lablup/mlxcel

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High-performance LLM, VLM, embedding, reranking, and audio inference for Apple Silicon and NVIDIA CUDA systems.

Stars: 470
Forks: 54
Open beginner issues: 38
Indexed issues: 160
Avg merge: 4h 45m
Merged PRs (30d): 305

Dominant language: Rust
License: Apache-2.0
Last GitHub push: Sep 19, 2026
Latest indexed: Sep 15, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: help wanted

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151 open issues indexed

chore(deps): bump the MLX pin and declare a base commit for each overlay Open

area:core platform:linux platform:macos priority:medium status:ready type:chore

Difficulty 5/5 Over a week Newbie friendliness 38/100

lablup/mlxcel#1932 · Opened Sep 19, 2026
ci(webui): the Activity performance gate fails on runner noise Open

priority:medium status:ready type:bug

Difficulty 5/5 Over a week Newbie friendliness 38/100

lablup/mlxcel#1925 · 1 comment · Opened Sep 19, 2026
feat(webui): redesign the model library as a dense, task-first list with row actions Open

area:architecture priority:high status:done type:enhancement

Difficulty 5/5 Over a week Newbie friendliness 48/100

lablup/mlxcel#1918 · Opened Sep 18, 2026
feat(webui): make Activity read as a status page, with consistent slot occupancy and honest counters Open

area:architecture priority:medium status:done type:enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

lablup/mlxcel#1916 · Opened Sep 18, 2026
epic: make the bundled WebUI usable, on the shared ui-common foundation Open

area:architecture priority:high status:ready type:enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

lablup/mlxcel#1910 · Opened Sep 18, 2026
docs(webui): ship release-time user docs and surface --webui in --help Open

area:cli area:docs priority:high status:ready type:docs

Difficulty 5/5 Over a week Newbie friendliness 35/100

lablup/mlxcel#1900 · Opened Sep 16, 2026
fix(rocm): CUDA and ROCm hosts share one MTP policy cache key Open

status:backlog type:bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

lablup/mlxcel#1887 · 1 comment · Opened Sep 14, 2026
fix(rocm): the Gumbel-max and rejection sampler entry points have no ROCm arm and abort on metal_kernel Open

status:backlog type:bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

lablup/mlxcel#1885 · Opened Sep 14, 2026
fix(rocm): hipFFT blocks when too many plans are alive, root cause unknown Open

area:core platform:linux priority:medium status:ready type:bug

Difficulty 5/5 Over a week Newbie friendliness 35/100

lablup/mlxcel#1876 · Opened Sep 13, 2026
chore(ci): kernel dtype-key checker cannot see launches that move into headers Open

area:core priority:low status:ready type:enhancement

Difficulty 4/5 3-5 days Newbie friendliness 55/100

lablup/mlxcel#1875 · Opened Sep 13, 2026
fix(rocm): get_launch_args clamps the grid without a grid-stride contract Open

area:core platform:linux priority:medium status:ready type:bug

Difficulty 5/5 Over a week Newbie friendliness 45/100

lablup/mlxcel#1874 · Opened Sep 13, 2026
test(cuda): run the deferred CUDA arm for the merged ROCm routing work on a GB10 node Open

area:core platform:linux priority:high status:ready type:test

Difficulty 4/5 3-5 days Newbie friendliness 35/100

lablup/mlxcel#1873 · 1 comment · Opened Sep 13, 2026
perf(moe): attribute the MoE decode gap at the M = 1 expert gather Open

area:core area:inference priority:medium status:ready type:performance

Difficulty 4/5 3-5 days Newbie friendliness 35/100

lablup/mlxcel#1859 · 1 comment · Opened Sep 12, 2026
fix(bench): bench_mlxlm.py hardcodes a 128 GB memory budget Open

area:benchmark priority:medium status:blocked type:bug

Difficulty 4/5 3-5 days Newbie friendliness 20/100

lablup/mlxcel#1858 · Opened Sep 12, 2026
refactor(mlx-cpp): organize mlxcel's MLX-side layer as mlxcelverse (backend overlays and mlxcel kernels) Open

area:architecture priority:low status:backlog type:refactor

lablup/mlxcel#1816 · 1 assignee · Opened Sep 11, 2026
perf(rocm): allocator footprint and ROCm ports of mlxcel fused kernels Open

area:core platform:linux priority:low status:backlog type:performance

Difficulty 5/5 Over a week Newbie friendliness 30/100

lablup/mlxcel#1814 · Opened Sep 11, 2026
chore(rocm): mlxcelverse ROCm fork sync script, MLX pin-bump procedure, and upstreaming local fixes Open

area:core platform:linux priority:medium status:backlog type:chore

Difficulty 5/5 Over a week Newbie friendliness 35/100

lablup/mlxcel#1813 · Opened Sep 11, 2026
ci(rocm): self-hosted gfx1151 runner that builds, links and smoke-tests ROCm changes Open

area:core platform:linux priority:medium status:backlog type:chore

Difficulty 5/5 Over a week Newbie friendliness 42/100

lablup/mlxcel#1811 · Opened Sep 11, 2026
perf(bench): ROCm support in the benchmark harness and a published gfx1151 baseline Open

area:benchmark platform:linux priority:medium status:backlog type:performance

Difficulty 4/5 3-5 days Newbie friendliness 48/100

lablup/mlxcel#1810 · Opened Sep 11, 2026
test(rocm): correctness matrix against a Metal baseline and a verify-test-rocm gate Open

area:inference platform:linux priority:medium status:in-progress type:test

Difficulty 5/5 Over a week Newbie friendliness 25/100

lablup/mlxcel#1809 · 2 comments · Opened Sep 11, 2026
fix(rocm/quant): mxfp4 qmm hang and GPU quantize launch failure, with an affine 4-bit fallback Open

arch:moe area:models platform:linux priority:medium status:backlog type:bug

Difficulty 5/5 Over a week Newbie friendliness 35/100

lablup/mlxcel#1808 · Opened Sep 11, 2026
feat(rocm/quant): mxfp8 end-to-end on ROCm, including FP8 block checkpoints and the MoE gather path Open

area:models platform:linux priority:medium status:backlog type:enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

lablup/mlxcel#1807 · Opened Sep 11, 2026
feat(quant): backend quantization capability table and load-time convert-or-reject policy Open

area:models platform:linux priority:medium status:backlog type:enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

lablup/mlxcel#1806 · Opened Sep 11, 2026
fix(rocm): surface ROCm GPU failures through Event::error instead of NaN or hangs Open

area:core platform:linux priority:medium status:backlog type:bug

Difficulty 5/5 Over a week Newbie friendliness 35/100

lablup/mlxcel#1804 · Opened Sep 11, 2026
epic: AMD GPU (ROCm) backend on Linux via mlxcelverse Open

area:core platform:linux priority:medium status:in-progress type:enhancement

Difficulty 5/5 Over a week Newbie friendliness 25/100

lablup/mlxcel#1801 · Opened Sep 11, 2026
fix(models): stop model loaders from printing progress to stdout Open

area:benchmark area:models priority:low status:ready type:bug

Difficulty 4/5 3-5 days Newbie friendliness 65/100

lablup/mlxcel#1794 · Opened Sep 11, 2026
fix(cache): bound the turbo4 sliding append to visible_len Open

area:core area:inference priority:medium status:ready type:bug

Difficulty 4/5 3-5 days Newbie friendliness 52/100

lablup/mlxcel#1793 · Opened Sep 11, 2026
fix(mlx-cpp): stop casting comparison inputs to bool in compiled kernels Open

area:core priority:medium status:ready type:bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

lablup/mlxcel#1792 · Opened Sep 11, 2026
fix(core): make array_evaluated_bytes fallible so GPU faults don't abort Open

area:core area:inference priority:medium status:ready type:bug

Difficulty 4/5 3-5 days Newbie friendliness 65/100

lablup/mlxcel#1791 · Opened Sep 11, 2026
fix(drafter): validate quantization against SUPPORTED_AFFINE_BITS Open

area:core priority:low status:ready type:bug

Difficulty 4/5 3-5 days Newbie friendliness 68/100

lablup/mlxcel#1790 · Opened Sep 11, 2026
fix(cli): render video content items without image support Open

area:cli area:inference priority:low status:ready type:bug

Difficulty 4/5 3-5 days Newbie friendliness 68/100

lablup/mlxcel#1789 · Opened Sep 11, 2026
fix(server): count expanded media tokens in input_tokens Open

area:inference priority:medium status:ready type:bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

lablup/mlxcel#1788 · Opened Sep 11, 2026
fix(server): harden native-video temp files and resolve allowlist once Open

area:inference priority:medium status:ready type:security

Difficulty 4/5 3-5 days Newbie friendliness 57/100

lablup/mlxcel#1787 · Opened Sep 11, 2026
chore(core): correct the sink attention Used by comment Open

area:core priority:low status:ready type:chore

Difficulty 2/5 1-3 hours Newbie friendliness 90/100

lablup/mlxcel#1786 · Opened Sep 11, 2026
fix(examples): anchor logit_trace chunk 0 with the BOS token Open

area:benchmark priority:low status:ready type:bug

Difficulty 4/5 3-5 days Newbie friendliness 72/100

lablup/mlxcel#1785 · Opened Sep 11, 2026
fix(split-mtp): write the drafter atomically, refuse symlinked outputs Open

area:cli area:surgery priority:low status:ready type:security

Difficulty 4/5 3-5 days Newbie friendliness 45/100

lablup/mlxcel#1784 · Opened Sep 11, 2026
fix(prompt-cache): snapshot bucket sizing is not model-aware for the attention-cache families, so large-context reuse silently never happens Open

area:inference priority:high status:ready type:bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

lablup/mlxcel#1761 · Opened Sep 10, 2026
fix(prompt-cache): a whole-prompt cache hit re-runs the last token on top of a cache that already holds it Open

area:inference priority:medium status:ready type:bug

Difficulty 4/5 3-5 days Newbie friendliness 48/100

lablup/mlxcel#1760 · Opened Sep 10, 2026
fix(tokenizer): non-special added tokens do not encode as single ids on the SentencePiece path Open

area:core priority:medium status:ready type:bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

lablup/mlxcel#1758 · Opened Sep 10, 2026
feat(scheduler): sequence-aware cache trim hook so model-owned families can use padded prefill Open

area:core area:inference priority:medium status:ready type:enhancement

Difficulty 5/5 Over a week Newbie friendliness 38/100

lablup/mlxcel#1755 · Opened Sep 10, 2026
fix(prompt-cache): completion-origin snapshots claim one more token than their caches hold Open

area:core area:inference priority:high status:ready type:bug

Difficulty 4/5 3-5 days Newbie friendliness 55/100

lablup/mlxcel#1754 · 1 comment · Opened Sep 10, 2026
fix(kimi_linear): chunked prefill discards the recurrent state Open

area:inference area:models priority:medium status:ready type:bug

Difficulty 3/5 1-2 days Newbie friendliness 74/100

lablup/mlxcel#1749 · Opened Sep 10, 2026
fix(server): gate media parts on /v1/messages/count_tokens like the other non-generating routes Open

area:inference priority:medium status:ready type:bug

Difficulty 3/5 1-2 days Newbie friendliness 76/100

lablup/mlxcel#1748 · Opened Sep 10, 2026
feat(distributed): Kimi K3 pipeline stage executor and full-model multi-node validation Open

arch:hybrid area:inference area:models modelsize:xlarge modeltype:text priority:low status:blocked type:enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

lablup/mlxcel#1734 · Opened Sep 9, 2026
feat(models): add Arcee AFM-4.5B (arcee, dense ArceeForCausalLM) text model support Open

arch:dense area:models modelsize:small modeltype:text priority:medium status:blocked type:enhancement

Difficulty 5/5 Over a week Newbie friendliness 35/100

lablup/mlxcel#1719 · 1 comment · Opened Sep 9, 2026
perf(qwen_vl): multimodal RoPE leaks f32 into the decode residual Open

area:models modeltype:vlm priority:medium status:review type:performance

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

lablup/mlxcel#1714 · 1 comment · Opened Sep 8, 2026
perf(core): host graph build at decode is serial with device execution and scales with op count Open

arch:hybrid arch:moe area:benchmark area:core area:inference area:models platform:macos priority:high status:ready type:performance

Difficulty 4/5 3-5 days Newbie friendliness 48/100

lablup/mlxcel#1713 · Opened Sep 8, 2026
test(turbo): delegated steel envelope fails intermittently with an identical RMS Open

area:core priority:low status:ready type:test

Difficulty 4/5 3-5 days Newbie friendliness 48/100

lablup/mlxcel#1712 · 2 comments · Opened Sep 8, 2026
docs(embeddings): the detection table omits model_type aliases the loader accepts Open

priority:low status:ready type:docs

Difficulty 1/5 Under an hour Newbie friendliness 95/100

lablup/mlxcel#1700 · Opened Sep 8, 2026
docs(webpage): add a webpage/site README covering the pnpm/uv/zensical build and deploy contract Open

priority:low status:ready type:docs

Difficulty 1/5 1-3 hours Newbie friendliness 86/100

lablup/mlxcel#1701 · Opened Sep 8, 2026

lablup/mlxcel

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