benchmarks/string: Updated bench scripts for strings

[nit.git] / benchmarks / strings / substr_bench.nit

diff --git a/benchmarks/strings/substr_bench.nit b/benchmarks/strings/substr_bench.nit
index effb9ec..3727960 100644 (file)
--- a/benchmarks/strings/substr_bench.nit
+++ b/benchmarks/strings/substr_bench.nit
@@ -12,15 +12,16 @@
 module substr_bench
 
 import opts
+intrude import standard::ropes
 
 fun bench_flatstr(nb_cct: Int, loops: Int, strlen: Int)
 do
        var a = "a" * strlen
-       var x = a
-       for i in [0 .. nb_cct] do x += a
+       a = a * nb_cct
+       var maxl = a.length - 1
        var cnt = 0
        while cnt != loops do
-               x.substring(0,5)
+               a.substring(maxl.rand, maxl.rand)
                cnt += 1
        end
 end
@@ -28,17 +29,44 @@ end
 fun bench_flatbuf(nb_cct: Int, loops: Int, strlen: Int)
 do
        var a = "a" * strlen
+       a = a * nb_cct
+       var maxl = a.length - 1
        var x = new FlatBuffer.from(a)
-       for i in [0 .. nb_cct] do x.append a
        var cnt = 0
        while cnt != loops do
-               x.substring(0,5)
+               x.substring(maxl.rand, maxl.rand)
+               cnt += 1
+       end
+end
+
+fun bench_ropestr(nb_cct: Int, loops: Int, strlen: Int)
+do
+       var a = "a" * strlen
+       var x = new Concat(a, a)
+       for i in [2 .. nb_cct[ do x = new Concat(x, a)
+       var maxl = x.length - 1
+       var cnt = 0
+       while cnt != loops do
+               x.substring(maxl.rand, maxl.rand)
+               cnt += 1
+       end
+end
+
+fun bench_ropebuf(nb_cct: Int, loops: Int, strlen: Int)
+do
+       var a = "a" * strlen
+       var x = new RopeBuffer.from(a)
+       for i in [1 .. nb_cct[ do x.append a
+       var maxl = x.length - 1
+       var cnt = 0
+       while cnt != loops do
+               x.substring(maxl.rand, maxl.rand)
                cnt += 1
        end
 end
 
 var opts = new OptionContext
-var mode = new OptionEnum(["flatstr", "flatbuf"], "Mode", -1, "-m")
+var mode = new OptionEnum(["flatstr", "flatbuf", "ropestr", "ropebuf"], "Mode", -1, "-m")
 var nb_ccts = new OptionInt("Number of concatenations done to the string (in the case of the rope, this will increase its depth)", -1, "--ccts")
 var loops = new OptionInt("Number of loops to be done", -1, "--loops")
 var strlen = new OptionInt("Length of the base string", -1, "--strlen")
@@ -52,11 +80,16 @@ if nb_ccts.value == -1 or loops.value == -1 or strlen.value == -1 then
 end
 
 var modval = mode.value
+srand_from(0)
 
 if modval == 0 then
        bench_flatstr(nb_ccts.value, loops.value, strlen.value)
 else if modval == 1 then
        bench_flatbuf(nb_ccts.value, loops.value, strlen.value)
+else if modval == 2 then
+       bench_ropestr(nb_ccts.value, loops.value, strlen.value)
+else if modval == 3 then
+       bench_ropebuf(nb_ccts.value, loops.value, strlen.value)
 else
        opts.usage
        exit(-1)