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The Wire · Showcase

OLLAMA REWRITES TUI PERFORMANCE LAYER AS LLAMA.CPP ARMS MEMORY TIERS

By RepoJournal · Filed · About Local LLMs

Ollama shipped three performance wins for the terminal interface while llama.cpp redefines mlock semantics and vLLM closes quant bugs across ROCm and transformer backends.

Ollama's chat TUI got a performance overhaul across three commits. The `/prompt` scrolling cache [1] now snapshots formatted lines at terminal width instead of rebuilding on every frame, eliminating visible lag for large prompts. File mention completion [2] now accepts highlighted references with Enter, keeping cursor position and text flow intact, fixing a root cause where Enter only checked slash completions. The markdown table parser [3] tightened its separator logic to require hyphens in each cell, keeping pipe-delimited prose as text instead of mangling it into tables. Over in llama.cpp, memory management got clearer semantics: the new `-lm mlock` flag [4] specifies memory-lock without mmap, while `-lm mmap+mlock` pairs them together, fixing a call path that was lost during the #20834 refactor. vLLM closed critical bugs blocking inference: per-channel FP8 dequant for GLM-5.2 on ROCm [5], MQA tensor-parallel replication [6], and non-gated MoE support for Nemotron models [7]. Meanwhile, sglang added standalone Qwen3.5 text-only model support [8] and cut spec-v2 host overhead in hybrid-linear MTP decode [9].

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Action items

References

  1. [1] Improve /prompt rendering performance ↗ ollama/ollama
  2. [2] cmd/tui: accept file mentions with Enter in the agent TUI ↗ ollama/ollama
  3. [3] cmd/tui: keep pipe-delimited prose out of tables ↗ ollama/ollama
  4. [4] arg: add `-lm mlock` where it mlocks but doesnt mmap ↗ ggml-org/llama.cpp
  5. [5] [ROCm] [BugFix] Fix Quark GLM-5.2 Checkpoint inference: indexer wk per-channel FP8 dequant + missing sparse-MLA metadata fields ↗ vllm-project/vllm
  6. [6] Fix MQA with tensor parallelism on transformers modeling backend ↗ vllm-project/vllm
  7. [7] Fix Humming non-gated MoE ↗ vllm-project/vllm
  8. [8] [Model] Support standalone text-only Qwen3.5 checkpoints ↗ sgl-project/sglang
  9. [9] [MTP] Cut spec-v2 host-seam overhead in hybrid-linear MTP decode ↗ sgl-project/sglang

Quick answers

What shipped in Local LLMs on July 28, 2026?
Ollama shipped three performance wins for the terminal interface while llama.cpp redefines mlock semantics and vLLM closes quant bugs across ROCm and transformer backends. In total, 93 commits, 93 pull requests, and 10 releases landed.
Who contributed to Local LLMs on July 28, 2026?
16 developers shipped this update, including ParthSareen, dhiltgen, Aaron Teo, Georgi Gerganov, zql, shalinib-ibm, ronensc, and afriedri, and 8 more.
What were the notable Local LLMs updates?
Improve /prompt rendering performance, cmd/tui: accept file mentions with Enter in the agent TUI, and cmd/tui: keep pipe-delimited prose out of tables.

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