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| author | Cliff Click <cliffc@acm.org> | 2026-10-07 21:31:18 -0700 |
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| committer | Cliff Click <cliffc@acm.org> | 2026-10-07 21:31:18 -0700 |
| commit | 87a75c83b75480e65147a4d425fddd14a05df4d9 (patch) | |
| tree | f486050aa3a13e218ad17ab57efaccbe35336483 /chapter22/README.md | |
| parent | 2eba63966bdc3d9cfdf41ee085f35cbb6d529bbc (diff) | |
| download | Simple-87a75c83b75480e65147a4d425fddd14a05df4d9.tar.gz Simple-87a75c83b75480e65147a4d425fddd14a05df4d9.zip | |
More test case vs RA cleanup
Missing a few risc/arm encodings.
Make private many tests, so they don't escape and the escaped fcn inflate x86 spill numbers
Diffstat (limited to 'chapter22/README.md')
| -rw-r--r-- | chapter22/README.md | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/chapter22/README.md b/chapter22/README.md index 1f839de5..00ae6183 100644 --- a/chapter22/README.md +++ b/chapter22/README.md @@ -203,16 +203,18 @@ are small preferences, not a general cost model. Grouping popular values by register class is left for Chapter 23, cold loop splits for 24, and area/cost ranking for 25. -Rows are fixed test cohorts; columns are the compiler/allocator chapters. Each -cell is the sum of `_spillScaled`: retained split moves, including register -copies, weighted by loopDepth. Lower is better. **# tests counts -compilations** (program/CPU/ABI cases), including zero-spill cases, rather than -JUnit methods. The count and membership of each row stay fixed across columns. +Rows are fixed test cohorts; columns are compiler chapters. Each cell gives +**Ops / RA / X**: executed ARM+RISC-V instructions, the subset emitted for +allocator copies/rematerializations, and x86's loop-weighted split-move estimate. +**Cases D / X** counts measured dynamic program/target cases and x86 compilations; +membership and inputs stay fixed across columns. Native-library work is excluded. +Chapter 20 has no encoder, hence no dynamic counts. Lower is better within each +metric; see the [measurement details](../docs/regalloc-spills.md) for coverage. <!-- spill-matrix:start --> -| Test cohort | # tests | Ch 20 | Ch 21 | Ch 22 | +| Test cohort | Cases D / X | Ch 20: Ops / RA / X | Ch 21: Ops / RA / X | Ch 22: Ops / RA / X | |---|---:|---:|---:|---:| -| Ch 20 | 39 | 360 | 576 | 430 | -| Ch 21 | 52 | | 1,072 | 960 | -| Ch 22 | 26 | | | 63 | +| Ch 20 | 22 / 13 | — / — / 161 | 55,173 / 5,407 / 174 | 58,751 / 9,099 / 175 | +| Ch 21 | 20 / 18 | | 6,207 / 261 / 461 | 6,324 / 379 / 475 | +| Ch 22 | 14 / 8 | | | 198 / 60 / 7 | <!-- spill-matrix:end --> |