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51 lines
1.3 KiB
Plaintext
51 lines
1.3 KiB
Plaintext
Code Optimization
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~~~~~~~~~~~~~~~~~
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The original working code is about 4k (not counting the pt3 file)
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and has an overhead of roughly 20% when playing a song interrupt-driven
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at 50Hz.
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I'm keeping some stats here as I try to optimize the size and speed.
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Song: "Summer of Rain" SR.PT3
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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lz4 compressed
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pt3 size: raw size: ym5 size: pt3.lz4:
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3871 137015 7637 1793
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Size=pt3lib_end - note_a = 1787 - A38
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Decoder Type size ZP use decode total CPU overhead
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-------------------------------------------------------------
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Original 3407 22B 31s 171s 18%
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Song: "Outer Space"
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~~~~~~~~~~~~~~~~~~~
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pt3 size
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Times: Validated
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BH.PT3: 10.0B 16 1:33 93 17.2%
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CH.PT3: 1D.12 29 2:49 169 17.2%
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CR.PT3: 0F.25 15 1:30 90 16.7% Yes
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DF.PT3: 19.1C 25 2:27 147 17.0%
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EA.PT3: 1E.13 30 2:53 173 17.3% Yes
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F4.PT3: 18.1D 24 2:16 136 17.6%
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FC.PT3: 20.24 32 3:12 192 16.7%
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FR.PT3: 0B.0A 11 1:01 61 18.0%
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HI.PT3: 11.19 17 1:34 94 18.0%
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I2.PT3: 1E.0C 30 2:59 179 16.8%
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IT.PT3: 16.19 22 2:11 131 16.8% Yes
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MB.PT3: 14.08 20 1:59 119 16.8%
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ND.PT3: 14.1C 20 1:52 112 17.9%
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OS.PT3: 13.24 19 1:48 108 17.6%
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RI.PT3: 0F.03 15 1:26 86 17.4%
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SD.PT3: 11.16 17 1:40 100 17.0%
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SR.PT3: 1F.22 31 2:51 171 18.1%
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VC.PT3: 1B.20 27 2:40 160 16.9%
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