TODO List: Difference between revisions
→Separate single and double floats in the registercache
| Line 94: | Line 94: | ||
If someone could get a good test coverage with an homebrew program and work on a mostly JITed floats/paired singles implem, it would reduce CPU usage by at least 5% in most games. | If someone could get a good test coverage with an homebrew program and work on a mostly JITed floats/paired singles implem, it would reduce CPU usage by at least 5% in most games. | ||
== Separate single and double floats in the | == Separate single and double floats in the register cache == | ||
Because of the crazy paired singles design (one double and one single register), we do lots of expensive (checkout ppc_fp branch), redundant format convertions. Almost all of them could be avoided by converting on use, but the register cache would need a bit of redesign. | Because of the crazy paired singles design (one double and one single register), we do lots of expensive (checkout ppc_fp branch), redundant format convertions. Almost all of them could be avoided by converting on use, but the register cache would need a bit of redesign. | ||