home / david.alvarezrosa.com / item 47155811
Model Comparison
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Model Editorial Structural Class Conf SETL Theme @cf/meta/llama-3.3-70b-instruct-fp8-fast lite 0.00 ND Neutral 1.00 0.00 no human rights @cf/meta/llama-4-scout-17b-16e-instruct lite 0.00 ND Neutral 1.00 0.00 — deepseek/deepseek-v3.2-20251201 +0.23 +0.08 Mild positive 0.02 0.19 Knowledge Sharing claude-haiku-4-5-20251001 +0.04 +0.07 Mild positive 0.06 -0.05 Digital Access & Education meta-llama/llama-3.3-70b-instruct:free ND ND — — — —
Section @cf/meta/llama-3.3-70b-instruct-fp8-fast lite @cf/meta/llama-4-scout-17b-16e-instruct lite deepseek/deepseek-v3.2-20251201 claude-haiku-4-5-20251001 meta-llama/llama-3.3-70b-instruct:free Preamble ND ND ND ND ND Article 1 ND ND ND ND ND Article 2 ND ND ND ND ND Article 3 ND ND ND ND ND Article 4 ND ND ND ND ND Article 5 ND ND ND ND ND Article 6 ND ND ND ND ND Article 7 ND ND ND ND ND Article 8 ND ND ND ND ND Article 9 ND ND ND ND ND Article 10 ND ND ND ND ND Article 11 ND ND ND ND ND Article 12 ND ND ND ND ND Article 13 ND ND ND ND ND Article 14 ND ND ND ND ND Article 15 ND ND ND ND ND Article 16 ND ND ND ND ND Article 17 ND ND ND ND ND Article 18 ND ND ND ND ND Article 19 ND ND 0.24 0.14 ND Article 20 ND ND ND ND ND Article 21 ND ND ND ND ND Article 22 ND ND ND ND ND Article 23 ND ND ND ND ND Article 24 ND ND ND ND ND Article 25 ND ND ND ND ND Article 26 ND ND 0.19 0.09 ND Article 27 ND ND 0.29 0.14 ND Article 28 ND ND ND ND ND Article 29 ND ND ND ND ND Article 30 ND ND ND ND ND
Summary Digital Access & Education Acknowledges
This technical software engineering blog post has minimal direct engagement with human rights themes, being primarily specialized educational content. The content demonstrates modest positive signals through free public access (Article 19), readable typography supporting accessibility (Article 26), and sharing of technical knowledge without barriers (Article 27). The evaluation recognizes that the site's open publication model and accessibility design choices implicitly support information dissemination and educational access, though these are structural rather than editorial commitments.
Article Heatmap
Preamble: ND — Preamble Preamble: No Data — Preamble P Article 1: ND — Freedom, Equality, Brotherhood Article 1: No Data — Freedom, Equality, Brotherhood 1 Article 2: ND — Non-Discrimination Article 2: No Data — Non-Discrimination 2 Article 3: ND — Life, Liberty, Security Article 3: No Data — Life, Liberty, Security 3 Article 4: ND — No Slavery Article 4: No Data — No Slavery 4 Article 5: ND — No Torture Article 5: No Data — No Torture 5 Article 6: ND — Legal Personhood Article 6: No Data — Legal Personhood 6 Article 7: ND — Equality Before Law Article 7: No Data — Equality Before Law 7 Article 8: ND — Right to Remedy Article 8: No Data — Right to Remedy 8 Article 9: ND — No Arbitrary Detention Article 9: No Data — No Arbitrary Detention 9 Article 10: ND — Fair Hearing Article 10: No Data — Fair Hearing 10 Article 11: ND — Presumption of Innocence Article 11: No Data — Presumption of Innocence 11 Article 12: ND — Privacy Article 12: No Data — Privacy 12 Article 13: ND — Freedom of Movement Article 13: No Data — Freedom of Movement 13 Article 14: ND — Asylum Article 14: No Data — Asylum 14 Article 15: ND — Nationality Article 15: No Data — Nationality 15 Article 16: ND — Marriage & Family Article 16: No Data — Marriage & Family 16 Article 17: ND — Property Article 17: No Data — Property 17 Article 18: ND — Freedom of Thought Article 18: No Data — Freedom of Thought 18 Article 19: +0.14 — Freedom of Expression 19 Article 20: ND — Assembly & Association Article 20: No Data — Assembly & Association 20 Article 21: ND — Political Participation Article 21: No Data — Political Participation 21 Article 22: ND — Social Security Article 22: No Data — Social Security 22 Article 23: ND — Work & Equal Pay Article 23: No Data — Work & Equal Pay 23 Article 24: ND — Rest & Leisure Article 24: No Data — Rest & Leisure 24 Article 25: ND — Standard of Living Article 25: No Data — Standard of Living 25 Article 26: +0.09 — Education 26 Article 27: +0.14 — Cultural Participation 27 Article 28: ND — Social & International Order Article 28: No Data — Social & International Order 28 Article 29: ND — Duties to Community Article 29: No Data — Duties to Community 29 Article 30: ND — No Destruction of Rights Article 30: No Data — No Destruction of Rights 30
Aggregates
Editorial Mean +0.04 Structural Mean +0.07 Weighted Mean +0.12 Unweighted Mean +0.12 Max +0.14 Article 19 Min +0.09 Article 26 Signal 3 No Data 28 Volatility 0.02 (Low) Negative 0 Channels E: 0.6 S: 0.4 SETL ℹ -0.05 Structural-dominant FW Ratio ℹ 50% 7 facts · 7 inferences
Theme Radar
Foundation Security Legal Privacy & Movement Personal Expression Economic & Social Cultural Order & Duties Foundation: 0.00 (0 articles) Security: 0.00 (0 articles) Legal: 0.00 (0 articles) Privacy & Movement: 0.00 (0 articles) Personal: 0.00 (0 articles) Expression: 0.14 (1 articles) Economic & Social: 0.00 (0 articles) Cultural: 0.11 (2 articles) Order & Duties: 0.00 (0 articles)
HN Discussion
4 top-level · 7 replies
Nice overview, it misses other kinds of dispatch though.
With concepts, templates and compile time execution, there is no need for CRTP, and in addition it can cover for better error messages regarding what methods to dispatch to.
I wonder if I still have the link.
One of the papers I had bookmarked when toying with my own language design was someone that had worked out how to make interfaces as fast or faster than vtables by using perfect hashing and using the vtable as a hash table instead of a list.
You can also, when inlining a polymorphic call, put a conditional block in that bounces back to full dispatch if the call occasionally doesn’t match the common case. The problem with polymorphic inlining though is that it quickly resembles the exact sort of code we delete and replace with polymorphic dispatch:
if (typeof arg1 == “string”) {
} else if typeof arg1 === …) {
} else if {
} else if {
} else {
} Good article, rare to see simple explanations of intricate C++ ideas.
> Under the hood, a virtual table (vtable) is created for each class, and a pointer (vptr) to the vtable is added to each instance.
Coming from C++ I assumed this was the only way but Rust has an interesting approach where the single objects do not pay any cost because virtual dispatch is handled by fat pointers. So you carry around the `vptr` in fat pointers (`&dyn MyTrait`) only when needed, not in every instance.
Fair. New C++ standards are providing great tools for compile-time everything
But still CRTP is widely used in low-latency environments :)
Nice one, TIL
One caveat with "hash vtables" is that you only really see a performance win when the interface has a lot of specializations.
I've been thinking through what features I'd want in a language if I were designing one myself, and one of my desires is to have exhaustive matches on enums (which could be made of any primitive type) and sum types. The ability to generate perfect hashes at compile time was one of the things that falls out nicely from that
Good point, thanks for sharing!
> using the vtable as a hash table instead of a list.
Could you explain this a bit more? The word "list" makes me think you might be thinking that virtual method lookup iterates over each element of the vtable, doing comparisons until it finds a match -- but I'm certain that this is not how virtual method invocation works in C++. The vtable is constructed at compile time and is already the simplest possible "perfect hashtable": a short, dense array with each virtual method mapping to a function pointer at a statically known index.
There have been type-erasure libraries in c++ for a longish time that allow choosing inline vtables and inline storage. It's definitely been a widely talked about technique for at least 10 years (I see talks about Dyno from 2017).
Editorial Channel
What the content says
+0.05
Medium Practice
Content is published openly without paywalls, supporting dissemination of information and ideas. Technical article demonstrates expression of expertise.
FW Ratio: 50%
Observable Facts
Page is publicly accessible without subscription or authentication barriers. Content is presented as a written technical article available to any reader. Inferences
Free publication supports the right to share and receive information on a specialized topic. Open access model demonstrates practical commitment to unrestricted information dissemination. +0.04
Medium Practice
Technical article represents participation in scientific/technological advancement and sharing of specialized knowledge.
FW Ratio: 50%
Observable Facts
Post discusses advanced software engineering concepts (devirtualization, static polymorphism) representing technical innovation. Content is freely published without access restrictions, making specialized knowledge available to the public. Inferences
Publishing technical knowledge supports others' ability to participate in scientific and technological advancement. Open access to specialized information enables broader benefit-sharing from intellectual progress. +0.03
Medium Practice
Technical content provides educational information about software engineering concepts, contributing to knowledge dissemination.
FW Ratio: 50%
Observable Facts
Page uses carefully configured font families with size-adjust and override properties for readability. Layout includes max-width constraints and fluid margins supporting accessibility across screen sizes. Content is presented without paywalls or access restrictions. Inferences
Typography optimization suggests attention to readability as an accessibility principle. Responsive design choices indicate effort to make content accessible to users with diverse devices and needs. Free educational content contributes to right to education through knowledge sharing. ND
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Content is technical software engineering documentation with no engagement on UDHR preamble themes.
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No discussion of equal dignity or rights of all members of the human family.
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No engagement with non-discrimination principles.
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No discussion of life, liberty, or security of person.
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No engagement with slavery or servitude issues.
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No discussion of torture or cruel treatment.
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No discussion of legal personhood or right to recognition.
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No discussion of equality before law or equal protection.
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No discussion of remedies for rights violations.
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No discussion of arbitrary arrest or detention.
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No discussion of fair trial or impartial hearing.
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No discussion of criminal responsibility or presumption of innocence.
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No discussion of privacy, family, or correspondence.
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No discussion of freedom of movement or residence.
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No discussion of right to seek asylum.
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No discussion of nationality or right to change it.
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No discussion of marriage, family, or consent.
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No discussion of property rights or ownership.
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No discussion of freedom of thought, conscience, or religion.
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No discussion of freedom of peaceful assembly or association.
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No discussion of social security or economic rights.
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No discussion of work, employment, or fair wages.
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No discussion of rest, leisure, or reasonable working hours.
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No discussion of health, food, clothing, housing, or medical care.
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No discussion of international social and economic order.
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No discussion of duties, responsibilities, or limitations on rights.
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No discussion of prevention of destruction of UDHR rights.
Structural Channel
What the site does
+0.08
Medium Practice
Site structure provides free public access to written content; responsive design supports accessibility across devices.
+0.08
Medium Practice
Free public access model enables broad participation in benefits of intellectual and technological progress.
+0.05
Medium Practice
Responsive design with accessible typography (font-face declarations, size adjustments, line-gap overrides) and max-width constraints support readability for broader audience.
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No structural elements relate to UDHR preamble.
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Supplementary Signals
How this content communicates, beyond directional lean.
Learn more How well-sourced and evidence-based is this content?
0.58 high claims
Sources 0.6 Evidence 0.7 Uncertainty 0.5 Purpose 0.7
No manipulative rhetoric detected
0 techniques detected
Emotional character: positive/negative, intensity, authority
measured
Valence +0.1 Arousal 0.3 Dominance 0.4
Does the content identify its author and disclose interests?
0.50
✓ Author
More signals: context, framing & audience Does this content offer solutions or only describe problems?
0.60 solution oriented
Whose perspectives are represented in this content?
0.15 1 perspective
Speaks: institution
Is this content looking backward, at the present, or forward?
present unspecified
What geographic area does this content cover?
global How accessible is this content to a general audience?
expert high jargon expert
Longitudinal
750 HN snapshots · 16 evals
Audit Trail
36 entries all eval pipeline all models llama-3.3-70b-wai llama-4-scout-wai deepseek-v3.2 claude-haiku-4-5-20251001
newest first
2026-02-28 14:07 eval_success Lite evaluated: Neutral (0.00) - - 2026-02-28 14:07
eval
Evaluated by llama-3.3-70b-wai : 0.00 (Neutral) 0.00 reasoning tech tutorial no rights stance
2026-02-28 14:03 eval_success Lite evaluated: Neutral (0.00) - - 2026-02-28 14:03
eval
Evaluated by llama-3.3-70b-wai : 0.00 (Neutral) reasoning tech tutorial no rights stance
2026-02-26 23:08 eval_success Light evaluated: Neutral (0.00) - - 2026-02-26 23:08
eval
Evaluated by llama-4-scout-wai : 0.00 (Neutral) 2026-02-26 20:16 dlq Dead-lettered after 1 attempts: Devirtualization and Static Polymorphism - - 2026-02-26 20:14 rate_limit OpenRouter rate limited (429) model=llama-3.3-70b - - 2026-02-26 20:13 rate_limit OpenRouter rate limited (429) model=llama-3.3-70b - - 2026-02-26 20:12 rate_limit OpenRouter rate limited (429) model=llama-3.3-70b - - 2026-02-26 17:36 dlq Dead-lettered after 1 attempts: Devirtualization and Static Polymorphism - - 2026-02-26 17:35 rate_limit OpenRouter rate limited (429) model=llama-3.3-70b - - 2026-02-26 17:34 rate_limit OpenRouter rate limited (429) model=llama-3.3-70b - - 2026-02-26 17:32 rate_limit OpenRouter rate limited (429) model=llama-3.3-70b - - 2026-02-26 17:05 eval_success Evaluated: Mild positive (0.24) - - 2026-02-26 17:05
eval
Evaluated by deepseek-v3.2 : +0.24 (Mild positive) 17,709 tokens 2026-02-26 09:10 dlq Dead-lettered after 1 attempts: Devirtualization and Static Polymorphism - - 2026-02-26 09:09 dlq Dead-lettered after 1 attempts: Devirtualization and Static Polymorphism - - 2026-02-26 09:07 rate_limit OpenRouter rate limited (429) model=mistral-small-3.1 - - 2026-02-26 09:07 rate_limit OpenRouter rate limited (429) model=hermes-3-405b - - 2026-02-26 09:06 rate_limit OpenRouter rate limited (429) model=mistral-small-3.1 - - 2026-02-26 09:06 rate_limit OpenRouter rate limited (429) model=hermes-3-405b - - 2026-02-26 09:05 rate_limit OpenRouter rate limited (429) model=hermes-3-405b - - 2026-02-26 09:05 rate_limit OpenRouter rate limited (429) model=mistral-small-3.1 - - 2026-02-26 03:53
eval
Evaluated by claude-haiku-4-5-20251001 : +0.12 (Mild positive) 19,983 tokens -0.24 2026-02-26 03:50
eval
Evaluated by claude-haiku-4-5-20251001 : +0.37 (Neutral) 20,074 tokens +0.22 2026-02-26 03:07
eval
Evaluated by claude-haiku-4-5-20251001 : +0.15 (Mild positive) 20,156 tokens -0.08 2026-02-26 02:44
eval
Evaluated by claude-haiku-4-5-20251001 : +0.23 (Mild positive) 19,793 tokens +0.09 2026-02-26 00:48
eval
Evaluated by claude-haiku-4-5-20251001 : +0.13 (Mild positive) 19,873 tokens -0.01 2026-02-26 00:07
eval
Evaluated by claude-haiku-4-5-20251001 : +0.14 (Mild positive) 20,206 tokens -0.13 2026-02-25 23:49
eval
Evaluated by claude-haiku-4-5-20251001 : +0.27 (Mild positive) 19,969 tokens +0.11 2026-02-25 23:49
eval
Evaluated by claude-haiku-4-5-20251001 : +0.16 (Mild positive) 19,898 tokens -0.03 2026-02-25 22:51
eval
Evaluated by claude-haiku-4-5-20251001 : +0.19 (Mild positive) 17,351 tokens -0.08 2026-02-25 22:50
eval
Evaluated by claude-haiku-4-5-20251001 : +0.27 (Mild positive) 17,237 tokens +0.14 2026-02-25 22:22
eval
Evaluated by claude-haiku-4-5-20251001 : +0.13 (Mild positive) 17,103 tokens -0.18 2026-02-25 22:00
eval
Evaluated by claude-haiku-4-5-20251001 : +0.31 (Neutral) 17,138 tokens