I tested on my side.
foobar2000 0.9.6.1b2
Intel C2Duo E6300 (1.83 GHz) // 1 GB RAM)
I set foobar2000's test speed to 10 pass and I took the fastest one to fill the table.
I also choose four files from my own music library having four different level of complexity: the first one reaches 250 kbps; the second 500 kbps; the third 750 kbps and the last one 1000 kbps (all originally encoded with flac -5). Why? Simply because I noticed that decoding speed changes a lot depending on the file and its bitrate.
| FLAC -0 | FLAC -8 | TAK -p0 | TAK -p4
----------|---------|---------|----------|-----------
250 kbps | x528 | x488 | x284 | x192
500 kbps | x444 | x406 | x282 | x165
750 kbps | x434 | x370 | x259 | x151
1000 kbps | x422 | x325 | x243 | x150
If I compare this table to the past test I performed one year ago on the same computer and with a ~1000 kbps file:
- flac decoding speed is similar (x312 vs x325)
- TAK decoding speed on fb2k significantly increased (x181 vs x243)
foobar2000 exact values:
File: C:\flac\test\test\250kbps FLAC-0.flac
Opening time: 0:00.001 min, 0:00.018 max, 0:00.002 average
Decoding time: 0:00.349 min, 0:00.351 max, 0:00.350 average
Speed (x realtime): 524.197 min, 528.377 max, 526.773 average
File: C:\flac\test\test\250kbps FLAC-8.flac
Opening time: 0:00.001 min, 0:00.017 max, 0:00.002 average
Decoding time: 0:00.377 min, 0:00.385 max, 0:00.380 average
Speed (x realtime): 478.679 min, 488.796 max, 484.094 average
File: C:\flac\test\test\250kbps TAK p0.tak
Opening time: 0:00.000 min, 0:00.016 max, 0:00.002 average
Decoding time: 0:00.646 min, 0:00.649 max, 0:00.648 average
Speed (x realtime): 283.568 min, 284.903 max, 284.317 average
File: C:\flac\test\test\250kbps TAK p4.tak
Opening time: 0:00.001 min, 0:00.015 max, 0:00.002 average
Decoding time: 0:00.958 min, 0:00.960 max, 0:00.959 average
Speed (x realtime): 191.794 min, 192.300 max, 192.107 average
************************************************************************
File: C:\flac\test\test\500kbps FLAC-0.flac
Opening time: 0:00.001 min, 0:00.026 max, 0:00.003 average
Decoding time: 0:00.331 min, 0:00.335 max, 0:00.332 average
Speed (x realtime): 440.209 min, 444.940 max, 443.115 average
File: C:\flac\test\test\500kbps FLAC-8.flac
Opening time: 0:00.001 min, 0:00.026 max, 0:00.003 average
Decoding time: 0:00.362 min, 0:00.366 max, 0:00.364 average
Speed (x realtime): 402.274 min, 406.770 max, 404.358 average
File: C:\flac\test\test\500kbps TAK p0.tak
Opening time: 0:00.000 min, 0:00.025 max, 0:00.003 average
Decoding time: 0:00.521 min, 0:00.524 max, 0:00.522 average
Speed (x realtime): 280.986 min, 282.703 max, 282.039 average
File: C:\flac\test\test\500kbps TAK p4.tak
Opening time: 0:00.001 min, 0:00.025 max, 0:00.004 average
Decoding time: 0:00.888 min, 0:00.891 max, 0:00.889 average
Speed (x realtime): 165.397 min, 165.853 max, 165.623 average
************************************************************************
File: C:\flac\test\test\750kbps FLAC-0.flac
Opening time: 0:00.001 min, 0:00.063 max, 0:00.007 average
Decoding time: 0:00.575 min, 0:00.577 max, 0:00.576 average
Speed (x realtime): 432.590 min, 434.455 max, 433.582 average
File: C:\flac\test\test\750kbps FLAC-8.flac
Opening time: 0:00.001 min, 0:00.063 max, 0:00.007 average
Decoding time: 0:00.675 min, 0:00.678 max, 0:00.677 average
Speed (x realtime): 368.238 min, 370.070 max, 369.082 average
File: C:\flac\test\test\750kbps TAK p0.tak
Opening time: 0:00.000 min, 0:00.062 max, 0:00.007 average
Decoding time: 0:00.963 min, 0:00.967 max, 0:00.965 average
Speed (x realtime): 258.226 min, 259.176 max, 258.667 average
File: C:\flac\test\test\750kbps TAK p4.tak
Opening time: 0:00.001 min, 0:00.061 max, 0:00.007 average
Decoding time: 0:01.651 min, 0:01.655 max, 0:01.653 average
Speed (x realtime): 150.874 min, 151.224 max, 151.091 average
************************************************************************
File: C:\flac\test\test\1000kbps FLAC-0.flac
Opening time: 0:00.001 min, 0:00.059 max, 0:00.006 average
Decoding time: 0:00.412 min, 0:00.416 max, 0:00.413 average
Speed (x realtime): 418.770 min, 422.565 max, 421.343 average
File: C:\flac\test\test\1000kbps FLAC-8.flac
Opening time: 0:00.001 min, 0:00.059 max, 0:00.006 average
Decoding time: 0:00.535 min, 0:00.537 max, 0:00.535 average
Speed (x realtime): 323.822 min, 325.526 max, 325.008 average
File: C:\flac\test\test\1000kbps TAK p0.tak
Opening time: 0:00.000 min, 0:00.058 max, 0:00.006 average
Decoding time: 0:00.714 min, 0:00.717 max, 0:00.715 average
Speed (x realtime): 242.555 min, 243.622 max, 243.214 average
File: C:\flac\test\test\1000kbps TAK p4.tak
Opening time: 0:00.000 min, 0:00.055 max, 0:00.006 average
Decoding time: 0:01.155 min, 0:01.159 max, 0:01.157 average
Speed (x realtime): 150.079 min, 150.697 max, 150.406 average
[!--sizeo:1--][span style=\"font-size:8pt;line-height:100%\"][!--/sizeo--]EDIT: changed CPU name from E4300 to E6300[/size]