[Harbour] 2008-10-05 17:53 UTC+0200 Przemyslaw Czerpak(druzus/at/priv.onet.pl)

[Lorenzo Fiorini]

On Sun, Oct 5, 2008 at 9:04 PM, Przemyslaw Czerpak <druzus at acn.waw.pl> wrote:

> Thank you very much. As I can see you two CPU machine and in all tests
> which does not allocate new memory you have the factor close to 2.0.
> Very nice. Also:
>   [ T004: x := S_C ]______________________________  2.09   1.39 ->  1.51
> Is quite good so the overhead caused by operating on the same reference
> counter is relatively small. At least much smaller then in my machine.
> So probably the same will be with spinlocks.
> If you can please also make test for:
>   speedtst --thread=2 --scale --exclude=mem
> It will be much shorter due the less number of threads and tests.

Just for report, here is my cat /proc/cpuinfo:

model name	: Intel(R) Core(TM)2 Duo CPU     E6750  @ 2.66GHz

I'm faster but I'm far from 2.0 using:

 ./speedtst --thread=2 --scale --exclude=mem &> speedtst.log

under Fedora 9.

Is it expected?

best regards,
Lorenzo

10/05/08 21:43:57 Linux 2.6.26.5-45.fc9.i686 i686
Harbour 1.1.0dev (Rev. 9551) (MT)+ GNU C 4.3 (32 bit)
THREADS: 2
N_LOOPS: 1000000
excluded tests: 029 030 023 025 027 040 041 043 052 053 019 022 031 032
                                                        1 th.  2 th.  factor
============================================================================
[ T001: x := L_C ]____________________________________  0.25   0.21 ->  1.20
[ T002: x := L_N ]____________________________________  0.18   0.16 ->  1.13
[ T003: x := L_D ]____________________________________  0.17   0.16 ->  1.05
[ T004: x := S_C ]____________________________________  0.23   0.22 ->  1.04
[ T005: x := S_N ]____________________________________  0.17   0.16 ->  1.02
[ T006: x := S_D ]____________________________________  0.17   0.16 ->  1.08
[ T007: x := M_C ]____________________________________  0.25   0.20 ->  1.25
[ T008: x := M_N ]____________________________________  0.19   0.20 ->  0.97
[ T009: x := M_D ]____________________________________  0.18   0.19 ->  0.99
[ T010: x := P_C ]____________________________________  0.24   0.19 ->  1.30
[ T011: x := P_N ]____________________________________  0.19   0.19 ->  0.98
[ T012: x := P_D ]____________________________________  0.19   0.18 ->  1.05
[ T013: x := F_C ]____________________________________  0.50   0.28 ->  1.79
[ T014: x := F_N ]____________________________________  0.48   0.27 ->  1.74
[ T015: x := F_D ]____________________________________  0.27   0.18 ->  1.51
[ T016: x := o:GenCode ]______________________________  0.43   0.25 ->  1.71
[ T017: x := o[8] ]___________________________________  0.34   0.27 ->  1.27
[ T018: round( i / 1000, 2 ) ]________________________  0.57   0.37 ->  1.52
[ T020: val( s ) ]____________________________________  0.62   0.36 ->  1.71
[ T021: val( a [ i % 16 + 1 ] ) ]_____________________  0.95   0.59 ->  1.61
[ T024: eval( bc := { || i % 16 } ) ]_________________  0.56   0.43 ->  1.30
[ T026: eval( bc := { |x| x % 16 }, i ) ]_____________  0.57   0.47 ->  1.23
[ T028: eval( bc := { |x| f1( x ) }, i ) ]____________  0.76   0.66 ->  1.15
[ T033: x := a[ i % 16 + 1 ] == s ]___________________  0.76   0.60 ->  1.27
[ T034: x := a[ i % 16 + 1 ] = s ]____________________  0.81   0.58 ->  1.39
[ T035: x := a[ i % 16 + 1 ] >= s ]___________________  0.80   0.60 ->  1.33
[ T036: x := a[ i % 16 + 1 ] <= s ]___________________  0.80   0.59 ->  1.36
[ T037: x := a[ i % 16 + 1 ] < s ]____________________  0.80   0.60 ->  1.34
[ T038: x := a[ i % 16 + 1 ] > s ]____________________  0.78   0.60 ->  1.29
[ T039: ascan( a, i % 16 ) ]__________________________  0.72   0.48 ->  1.52
[ T042: x := a ]______________________________________  0.26   0.20 ->  1.31
[ T044: f0() ]________________________________________  0.30   0.31 ->  0.97
[ T045: f1( i ) ]_____________________________________  0.38   0.36 ->  1.06
[ T046: f2( c[1...8] ) ]______________________________  0.45   0.37 ->  1.22
[ T047: f2( c[1...40000] ) ]__________________________  0.45   0.38 ->  1.19
[ T048: f2( @c[1...40000] ) ]_________________________  0.46   0.39 ->  1.17
[ T049: f2( @c[1...40000] ), c2 := c ]________________  0.49   0.46 ->  1.09
[ T050: f3( a, a2, s, i, s2, bc, i, n, x ) ]__________  1.06   0.80 ->  1.33
[ T051: f2( a ) ]_____________________________________  0.45   0.42 ->  1.08
[ T054: f_prv( c ) ]__________________________________  1.23   0.86 ->  1.43
============================================================================
[   TOTAL   ]_________________________________________ 19.48  14.95 ->  1.30
============================================================================
[ total application time: ]....................................44.97
[ total real time: ]...........................................34.43