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[cli] check subcommand#383

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rvanasa merged 13 commits intomainfrom
mops-check-without-autofix
Feb 19, 2026
Merged

[cli] check subcommand#383
rvanasa merged 13 commits intomainfrom
mops-check-without-autofix

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@rvanasa rvanasa commented Feb 19, 2026

Implements LANG-1170.

This is a simplified version of #381 with the plan to include autofix logic in the future per discussions with @Kamirus.

@rvanasa rvanasa requested a review from a team as a code owner February 19, 2026 15:03
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Benchmark Results

bench/1-buffer-vector-add.bench.mo $({\color{green}-8.22\%})$

Add (second)

Add items one-by-one (second)

Instructions: ${\color{green}-8.22\%}$
Heap: ${\color{gray}0\%}$
Stable Memory: ${\color{gray}0\%}$
Garbage Collection: ${\color{gray}0\%}$

Instructions

10 10000 1000000
Buffer 9_557 $({\color{green}-29.67\%})$ 5_687_594 $({\color{green}-8.33\%})$ 525_783_888 $({\color{green}-8.25\%})$
Vector 13_525 $({\color{red}+18.47\%})$ 4_378_612 $({\color{green}-10.82\%})$ 417_864_498 $({\color{green}-10.74\%})$

Heap

10 10000 1000000
Buffer 272 B $({\color{gray}0\%})$ 272 B $({\color{gray}0\%})$ 272 B $({\color{gray}0\%})$
Vector 272 B $({\color{gray}0\%})$ 272 B $({\color{gray}0\%})$ 272 B $({\color{gray}0\%})$

Garbage Collection

10 10000 1000000
Buffer 1.09 KiB $({\color{gray}0\%})$ 143.28 KiB $({\color{gray}0\%})$ 12.02 MiB $({\color{gray}0\%})$
Vector 1.09 KiB $({\color{gray}0\%})$ 45.65 KiB $({\color{gray}0\%})$ 3.86 MiB $({\color{gray}0\%})$
bench/2-vector-buffer-add.bench.mo $({\color{green}-10.02\%})$

Add

Add items one-by-one

Instructions: ${\color{green}-10.02\%}$
Heap: ${\color{gray}0\%}$
Stable Memory: ${\color{gray}0\%}$
Garbage Collection: ${\color{gray}0\%}$

Instructions

10 10000 1000000
Vector 13_525 $({\color{green}-12.27\%})$ 4_378_966 $({\color{green}-10.82\%})$ 417_886_092 $({\color{green}-10.74\%})$
Buffer 9_557 $({\color{green}-9.75\%})$ 5_686_886 $({\color{green}-8.33\%})$ 525_781_056 $({\color{green}-8.25\%})$

Heap

10 10000 1000000
Vector 272 B $({\color{gray}0\%})$ 272 B $({\color{gray}0\%})$ 272 B $({\color{gray}0\%})$
Buffer 272 B $({\color{gray}0\%})$ 272 B $({\color{gray}0\%})$ 272 B $({\color{gray}0\%})$

Garbage Collection

10 10000 1000000
Vector 1.09 KiB $({\color{gray}0\%})$ 45.65 KiB $({\color{gray}0\%})$ 3.86 MiB $({\color{gray}0\%})$
Buffer 1.09 KiB $({\color{gray}0\%})$ 143.28 KiB $({\color{gray}0\%})$ 12.02 MiB $({\color{gray}0\%})$
bench/array.bench.mo $({\color{green}-17.47\%})$

Array

arr arr

Instructions: ${\color{green}-17.47\%}$
Heap: ${\color{gray}0\%}$
Stable Memory: ${\color{gray}0\%}$
Garbage Collection: ${\color{gray}0\%}$

Instructions

100k x1 reset1 100k x3 reset2 100k x4 reset3
Array 13_502_096 $({\color{green}-10.00\%})$ 3_335 $({\color{green}-25.14\%})$ 27_003_270 $({\color{green}-10.00\%})$ 3_809 $({\color{green}-24.92\%})$ 54_004_127 $({\color{green}-10.00\%})$ 4_283 $({\color{green}-24.74\%})$

Heap

100k x1 reset1 100k x3 reset2 100k x4 reset3
Array 390.9 KiB $({\color{gray}0\%})$ -390.37 KiB $({\color{gray}0\%})$ 390.9 KiB $({\color{gray}0\%})$ -390.37 KiB $({\color{gray}0\%})$ 390.9 KiB $({\color{gray}0\%})$ -390.37 KiB $({\color{gray}0\%})$

Garbage Collection

100k x1 reset1 100k x3 reset2 100k x4 reset3
Array 360 B $({\color{gray}0\%})$ 390.97 KiB $({\color{gray}0\%})$ 391 KiB $({\color{gray}0\%})$ 390.97 KiB $({\color{gray}0\%})$ 1.14 MiB $({\color{gray}0\%})$ 390.97 KiB $({\color{gray}0\%})$
No previous results found "/home/runner/work/mops/mops/.bench/prng.bench.json"
bench/prng.bench.mo $({\color{gray}0\%})$

Prng

Benchmark N next calls for different PRNGs

Instructions: ${\color{gray}0\%}$
Heap: ${\color{gray}0\%}$
Stable Memory: ${\color{gray}0\%}$
Garbage Collection: ${\color{gray}0\%}$

Instructions

10 100 1000 10000
Seiran128 1_694 15_194 150_194 1_500_194
SFC64 2_802 28_962 288_557 2_882_655
SFC32 2_383 23_825 237_026 2_379_333

Heap

10 100 1000 10000
Seiran128 272 B 272 B 272 B 272 B
SFC64 308 B 272 B 272 B 272 B
SFC32 280 B 280 B 272 B 272 B

Garbage Collection

10 100 1000 10000
Seiran128 296 B 296 B 296 B 296 B
SFC64 536 B 4.98 KiB 47.16 KiB 469.04 KiB
SFC32 376 B 1.78 KiB 15.39 KiB 156.11 KiB
bench/removeLast.bench.mo $({\color{green}-10.90\%})$

Remove items using removeLast

Vector and buffer are initialized with 100k items and then 70k items are removed one-by-one.

Instructions: ${\color{green}-10.90\%}$
Heap: ${\color{gray}0\%}$
Stable Memory: ${\color{gray}0\%}$
Garbage Collection: ${\color{gray}0\%}$

Instructions

remove 70k
Vector 27_707_716 $({\color{green}-13.98\%})$
Buffer 29_236_977 $({\color{green}-7.82\%})$

Heap

remove 70k
Vector -136.8 KiB $({\color{gray}0\%})$
Buffer -269.76 KiB $({\color{gray}0\%})$

Garbage Collection

remove 70k
Vector 139.45 KiB $({\color{gray}0\%})$
Buffer 540.43 KiB $({\color{gray}0\%})$
bench/stable-memory.bench.mo $({\color{green}-134.03\%})$

Stable Memory and Region

Grow Region and store blobs in it

Instructions: ${\color{green}-66.97\%}$
Heap: ${\color{green}-6.10\%}$
Stable Memory: ${\color{gray}0\%}$
Garbage Collection: ${\color{green}-60.97\%}$

Instructions

Region (fill 1/100) Region (fill 1/50) StableMemory
10 pages 2_627_005 $({\color{green}-95.97\%})$ 10_496_310 $({\color{green}-95.97\%})$ 2_693 $({\color{green}-5.87\%})$
100 pages 52_466_841 $({\color{green}-95.97\%})$ 104_914_618 $({\color{green}-95.97\%})$ 2_698 $({\color{green}-8.67\%})$
256 pages 134_273_622 $({\color{green}-95.97\%})$ 268_574_855 $({\color{green}-95.97\%})$ 3_246 $({\color{green}-12.37\%})$

Heap

Region (fill 1/100) Region (fill 1/50) StableMemory
10 pages 272 B $({\color{green}-8.11\%})$ 272 B $({\color{gray}0\%})$ 276 B $({\color{gray}0\%})$
100 pages 272 B $({\color{green}-11.69\%})$ 272 B $({\color{green}-11.69\%})$ 272 B $({\color{gray}0\%})$
256 pages 272 B $({\color{green}-11.69\%})$ 272 B $({\color{green}-11.69\%})$ 276 B $({\color{gray}0\%})$

Garbage Collection

Region (fill 1/100) Region (fill 1/50) StableMemory
10 pages 208.34 KiB $({\color{green}-91.44\%})$ 832.38 KiB $({\color{green}-91.45\%})$ 336 B $({\color{gray}0\%})$
100 pages 4.06 MiB $({\color{green}-91.46\%})$ 8.13 MiB $({\color{green}-91.46\%})$ 340 B $({\color{gray}0\%})$
256 pages 10.4 MiB $({\color{green}-91.46\%})$ 20.8 MiB $({\color{green}-91.46\%})$ 340 B $({\color{gray}0\%})$

Stable Memory

Region (fill 1/100) Region (fill 1/50) StableMemory
10 pages 8 MiB $({\color{gray}0\%})$ 8 MiB $({\color{gray}0\%})$ 8 MiB $({\color{gray}0\%})$
100 pages 8 MiB $({\color{gray}0\%})$ 8 MiB $({\color{gray}0\%})$ 0 B $({\color{gray}0\%})$
256 pages 16 MiB $({\color{gray}0\%})$ 16 MiB $({\color{gray}0\%})$ 16 MiB $({\color{gray}0\%})$

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LGTM!

@rvanasa rvanasa merged commit af83430 into main Feb 19, 2026
23 checks passed
@rvanasa rvanasa deleted the mops-check-without-autofix branch February 19, 2026 18:38
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