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2021-05-31Decompose the captured_cc code for investigationTakashi Kokubun
I'm investigating SEGVs like https://github.com/ruby/ruby/runs/2715166621?check_suite_focus=true. Because a lot of things are going on on this line, it's hard to identify the cause, especially because we can't get the core file of the failures. Therefore I intentionally increased the number of lines for investigation.
2020-12-21Prefer stdbool in vm_execTakashi Kokubun
Make the code a bit modern and consistent with some other places.
2020-12-15fix inline method cache sync bugKoichi Sasada
`cd` is passed to method call functions to method invocation functions, but `cd` can be manipulated by other ractors simultaneously so it contains thread-safety issue. To solve this issue, this patch stores `ci` and found `cc` to `calling` and stops to pass `cd`. Notes: Merged: https://github.com/ruby/ruby/pull/3903
2020-11-26Revert "Set VM_FRAME_FLAG_FINISH at once on MJIT"Takashi Kokubun
This reverts commit 4d2c8edca69884a41d2f843d36023e3decdb9872. Unfortunately this seems to cause several issues: https://github.com/ruby/ruby/runs/1462188376?check_suite_focus=true http://ci.rvm.jp/results/trunk-mjit-wait@phosphorus-docker/3272802
2020-11-26Set VM_FRAME_FLAG_FINISH at once on MJITTakashi Kokubun
Performance is probably improved? $ benchmark-driver -v --rbenv 'before --jit;after --jit' --repeat-count=12 --alternate --output=all benchmark.yml before --jit: ruby 3.0.0dev (2020-11-27T04:37:47Z master 69e77e81dc) +JIT [x86_64-linux] after --jit: ruby 3.0.0dev (2020-11-27T05:28:19Z master df6b05c6dd) +JIT [x86_64-linux] last_commit=Set VM_FRAME_FLAG_FINISH at once Calculating ------------------------------------- before --jit after --jit Optcarrot Lan_Master.nes 80.89292998533379 82.19497327502751 fps 80.93130641142331 85.13943315260148 81.06214830270119 87.43757879797808 82.29172808453910 87.89942441487113 84.61206450455929 87.91309779491075 85.44545883567997 87.98026086648694 86.02923132404449 88.03081060383973 86.07411817365879 88.14650206137341 86.34348799602836 88.32791633649961 87.90257338977324 88.57599644892220 88.58006509876580 88.67426384743277 89.26611118140011 88.81669430874207 This should have no bad impact on VM because this function is ALWAYS_INLINE.
2020-11-22Clarify the intention of `false &&`Takashi Kokubun
2020-07-10Make sure vm_call_cfunc uses inlined ccTakashi Kokubun
which is checked by the first guard. When JIT-inlined cc and operand cd->cc are different, the JIT-ed code might wrongly dispatch cd->cc even while class check is done with another cc inlined by JIT. This fixes SEGV on railsbench.
2020-06-25Show what's inlined first in "JIT inline" logTakashi Kokubun
and add a debug log
2020-06-23Avoid generating opt_send with cfunc cc with JITTakashi Kokubun
only for opt_nil_p and opt_not. While vm_method_cfunc_is is used for opt_eq too, many fast paths of it don't call it. So if it's populated, it should generate opt_send, regardless of cfunc or not. And again, opt_neq isn't relevant due to the difference in operands. So opt_nil_p and opt_not are the only variants using vm_method_cfunc_is like they use. ``` $ benchmark-driver -v --rbenv 'before2 --jit::ruby --jit;before --jit;after --jit' benchmark/mjit_opt_cc_insns.yml --repeat-count=4 before2 --jit: ruby 2.8.0dev (2020-06-22T08:37:37Z master 3238641750) +JIT [x86_64-linux] before --jit: ruby 2.8.0dev (2020-06-23T01:01:24Z master 9ce2066209) +JIT [x86_64-linux] after --jit: ruby 2.8.0dev (2020-06-23T06:58:37Z master 17e9df3157) +JIT [x86_64-linux] last_commit=Avoid generating opt_send with cfunc cc with JIT Calculating ------------------------------------- before2 --jit before --jit after --jit mjit_nil?(1) 54.204M 75.536M 75.031M i/s - 40.000M times in 0.737947s 0.529548s 0.533110s mjit_not(1) 53.822M 70.921M 71.920M i/s - 40.000M times in 0.743195s 0.564007s 0.556171s mjit_eq(1, nil) 7.367M 6.496M 7.331M i/s - 8.000M times in 1.085882s 1.231470s 1.091327s Comparison: mjit_nil?(1) before --jit: 75536059.3 i/s after --jit: 75031409.4 i/s - 1.01x slower before2 --jit: 54204431.6 i/s - 1.39x slower mjit_not(1) after --jit: 71920324.1 i/s before --jit: 70921063.1 i/s - 1.01x slower before2 --jit: 53821697.6 i/s - 1.34x slower mjit_eq(1, nil) before2 --jit: 7367280.0 i/s after --jit: 7330527.4 i/s - 1.01x slower before --jit: 6496302.8 i/s - 1.13x slower ```
2020-06-22Compile opt_send for opt_* only when cc has ISeqTakashi Kokubun
because opt_nil/opt_not/opt_eq populates cc even when it doesn't fallback to opt_send_without_block because of vm_method_cfunc_is. ``` $ benchmark-driver -v --rbenv 'before --jit;after --jit' benchmark/mjit_opt_cc_insns.yml --repeat-count=4 before --jit: ruby 2.8.0dev (2020-06-22T08:11:24Z master d231b8f95b) +JIT [x86_64-linux] after --jit: ruby 2.8.0dev (2020-06-22T08:53:27Z master e1125879ed) +JIT [x86_64-linux] last_commit=Compile opt_send for opt_* only when cc has ISeq Calculating ------------------------------------- before --jit after --jit mjit_nil?(1) 54.106M 73.693M i/s - 40.000M times in 0.739288s 0.542795s mjit_not(1) 53.398M 74.477M i/s - 40.000M times in 0.749090s 0.537075s mjit_eq(1, nil) 7.427M 6.497M i/s - 8.000M times in 1.077136s 1.231326s Comparison: mjit_nil?(1) after --jit: 73692594.3 i/s before --jit: 54106108.4 i/s - 1.36x slower mjit_not(1) after --jit: 74477487.9 i/s before --jit: 53398125.0 i/s - 1.39x slower mjit_eq(1, nil) before --jit: 7427105.9 i/s after --jit: 6497063.0 i/s - 1.14x slower ``` Actually opt_eq becomes slower by this. Maybe it's indeed using opt_send_without_block, but I'll approach that one in another commit.
2020-05-17Reduce code size for rb_class_ofTakashi Kokubun
by inlining only hot path. === mame/optcarrot === $ benchmark-driver -v --rbenv 'before --jit;after --jit' benchmark.yml --repeat-count=24 --output=all before --jit: ruby 2.8.0dev (2020-05-18T05:21:31Z master 0e5a58b6bf) +JIT [x86_64-linux] after --jit: ruby 2.8.0dev (2020-05-18T06:12:04Z master 0e3d71a8d1) +JIT [x86_64-linux] last_commit=Reduce code size for rb_class_of Calculating ------------------------------------- before --jit after --jit Optcarrot Lan_Master.nes 71.62880463568773 70.95730063273503 fps 71.73973684273152 71.98447841929851 75.03923801841310 75.54262519509039 75.16300287174957 77.64029272984344 75.16834828625935 78.67861469580785 75.17670723726911 78.81879353707393 75.67637908020630 79.18188850392886 76.19843953215396 79.66484891814478 77.28166716118808 79.80278072861037 77.38509903325165 80.05859292679696 78.12693418455953 80.34624804808006 78.73654441746730 80.66326571254345 79.25387513454415 80.69760605740196 79.44137881689524 81.32053489212245 79.50497657368358 81.50250852553751 79.62401328582868 82.27544931834611 79.79178811723664 82.67455264522741 81.20275352937418 82.93857260493297 81.57027048640776 83.15019118788184 81.63373188649095 83.20728816044721 81.93420437766426 83.25027576772972 82.05716136357167 83.27072145898173 82.21070805525066 83.36008265822194 82.56924063784872 83.36112268888493 === benchmark-driver/sinatra === [rps] before: 13143.49 rps after: 13505.70 rps [inlined rb_class_of size] before: 11.5K after: 3.8K (calculated by `dwarftree --die inlined_subroutine --flat --merge --show-size`)
2020-04-30Include unit id in a function name of an inlined methodTakashi Kokubun
I'm trying to make it possible to include all JIT-ed code in a single C file. This is needed to guarantee uniqueness of all function names
2020-04-13Make vm_call_cfunc_with_frame a fastpath (#3027)Takashi Kokubun
when there's no need to call CALLER_SETUP_ARG and CALLER_REMOVE_EMPTY_KW_SPLAT (i.e. !rb_splat_or_kwargs_p(ci) && !calling->kw_splat). Micro benchmark: ``` $ benchmark-driver -v --rbenv 'before;after' benchmark/vm_send_cfunc.yml --repeat-count=4 before: ruby 2.8.0dev (2020-04-13T23:45:05Z master b9d3ceee8f) [x86_64-linux] after: ruby 2.8.0dev (2020-04-14T00:48:52Z no-splat-fastpath 418d363722) [x86_64-linux] Calculating ------------------------------------- before after vm_send_cfunc 69.585M 88.724M i/s - 100.000M times in 1.437097s 1.127096s Comparison: vm_send_cfunc after: 88723605.2 i/s before: 69584737.1 i/s - 1.28x slower ``` Optcarrot: ``` $ benchmark-driver -v --rbenv 'before;after' benchmark.yml --repeat-count=12 --output=all before: ruby 2.8.0dev (2020-04-13T23:45:05Z master b9d3ceee8f) [x86_64-linux] after: ruby 2.8.0dev (2020-04-14T00:48:52Z no-splat-fastpath 418d363722) [x86_64-linux] Calculating ------------------------------------- before after Optcarrot Lan_Master.nes 50.76119601545175 42.73858236484051 fps 50.76388649761503 51.04211379912850 50.80930672252514 51.39455790755538 50.90236000778749 51.75656936556145 51.01744746340430 51.86875277356489 51.06495279015112 51.88692482485558 51.07785337168974 51.93429603190578 51.20163525187862 51.95768145071314 51.34671771913112 52.45577266040274 51.35918340835583 52.53163888762858 51.46641337418146 52.62172484121034 51.50835463462257 52.85064021113239 ``` Notes: Merged-By: k0kubun <takashikkbn@gmail.com>
2020-04-13Unwrap vm_call_cfunc indirection on JITTakashi Kokubun
for VM_METHOD_TYPE_CFUNC. This has been known to decrease optcarrot fps: ``` $ benchmark-driver -v --rbenv 'before --jit;after --jit' benchmark.yml --repeat-count=24 --output=all before --jit: ruby 2.8.0dev (2020-04-13T16:25:13Z master fb40495cd9) +JIT [x86_64-linux] after --jit: ruby 2.8.0dev (2020-04-13T23:23:11Z mjit-inline-c bdcd06d159) +JIT [x86_64-linux] Calculating ------------------------------------- before --jit after --jit Optcarrot Lan_Master.nes 66.38132676191719 67.41369177299630 fps 69.42728743772243 68.90327567263054 72.16028300263211 69.62605130880686 72.46631319102777 70.48818243767207 73.37078877002490 70.79522887347566 73.69422431217367 70.99021920193194 74.01471487018695 74.69931965402584 75.48685183295630 74.86714575949016 75.54445264507932 75.97864419721677 77.28089738169756 76.48908637569581 78.04183397891302 76.54320932488021 78.36807984096562 76.59407262898067 78.92898762543574 77.31316743361343 78.93576483233765 77.97153484180480 79.13754917503078 77.98478782102325 79.62648945850653 78.02263322726446 79.86334213878064 78.26333724045934 80.05100635898518 78.60056756355614 80.26186843769584 78.91082645644468 80.34205717020330 79.01226659142263 80.62286066044338 79.32733939423721 80.95883033058557 79.63793060542024 80.97376819251613 79.73108936622778 81.23050939202896 80.18280109433088 ``` and I deleted this capability in an early stage of YARV-MJIT development: https://github.com/k0kubun/yarv-mjit/commit/0ab130feeefc2b9078a1077e4fec93b3f5e45d07 I suspect either of the following things could be the cause: * Directly calling vm_call_cfunc requires more optimization effort in GCC, resulting in 30ms-ish compilation time increase for such methods and decreasing the number of methods compiled in a benchmarked period. * Code size increase => icache miss hit These hypotheses could be verified by some methodologies. However, I'd like to introduce this regardless of the result because this blocks inlining C method's definition. I may revert this commit when I give up to implement inlining C method definition, which requires this change. Microbenchmark-wise, this gives slight performance improvement: ``` $ benchmark-driver -v --rbenv 'before --jit;after --jit' benchmark/mjit_send_cfunc.yml --repeat-count=4 before --jit: ruby 2.8.0dev (2020-04-13T16:25:13Z master fb40495cd9) +JIT [x86_64-linux] after --jit: ruby 2.8.0dev (2020-04-13T23:23:11Z mjit-inline-c bdcd06d159) +JIT [x86_64-linux] Calculating ------------------------------------- before --jit after --jit mjit_send_cfunc 41.961M 56.489M i/s - 100.000M times in 2.383143s 1.770244s Comparison: mjit_send_cfunc after --jit: 56489372.5 i/s before --jit: 41961388.1 i/s - 1.35x slower ```
2020-04-06Remove unused variable stack_sizeTakashi Kokubun
_mjit_compile_send.erb doesn't use _mjit_compile_insn_body.erb
2020-04-06Delay definition of pc_moved_pTakashi Kokubun
to unify the duplicated declarations and to make sure it's not used until set properly. Also changed it from legacy TRUE/FALSE to stdbool.
2020-04-06Fix -Wshorten-64-to-32 in 4f802828f4Takashi Kokubun
2020-04-06Refactor `argc` in mjit_compile_sendTakashi Kokubun
using sp_inc_of_sendish for consistency and to make it easier to understand
2020-04-06Update outdated comments in mjit_compile_sendTakashi Kokubun
and simplify `v` variable references a little. There's no CALL_METHOD anymore, and the original code lives in vm_sendish instead of insns.def now.
2020-04-06Collapse `if` conditions to decrease indentationTakashi Kokubun
in mjit_compile_send to clarify it's not that deeply branched.
2020-03-12Avoid referring to an old value of reallocTakashi Kokubun
OpenBSD RubyCI has failed with SEGV since 4bcd5981e80d3e1852c8723741a0069779464128. https://rubyci.org/logs/rubyci.s3.amazonaws.com/openbsd-current/ruby-master/log/20200312T223005Z.fail.html.gz This was because `status->cc_entries` could be stale after `realloc` call for inlined iseqs.
2020-03-11Pin and inline cme in JIT-ed method callsTakashi Kokubun
``` $ benchmark-driver benchmark.yml -v --rbenv 'before --jit;after --jit' --repeat-count=12 --output=all before --jit: ruby 2.8.0dev (2020-03-11T07:43:12Z master e89ebdcb87) +JIT [x86_64-linux] after --jit: ruby 2.8.0dev (2020-03-11T07:54:18Z master 143776a0da) +JIT [x86_64-linux] Calculating ------------------------------------- before --jit after --jit Optcarrot Lan_Master.nes 73.86976729561439 77.20184819316513 fps 74.46997176460742 78.43493030231805 77.59686308754307 78.55714131655935 78.53693921126656 79.08984255596820 80.10158944910573 79.17751731838183 80.12254974411167 79.60853122429181 80.28678655204945 79.74674066871896 80.38690681095379 79.90624544440300 80.79223498756919 80.57881084206193 80.82857188422419 80.70677614429169 81.06447745878245 81.03868541295149 81.21620802278490 82.16354660940607 ```
2020-03-10Optimize away call data refs in JIT-ed method callsTakashi Kokubun
According to ko1, `cd->cc != cc` was for GC.compact guard. As we pin cc by rb_gc_mark(), we don't need the check. ``` $ benchmark-driver benchmark.yml -v --rbenv 'before --jit;after --jit' --repeat-count=12 --output=all before --jit: ruby 2.8.0dev (2020-03-11T05:36:48Z master da6948753e) +JIT [x86_64-linux] after --jit: ruby 2.8.0dev (2020-03-11T06:26:34Z master 36b20b8b4a) +JIT [x86_64-linux] Calculating ------------------------------------- before --jit after --jit Optcarrot Lan_Master.nes 74.03480698689405 71.63404803273507 fps 74.15085286586992 73.43923328104295 75.51738277744781 75.75465268365384 76.24922600109410 76.74071607861318 76.45513422802325 77.47521029238116 76.86617230739330 78.14759496269018 77.71509137131933 79.14051571125866 77.72839157096146 79.35884822673313 78.25218904561633 79.92538876408051 78.72521071333249 79.98075556706726 78.79950460165091 80.51747831497875 79.43884960720381 80.97973166525254 ```
2020-03-10Remove an unnecessary TODO commentTakashi Kokubun
Fixing https://github.com/ruby/ruby/blob/4bcd5981e80d3e1852c8723741a0069779464128/mjit.c#L338 should be the right solution for this. We may not be able to free the cc immediately. Plus, we're not copying cc but just holding references to be marked. cc should be GC-ed once jit_unit is freed.
2020-03-10Capture inlined iseq's cc entries in root iseq'sTakashi Kokubun
jit_unit to avoid marking wrong cc entries when inlined iseq is compiled multiple times, resolving the TODO added by daf7c48d88. This obviates pseudo jit_unit in inlined iseq introduced by 7ec2359374 and fixes memory leak of the adhoc unit.
2020-02-26Internalize rb_mjit_unit definition againTakashi Kokubun
Fixed a TODO in b9007b6c548f91e88fd3f2ffa23de740431fa969
2020-02-22Introduce disposable call-cache.Koichi Sasada
This patch contains several ideas: (1) Disposable inline method cache (IMC) for race-free inline method cache * Making call-cache (CC) as a RVALUE (GC target object) and allocate new CC on cache miss. * This technique allows race-free access from parallel processing elements like RCU. (2) Introduce per-Class method cache (pCMC) * Instead of fixed-size global method cache (GMC), pCMC allows flexible cache size. * Caching CCs reduces CC allocation and allow sharing CC's fast-path between same call-info (CI) call-sites. (3) Invalidate an inline method cache by invalidating corresponding method entries (MEs) * Instead of using class serials, we set "invalidated" flag for method entry itself to represent cache invalidation. * Compare with using class serials, the impact of method modification (add/overwrite/delete) is small. * Updating class serials invalidate all method caches of the class and sub-classes. * Proposed approach only invalidate the method cache of only one ME. See [Feature #16614] for more details. Notes: Merged: https://github.com/ruby/ruby/pull/2888
2020-02-22VALUE size packed callinfo (ci).Koichi Sasada
Now, rb_call_info contains how to call the method with tuple of (mid, orig_argc, flags, kwarg). Most of cases, kwarg == NULL and mid+argc+flags only requires 64bits. So this patch packed rb_call_info to VALUE (1 word) on such cases. If we can not represent it in VALUE, then use imemo_callinfo which contains conventional callinfo (rb_callinfo, renamed from rb_call_info). iseq->body->ci_kw_size is removed because all of callinfo is VALUE size (packed ci or a pointer to imemo_callinfo). To access ci information, we need to use these functions: vm_ci_mid(ci), _flag(ci), _argc(ci), _kwarg(ci). struct rb_call_info_kw_arg is renamed to rb_callinfo_kwarg. rb_funcallv_with_cc() and rb_method_basic_definition_p_with_cc() is temporary removed because cd->ci should be marked. Notes: Merged: https://github.com/ruby/ruby/pull/2888
2019-11-07extend rb_call_cache卜部昌平
Prior to this changeset, majority of inline cache mishits resulted into the same method entry when rb_callable_method_entry() resolves a method search. Let's not call the function at the first place on such situations. In doing so we extend the struct rb_call_cache from 44 bytes (in case of 64 bit machine) to 64 bytes, and fill the gap with secondary class serial(s). Call cache's class serials now behavies as a LRU cache. Calculating ------------------------------------- ours 2.7 2.6 vm2_poly_same_method 2.339M 1.744M 1.369M i/s - 6.000M times in 2.565086s 3.441329s 4.381386s Comparison: vm2_poly_same_method ours: 2339103.0 i/s 2.7: 1743512.3 i/s - 1.34x slower 2.6: 1369429.8 i/s - 1.71x slower Notes: Merged: https://github.com/ruby/ruby/pull/2583
2019-10-24Combine call info and cache to speed up method invocationAlan Wu
To perform a regular method call, the VM needs two structs, `rb_call_info` and `rb_call_cache`. At the moment, we allocate these two structures in separate buffers. In the worst case, the CPU needs to read 4 cache lines to complete a method call. Putting the two structures together reduces the maximum number of cache line reads to 2. Combining the structures also saves 8 bytes per call site as the current layout uses separate two pointers for the call info and the call cache. This saves about 2 MiB on Discourse. This change improves the Optcarrot benchmark at least 3%. For more details, see attached bugs.ruby-lang.org ticket. Complications: - A new instruction attribute `comptime_sp_inc` is introduced to calculate SP increase at compile time without using call caches. At compile time, a `TS_CALLDATA` operand points to a call info struct, but at runtime, the same operand points to a call data struct. Instruction that explicitly define `sp_inc` also need to define `comptime_sp_inc`. - MJIT code for copying call cache becomes slightly more complicated. - This changes the bytecode format, which might break existing tools. [Misc #16258] Notes: Merged: https://github.com/ruby/ruby/pull/2564
2019-07-03Revert "Avoid corrupting VM stack on inlined setlocal"Koichi Sasada
This reverts commit ea30dd702512ff9df34fe8c71c825f8f901bf5b1. because it fails when VM_CHECK_MODE=1.
2019-07-02Avoid corrupting VM stack on inlined setlocalTakashi Kokubun
setlocal relies on cfp->ep, and frame-omitted method inlining introduced in Ruby 2.7 kept it wrong. This change might slow down frame-omitted method inlining for cfp->ep manipulation, and it obviously complicates the implementaion more. By introducing an optimization that changes Ruby's local variable to C local variable, we could optimize it and simplify the cfp->ep manipulation later. [Bug #15971]
2019-04-20Invalidate JIT-ed code if ISeq is moved by GC.compactk0kubun
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67638 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2019-04-16Recompile without method inliningk0kubun
if cancel happens in an inlined method. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67575 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2019-04-16Introduce frame-omitted method inliningk0kubun
for ISeq including only leaf and no-handles_sp insns except leaf. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67574 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2019-04-16Implement single-level basic method inlining in JITk0kubun
"Basic" means it does not omit a call frame. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67572 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2019-04-14Share optimization cancel handlersk0kubun
$ benchmark-driver benchmark.yml --rbenv='before --jit;after --jit' -v --output=all --repeat-count=12 before --jit: ruby 2.7.0dev (2019-04-14 trunk 67549) +JIT [x86_64-linux] after --jit: ruby 2.7.0dev (2019-04-14 trunk 67549) +JIT [x86_64-linux] last_commit=Share optimization cancel handlers Calculating ------------------------------------- before --jit after --jit Optcarrot Lan_Master.nes 69.55360655447375 74.15329176797863 fps 73.74545038318978 79.60903046141544 75.85637357897092 82.00930075612054 77.10594124022951 82.56228187301674 78.67350527368366 83.37512204205953 79.97235230767613 83.41521927993719 81.03050342478066 84.20227901852776 81.61308297895094 84.73733526226468 82.06805141753206 85.27884867863791 82.46493179193394 85.36558922650367 83.85259832896313 85.39993587223481 84.02325292922997 85.63649355214602 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67550 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2019-04-14Recompile JIT-ed code without optimizationk0kubun
based on inline cache when JIT cancel happens by that. This feature was in the original MJIT implementation by Vladimir, but on merging MJIT to Ruby it was removed for simplification. This commit adds the functionality again for the following benchmark: https://github.com/benchmark-driver/misc/blob/52f05781f65467baf895bf6ba79d172c9b0826fd/concurrent-map/bench.rb (shown float is duration seconds. shorter is better) * Before ``` $ INHERIT=0 ruby -v bench.rb ruby 2.7.0dev (2019-04-13 trunk 67523) [x86_64-linux] -- 1.6507579649914987 $ INHERIT=0 ruby -v --jit bench.rb ruby 2.7.0dev (2019-04-13 trunk 67523) +JIT [x86_64-linux] -- 1.5091587850474752 $ INHERIT=1 ruby -v bench.rb ruby 2.7.0dev (2019-04-13 trunk 67523) [x86_64-linux] -- 1.6124781150138006 $ INHERIT=1 ruby --jit -v bench.rb ruby 2.7.0dev (2019-04-13 trunk 67523) +JIT [x86_64-linux] -- 1.7495657080435194 # <-- this ``` * After ``` $ INHERIT=0 ruby -v bench.rb ruby 2.7.0dev (2019-04-13 trunk 67523) [x86_64-linux] last_commit=Recompile JIT-ed code without optimization -- 1.653559010999743 $ INHERIT=0 ruby --jit -v bench.rb ruby 2.7.0dev (2019-04-13 trunk 67523) +JIT [x86_64-linux] last_commit=Recompile JIT-ed code without optimization -- 1.4738391840364784 $ INHERIT=1 ruby -v bench.rb ruby 2.7.0dev (2019-04-13 trunk 67523) [x86_64-linux] last_commit=Recompile JIT-ed code without optimization -- 1.645227018976584 $ INHERIT=1 ruby --jit -v bench.rb ruby 2.7.0dev (2019-04-13 trunk 67523) +JIT [x86_64-linux] last_commit=Recompile JIT-ed code without optimization -- 1.523708809982054 # <-- this ``` git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67530 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2019-04-06Fix typo in a comment [ci skip]k0kubun
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67461 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2019-03-29Add debug counters for MJIT cancelk0kubun
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67379 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2019-03-25Prefer using vm_base_ptr rather than cfp->bpk0kubun
in MJIT implementation. This allows us to drop cfp->bp by just modifying vm_base_ptr in the future. No performance impact: $ benchmark-driver benchmark.yml --rbenv='before::before --disable-gems --jit;bp_::after --disable-gems --jit;vm_env_ptr::ruby-svn --disable-gems --jit' -v --output=all --repeat-count=12 before: ruby 2.7.0dev (2019-03-24 trunk 67341) +JIT [x86_64-linux] bp_: ruby 2.7.0dev (2019-03-24 trunk 67342) +JIT [x86_64-linux] vm_env_ptr: ruby 2.7.0dev (2019-03-25 trunk 67343) +JIT [x86_64-linux] last_commit=Prefer using vm_base_ptr rather than cfp->bp Calculating ------------------------------------- before bp_ vm_env_ptr Optcarrot Lan_Master.nes 77.15059205092646 70.18873044267853 69.62171387083328 fps 78.75767783870441 77.49867689173411 75.43496867709587 79.60102690369321 77.78037687683523 79.36688927929428 80.25144236638835 78.74729849101701 80.42363742291455 82.22375417165489 80.44265482494045 80.90287243299306 82.29166786292619 80.51740049420938 81.81153053252902 83.35386925305345 80.91054205210609 81.93562989125176 83.39770634366975 81.34550754145043 82.24544621470430 83.88523450309972 81.60698516017347 82.76801860263230 84.17553130135879 82.69615943446324 83.02530407910871 84.42132328119858 83.00969158037691 83.19968539409922 84.60731429793329 83.32703363300098 83.81352746019631 git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67344 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2019-03-25use cfp->bp more.ko1
cfp->bp was (re-)introduced by Kokubun san, but VM doesn't use it because I (ko1) want to remove it in a future. But using it make leave instruction fast because of sp consisntency check. So now VM uses cfp->bp. To use cfp->bp, I checked the value and I found that it is not a "initial value of sp" but a "initial value of ep". Fix this problem and fix all bp references (this is why bp is renamed to bp_). git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67342 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2019-03-21Check argument_arity_error condition in inlinable_iseq_pk0kubun
to avoid inlining a method call when it becomes argument_arity_error, fixing a potential bug. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@67330 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-12-27delete emacs mode lines [ci skip]shyouhei
These settings are now covered by .dir-locals.el. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66584 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-11-26Support targetting TracePoint [Feature #15289]ko1
* vm_trace.c (rb_tracepoint_enable_for_target): support targetting TracePoint. [Feature #15289] Tragetting TracePoint is only enabled on specified method, proc and so on, example: `tp.enable(target: code)`. `code` should be consisted of InstructionSeuqnece (iseq) (RubyVM::InstructionSeuqnece.of(code) should not return nil) If code is a tree of iseq, TracePoint is enabled on all of iseqs in a tree. Enabled tragetting TracePoints can not enabled again with and without target. * vm_core.h (rb_iseq_t): introduce `rb_iseq_t::local_hooks` to store local hooks. `rb_iseq_t::aux::trace_events` is renamed to `global_trace_events` to contrast with `local_hooks`. * vm_core.h (rb_hook_list_t): add `rb_hook_list_t::running` to represent how many Threads/Fibers are used this list. If this field is 0, nobody using this hooks and we can delete it. This is why we can remove code from cont.c. * vm_core.h (rb_vm_t): because of above change, we can eliminate `rb_vm_t::trace_running` field. Also renamed from `rb_vm_t::event_hooks` to `global_hooks`. * vm_core.h, vm.c (ruby_vm_event_enabled_global_flags): renamed from `ruby_vm_event_enabled_flags. * vm_core.h, vm.c (ruby_vm_event_local_num): added to count enabled targetting TracePoints. * vm_core.h, vm_trace.c (rb_exec_event_hooks): accepts hook list. * vm_core.h (rb_vm_global_hooks): added for convinience. * method.h (rb_method_bmethod_t): added to maintain Proc and `rb_hook_list_t` for bmethod (defined by define_method). * prelude.rb (TracePoint#enable): extracet a keyword parameter (because it is easy than writing in C). It calls `TracePoint#__enable` internal method written in C. * vm_insnhelper.c (vm_trace): check also iseq->local_hooks. * vm.c (invoke_bmethod): check def->body.bmethod.hooks. * vm.c (hook_before_rewind): check iseq->local_hooks and def->body.bmethod.hooks before rewind by exception. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66003 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-10-30_mjit_compile_send.erb: do not inline tailcall ISeqk0kubun
because it's not supported by this file. Also, shared `def_iseq_ptr` instead of copying the main definition of it. vm_core.h: moved `def_iseq_ptr` to this place. added `inline` to avoid compiler warnings since it's not used in some files including vm_core.h. vm_insnhelper.c: moved `def_iseq_ptr` to vm_core.h. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65440 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-10-23_mjit_compile_send.erb: fix wrong cc usagesk0kubun
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65318 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-10-21mjit.c: remove wrongly-committed debug codek0kubun
mistake in r65279. === Optcarrot Benchmark === $ benchmark-driver benchmark.yml --rbenv 'before::before --disable-gems --jit;after::after --disable-gems --jit' -v --repeat-count 24 before: ruby 2.6.0dev (2018-10-21 trunk 65277) +JIT [x86_64-linux] after: ruby 2.6.0dev (2018-10-21 trunk 65279) +JIT [x86_64-linux] last_commit=mjit.c: remove wrongly-committed debug code Calculating ------------------------------------- before after Optcarrot Lan_Master.nes 85.008 86.078 fps Comparison: Optcarrot Lan_Master.nes after: 86.1 fps before: 85.0 fps - 1.01x slower git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65280 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-10-21mjit.c: copy call cache values to MJIT workerk0kubun
same as r65275 but for call cache. === Optcarrot Benchmark === $ benchmark-driver benchmark.yml --rbenv 'before::before --disable-gems --jit;after::after --disable-gems --jit' -v --repeat-count 24 before: ruby 2.6.0dev (2018-10-21 trunk 65277) +JIT [x86_64-linux] after: ruby 2.6.0dev (2018-10-21 trunk 65277) +JIT [x86_64-linux] last_commit=mjit.c: copy call cache values to MJIT worker Calculating ------------------------------------- before after Optcarrot Lan_Master.nes 85.372 85.359 fps Comparison: Optcarrot Lan_Master.nes before: 85.4 fps after: 85.4 fps - 1.00x slower git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65279 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-10-21_mjit_compile_send.erb: don't split send_guardk0kubun
to another file, because it's no longer shared. It was created when attr_reader was inlined but it's no longer included. common.mk: ditto git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65276 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-27 14:45:56 +0000