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Filter out counters that are zero and make it easier to have multiple
printout groups.
On `railsbench`:
```
opt_send_without_block exit reasons:
se_finish_frame 184809 (100.0%)
```
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These account for about 12% of the time when we were bailing from calls
in railsbench. `ratio_in_ujit` went up 0.1% with this change.
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This allows counting things in generated code such as side exits or
different reasons for failing to compile. Runtime counters are exposed
to Ruby as `UJIT.runtime_stats` for ease of reporting and analysis.
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* ujit: implement opt_getinlinecache
Aggressively bet that writes to constants don't happen and invalidate
all opt_getinlinecache blocks on any and all constant writes.
Use alignment padding on block_t to track this assumption. No change to
sizeof(block_t).
* Fix compile warnings when not RUBY_DEBUG
* Fix reversed condition
* Switch to st_table to keep track of assumptions
Co-authored-by: Aaron Patterson <aaron.patterson@gmail.com>
Co-authored-by: Maxime Chevalier-Boisvert <maximechevalierb@gmail.com>
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* Tie lifetime of uJIT blocks to iseqs
Blocks weren't being freed when iseqs are collected.
* Add rb_dary. Use it for method dependency table
* Keep track of blocks per iseq
Remove global version_tbl
* Block version bookkeeping fix
* dary -> darray
* free ujit_blocks
* comment about size of ujit_blocks
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shopify/ruby#29
Co-authored-by: Maxime Chevalier-Boisvert <maxime.chevalierboisvert@shopify.com>
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VM and ujit instruction counting in debug builds.
shopify/ruby#19
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