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Welcome to the main channel on the development of MoarVM, a virtual machine for NQP and Rakudo (moarvm.org). This channel is being logged for historical purposes. Set by lizmat on 24 May 2021. |
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| guifa | Altai-man: I golfed it! | 16:50 | |
| Altai-man | guifa, great work! Now ticket time. :) | 16:51 | |
| guifa | m: class A { has int32 $.b is rw }; sub foo(int32 $c is rw) { $c += 1 }; my $a = A.new: :0b; foo $a; | ||
| camelia | Bytecode validation error at offset 50, instruction 9: operand type 32 does not match register type 24 for op decont_i in frame foo in block <unit> at <tmp> line 1 |
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| MasterDuke | m: class A { has int32 $.b is rw }; sub foo(int32 $c is rw) { $c += 1 }; my $a = A.new: :0b; foo $a.b; | 16:59 | |
| camelia | Bytecode validation error at offset 50, instruction 9: operand type 32 does not match register type 24 for op decont_i in frame foo in block <unit> at <tmp> line 1 |
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| MasterDuke | m: class A { has int $.b is rw }; sub foo(int $c is rw) { $c += 1 }; my $a = A.new: :0b; foo $a.b; | ||
| camelia | ( no output ) | ||
| MasterDuke | maybe nine++'s work on unsigned natives will also end up fixing that | 17:00 | |
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| dogbert17 | looks like the optimizer might be involved in some fashion, try running with --optimize=0 | 17:38 | |
| timo | turning the optimizer off completely requires --optimize=off ftr | 17:51 | |
| guifa | MasterDuke: ah noted. Unfortunately for this code I can't just use int, but I can definitely write in a work around for this particular function and comment it accordingly | 17:53 | |
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| nine | chance is good, yes | 18:25 | |
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| guifa | alright report filed. thanks for feedback, knowing the source I'll adjust my code for the time being | 18:46 | |
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| Geth | MoarVM: 48f584c4fb | (Daniel Green)++ | src/core/coerce.c Use faster itoa implementation On my system this version consistently was faster than the existing one when running the benchmark from github.com/miloyip/itoa-benchmark This was also still the case in a trivial benchmark of NQP and Raku code. For example, `MVM_SPESH_BLOCKING=1 ./nqp-m -e 'my str $s; my int $i := 0; my $n := nqp::time; while $i++ < 10_000_000 { $s := $i }; say(nqp::div_n(nqp::time - $n, 1000000000e0)); say($s)'` reports ~0.56 before and ~0.43 after. Using callgrind (though just up to 1_000_000) I see ~958,400,000 instructions before and ~873,700,000 instructions after. |
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| MoarVM: 06170c9733 | MasterDuke17++ (committed using GitHub Web editor) | src/core/coerce.c Merge pull request #1618 from MasterDuke17/use_faster_itoa_implementation |
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| MasterDuke | nine: i suspect a nativecall problem here gist.github.com/melezhik/812837c04...b049059316 originally it was sensitive to MVM_SPESH_DISABLE=1, but now it's been golfed further and still aborts even with spesh disabled | 19:52 | |
| nine | yes, speshed code looks bogus | 20:31 | |
| loc_10_obj doesnt make sense as return register ofbthat sp_runnativecall_o op | 20:35 | ||
| MasterDuke | added valgrind output (all with spesh disabled) | 20:49 | |
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