mohu-org

mohu-org/mohu

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

55 good first / help-wanted issues · Rust · last activity Jun 28, 2026

16 stars 82 forks 16 watchers Rust MIT License
rust
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55 Open Issues Need Help Last updated: Jun 28, 2026

Open Issues Need Help

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All mohu-simd kernels are stubs — no SIMD acceleration exists yet about 2 months ago
enhancement help wanted performance crate: mohu-simd
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add SliceArg::from_range constructor for std::ops::Range about 2 months ago
good first issue crate: mohu-buffer
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add DLPack dtype code coverage tests to mohu-dtype about 2 months ago
good first issue interop testing crate: mohu-dtype
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Write python/mohu/__init__.py with public API and docstrings 3 months ago
good first issue python-bindings blocked: #7
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Write README.md for crates/mohu-dtype 3 months ago
documentation good first issue crate: mohu-dtype
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Write crates/mohu-buffer/README.md 3 months ago
documentation good first issue crate: mohu-buffer
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Missing crate: mohu-py — PyO3 Python bindings not bootstrapped 3 months ago
enhancement help wanted python-bindings
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add examples/buffer_basics.rs with annotated Buffer API walkthrough 4 months ago
documentation good first issue
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add pyproject.toml and maturin build setup for mohu-py 4 months ago
good first issue python-bindings blocked: #7
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add tests for ErrorReporter output formatting in mohu-error 4 months ago
good first issue testing crate: mohu-error GSSoC
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Write README.md for crates/mohu-core 4 months ago
documentation good first issue GSSoC
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Write README.md for crates/mohu-simd 4 months ago
documentation good first issue crate: mohu-simd GSSoC
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add deny.toml for workspace dependency auditing 4 months ago
good first issue ci GSSoC
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Write README.md for crates/mohu-array 5 months ago
documentation good first issue crate: mohu-array GSSoC
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add SliceArg::full() constructor for selecting entire axis 5 months ago
good first issue help wanted crate: mohu-buffer GSSoC
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add MohuError::is_oom() and is_io() convenience predicates 5 months ago
enhancement good first issue crate: mohu-error
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add Buffer::eye(n, dtype) identity matrix constructor 5 months ago
enhancement good first issue crate: mohu-buffer GSSoC
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Write Python type stubs (.pyi) for mohu.array 5 months ago
good first issue python-bindings blocked: #7
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Create python/tests/ pytest suite for mohu Python API 5 months ago
good first issue python-bindings blocked: #7
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Implement Default for DType returning DType::F64 5 months ago
enhancement good first issue crate: mohu-dtype GSSoC
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add Buffer::is_square() and Buffer::is_vector() convenience predicates 5 months ago
enhancement good first issue crate: mohu-buffer
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
MSRV badge missing and rust-toolchain.toml not verified against CI pin 5 months ago
documentation good first issue ci
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Missing: property-based tests for Buffer invariants 5 months ago
good first issue testing
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Write README.md for crates/mohu-error 5 months ago
documentation good first issue crate: mohu-error
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add integration tests for Buffer::gather and Buffer::scatter 5 months ago
good first issue testing crate: mohu-buffer GSSoC
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Missing: HDF5 and Parquet I/O in mohu-io 5 months ago
enhancement help wanted crate: mohu-io
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Clean up stale #[allow(dead_code)] suppressions in mohu-buffer 5 months ago
good first issue crate: mohu-buffer
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Missing crate: mohu-linalg — matmul, decompositions, solvers 5 months ago
enhancement help wanted linalg
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Missing: mohu-compat NumPy API coverage tracker 5 months ago
documentation enhancement help wanted
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add #[must_use] to all pure query methods on Buffer 5 months ago
good first issue crate: mohu-buffer
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add Buffer::is_square() convenience method for 2D arrays 5 months ago
enhancement good first issue crate: mohu-buffer
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Implement Default for Order (returns Order::C) 5 months ago
good first issue crate: mohu-buffer
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Implement Display for DType with NumPy-compatible string names 5 months ago
enhancement good first issue crate: mohu-dtype
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add Buffer::item() to extract a scalar from a single-element array 5 months ago
enhancement good first issue crate: mohu-buffer
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add CHANGELOG.md in Keep a Changelog format 5 months ago
documentation good first issue
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add DType::iter_floats(), iter_integers(), iter_complex() convenience iterators 5 months ago
enhancement good first issue crate: mohu-dtype
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Implement mohu-buffer/src/ops.rs: where_select with tests 5 months ago
enhancement good first issue testing crate: mohu-buffer
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add proptest strategies for DType to mohu-testing 5 months ago
enhancement good first issue testing crate: mohu-dtype
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Implement CPU feature detection in mohu-simd/src/detect.rs 5 months ago
enhancement good first issue crate: mohu-simd
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add examples/type_promotion.rs walkthrough to mohu-dtype 5 months ago
documentation good first issue crate: mohu-dtype
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add examples/error_handling.rs walkthrough to mohu-error 5 months ago
documentation good first issue crate: mohu-error
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add ErrorCode::domain() returning error domain as &'static str 5 months ago
enhancement good first issue crate: mohu-error
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Implement TryFrom<u32> and Display for ErrorCode 5 months ago
enhancement good first issue crate: mohu-error
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add doc comments to all public functions in mohu-buffer/src/ops.rs 5 months ago
documentation good first issue help wanted crate: mohu-buffer
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add DType::is_float(), is_integer(), is_complex() predicate methods 5 months ago
enhancement good first issue crate: mohu-dtype
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add Buffer::shape_matches() helper to reduce precondition boilerplate 5 months ago
good first issue crate: mohu-buffer crate: mohu-error
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add tests for MultiError accumulation in mohu-error 5 months ago
good first issue testing crate: mohu-error GSSoC
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add integration tests for Buffer::clip in mohu-buffer 5 months ago
good first issue testing crate: mohu-buffer GSSoC
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add iinfo struct for integer dtype metadata 5 months ago
enhancement good first issue crate: mohu-dtype GSSoC
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add finfo struct for float dtype metadata 5 months ago
enhancement good first issue crate: mohu-dtype GSSoC
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add Layout::squeeze(axis) and Layout::unsqueeze(axis) methods 5 months ago
enhancement good first issue crate: mohu-buffer GSSoC
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add Buffer::arange(start, stop, step, dtype) constructor 5 months ago
enhancement good first issue crate: mohu-buffer GSSoC
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Missing: mohu-benchmarks repo and cross-library baseline numbers 5 months ago
documentation enhancement help wanted
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add examples/layout_and_strides.rs walkthrough to mohu-buffer 5 months ago
documentation good first issue crate: mohu-buffer GSSoC
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust
Add Makefile with fmt, lint, test, bench, and fuzz targets 5 months ago
documentation good first issue help wanted GSSoC
mohu-org/mohu
16

NumPy reimagined in Rust. Parallel by default, Arrow-native, zero-copy Python bindings. The array library Python deserves.

Rust
#rust