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Ke Wang

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titleconferencedate
Synchronized Behavior Checking: A Method for Finding Missed Compiler OptimizationsOOPSLA 20252025-10-16
Synchronized Behavior Checking cross-validates pairs of optimizations by mutating programs and checking co-occurring and complementary coordinated behaviors so…
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Incremental Equality SaturationEGRAPHS 20252025-06-16
Introduces an incremental egraph with per–e-class versions and a top-K analysis (K=2) so rewrites only target e-classes created by the current version and…
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Solving Floating-Point Constraints with Continuous OptimizationPLDI 20252025-06-16
Grater converts floating‑point formulas into continuous, piecewise‑linear objective functions and uses gradient descent with random starts to find global…
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Evaluating the effectiveness of Deep Learning Models for Foundational Program Analysis(…)OOPSLA 20242024-10-20
Compares CuBERT, CodeBERT, GGNN and Graph Sandwiches on two concrete tasks—alias prediction (must/may/must-not) and semantic equivalence—using a new CodeSem…
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Data Caching for Enterprise-Grade Petabyte-Scale OLAPUSENIX ATC 20242024-07-10
Alluxio local cache embeds on-node SSDs and a page store to serve reads for Presto and HDFS, cutting network I/O and API calls. Deployed at Uber and Meta for…
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An Explanation Method for Models of CodeOOPSLA 20232023-10-23
An Explanation Method for Models of Code (Video, OOPSLA2 2023) Yu Wang, Ke Wang, and Linzhang Wang (Nanjing University, China; Visa Research, USA; Nanjing…
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Adaptive Online Cache Capacity Optimization via Lightweight Working Set Size...USENIX ATC '232023-07-10
Cuki is a tiny, thread-safe cuckoo-style sketch that estimates working set size and item-repetition ratio online for variable-size objects, with provable error…
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How to Foster Cross-Community Collaboration – Lessons LearnedOpen Source Leadership Summit @ Open Source Summit North America 20232023-05-10
Collaboration integrates Alluxio with Presto to deliver an SSD caching feature driven by a prototype (Raptor) that targets a 10x speedup; work starts end of…
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Learning Semantic Program Embeddings with Graph Interval Neural NetworkOOPSLA 20202020-11-15
Paper presents Graph Interval Neural Network that learns program embeddings by iteratively abstracting control flow graphs into interval-based abstraction…
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Serverless Platform for Large Scale Mini-Apps: From Knative to ProductionKubeCon + CloudNativeCon North America 20192019-11-18
Ant Financial describes a production serverless stack built on Knative that fixes cold starts, cost and scale. They implement a pod pool prewarm that injects…
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