'] = 'Relative load is estimated to $1.\n'

	local formatstring = '%.2e'		local formatstring = '%.1e'

	local function g( key, ...)		local function g( key, ...)

Jeblad at 17:49, 17 January 2016

2016-01-17T17:49:23Z

← Previous revision		Revision as of 17:49, 17 January 2016
Line 87:		Line 87:
	messages['load-result'] = 'Relative load is estimated to $1.\n'		messages['load-result'] = 'Relative load is estimated to $1.\n'

	local formatstring = '%2e'		local formatstring = '%.2e'

	local function g( key, ...)		local function g( key, ...)