Welcome to the CHICKEN Scheme pasting service

-O (the letter) benchmarks added by mario-goulart on Mon May 28 19:44:53 2012

;;;
;;; Using chicken 4.7.4
;;;

+---[1]:
|-> installation-prefix: from $PATH
|-> csc-options: -O0
|-> repetitions: 10

+---[2]:
|-> installation-prefix: from $PATH
|-> csc-options: -O1
|-> repetitions: 10

+---[3]:
|-> installation-prefix: from $PATH
|-> csc-options: -O2
|-> repetitions: 10

+---[4]:
|-> installation-prefix: from $PATH
|-> csc-options: -O3
|-> repetitions: 10

+---[5]:
|-> installation-prefix: from $PATH
|-> csc-options: -O4
|-> repetitions: 10

+---[6]:
|-> installation-prefix: from $PATH
|-> csc-options: -O5
|-> repetitions: 10

Programs                   [1]       [2]       [3]       [4]       [5]       [6]
================================================================================
scheme____________________0.44_____0.164_____0.164_____0.164______0.14_____0.076
div-iter_________________1.768_____0.212_____0.212_____0.156_____0.072______0.06
destructive_______________3.94_____0.724______0.72_____0.696_____0.704_____0.592
traverse_________________7.192_____2.588_____2.596______1.46_____1.204_____0.704
nbody___________________38.452____25.892____25.848____16.988_____6.428_____5.884
fprint___________________1.076_____1.076______1.08_____1.072_____1.076_____1.072
hanoi_____________________12.2_____4.732_____4.744_____4.748_____4.872_____3.976
dderiv___________________5.264______4.24______4.28______4.24_____4.188_____3.652
triangl___________________23.3_____7.312_____7.308_____6.496_____5.252_______4.2
lattice________________289.594_____62.48_____61.94______58.1_____52.32____23.516
conform__________________2.024_____1.084_____1.156_____0.724______0.64_______0.4
takr____________________12.308_____4.528______4.54_____4.444_____4.052_____2.956
takl_____________________7.728_____1.712_____1.704_____1.176_____0.872_____0.152
binarytrees______________1.728_____0.844_____0.832_____0.792_____0.776_____0.668
travinit_________________2.224_____0.616_____0.612_____0.584_____0.496______0.46
maze_____________________3.344_____1.492_____1.512_____1.076_____0.984_____0.768
dynamic__________________1.948_____1.536______1.48_____1.332_______1.3_____1.392
deriv____________________5.084_____3.924______3.48_____3.408_____3.504_____3.292
puzzle___________________1.644_____0.424_____0.412_____0.404_____0.308______0.24
fread___________________11.432____11.424____11.416____11.436____11.464_____11.58
fib______________________3.372_____1.656_____1.644_____1.524_____1.564_____1.248
div-rec__________________1.888_____0.532_____0.536_____0.452_____0.324_____0.224
fft______________________1.148_____0.388_____0.384_____0.392_____0.352_____0.356
nqueens___________________2.28_____0.472______0.48_____0.424______0.42______0.34
tak_______________________8.78_____3.376_____3.384______3.02_____3.072_____2.164
earley____________________0.86_______0.4_____0.396_____0.404______0.42_____0.376
boyer____________________2.496_____1.116_____1.112_____1.088______1.06_____0.848
fibc____________________25.688_____10.98____11.016____10.448_____10.24_____8.228
browse___________________2.676_____0.924_____0.956______0.96_____0.904_____0.832
cpstak___________________9.828_____4.024_____4.032_____4.012______3.98_____2.496
0____________________________0_________0_________0_________0_________0_________0
ctak_____________________2.056_____1.476______1.46_____1.444_____1.424_____1.164

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Which procedure can be used to check whether its argument is a string?
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