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Jones Ray

ScholarPulse 日报 2026-08-17

2026-08-17 学术简报:2 篇。LLM-modernized科学软件内核在故障响应测试中与原始代码完全一致,验证了现代化的可靠性。

今日速览

序号标题来源日期主题推荐等级
1Validating LLM-Modernized Scientific Software Through Differential Fault InjectionarXiv2026-08-14AI-Agent高
2Participatory Moral AI Is Not Neutral: The Invisible Hand of DevelopersarXiv2026-08-14AI-Agent高

重点论文与技术动态

1. Validating LLM-Modernized Scientific Software Through Differential Fault Injection

一句话结论

LLM-modernized科学软件内核在故障响应测试中与原始代码完全一致,验证了现代化的可靠性。

核心内容

方法与数据

价值判断

摘要 Large language model (LLM) agents are increasingly used to modernize the legacy Fortran underlying production scientific software, but validation of these transformations emphasizes nominal executions and may not test whether a modernization preserves the original code's response to faults, perturbations, and reduced precision. We present a differential fault-injection validation method: a harness instruments the shared self-consistent-field driver of GAMESS at twelve sites and applies identical, deterministic faults to the original and LLM-modernized implementations, isolating the converted integral kernels. Across more than 2,200 runs, transient-fault absorption costs match a contraction-based model (predicted slopes 0.74 and 1.49 iterations per bit; measured 0.82 and 1.50), persistent perturbations halve final-energy error per additional bit, and the campaigns expose phase-dependent parallel deadlocks and false convergence under reduced precision. The original and modernized kernels agree in all 200 paired injections, and a measurement-guided synchronization change composes with the modernization, matching in all 40 pairs.

2. Participatory Moral AI Is Not Neutral: The Invisible Hand of Developers

一句话结论

投票式道德AI对齐无法仅通过聚合实现公平透明,必须审计披露管道各阶段。

一段话。
开发者在道德AI获取管道中对特征范围、投票者抽样和问题框架的决策常被忽视为技术细节,实际影响偏好生成,导致道德AI非中立。

核心内容

方法与数据

价值判断

摘要 As AI systems make more morally loaded decisions across society, one response has been moral preference elicitation. In this approach, researchers poll participants on hypothetical dilemmas and use the aggregated votes to train a policy that an AI model then applies at scale. Before any vote is cast, developers make three key choices in the moral AI elicitation pipeline: feature scoping, voter sampling, and question framing. In other words, they decide which features go to a vote, which voters to include, and how to present the question. These choices are often opaque, undocumented, and treated as technical details rather than normative ones. We examine each of these choices within a common empirical study and show that each can shape the preferences produced by moral AI elicitation. Across two phases (N = 809) in three deployment contexts (i.e., AI kidney allocation, AI agents simulating absent workers, and generative AI depictions of the deceased), we examine the three main stages of the moral AI elicitation pipeline. First, morally relevant features shift across contexts. This suggests that feature schemas should not be assumed to transfer across deployment domains. Second, preferences differ by political ideology for roughly one-third of features, with some differences reversing direction. The ideological composition of the voter pool can therefore affect the resulting aggregated preference profile. Third, the wording of the elicitation question can narrow or widen ideological gaps by up to a full scale point. The framing conditions also change how moral foundations are associated with participants' judgments. Taken together, these findings suggest that voting-based alignment cannot deliver fair or transparent AI by aggregation alone; at minimum, each stage of the moral AI elicitation pipeline should be audited and disclosed.