Lumpiasty/llama.cpp
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server: add ctx-per-slot (--kv-unified-per-slot) (#24124)

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* Add ctx-per-slot argument for unifid KV cache

* Swap out ctx fractions for ctx pool slots

* Formatting cleanup

* Remove ctx-pool-slots, make ctx-per-slot an int

* refactor it

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Co-authored-by: Xuan Son Nguyen <son@huggingface.co>
This commit is contained in:
Bartowski
2026-08-27 22:39:14 +02:00
committed by GitHub
co-authored by Xuan Son Nguyen
parent 32176338a6
commit 18443257a3
5 changed files with 59 additions and 9 deletions
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tools/server/README.md
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@@ -163,6 +163,7 @@ For the full list of features, please refer to [server's changelog](https://gith
| -------- | ----------- |
| `-lcs, --lookup-cache-static FNAME` | path to static lookup cache to use for lookup decoding (not updated by generation) |
| `-lcd, --lookup-cache-dynamic FNAME` | path to dynamic lookup cache to use for lookup decoding (updated by generation) |
| `--kv-unified-per-slot N` | context limit per parallel slot (default: unset, behavior unchanged).<br/>when set without -c/--ctx-size, the shared KV pool is sized to n_parallel*N<br/>(env: LLAMA_ARG_KV_UNIFIED_PER_SLOT) |
| `-ctxcp, --ctx-checkpoints, --swa-checkpoints N` | max number of context checkpoints to create per slot (default: 32)[(more info)](https://github.com/ggml-org/llama.cpp/pull/15293)<br/>(env: LLAMA_ARG_CTX_CHECKPOINTS) |
| `-cms, --checkpoint-min-step N` | minimum spacing between context checkpoints in tokens (default: 8192, 0 = no minimum)<br/>(env: LLAMA_ARG_CHECKPOINT_MIN_SPACING_NT) |
| `-cram, --cache-ram N` | set the maximum cache size in MiB (default: 8192, -1 - no limit, 0 - disable)[(more info)](https://github.com/ggml-org/llama.cpp/pull/16391)<br/>(env: LLAMA_ARG_CACHE_RAM) |