feat(rust): establish Rust graph computing modernization framework (#355) - #359
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…pache#355) - Create computer-rust crate with high-performance CSR graph representation, PageRank, SSSP, and atomic aggregator kernels - Implement C-ABI export layer (computer_rust_c_api.h) for FFI interoperability - Add dataset fixtures (Karate Club, synthetic power-law) and differential tolerance check suite - Add Java RustKernelBridge in computer-core with graceful fallback logic and unit tests - Add Go RustKernelBridge in vermeer with fallback execution and unit tests - Create .github/workflows/rust-ci.yml for Rust linting, testing, and formatting - Add docs/rust-modernization-roadmap.md detailing architecture, guardrails, baselines, and newcomer-friendly child tasks
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Description
This PR implements the initial Rust modernization baseline and proof-of-concept framework for HugeGraph Computer and Vermeer as outlined in parent roadmap issue #355.
Key Changes
computer-rust):CSRGraph: High-performance Compressed Sparse Row / Column memory-efficient graph representation.PageRankKernel&SsspKernel: Vectorized, parallelized PageRank and Single Source Shortest Path computing kernels.AtomicAggregator: Lock-free thread-safe aggregators for superstep reductions.C-ABI FFI Layer: Exported functions incomputer_rust_c_api.handsrc/ffi/c_api.rsfor JNI (Java) and CGO/gRPC (Go) interoperability.benches/kernel_bench.rs) for measuring iteration speed and memory scaling.computer-core):RustKernelBridge.javawith graceful fallback to pure JavaComputationexecution if native library is absent.vermeer):rust_bridge.goinapps/computewith fallback execution..github/workflows/rust-ci.yml: Automatedcargo fmt,clippy,cargo test, and release build validation.docs/rust-modernization-roadmap.md: Comprehensive architecture overview, baseline principles, safety guardrails, and newcomer-friendly child issue breakdowns.Reference
Fixes #355