MPC-HC 64 bit slower than 32 bit (MPEG)

UD///M · Messages: 2,918 Registration: 03.27.2001

yes, the 64-bit version of MPC-HC is known to be slower. It's recommended to use the 32-bit version since it's faster and more compatible with everything like quicktime and such...

Brashland · Messages: 2,867 Registration: 08.21.2003

Why is the 64Bit slower?

MACK1 · Messages: 28 Registration: 04.12.2002

Maybe less handwritten 64bit assembly in the decoders?

bmwpwr84 · Messages: 263 Registration: 02.07.2003

MPC itself has little to none assembly. But ffdshow and MPC's internal ffmpeg decoders do. And yes, those contain a smaller amount of optimized assembly code in 64-bit builds.

AngelGT2000 · Messages: 92 Registration: 01.21.2003

Furthermore it doesn't necessarily work across operating systems either. From what I read here 64bit assembly written for linux won't work on windows without changes and vice versa.

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MPC-HC 64 bit slower than 32 bit (MPEG)