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-- Elua benchmark module
-- Dependencies: eina.counter, eina.log, util, cutil
local cutil = require("cutil")
local util = require("util")
local counter = require("eina.counter")
local log = require("eina.log")
local Counter = counter.Counter
local M = {}
local dom
cutil.init_module(function()
dom = log.Domain("elua_benchmark")
if not dom:is_valid() then
log.err("Could not register log domain: elua_benchmark")
return false
end
return true
end, function()
dom:unregister()
dom = nil
return true
end)
local PLOT_MASK = "bench_%s_%s.gnuplot"
local DATA_MASK = "bench_%s_%s.%s.data"
M.Benchmark = util.Object:clone {
__ctor = function(self, name, run)
self.name, self.run = name, run
self.runs = {}
end,
register = function(self, name, bench_cb, c_start, c_end, c_step)
self.runs[#self.runs + 1] = {
cb = bench_cb, name = name, c_start = c_start, c_end = c_end,
c_step = c_step
}
return true
end,
run = function(self, pmask, dmask)
pmask, dmask = pmask or PLOT_MASK, dmask or DATA_MASK
local fname = pmask:format(self.name, self.run)
local plots = io.open(fname, "w")
if not plots then
return nil
end
local fnames = {}
fnames[#fnames + 1] = fname
plots:write(([[
set autoscale # scale axes automatically
unset log # remove any log-scaling
unset label # remove any previous labels
set xtic auto # set xtics automatically
set ytic auto # set ytics automatically
set terminal png size 1024,768
set output "output_%s_%s.png"
set title "%s %s"
set xlabel "tests"
set ylabel "time"
plot ]]):format(self.name, self.run, self.name, self.run))
local first = false
for i, run in ipairs(self.runs) do
local fname = dmask:format(self.name, self.run, run.name)
local datas = io.open(fname, "w")
if datas then
fnames[#fnames + 1] = fname
local cnt = Counter(run.name)
for i = run.c_start, run.c_end, run.c_step do
io.stderr:write("Run ", run.name, ": ", i, "\n")
cnt:start()
run.cb(i)
cnt:stop(i)
end
local ret = cnt:dump()
if ret then
datas:write(ret)
end
cnt:free()
datas:close()
if not first then
first = true
else
plots:write(", \\\n")
end
plots:write(("\"%s\" using 1:2 title \'%s\' with line")
:format(fname, run.name))
end
end
plots:write("\n")
plots:close()
return fnames
end
}
return M
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