reactor
/
lunar_wave
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

📝 doc: failed optimization

main
_ 2023-10-04 03:17:24 -05:00
parent 6db6dc3725
commit b2e8c878d1
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
notes.md
View File

@ -64,6 +64,12 @@ Result: Regressed from 3200 to 3600. Not sure why.
Plan: OP_GETFIELD hits the constants a lot. I thought caching it and not dereferencing the chunk and block constantly might help. Plan: OP_GETFIELD hits the constants a lot. I thought caching it and not dereferencing the chunk and block constantly might help.
## Splitting up the opcode match
Result: No change, 3200 to 3200. Maybe Rust was already optimizing this into an optimal jump table?
Plan: Maybe if the hot inner opcodes, OP_GETFIELD, OP_MUL, and OP_SETFIELD get their own match statement at the top of the function, the step function can exit sooner.
## Iterating over instruction list ## Iterating over instruction list
(upcoming) (upcoming)