docs(badapple): benchmark the r5.01 compiler output

bad-apple/REPORT.md

@@ -115,6 +115,18 @@ and `gspcg` exit 139 at teardown but still write valid output files.
 `gspa` 5.01 accepted `entry.asm`/`fill.asm` (including `sp`); the `b15`
 round-trip difference does not affect this demo.
 
+Speed A/B in MAME, 600 records with `BA_PACE=0` (takeover at ~frame 2505):
+
+| build | status frame | processing frames |
+|---|---|---|
+| 1987, no optimizer | 3,922 | ~1,417 |
+| r5.01, no optimizer | 3,856 | ~1,351 |
+| r5.01, `MOVIE.C` at `-O2` | **3,605** | **~1,100** |
+
+So the r5.01 compiler alone is ~5 % faster here, and the practical r5.01
+recipe is **~29 % faster** than the 1987 build. MAME's TMS34010 interpreter
+is not silicon; this is a relative measurement, not a unit-cycle claim.
+
 ## Regression
 
 The no-env MAME baseline at 200 frames is unchanged: