On an i7 3770k:
Rarewares 64 bit:
F:\Testdir>lame -V 0 12.wav 12.mp3
LAME 3.99.5 64bits (http://lame.sf.net)
CPU features: SSE (ASM used), SSE2
polyphase lowpass filter disabled
Encoding 12.wav to 12.mp3
Encoding as 44.1 kHz j-stereo MPEG-1 Layer III VBR(q=0)
Frame | CPU time/estim | REAL time/estim | play/CPU | ETA
10578/10578 (100%)| 0:04/ 0:04| 0:04/ 0:04| 67.462x| 0:00
32 [ 151] ***
40 [ 1] *
48 [ 2] %
56 [ 1] %
64 [ 1] %
80 [ 0]
96 [ 2] %
112 [ 1] %
128 [ 1] %
160 [ 5] %
192 [ 49] %
224 [ 2688] %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*******
256 [ 4951] %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*********************
320 [ 2725] %%%%%%%%%%%%%%%%%%%%%%%%%************
-------------------------------------------------------------------------------
kbps LR MS % long switch short %
260.7 70.0 30.0 87.3 7.0 5.7
Writing LAME Tag...done
ReplayGain: 0.0dB
Intel 14.0.3 64 bit:
F:\Testdir>lame -V 0 12.wav 12.mp3
LAME 3.99.5 64bits (http://lame.sf.net)
CPU features: SSE (ASM used), SSE2
polyphase lowpass filter disabled
Encoding 12.wav to 12.mp3
Encoding as 44.1 kHz j-stereo MPEG-1 Layer III VBR(q=0)
Frame | CPU time/estim | REAL time/estim | play/CPU | ETA
10578/10578 (100%)| 0:03/ 0:03| 0:03/ 0:03| 71.531x| 0:00
32 [ 151] ***
40 [ 1] *
48 [ 2] %
56 [ 1] %
64 [ 1] %
80 [ 0]
96 [ 2] %
112 [ 1] %
128 [ 1] %
160 [ 5] %
192 [ 49] %
224 [ 2688] %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*******
256 [ 4951] %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*********************
320 [ 2725] %%%%%%%%%%%%%%%%%%%%%%%%%************
-------------------------------------------------------------------------------
kbps LR MS % long switch short %
260.7 70.0 30.0 87.3 7.0 5.7
Writing LAME Tag...done
ReplayGain: 0.0dB
Rarewares 32 bit
F:\Testdir>lame -V 0 12.wav 12.mp3
LAME 3.99.5 32bits (http://lame.sf.net)
CPU features: MMX (ASM used), SSE (ASM used), SSE2
polyphase lowpass filter disabled
Encoding 12.wav to 12.mp3
Encoding as 44.1 kHz j-stereo MPEG-1 Layer III VBR(q=0)
Frame | CPU time/estim | REAL time/estim | play/CPU | ETA
10578/10578 (100%)| 0:04/ 0:04| 0:04/ 0:04| 62.758x| 0:00
32 [ 151] ***
40 [ 1] *
48 [ 2] %
56 [ 1] %
64 [ 1] %
80 [ 0]
96 [ 2] %
112 [ 0]
128 [ 3] %
160 [ 4] %
192 [ 44] %
224 [ 2688] %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*******
256 [ 4959] %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*********************
320 [ 2722] %%%%%%%%%%%%%%%%%%%%%%%%%************
-------------------------------------------------------------------------------
kbps LR MS % long switch short %
260.7 70.0 30.0 87.3 7.0 5.7
Writing LAME Tag...done
ReplayGain: 0.0dB
Intel 14.0.3 32 bit:
F:\Testdir>lame -V 0 12.wav 12.mp3
LAME 3.99.5 32bits (http://lame.sf.net)
CPU features: MMX (ASM used), SSE (ASM used), SSE2
polyphase lowpass filter disabled
Encoding 12.wav to 12.mp3
Encoding as 44.1 kHz j-stereo MPEG-1 Layer III VBR(q=0)
Frame | CPU time/estim | REAL time/estim | play/CPU | ETA
10578/10578 (100%)| 0:04/ 0:04| 0:04/ 0:04| 64.562x| 0:00
32 [ 151] ***
40 [ 1] *
48 [ 2] %
56 [ 1] %
64 [ 1] %
80 [ 0]
96 [ 2] %
112 [ 0]
128 [ 3] %
160 [ 4] %
192 [ 44] %
224 [ 2688] %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*******
256 [ 4959] %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*********************
320 [ 2722] %%%%%%%%%%%%%%%%%%%%%%%%%************
-------------------------------------------------------------------------------
kbps LR MS % long switch short %
260.7 70.0 30.0 87.3 7.0 5.7
Writing LAME Tag...done
ReplayGain: 0.0dB
I'll post the new version at Rarewares.