[dennou-ruby:000768] Re: NumArray / NArray

[KOSHIRO Tsuyoshi <koshiro@xxxxxx>]

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#### NArray vs NumArray #### 
shisoku 
  0.220000   0.110000   0.330000 (  0.333320) 
  0.390000   0.190000   0.580000 (  0.585586) 
shisoku (with scalar) 
  0.230000   0.070000   0.300000 (  0.298966) 
  0.420000   0.170000   0.590000 (  0.588529) 
shisoku (with scalar, coerced) 
  0.230000   0.100000   0.330000 (  0.331695) 
  0.440000   0.150000   0.590000 (  0.582622) 
math 
  0.830000   0.070000   0.900000 (  0.901456) 
  0.700000   0.150000   0.850000 (  0.849729) 
sum, av, var, rms 
  0.090000   0.000000   0.090000 (  0.093043) 
  0.100000   0.000000   0.100000 (  0.092251) 
max, min, median 
  0.000000   0.000000   0.000000 (  0.000016) 
  0.000000   0.000000   0.000000 (  0.000015) 
transpose 
  0.160000   0.040000   0.200000 (  0.202790) 
  0.570000   0.040000   0.610000 (  0.604540) 
 
#### shisoku in gcc (10 iterations of +-*/) #### 
 
real    0m1.044s 
user    0m0.950s 
sys     0m0.100s


��Linux -- Alpha21164A  667MHz (or 750MHz? ���ߤޤ��󡤳�ǧ���ޤ�)


#### NArray vs NumArray ####
shisoku
  0.177734   0.062500   0.240234 (  0.240303)
  0.258789   0.054688   0.313477 (  0.313567)
shisoku (with scalar)
  0.199219   0.056641   0.255859 (  0.254956)
  0.238281   0.055664   0.293945 (  0.294030)
shisoku (with scalar, coerced)
  0.183594   0.051758   0.235352 (  0.235419)
  0.223633   0.069336   0.292969 (  0.293053)
math
  1.145508   0.055664   1.201172 (  1.201516)
  1.162109   0.041016   1.203125 (  1.202493)
sum, av, var, rms
  0.068359   0.000000   0.068359 (  0.068379)
  0.044922   0.000000   0.044922 (  0.043958)
max, min, median
  0.000000   0.000000   0.000000 (  0.000000)
  0.000000   0.000000   0.000000 (  0.000000)
transpose
  0.121094   0.016602   0.137695 (  0.137735)
  1.068359   0.014648   1.083008 (  1.082342)

#### shisoku in Compaq Fortran (10 iterations of +-*/) ####

real    0m1.404s
user    0m1.371s
sys     0m0.031s
#### shisoku in gcc (10 iterations of +-*/) ####
./Bench: line 12:  4222 Floating point exception./a.out

real    0m0.107s
user    0m0.090s
sys     0m0.018s


-- 
����  �� (KOSHIRO Tsuyoshi)  <t.koushiro@xxxxxx> 
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