On 25/07/17 22:50, Steven Franke wrote:

> FWIW, you may find that r7946 is somewhat faster than r7944, on all settings. 
> I have made a change that will reduce the number of non-viable candidates 
> that are sent to the decoders.

Thanks Steve. Thanks also to Joe for the tip on timer.out.

I've done some more measurements, comparing r7944 with r7956. Did the
latter with and without AP. (Haven't yet found out how to persuade JTSDK
to pick a specific revision e.g. r7946. Maybe I should RTFM.)

Ubuntu MATE 16.04 amd64
Core 2 Duo E6700 (2 x 2.66 GHz)
Same .wav as in previous post (170725_194345.wav)

Summary of results    r7944     r7956      r7956
                                (AP off)   (AP on)

Fast                  0.605     0.137      0.148
Normal                1.176     0.676      0.750
Deep                  2.785     0.809      1.535

So, it looks as though things have speeded up considerably since r7944.
This will be a big help. Many thanks for all your efforts.

Full 'timer.out' results in attached file.

73,
Richard G4DYA


G4DYA timings on r7956 versus r7944

1.7.1-devel-r7944:
Fast:
 Name                 Time  Frac     dTime dFrac    Calls
----------------------------------------------------------
 decoder             0.605  1.00     0.023  0.04        1
  decft8             0.582  0.96     0.086  0.14        1
   sync8             0.066  0.11     0.066  0.11        1
   ft8b              0.430  0.71     0.086  0.14      117
    ft8_down         0.016  0.03     0.016  0.03      117
    bpd174           0.328  0.54     0.328  0.54      319
----------------------------------------------------------
                                     0.605  1.00

Normal:
 Name                 Time  Frac     dTime dFrac    Calls
----------------------------------------------------------
 decoder             1.176  1.00     0.004  0.00        1
  decft8             1.172  1.00     0.008  0.01        1
   sync8             0.051  0.04     0.051  0.04        2
   ft8b              1.113  0.95     0.500  0.43      230
    ft8_down         0.008  0.01     0.008  0.01      230
    bpd174           0.605  0.51     0.605  0.51      658
----------------------------------------------------------
                                     1.176  1.00

Deep:
 Name                 Time  Frac     dTime dFrac    Calls
----------------------------------------------------------
 decoder             2.785  1.00     0.004  0.00        1
  decft8             2.781  1.00     0.000  0.00        1
   sync8             0.051  0.02     0.051  0.02        2
   ft8b              2.730  0.98     0.559  0.20      230
    ft8_down         0.020  0.01     0.020  0.01      230
    bpd174           1.195  0.43     1.195  0.43     1085
    osd174           0.957  0.34     0.957  0.34     1061
----------------------------------------------------------
                                     2.785  1.00

1.7.1-devel-r7956:
Fast (AP off):
 Name                 Time  Frac     dTime dFrac    Calls
----------------------------------------------------------
 decoder             0.137  1.00     0.000  0.00        1
  decft8             0.137  1.00     0.023  0.17        1
   sync8             0.031  0.23     0.031  0.23        1
   ft8b              0.082  0.60     0.023  0.17      117
    ft8_down         0.012  0.09     0.012  0.09      117
    bpd174           0.047  0.34     0.047  0.34       52
----------------------------------------------------------
                                     0.137  1.00

Normal (AP off):
 Name                 Time  Frac     dTime dFrac    Calls
----------------------------------------------------------
 decoder             0.676  1.00     0.000  0.00        1
  decft8             0.676  1.00     0.008  0.01        1
   sync8             0.047  0.07     0.047  0.07        2
   ft8b              0.621  0.92     0.531  0.79      230
    ft8_down         0.016  0.02     0.016  0.02      230
    bpd174           0.074  0.11     0.074  0.11      100
----------------------------------------------------------
                                     0.676  1.00

Deep (AP off):
 Name                 Time  Frac     dTime dFrac    Calls
----------------------------------------------------------
 decoder             0.809  1.00     0.000  0.00        1
  decft8             0.809  1.00     0.000  0.00        1
   sync8             0.051  0.06     0.051  0.06        2
   ft8b              0.758  0.94     0.535  0.66      230
    ft8_down         0.027  0.03     0.027  0.03      230
    bpd174           0.078  0.10     0.078  0.10      100
    osd174           0.117  0.14     0.117  0.14       83
----------------------------------------------------------
                                     0.809  1.00

Fast (AP on):
 Name                 Time  Frac     dTime dFrac    Calls
----------------------------------------------------------
 decoder             0.148  1.00     0.000  0.00        1
  decft8             0.148  1.00     0.004  0.03        1
   sync8             0.023  0.16     0.023  0.16        1
   ft8b              0.121  0.82     0.020  0.13      117
    ft8_down         0.020  0.13     0.020  0.13      117
    bpd174           0.082  0.55     0.082  0.55       76
----------------------------------------------------------
                                     0.148  1.00

Normal (AP on):
 Name                 Time  Frac     dTime dFrac    Calls
----------------------------------------------------------
 decoder             0.750  1.00     0.000  0.00        1
  decft8             0.750  1.00     0.012  0.02        1
   sync8             0.051  0.07     0.051  0.07        2
   ft8b              0.688  0.92     0.508  0.68      230
    ft8_down         0.023  0.03     0.023  0.03      230
    bpd174           0.156  0.21     0.156  0.21      155
----------------------------------------------------------
                                     0.750  1.00

Deep (AP on):
 Name                 Time  Frac     dTime dFrac    Calls
----------------------------------------------------------
 decoder             1.535  1.00     0.000  0.00        1
  decft8             1.535  1.00     0.004  0.00        1
   sync8             0.043  0.03     0.043  0.03        2
   ft8b              1.488  0.97     0.539  0.35      230
    ft8_down         0.023  0.02     0.023  0.02      230
    bpd174           0.156  0.10     0.156  0.10      155
    osd174           0.770  0.50     0.770  0.50      137
----------------------------------------------------------
                                     1.535  1.00
------------------------------------------------------------------------------
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