COOLJAPAN

COOLJAPAN Blog

The inside story of building the largest pure-Rust sovereignty stack

159 posts

release 159 pure-rust 144 scirs2 51 scientific-computing 22 rust 21 oxiarc 17 wasm 15 noffi 15 cuda 15 cooljapan 15 ai 15 numpy 14 formal-verification 14 compression 14 scipy 13 machine-learning 13
Apr 15, 2026 · 3 min

OxiCUDA 0.1.2 Released — Pure Rust CUDA Toolkit Replacement

Complete, type-safe, memory-safe rewrite of the entire NVIDIA CUDA Toolkit in pure Rust. cuBLAS/cuDNN/cuFFT/cuSPARSE/cuSOLVER/cuRAND and more — all in 253k SLoC across 28 crates. Only runtime dependency is the NVIDIA driver. PTX codegen + autotuner, 7 GPU backends (Metal/Vulkan/WebGPU/ROCm/LevelZero). ≥90–95% of native CUDA performance. The sovereign GPU computing layer for SciRS2 and the entire COOLJAPAN ecosystem (now 21M+ SLoC total).

releaseoxicudacuda
Apr 15, 2026 · 4 min

OxiEML 0.1.0 Released — Pure Rust EML Operator: All Elementary Functions from a Single Binary Operator

Pure Rust implementation of the eml(x, y) = exp(x) − ln(y) operator + constant 1 that expresses ALL elementary mathematical functions via uniform binary trees. Symbolic regression engine, lowering to efficient IR, code generation, CLI, SMT solving via OxiZ, SIMD/parallel batch evaluation via oxiblas-core. 173 tests, zero FFI. The sovereign mathematical foundation for SciRS2 and the entire COOLJAPAN ecosystem (now 26M+ SLoC total).

releaseoxiemlelementary-functions
Apr 15, 2026 · 3 min

OxiLLaMa 0.1.0 Released — Pure Rust LLM Inference Engine, Sovereign Alternative to llama.cpp

Complete GGUF loading + 25 quantized formats + OpenAI-compatible API server — all in pure Rust. 56.2k SLoC, 11 crates, no C/C++/Fortran, built on SciRS2/OxiBLAS/OxiFFT. ≥80% of llama.cpp throughput, WASM/GPU/Python bindings, LLaMA/Mistral/Gemma/Phi/LLaVA support. The sovereign LLM inference layer for SciRS2 and the entire COOLJAPAN ecosystem (now 21M+ SLoC total).

releaseoxillamallm-inference
Apr 15, 2026 · 3 min

OxiMedia 0.1.3 Released — Pure Rust FFmpeg + OpenCV Replacement for Sovereign Media and Computer Vision

Patent-free, memory-safe multimedia and computer-vision framework in pure Rust. Full reconstruction of FFmpeg (codecs, containers, streaming) + OpenCV (detection, tracking, enhancement). 2.65M+ SLoC, 106 stable crates, GPU (wgpu), WASM, async pipelines, royalty-free codecs only. High-performance media processing without C dependencies. The sovereign media layer for SciRS2 and the entire COOLJAPAN ecosystem (now 21M+ SLoC total).

releaseoximediaffmpeg
Apr 14, 2026 · 6 min

OxiCUDA 0.1.1 Released — New BLAS Activations and Hardened GPU Backends

First patch on the pure-Rust NVIDIA CUDA Toolkit replacement: six new oxicuda-blas elementwise activations (HardSigmoid, HardSwish, Softplus, LeakyRelu, Ceil, Floor) plus substantial ROCm/Vulkan/WebGPU backend growth. ~248K lines across 28 crates.

releaseoxicudacuda
Apr 13, 2026 · 3 min

Chie 0.2.0 Released — Pure Rust Decentralized CDN with Cryptographically Verified Bandwidth Incentives

High-performance IPFS-based decentralized content delivery network with dynamic rewards, bandwidth proofs, gamification, and anti-fraud. 198k+ SLoC pure Rust, Tauri desktop node, web creator portal, OxiARC compression. Node operators earn real rewards for bandwidth and storage. The sovereign content distribution layer for SciRS2 and the entire COOLJAPAN ecosystem (now 26M+ SLoC total).

releasechiedecentralized-cdn
Apr 13, 2026 · 8 min

OxiBonsai 0.1.0 Released — The World's First Pure Rust 1-Bit LLM Inference Engine

An 8B-parameter language model at roughly 1 bit per weight, running from a single static Rust binary with no llama.cpp, no BLAS, no C/C++/Fortran. OxiBonsai 0.1.0 debuts sub-2-bit Pure Rust sovereign AI inference for the COOLJAPAN ecosystem — SIMD-accelerated, Rayon-parallel, and OpenAI-compatible out of the box.

releaseoxibonsaillm
Apr 13, 2026 · 8 min

OxiCUDA 0.1.0 Released — A Pure Rust Replacement for the NVIDIA CUDA Toolkit

OxiCUDA 0.1.0 is a pure-Rust, type-safe, memory-safe replacement for the entire NVIDIA CUDA Toolkit software stack — cuBLAS, cuDNN, cuFFT, cuSPARSE, cuSOLVER, cuRAND and more in ~239K lines across 28 crates. The only runtime dependency is the NVIDIA driver. PTX code generation plus a built-in autotuner, all from safe Rust.

releaseoxicudacuda
Apr 12, 2026 · 7 min

SciRS2 0.4.2 Released — Neural Architecture Search, CMA-ES, Mamba SSM, Async GPU & Apache Iceberg: The Biggest 0.4.x Drop Yet

SciRS2 0.4.2 — pure-Rust SciPy/NumPy/scikit-learn replacement, 2.94M SLoC, 27,632 tests, 29 crates. This release adds Neural Architecture Search, CMA-ES, Mamba SSM, async/unified GPU memory, H-matrix compression, streaming FFT, DLPack zero-copy, and Apache Iceberg/DataFusion IO. No C/Fortran.

releasescirs2scientific-computing
Apr 6, 2026 · 8 min

OxiPhysics 0.1.0 Released — One Pure-Rust Engine for Rigid Bodies, Fluids, Molecules, and Structures

The first public release of OxiPhysics: a unified, pure-Rust physics engine targeting Bullet (rigid body), OpenFOAM (CFD), LAMMPS (molecular dynamics), and CalculiX (FEM) in one workspace. 17 crates spanning collision, SPH/LBM fluids, FEM, MD, soft body, materials, and visualization — with zero todo!()/unimplemented!() stubs and no C or Fortran in default features.

releaseoxiphysicsphysics-engine
Apr 4, 2026 · 8 min

OxiZ 0.2.0 Released — An Easy API, no_std/zkVM Support, and ML-Guided Heuristics for the Pure Rust SMT Solver

OxiZ 0.2.0 ships an ergonomic EasySolver builder, no_std support for bare-metal/zkVM (RISC-V), a Pure-Rust ML heuristics crate (oxiz-ml), Skolemization, a modular WASM js_api, and 100% Z3 parity across 88 benchmarks. Zero C/C++.

releaseoxizsmt-solver
Mar 29, 2026 · 6 min

OxiRS 0.2.4 Released — A Hardening Pass for the JVM-Free Knowledge Graph

OxiRS 0.2.4 ships a production-hardening pass for the Rust-native Semantic Web stack: a completed unwrap() audit, GPU feature-gating for Pure-Rust default builds, CLI flag fixes, and a fresh SciRS2 0.4 / OxiARC dependency refresh — 40,786 tests, zero warnings.

releaseoxirsrdf
Mar 28, 2026 · 4 min

CeleRS 0.2.0 Released — Pure Rust Celery-Compatible Distributed Task Queue

Production-ready, binary-level compatible drop-in replacement for Python Celery. 18 crates (100% complete), 4,075 tests, 10× throughput, type-safe macros, 5 brokers + 3 backends, Canvas workflows, DLQ, priority queues, task cancellation, and full observability. <50 MB memory, 10,000 tasks/sec per worker. The sovereign distributed task queue layer for SciRS2 and the entire COOLJAPAN ecosystem (now 26M+ SLoC total).

releasecelerscelery
Mar 28, 2026 · 6 min

SciRS2 0.4.1 Released — JIT-Accelerated Numeric Kernels and Browser-Side GPU, in Pure Rust

SciRS2 0.4.1 is a pure-Rust SciPy/NumPy/scikit-learn replacement: 2.91M SLoC, 25,863 tests, 32 crates. This release improves JIT compilation in scirs2-core, ships a 76-test WebGPU/WASM backend for browser GPU compute, and validates 15+ distributions to numerical accuracy. No C. No Fortran.

releasescirs2scientific-computing
Mar 27, 2026 · 7 min

QuantRS2 0.1.3 Released — Real Decompositions, Parameter-Shift Gradients, and a Hardened Core

QuantRS2 0.1.3, the pure-Rust quantum framework — real KAK/ZYZ/holonomic decompositions, parameter-shift VQE gradients, ZX-calculus rewrites, SABRE routing, MPS tensor-network compression, ML circuit optimizers, PyO3 0.26, and a ~210-unwrap robustness pass.

releasequantrs2quantum-computing
Mar 26, 2026 · 3 min

OxiONNX 0.1.0 Released — Pure Rust ONNX Inference Engine with 147 Operators

High-performance ONNX runtime written entirely in pure Rust. Zero C/C++ dependencies, 147 operators fully supported, wgpu GPU acceleration, SIMD (AVX2/NEON), WASM + no_std ready, graph optimizer, async execution, model encryption. 30k+ SLoC, 590+ tests. The sovereign ONNX inference layer for SciRS2 and the entire COOLJAPAN ecosystem (now 21M+ SLoC total).

releaseoxionnxonnx
Mar 26, 2026 · 4 min

SciRS2 0.4.0 Released — Pure Rust SciPy Replacement Now at 2.91 Million SLoC

SciPy-compatible scientific computing and AI framework in 100% Pure Rust. 2.91M SLoC, 29 crates, 25,800+ tests. Flash Attention 2, LoRA/DoRA/GPTQ, ONNX export, GPU PDE/FFT/SpMV, Temporal GNNs, NeRF/instant-NGP, WebGPU backend, Delta Lake / Kafka I/O and more. 10–100× faster, zero system deps. The sovereign scientific computing and AI foundation for the entire COOLJAPAN ecosystem (now 21M+ SLoC total).

releasescirs2scientific-computing
Mar 26, 2026 · 4 min

VoiRS 0.1.0 Release Candidate 1 — Pure Rust Neural TTS, Voice Recognition & Sound Framework

Production-grade pure Rust Text-to-Speech (TTS), Voice Recognition, and Sound framework. VITS + HiFi-GAN/DiffWave vocoders, real-time ≤0.05× RTF on GPU, streaming synthesis, SSML, 20+ languages, ONNX/Kokoro-82M support, SafeTensors checkpoints. Full integration with SciRS2/NumRS2. WASM, GPU (CUDA/Metal), Python/FFI bindings. The sovereign speech AI layer for the entire COOLJAPAN ecosystem (now 21M+ SLoC total).

releasevoirstts
Mar 25, 2026 · 3 min

RusMES 0.1.1 Released — Pure Rust Enterprise Mail Server Porting Apache JAMES

Next-generation distributed mail server written entirely in Rust. Full SMTP/IMAP/JMAP/POP3 support, Mailet-based processing pipeline, AI integration (OxiFY), legal archiving (Legalis-RS), and AmateRS distributed storage. 16 crates, 1,942 tests, 10–50 MB memory footprint, >50,000 messages/second throughput. The sovereign mail infrastructure layer for SciRS2 and the entire COOLJAPAN ecosystem (now 21M+ SLoC total).

releaserusmesmail-server
Mar 21, 2026 · 4 min

NumRS2 0.3.1 Released — Pure Rust NumPy Replacement with 222k+ SLoC

High-performance numerical computing library in pure Rust — the production-grade NumPy alternative. 222k+ SLoC, 4,704+ tests, 128+ SIMD-vectorized functions, N-dimensional arrays, advanced linalg via OxiBLAS, automatic differentiation, FFT, GPU (wgpu), Python bindings (PyO3), Arrow interop. 80–172% of OpenBLAS performance, zero C/Fortran deps. The sovereign numerical layer for SciRS2 and the entire COOLJAPAN ecosystem (now 21M+ SLoC total).

releasenumrs2numpy
Mar 21, 2026 · 3 min

OxiARC 0.2.6 Released — Pure Rust Archive and Compression That Outperforms zlib and libarchive

12 archive formats and 10 compression algorithms implemented from scratch in pure Rust. DEFLATE up to 400 MB/s, SIMD-accelerated CRC (3–4.5× faster), full async streaming, Brotli + Snappy support, LZH (Japanese legacy) full support. ~47k SLoC, 12 crates, 1,041 tests. The sovereign data packaging layer for SciRS2 and the entire COOLJAPAN ecosystem (now 21M+ SLoC total).

releaseoxiarcarchive
Mar 20, 2026 · 6 min

ToRSh 0.1.1 Released — A Stabilized Pure-Rust PyTorch, Now With a Model Converter

ToRSh is a PyTorch-compatible deep-learning framework in pure Rust with native tensor sharding. The 0.1.1 release hardens the 33-crate workspace onto consistent, published crates.io dependencies and adds the new torsh-convert model-converter CLI.

releasetorshdeep-learning
Mar 18, 2026 · 3 min

OptiRS 0.3.0 Released — Pure Rust ML Optimization Suite Powered by SciRS2

Production-grade machine learning optimization library with 22 optimizers (SGD→K-FAC), SIMD 2–4×, parallel 4–8×, GPU 10–50× acceleration. 251K+ SLoC, 7 crates, 1,220+ tests. Full extension of SciRS2-Core — no external deps allowed. The sovereign optimizer layer for SciRS2 and the entire COOLJAPAN ecosystem (now 21M SLoC total).

releaseoptirsml-optimization
Mar 18, 2026 · 6 min

OxiArc 0.2.5 Released — Brotli and Snappy Arrive as Brand-New Codecs, Taking OxiArc to 12 Crates

OxiArc 0.2.5 adds two brand-new compression crates — Brotli (RFC 7932, quality 0-11) and Snappy (block + framed with CRC32C) — bringing the workspace to 12 crates and 12 container formats. Plus DEFLATE/GZip/Zlib streaming with flush modes, LZW streaming, and an EntryBuilder fluent API. 1,038 tests, all passing. Pure Rust archive and compression — no C, no zlib, no libarchive.

releaseoxiarccompression