Source Browser ?

1\starttext
2
3\startluacode
4
5    if jit then
6        jit.on()
7        jit.off()
8    end
9
10    local t = os.clock()
11    local a = 0
12    for i=1,10*1000*1000 do
13        a = a + math.sin(i)
14    end
15    context(os.clock()-t)
16
17    context.par()
18
19    local t = os.clock()
20    local sin = math.sin
21    local a = 0
22    for i=1,10*1000*1000 do
23        a = a + sin(i)
24    end
25    context(os.clock()-t)
26
27\stopluacode
28
29\stoptext
30