@inproceedings{gui-etal-2026-sve,
title = "{SVE}-Loom: Improving Session-Level Reliability for Natural-Language-to-{SVE} Code Generation with Bounded Feedback",
author = "Gui, Haoyuan and
Sheng, Hongjiao and
Zhang, Yifan and
Li, Huiyuan",
editor = "Lee, Hung-Yi and
Dev, Sunipa and
Li, Jessy and
Elliott, Desmond",
booktitle = "Findings of the {A}ssociation for {C}omputational {L}inguistics: {EMNLP} 2026",
month = oct,
year = "2026",
address = "Budapest, Hungary",
publisher = "Association for Computational Linguistics",
url = "https://aclanthology.org/2026.findings-emnlp.1457/",
pages = "31013--31029",
ISBN = "979-8-89176-462-0",
abstract = "Architecture-specific vector programming remains a difficult frontier for language models: an implementation can satisfy surface syntax yet fail because of a hallucinated intrinsic, an invalid predicate shape, a sizeless-type misuse, or a subtle tail-handling error. This work studies NL2SVE, a function-level code generation problem that maps natural-language specifications and fixed C/C++ signatures to ARM Scalable Vector Extension (SVE) implementations. We introduce SVE-Loom, a model-agnostic generation-and-repair framework that operates within a bounded compile-and-run feedback session. SVE-Loom combines ACLE schema repair, execution feedback, and reference-assisted Regional Semantic Bootstrap when scalar semantics are available. From an initial prompt under a bounded feedback budget, wrapped models using SVE-Loom achieve higher success rates, producing more legal and correct SVE implementations across evaluation benchmarks. We further mitigate the scarcity of public SVE supervision by constructing a NL2SVE corpus from GitHub-mined SVE code, template-generated kernels, and SVE-Loom-guided API-model candidates. This third layer makes the corpus extensible: scalar references or capability gaps can be converted into NL-to-SVE examples, while candidate SVE implementations are retained only after schema checks, compilation, execution testing, speedup measurement, and human audit."
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<abstract>Architecture-specific vector programming remains a difficult frontier for language models: an implementation can satisfy surface syntax yet fail because of a hallucinated intrinsic, an invalid predicate shape, a sizeless-type misuse, or a subtle tail-handling error. This work studies NL2SVE, a function-level code generation problem that maps natural-language specifications and fixed C/C++ signatures to ARM Scalable Vector Extension (SVE) implementations. We introduce SVE-Loom, a model-agnostic generation-and-repair framework that operates within a bounded compile-and-run feedback session. SVE-Loom combines ACLE schema repair, execution feedback, and reference-assisted Regional Semantic Bootstrap when scalar semantics are available. From an initial prompt under a bounded feedback budget, wrapped models using SVE-Loom achieve higher success rates, producing more legal and correct SVE implementations across evaluation benchmarks. We further mitigate the scarcity of public SVE supervision by constructing a NL2SVE corpus from GitHub-mined SVE code, template-generated kernels, and SVE-Loom-guided API-model candidates. This third layer makes the corpus extensible: scalar references or capability gaps can be converted into NL-to-SVE examples, while candidate SVE implementations are retained only after schema checks, compilation, execution testing, speedup measurement, and human audit.</abstract>
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%0 Conference Proceedings
%T SVE-Loom: Improving Session-Level Reliability for Natural-Language-to-SVE Code Generation with Bounded Feedback
%A Gui, Haoyuan
%A Sheng, Hongjiao
%A Zhang, Yifan
%A Li, Huiyuan
%Y Lee, Hung-Yi
%Y Dev, Sunipa
%Y Li, Jessy
%Y Elliott, Desmond
%S Findings of the Association for Computational Linguistics: EMNLP 2026
%D 2026
%8 October
%I Association for Computational Linguistics
%C Budapest, Hungary
%@ 979-8-89176-462-0
%F gui-etal-2026-sve
%X Architecture-specific vector programming remains a difficult frontier for language models: an implementation can satisfy surface syntax yet fail because of a hallucinated intrinsic, an invalid predicate shape, a sizeless-type misuse, or a subtle tail-handling error. This work studies NL2SVE, a function-level code generation problem that maps natural-language specifications and fixed C/C++ signatures to ARM Scalable Vector Extension (SVE) implementations. We introduce SVE-Loom, a model-agnostic generation-and-repair framework that operates within a bounded compile-and-run feedback session. SVE-Loom combines ACLE schema repair, execution feedback, and reference-assisted Regional Semantic Bootstrap when scalar semantics are available. From an initial prompt under a bounded feedback budget, wrapped models using SVE-Loom achieve higher success rates, producing more legal and correct SVE implementations across evaluation benchmarks. We further mitigate the scarcity of public SVE supervision by constructing a NL2SVE corpus from GitHub-mined SVE code, template-generated kernels, and SVE-Loom-guided API-model candidates. This third layer makes the corpus extensible: scalar references or capability gaps can be converted into NL-to-SVE examples, while candidate SVE implementations are retained only after schema checks, compilation, execution testing, speedup measurement, and human audit.
%U https://aclanthology.org/2026.findings-emnlp.1457/
%P 31013-31029
Markdown (Informal)
[SVE-Loom: Improving Session-Level Reliability for Natural-Language-to-SVE Code Generation with Bounded Feedback](https://aclanthology.org/2026.findings-emnlp.1457/) (Gui et al., Findings 2026)
ACL