[PR #11929] [MERGED] gpt-oss: disable quantized kv cache #44910

New Issue

GiteaMirror · 2026-04-25T00:35:14-05:00

GiteaMirror commented

2026-04-25 00:35:14 -05:00

📋 Pull Request Information

Original PR: https://github.com/ollama/ollama/pull/11929
Author: @mxyng
Created: 8/15/2025
Status: ✅ Merged
Merged: 8/15/2025
Merged by: @mxyng

Base: main ← Head: mxyng/gpt-oss-cache-types

📝 Commits (1)

2d31289 gpt-oss: disable quantized kv cache

📊 Changes

1 file changed (+5 additions, -0 deletions)

View changed files

📝 fs/ggml/ggml.go (+5 -0)

📄 Description

quantized kv cache for gpt-oss is much slower than with regular f16 cache type due to the model using attention with sinks. this isn't supported on backends such as cuda which forces it onto the cpu dramatically reducing performance

_{🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.}

## 📋 Pull Request Information **Original PR:** https://github.com/ollama/ollama/pull/11929 **Author:** [@mxyng](https://github.com/mxyng) **Created:** 8/15/2025 **Status:** ✅ Merged **Merged:** 8/15/2025 **Merged by:** [@mxyng](https://github.com/mxyng) **Base:** `main` ← **Head:** `mxyng/gpt-oss-cache-types` --- ### 📝 Commits (1) - [`2d31289`](https://github.com/ollama/ollama/commit/2d31289d4450628fb51ea7b6878406a1b37c69e1) gpt-oss: disable quantized kv cache ### 📊 Changes **1 file changed** (+5 additions, -0 deletions) <details> <summary>View changed files</summary> 📝 `fs/ggml/ggml.go` (+5 -0) </details> ### 📄 Description quantized kv cache for gpt-oss is much slower than with regular f16 cache type due to the model using attention with sinks. this isn't supported on backends such as cuda which forces it onto the cpu dramatically reducing performance --- <sub>🔄 This issue represents a GitHub Pull Request. It cannot be merged through Gitea due to API limitations.</sub>

GiteaMirror added the pull-request label 2026-04-25 00:35:14 -05:00

GiteaMirror closed this issue

2026-04-25 00:35:16 -05:00

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Reference: github-starred/ollama#44910