buffer_test

local x,y = term.getSize()
os.loadAPI("api/buffer")
test = buffer
--local test = term_buffer
local trials = ... and ... or 10
local tstart,tend,tstart_buffer,tend_buffer = 0
term.clear()
--start benchmark of regular term api
tstart = os.clock()
for trial=trials,0,-1 do
  term.setCursorPos(1,1)
  for j=0,y do
    for i=0,x do
      term.setCursorPos(i,j)
      term.setBackgroundColor((2^math.random(0,15)))
      term.setTextColor((2^math.random(0,15)))
      term.write(tostring(math.random(0,10)))
    end
  end
end
tend = os.clock()
sleep(.2)
term.clear()
--start benchmark of buffer api
tstart_buffer = os.clock()
for trial=trials,0,-1 do
  test.pos_x = 1
  test.pos_y = 1
  for j=0,y do
    for i=0,x do
      test.pos_x = i
      test.pos_y = j
      test.back = (2^math.random(0,15))
      test.text = (2^math.random(0,15))
      test:write(tostring(math.random(0,10)))
    end
  end
  test:draw()
end
tend_buffer = os.clock()
--done with generation
sleep(.2)
term.setCursorPos(1,1)
term.setBackgroundColor(0x8000)
term.setTextColor(0x1)
term.clear()
term.write("Trials: "..(trials).." Unbuff: "..(tend-tstart).." buff: "..(tend_buffer-tstart_buffer).." diff: "..(math.abs((tend-tstart)-(tend_buffer-tstart_buffer))))
term.setCursorPos(1,2)