I Fuzzed, and Vibe Fixed, the Vibed C Compiler

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Model: @cf/meta/llama-4-scout-17b-16e-instruct lite ND @cf/meta/llama-3.3-70b-instruct-fp8-fast lite ND @cf/meta/llama-4-scout-17b-16e-instruct lite 0.00 @cf/meta/llama-3.3-70b-instruct-fp8-fast lite 0.00 openai/gpt-oss-120b:free lite ND google/gemma-3-27b-it:free lite ND qwen/qwen3-coder:free lite ND Compare

ND	I Fuzzed, and Vibe Fixed, the Vibed C Compiler (john.regehr.org)
	25 points by luu 3 days ago \| 1 comments on HN ~lite vlite-2.0

Summary ~lite

Technical article on fuzzing and fixing a C compiler, with transparent methodology and results.

Lite evaluation by llama-4-scout-wai-psq · editorial channel only · no per-section breakdown available

Longitudinal 12 HN snapshots · 51 evals

Audit Trail 71 entries

2026-03-05 07:02	eval_success	PSQ evaluated: g-PSQ=0.440 (3 dims)	- -
2026-03-05 07:02	eval	Evaluated by llama-4-scout-wai-psq: +0.44 (Moderate positive)
2026-03-05 06:57	eval_success	PSQ evaluated: g-PSQ=0.482 (3 dims)	- -
2026-03-05 06:57	eval	Evaluated by llama-3.3-70b-wai-psq: +0.48 (Moderate positive) 0.00
2026-03-05 06:53	eval_success	PSQ evaluated: g-PSQ=0.482 (3 dims)	- -
2026-03-05 06:53	eval	Evaluated by llama-3.3-70b-wai-psq: +0.48 (Moderate positive)
2026-03-04 06:55	eval_success	Lite evaluated: Neutral (0.06)	- -
2026-03-04 06:55	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-04 06:55	rater_validation_warn	Lite validation warnings for model llama-4-scout-wai: 1W 0R	- -
2026-03-04 06:36	eval_success	Lite evaluated: Neutral (0.05)	- -
2026-03-04 06:36	rater_validation_warn	Lite validation warnings for model llama-3.3-70b-wai: 1W 0R	- -
2026-03-04 06:36	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) 0.00
	reasoning Technical blog post on compiler testing
2026-03-03 11:37	eval_success	Lite evaluated: Neutral (0.06)	- -
2026-03-03 11:37	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 11:37	rater_validation_warn	Lite validation warnings for model llama-4-scout-wai: 1W 0R	- -
2026-03-03 11:29	eval_success	Lite evaluated: Neutral (0.05)	- -
2026-03-03 11:29	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) 0.00
	reasoning Technical blog post on compiler testing
2026-03-03 11:29	rater_validation_warn	Lite validation warnings for model llama-3.3-70b-wai: 1W 0R	- -
2026-03-03 10:55	eval_success	Lite evaluated: Neutral (0.06)	- -
2026-03-03 10:55	rater_validation_warn	Lite validation warnings for model llama-4-scout-wai: 1W 0R	- -
2026-03-03 10:55	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 10:45	eval_success	Lite evaluated: Neutral (0.05)	- -
2026-03-03 10:45	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) -0.03
	reasoning Technical blog post on compiler testing
2026-03-03 10:45	rater_validation_warn	Lite validation warnings for model llama-3.3-70b-wai: 1W 0R	- -
2026-03-03 10:40	eval_success	Lite evaluated: Neutral (0.08)	- -
2026-03-03 10:40	eval	Evaluated by llama-3.3-70b-wai: +0.08 (Neutral) +0.03
	reasoning Technical blog post on compiler testing
2026-03-03 10:40	rater_validation_warn	Lite validation warnings for model llama-3.3-70b-wai: 1W 0R	- -
2026-03-03 10:07	eval_success	Lite evaluated: Neutral (0.06)	- -
2026-03-03 10:07	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 10:07	rater_validation_warn	Lite validation warnings for model llama-4-scout-wai: 1W 0R	- -
2026-03-03 09:59	eval_success	Lite evaluated: Neutral (0.05)	- -
2026-03-03 09:59	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) 0.00
	reasoning Technical blog post on compiler testing
2026-03-03 09:54	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) 0.00
	reasoning Technical blog post on compiler testing
2026-03-03 09:14	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 09:08	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 09:08	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) 0.00
	reasoning Technical blog post on compiler testing
2026-03-03 08:32	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 08:31	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) 0.00
	reasoning Technical blog post on compiler testing
2026-03-03 08:26	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) 0.00
	reasoning Technical blog post on compiler testing
2026-03-03 07:55	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 07:52	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) -0.03
	reasoning Technical blog post on compiler testing
2026-03-03 07:10	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 07:07	eval	Evaluated by llama-3.3-70b-wai: +0.08 (Neutral) +0.03
	reasoning Technical blog post on compiler testing
2026-03-03 07:03	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) 0.00
	reasoning Technical blog post on compiler testing
2026-03-03 06:21	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 06:18	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) 0.00
	reasoning Technical blog post on compiler testing
2026-03-03 05:46	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 05:45	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) 0.00
	reasoning Technical blog post on compiler testing
2026-03-03 05:05	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 05:03	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) 0.00
	reasoning Technical blog post on compiler testing
2026-03-03 04:58	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) -0.03
	reasoning Technical blog post on compiler testing
2026-03-03 04:33	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 04:28	eval	Evaluated by llama-3.3-70b-wai: +0.08 (Neutral) +0.03
	reasoning Technical blog post on compiler testing
2026-03-03 03:57	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 03:53	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) 0.00
	reasoning Technical blog post on compiler testing
2026-03-03 03:18	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 03:15	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) 0.00
	reasoning Technical blog post on compiler testing
2026-03-03 03:12	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 03:10	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) 0.00
	reasoning Technical blog post on compiler testing
2026-03-03 02:34	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 02:33	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) -0.03
	reasoning Technical blog post on compiler testing
2026-03-03 02:05	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 02:02	eval	Evaluated by llama-3.3-70b-wai: +0.08 (Neutral) 0.00
	reasoning Technical blog post on compiler testing
2026-03-03 01:56	eval	Evaluated by llama-3.3-70b-wai: +0.08 (Neutral) +0.03
	reasoning Technical blog post on compiler testing
2026-03-03 01:16	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 01:09	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) 0.00
	reasoning Technical blog post on compiler testing
2026-03-03 00:36	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-03 00:26	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral) 0.00
	reasoning Technical blog post on compiler testing
2026-03-03 00:02	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral) 0.00
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-02 23:58	eval	Evaluated by llama-4-scout-wai: +0.06 (Neutral)
	reasoning Technical blog post on compiler fuzzing and bug fixing, no explicit rights discussion
2026-03-02 23:57	eval	Evaluated by llama-3.3-70b-wai: +0.05 (Neutral)
	reasoning Technical blog post on compiler testing

build 7a5e5c1+p11n · deployed 2026-03-06 04:40 UTC · evaluated 2026-03-03 07:16:53 UTC