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SPEED.DOC
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SPEED.DOC
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JUDAS FAST MIXER, CUBIC PLAYER 2.00à++ & MIDAS 0.6.0 SPEED TEST
---------------------------------------------------------------
CPU: AMD K5 PR166
Soundcard: VIBRA16 at A220 I5 D1 H5
Audio Mode: 16bit stereo at 44.1 kHz, with & without interpolation
Test Method: Shell to DOS from player and measure amount of CPU time left
(by using a program which counts how many times it can increase
a counter before the BIOS 18.2 Hz clock increases)
Tune: T2-REMIX.XM (26 channels), CPU usage measured 10 seconds from
where the rock drums (?) enter
Remarks: CP2 used the Standard Mixer (equal to Fast Mixer in JUDAS).
Its AOI mode was used in the interpolation test. MIDAS couldn't
interpolate so it participated only in the first test.
RESULTS
-------
TEST 1: Without interpolation
Player CP2 JUDAS MIDAS
Time Left 88.7% 92.4% 92.6%
TEST 2: With interpolation
Player CP2 JUDAS
Time Left 78.8% 85.1%
CONCLUSIONS
-----------
In the non-interpolation test, JUDAS is only a little bit slower than MIDAS.
One must note that JUDAS performs clipping of audio output, while MIDAS doesn't
(it clips only 8bit output.) CP2 is clearly slower than the two.
The interpolation test doesn't leave much to guess...however the interpolation
of 8-bit samples in CP2 is more sophisticated (16-bit.) Cadaver can't hear the
difference though!