Commit Graph

668 Commits

Author SHA1 Message Date
Georgi Gerganov f3beb22b17
sampling : handle n_probs case 2025-12-08 21:30:10 +02:00
Georgi Gerganov 6d38db5dfe
Merge branch 'master' into HEAD 2025-12-08 17:55:24 +02:00
hksdpc255 636fc17a37
Fix Kimi-K2 tool-call parsing issues (#17376)
* Fix kimi-k2 parsing

* fix template & add more tests for kimi-k2

* Another fix for Kimi-K2 chat template.

* enable allow_toolcall_in_think for Kimi-K2

* Refine key-value separator and value end format

* Enable tool call in think for kimi-k2

* allow_toolcall_in_think is now tested with Kimi-K2

* Remove outdated TODO comment in XML tool call parser

Removed TODO comment about untested tool call feature.

* Rename function from "utf8_truncate_safe" to "utf8_truncate_safe_len"
2025-12-08 14:32:04 +01:00
Georgi Gerganov 8ef5f900db
cont : fixes 2025-12-07 15:45:00 +02:00
Sigbjørn Skjæret 22577583a3
common : change --color to accept on/off/auto, default to auto (#17827) 2025-12-07 03:43:50 +01:00
Georgi Gerganov 30742a6ff5
sampling : expand support (wip) 2025-12-06 16:51:56 +02:00
Oliver Simons 7668999518 Merge branch 'master' into gpu-sampling
Let's keep `master's` cumsum implementation for it's likely better AMD
perf and add back pure-CUB-implementation in follow-up commit
2025-12-05 14:41:08 +01:00
Georgi Gerganov abc19635a3
cont : keep backend sampling disabled for now 2025-12-04 17:42:09 +02:00
Georgi Gerganov 6958d41366
sampling : check backend support during init 2025-12-04 17:29:08 +02:00
Daniel Bevenius bd4ef13476
common : skip model validation when --help is requested (#17755)
This commit skips the model validation check when the user specifies the
--help option.

The motivation for this is that currently and error is thrown before the
--help could be processed. Now skips validation if params.usage is set,
allowing help to display without requiring --model.

Resolves: https://github.com/ggml-org/llama.cpp/issues/17754
2025-12-04 13:36:50 +01:00
Adrien Gallouët 83c1171529
common: use native MultiByteToWideChar (#17738)
`std::codecvt_utf8<wchar_t>` is deprecated and produces warnings:

    common/common.cpp:792:31: warning: 'codecvt_utf8<wchar_t>' is deprecated [-Wdeprecated-declarations]
      792 |     std::wstring_convert<std::codecvt_utf8<wchar_t>> converter;
          |

Signed-off-by: Adrien Gallouët <angt@huggingface.co>
2025-12-04 12:06:49 +02:00
Daniel Bevenius c0b182f4d6
Merge remote-tracking branch 'upstream/master' into backend-sampling 2025-12-04 08:17:50 +01:00
Adrien Gallouët ef75a89fdb
build : move _WIN32_WINNT definition to headers (#17736)
Previously, cmake was forcing `_WIN32_WINNT=0x0A00` for MinGW builds,
This caused "macro redefined" warnings with toolchains that define the version.

This also removes the `GGML_WIN_VER` variable as it is no longer needed.

Signed-off-by: Adrien Gallouët <angt@huggingface.co>
2025-12-04 07:04:02 +01:00
Georgi Gerganov 190c4838bd
chat : reserve memory in compute_diffs and improve naming (#17729) 2025-12-03 17:22:10 +02:00
Aldehir Rojas 0a8026e768
common : introduce composable PEG parser combinators for chat parsing (#17136)
* common : implement parser combinators to simplify chat parsing

* add virtual destructor to parser_base

* fix memory leak from circular references of rules

* implement gbnf grammar building

* remove unused private variable

* create a base visitor and implement id assignment as a visitor

* fix const ref for grammar builder

* clean up types, friend classes, and class declarations

* remove builder usage from until_parser

* Use a counter class to help assign rule ids

* cache everything

* add short description for each parser

* create a type for the root parser

* implement repetition parser

* Make optional, one_or_more, and zero_or_more subclasses of repetition

* improve context constructor

* improve until parsing and add benchmarks

* remove cached() pattern, cache in parser_base with specialized parsing functions for each parser

* improve json parsing performance to better match legacy parsing

* fix const auto * it for windows

* move id assignment to classes instead of using a visitor

* create named rules in the command r7b example

* use '.' for any in GBNF

* fix parens around choices in gbnf grammar

* add convenience operators to turn strings to literals

* add free-form operators for const char * to simplify defining literals

* simplify test case parser

* implement semantic actions

* remove groups in favor of actions and a scratchpad

* add built in actions for common operations

* add actions to command r7b example

* use std::default_searcher for platforms that don't have bm

* improve parser_type handling and add cast helper

* add partial result type to better control when to run actions

* fix bug in until()

* run actions on partial results by default

* use common_chat_msg for result

* add qwen3 example wip

* trash partial idea and simplify

* move action arguments to a struct

* implement aho-corasick matcher for until_parser and to build exclusion grammars

* use std::string for input, since std::string_view is incompatible with std::regex

* Refactor tests

* improve qwen3 example

* implement sax-style parsing and refactor

* fix json string in test

* rename classes to use common_chat_ prefix

* remove is_ suffix from functions

* rename from id_counter to just counter

* Final refactored tests

* Fix executable name and editorconfig-checker

* Third time's the charm...

* add trigger parser to begin lazy grammar rule generation

* working lazy grammar

* refactor json rules now that we check for reachability

* reduce pointer usage

* print out grammars in example

* rename to chat-peg-parser* and common_chat_peg_parser*

* Revert unrelated changes

* New macros for CMakeLists to enable multi-file compilations

* starting unicode support

* add unicode support to char_parser

* use unparsed args as additional sources

* Refactor tests to new harness

* Fix CMakeLists

* fix rate calculation

* add unicode tests

* fix trailing whitespace and line endings

skip-checks: true

* Helpers + rewrite qwen3 with helpers

* Fix whitespace

* extract unicode functions to separate file

* refactor parse unicode function

* fix compiler error

* improve construction of sequence/choice parsers

* be less clever

* add make_parser helper function

* expand usage of make_parser, alias common_chat_msg_peg_parser_builder to builder in source

* lower bench iterations

* add unicode support to until_parser

* add unicode support to json_string_parser

* clean up unicode tests

* reduce unicode details to match src/unicode.cpp

* simplify even further

* remove unused functions

* fix type

* reformat char class parsing

* clean up json string parser

* clean up + fix diagnostics

* reorder includes

* compact builder functions

* replace action_parser with capture_parser, rename env to semantics

* rename env to semantics

* clean up common_chat_parse_context

* move type() to below constant

* use default constructor for common_chat_peg_parser

* make all operators functions for consistency

* fix compilation errors in test-optional.cpp

* simplify result values

* rename json_string_unquoted to json_string_content

* Move helper to separate class, add separate explicit and helper classes

* Whitespace

* Change + to append()

* Reformat

* Add extra helpers, tests and Minimax example

* Add some extra optional debugging prints + real example of how to use them

* fix bug in repetitions when min_count = 0 reports failures

* dump rule in debug

* fix token accumulation and assert parsing never fails

* indent debug by depth

* use LOG_* in tests so logs sync up with test logs

* - Add selective testing
- Refactor all messaging to use LOG_ERR
- Fix lack of argument / tool name capturing
- Temporary fix for double event capture

* refactor rule() and introduce ref()

* clean up visitor

* clean up indirection in root parser w.r.t rules

* store shared ptr directly in parser classes

* replace aho-corasick automation with a simple trie

* Reset prev for qwen3 helper example variant

* refactor to use value semantics with std::variant/std::visit

* simplify trie_matcher result

* fix linting issues

* add annotations to rules

* revert test workaround

* implement serializing the parser

* remove redundant parsers

* remove tests

* gbnf generation fixes

* remove LOG_* use in tests

* update gbnf tests to test entire grammar

* clean up gbnf generation and fix a few bugs

* fix typo in test output

* remove implicit conversion rules

* improve test output

* rename trie_matcher to trie

* simplify trie to just know if a node is the end of a word

* remove common_chat_ prefix and ensure a common_peg_ prefix to all types

* rename chat-peg-parser -> peg-parser

* promote chat-peg-parser-helper to chat-peg-parser

* checkpoint

* use a static_assert to ensure we handle every branch

* inline trivial peg parser builders

* use json strings for now

* implement basic and native chat peg parser builders/extractors

* resolve refs to their rules

* remove packrat caching (for now)

* update tests

* compare parsers with incremental input

* benchmark both complete and incremental parsing

* add raw string generation from json schema

* add support for string schemas in gbnf generation

* fix qwen example to include \n

* tidy up example

* rename extractor to mapper

* rename ast_arena to ast

* place basic tests into one

* use gbnf_format_literal from json-schema-to-grammar

* integrate parser with common/chat and server

* clean up schema and serialization

* add json-schema raw string tests

* clean up json creation and remove capture parser

* trim spaces from reasoning and content

* clean up redundant rules and comments

* rename input_is_complete to is_partial to match rest of project

* simplify json rules

* remove extraneous file

* remove comment

* implement += and |= operators

* add comments to qwen3 implementation

* reorder arguments to common_chat_peg_parse

* remove commented outdated tests

* add explicit copy constructor

* fix operators and constness

* wip: update test-chat for qwen3-coder

* bring json parser closer to json-schema-to-grammar rules

* trim trailing space for most things

* fix qwen3 coder rules w.r.t. trailing spaces

* group rules

* do not trim trailing space from string args

* tweak spacing of qwen3 grammar

* update qwen3-coder tests

* qwen3-coder small fixes

* place parser in common_chat_syntax to simplify invocation

* use std::set to collect rules to keep order predictable for tests

* initialize parser to make certain platforms happy

* revert back to std::unordered_set, sort rule names at the end instead

* uncomment rest of chat tests

* define explicit default constructor

* improve arena init and server integration

* fix chat test

* add json_member()

* add a comprehensive native example

* clean up example qwen test and add response_format example to native test

* make build_peg_parser accept std::function instead of template

* change peg parser parameters into const ref

* push tool call on tool open for constructed parser

* add parsing documentation

* clean up some comments

* add json schema support to qwen3-coder

* add id initializer in tests

* remove grammar debug line from qwen3-coder

* refactor qwen3-coder to use sequence over operators

* only call common_chat_peg_parse if appropriate format

* simplify qwen3-coder space handling

* revert qwen3-coder implementation

* revert json-schema-to-grammar changes

* remove unnecessary forward declaration

* small adjustment to until_parser

* rename C/C++ files to use dashes

* codeowners : add aldehir to peg-parser and related files

---------

Co-authored-by: Piotr Wilkin <piotr.wilkin@syndatis.com>
2025-12-03 12:45:32 +02:00
Reese Levine 7ca5991d2b
ggml webgpu: add support for emscripten builds (#17184)
* Faster tensors (#8)

Add fast matrix and matrix/vector multiplication.

* Use map for shader replacements instead of pair of strings

* Wasm (#9)

* webgpu : fix build on emscripten

* more debugging stuff

* test-backend-ops: force single thread on wasm

* fix single-thread case for init_tensor_uniform

* use jspi

* add pthread

* test: remember to set n_thread for cpu backend

* Add buffer label and enable dawn-specific toggles to turn off some checks

* Intermediate state

* Fast working f16/f32 vec4

* Working float fast mul mat

* Clean up naming of mul_mat to match logical model, start work on q mul_mat

* Setup for subgroup matrix mat mul

* Basic working subgroup matrix

* Working subgroup matrix tiling

* Handle weirder sg matrix sizes (but still % sg matrix size)

* Working start to gemv

* working f16 accumulation with shared memory staging

* Print out available subgroup matrix configurations

* Vectorize dst stores for sg matrix shader

* Gemv working scalar

* Minor set_rows optimization (#4)

* updated optimization, fixed errors

* non vectorized version now dispatches one thread per element

* Simplify

* Change logic for set_rows pipelines

---------

Co-authored-by: Neha Abbas <nehaabbas@macbookpro.lan>
Co-authored-by: Neha Abbas <nehaabbas@ReeseLevines-MacBook-Pro.local>
Co-authored-by: Reese Levine <reeselevine1@gmail.com>

* Comment on dawn toggles

* Working subgroup matrix code for (semi)generic sizes

* Remove some comments

* Cleanup code

* Update dawn version and move to portable subgroup size

* Try to fix new dawn release

* Update subgroup size comment

* Only check for subgroup matrix configs if they are supported

* Add toggles for subgroup matrix/f16 support on nvidia+vulkan

* Make row/col naming consistent

* Refactor shared memory loading

* Move sg matrix stores to correct file

* Working q4_0

* Formatting

* Work with emscripten builds

* Fix test-backend-ops emscripten for f16/quantized types

* Use emscripten memory64 to support get_memory

* Add build flags and try ci

---------

Co-authored-by: Xuan Son Nguyen <son@huggingface.co>

* Remove extra whitespace

* Move wasm single-thread logic out of test-backend-ops for cpu backend

* Disable multiple threads for emscripten single-thread builds in ggml_graph_plan

* Fix .gitignore

* Add memory64 option and remove unneeded macros for setting threads to 1

---------

Co-authored-by: Xuan Son Nguyen <son@huggingface.co>
2025-12-03 10:25:34 +01:00
Xuan-Son Nguyen 13628d8bdb
server: add --media-path for local media files (#17697)
* server: add --media-path for local media files

* remove unused fn
2025-12-02 22:49:20 +01:00
Xuan-Son Nguyen a96283adc4
mtmd: fix --no-warmup (#17695) 2025-12-02 22:48:08 +01:00
Chad Voegele c4357dcc35
Server: Change Invalid Schema from Server Error (500) to User Error (400) (#17572)
* Make invalid schema a user error (400)

* Move invalid_argument exception handler to ex_wrapper

* Fix test

* Simplify test back to original pattern
2025-12-02 17:33:50 +01:00
Daniel Bevenius 3e9a258c14 Merge remote-tracking branch 'upstream/master' into gpu-sampling 2025-12-02 09:26:04 +01:00
Xuan-Son Nguyen ec18edfcba
server: introduce API for serving / loading / unloading multiple models (#17470)
* server: add model management and proxy

* fix compile error

* does this fix windows?

* fix windows build

* use subprocess.h, better logging

* add test

* fix windows

* feat: Model/Router server architecture WIP

* more stable

* fix unsafe pointer

* also allow terminate loading model

* add is_active()

* refactor: Architecture improvements

* tmp apply upstream fix

* address most problems

* address thread safety issue

* address review comment

* add docs (first version)

* address review comment

* feat: Improved UX for model information, modality interactions etc

* chore: update webui build output

* refactor: Use only the message data `model` property for displaying model used info

* chore: update webui build output

* add --models-dir param

* feat: New Model Selection UX WIP

* chore: update webui build output

* feat: Add auto-mic setting

* feat: Attachments UX improvements

* implement LRU

* remove default model path

* better --models-dir

* add env for args

* address review comments

* fix compile

* refactor: Chat Form Submit component

* ad endpoint docs

* Merge remote-tracking branch 'webui/allozaur/server_model_management_v1_2' into xsn/server_model_maagement_v1_2

Co-authored-by: Aleksander <aleksander.grygier@gmail.com>

* feat: Add copy to clipboard to model name in model info dialog

* feat: Model unavailable UI state for model selector

* feat: Chat Form Actions UI logic improvements

* feat: Auto-select model from last assistant response

* chore: update webui build output

* expose args and exit_code in API

* add note

* support extra_args on loading model

* allow reusing args if auto_load

* typo docs

* oai-compat /models endpoint

* cleaner

* address review comments

* feat: Use `model` property for displaying the `repo/model-name` naming format

* refactor: Attachments data

* chore: update webui build output

* refactor: Enum imports

* feat: Improve Model Selector responsiveness

* chore: update webui build output

* refactor: Cleanup

* refactor: Cleanup

* refactor: Formatters

* chore: update webui build output

* refactor: Copy To Clipboard Icon component

* chore: update webui build output

* refactor: Cleanup

* chore: update webui build output

* refactor: UI badges

* chore: update webui build output

* refactor: Cleanup

* refactor: Cleanup

* chore: update webui build output

* add --models-allow-extra-args for security

* nits

* add stdin_file

* fix merge

* fix: Retrieve lost setting after resolving merge conflict

* refactor: DatabaseStore -> DatabaseService

* refactor: Database, Conversations & Chat services + stores architecture improvements (WIP)

* refactor: Remove redundant settings

* refactor: Multi-model business logic WIP

* chore: update webui build output

* feat: Switching models logic for ChatForm or when regenerating messges + modality detection logic

* chore: update webui build output

* fix: Add `untrack` inside chat processing info data logic to prevent infinite effect

* fix: Regenerate

* feat: Remove redundant settigns + rearrange

* fix: Audio attachments

* refactor: Icons

* chore: update webui build output

* feat: Model management and selection features WIP

* chore: update webui build output

* refactor: Improve server properties management

* refactor: Icons

* chore: update webui build output

* feat: Improve model loading/unloading status updates

* chore: update webui build output

* refactor: Improve API header management via utility functions

* remove support for extra args

* set hf_repo/docker_repo as model alias when posible

* refactor: Remove ConversationsService

* refactor: Chat requests abort handling

* refactor: Server store

* tmp webui build

* refactor: Model modality handling

* chore: update webui build output

* refactor: Processing state reactivity

* fix: UI

* refactor: Services/Stores syntax + logic improvements

Refactors components to access stores directly instead of using exported getter functions.

This change centralizes store access and logic, simplifying component code and improving maintainability by reducing the number of exported functions and promoting direct store interaction.

Removes exported getter functions from `chat.svelte.ts`, `conversations.svelte.ts`, `models.svelte.ts` and `settings.svelte.ts`.

* refactor: Architecture cleanup

* feat: Improve statistic badges

* feat: Condition available models based on modality + better model loading strategy & UX

* docs: Architecture documentation

* feat: Update logic for PDF as Image

* add TODO for http client

* refactor: Enhance model info and attachment handling

* chore: update webui build output

* refactor: Components naming

* chore: update webui build output

* refactor: Cleanup

* refactor: DRY `getAttachmentDisplayItems` function + fix UI

* chore: update webui build output

* fix: Modality detection improvement for text-based PDF attachments

* refactor: Cleanup

* docs: Add info comment

* refactor: Cleanup

* re

* refactor: Cleanup

* refactor: Cleanup

* feat: Attachment logic & UI improvements

* refactor: Constants

* feat: Improve UI sidebar background color

* chore: update webui build output

* refactor: Utils imports + move types to `app.d.ts`

* test: Fix Storybook mocks

* chore: update webui build output

* test: Update Chat Form UI tests

* refactor: Tooltip Provider from core layout

* refactor: Tests to separate location

* decouple server_models from server_routes

* test: Move demo test  to tests/server

* refactor: Remove redundant method

* chore: update webui build output

* also route anthropic endpoints

* fix duplicated arg

* fix invalid ptr to shutdown_handler

* server : minor

* rm unused fn

* add ?autoload=true|false query param

* refactor: Remove redundant code

* docs: Update README documentations + architecture & data flow diagrams

* fix: Disable autoload on calling server props for the model

* chore: update webui build output

* fix ubuntu build

* fix: Model status reactivity

* fix: Modality detection for MODEL mode

* chore: update webui build output

---------

Co-authored-by: Aleksander Grygier <aleksander.grygier@gmail.com>
Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
2025-12-01 19:41:04 +01:00
Georgi Gerganov 4032ce2378
common : simplify sampler chain initialization 2025-12-01 17:11:11 +02:00
Xuan-Son Nguyen 7733409734
common: improve verbosity level definitions (#17630)
* common: improve verbosity level definitions

* string_format

* update autogen docs
2025-12-01 14:38:13 +01:00
Georgi Gerganov 16451d6bc3
Merge branch 'master' into HEAD 2025-12-01 14:47:50 +02:00
Adrien Gallouët beb1f0c503
common : throttle download progress output to reduce IO flush (#17427)
This change limits progress updates to approximately every 0.1% of the
file size to minimize stdio overhead.

Also fixes compiler warnings regarding __func__ in lambdas.

Signed-off-by: Adrien Gallouët <angt@huggingface.co>
2025-11-30 14:22:44 +02:00
Aaron Teo def5404f26
common: add LLAMA_LOG_FILE env var (#17609)
Signed-off-by: Aaron Teo <aaron.teo1@ibm.com>
2025-11-30 12:12:32 +01:00
Georgi Gerganov 80742cbaeb
cont : naming 2025-11-30 11:24:30 +02:00
ddh0 5a6241feb0
common: update env var name (#17588) 2025-11-30 09:59:25 +08:00
Georgi Gerganov c187003d81
llama : naming 2025-11-30 00:05:47 +02:00
Georgi Gerganov d8d98bb4bb
Merge branch 'master' into HEAD 2025-11-29 22:38:44 +02:00
Igor Smirnov 0874693b44
common : fix json schema with '\' in literals (#17307)
* Fix json schema with '\' in literals

* Add "literal string with escapes" test
2025-11-29 17:06:32 +01:00
Georgi Gerganov fbc8f49f3c
llama : simplify 2025-11-29 17:01:00 +02:00
DAN™ 03914c7ef8
common : move all common_chat_parse_* to chat-parser.cpp. (#17481) 2025-11-28 19:29:36 +01:00
Oliver Simons 333da805fe Add initial version for top-p sampling
As we only support static graphs for the time and we don't know the size
of the output of top-p, we have to do value-scaling same as for min-p
operator.

Further improvements can be applied to the unit-test (i.e. check for
equivalence of top_p happening on backend with top_p happening on cpu)
and also by constructing candidates and sorting those as opposed to
reversing the sort of the logits (this would be arange +
get_rows instead of argsort + get_rows)
2025-11-28 15:16:20 +01:00
Georgi Gerganov 117e2079a9
refactor : simplify and improve memory management 2025-11-28 16:09:42 +02:00
Daniel Bevenius e9d070980b
sampling : remove backend sampling chain from common_sampler
This commit removes the backend sampling chain from the common_sampler
structure and related functions.

The motivation for this change is that the backend samplers are not
currently set on the context, and if they are they would cause the
a graph reallocation to occur. Instead, the intialization is handled
like it currently is by llama_context's constructor.
2025-11-27 15:28:37 +01:00
Daniel Bevenius 51107a0b63
sampling : fix temperature check to allow zero temperature
This commit modifies the temperature sampling check to allow a
temperature value of zero. Previously, the check only allowed
positive temperature values, which excluded the valid case of
zero temperature.

The motivation for this is to enable a zero temperature setting which is
also currently causing the following test to fail:
```console
(venv) $ cd tools/server/tests
(venv) $ ./tests.sh unit/test_basic.py::test_load_split_model
```
2025-11-27 09:18:43 +01:00
Xuan-Son Nguyen e509411cf1
server: enable jinja by default, update docs (#17524)
* server: enable jinja by default, update docs

* fix tests
2025-11-27 01:02:50 +01:00
Daniel Bevenius 0f7805f32a
common : add get_active_samplers function to check enabled samplers
This commit adds a function to check if a sampler is actually enabled,
meaning that it does not have values that disables its effect. This is
then used by the backend samplers initialization to avoid considering
samplers that are not enabled when determining the split point between
them.

The motivation for this is that this allows the default sampler chain
for `--samplers` to be used and any sampler that is not enabled will not
cause the backend samplers to be skipped.
For example, before this change if the penalties sampler was included in
the samplers list but had default values that disable it, it would cause
the backend samplers to be skipped entirely.

This commit also contains some refactoring to remove some code
duplication.
2025-11-26 15:46:33 +01:00
Daniel Bevenius b45d504e70
sampling : add min-p backend sampler 2025-11-26 10:50:58 +01:00
Daniel Bevenius 9e5e09d087
sampling : remove backend-dist option (wip)
This commit removes the `--backend-dist` option and instead uses the
configured --samplers chain to determine which samplers run on the
backend.

Backend sampling is still enabled using With `--backend_sampling`, and
the sampler chain, either explictly specified using `--samplers` or the
default, is automatically analyzed to determine which samplers can run
on the backend. The system finds the longest contiguous chain of
backend supported samplers from the start of the sampler sequence.
For example:

* If the chain is `top-k -> temperature -> top-p`, and both `top-k` and
  `temperature` are backend-supported but `top-p` is not, then `top-k`
  and `temperature` will run on the backend, while `top-p` and
  subsequent samplers run on the CPU.

* If all configured samplers are supported, the final distribution
  sampling will also happen on the backend, transferring only the
  sampled token IDs back to the host.

* If the sampler chain starts with an unsupported sampler (e.g.,
  `penalties`), all sampling runs on the CPU. Note that this is
  currently the case with the default sampler so to use backend sampling
  it is required to specify a sampler chain. See below for an example.

The following shows how llama-cli can be run with backend sampling:
```console
$ llama-cli -m models/Qwen2.5-VL-3B-Instruct-Q8_0.gguf \
    --prompt 'What is the capital of Sweden?' \
    -n 20 \
    -no-cnv \
    --verbose-prompt \
    -ngl 40 \
    --backend-sampling \
    --samplers 'top_k;temperature'
```
In this case the all sampling will happen on the backend since both
`top_k` and `temperature` are supported backend samplers.

To enable a partial backend sampling (hybrid sampling), for example
running `top_k` and `temperature` on the backend and `typ_p` on the CPU
the following sampler chain could be specified:
```console
$ llama-cli -m models/Qwen2.5-VL-3B-Instruct-Q8_0.gguf \
    --prompt 'What is the capital of Sweden?' \
    -n 20 \
    -no-cnv \
    --verbose-prompt \
    -ngl 40 \
    --backend-sampling \
    --samplers 'top_k;temperature;top_p'
```

If this looks good then I'll follow up with updates the llama-cli and
llama-server documentation to reflect these changes.
2025-11-25 14:01:23 +01:00
Daniel Bevenius 2b4c7927ee
Merge remote-tracking branch 'upstream/master' into backend-sampling 2025-11-25 06:10:33 +01:00
Aaron Teo 877566d512
llama: introduce support for model-embedded sampling parameters (#17120) 2025-11-25 09:56:07 +08:00
Georgi Gerganov b26c7069fb
common : initialize backend samplers 2025-11-24 20:25:44 +02:00
Georgi Gerganov e2d4f0829c
llama-cli : fix dangling reference to sampler config 2025-11-24 19:51:32 +02:00
Daniel Bevenius d88ba1813c
common : remove build-info.cpp from commit [no ci]
This file was generated during the build process and should not be
included in previous commits.
2025-11-24 09:31:14 +01:00
Daniel Bevenius 79b8cf2a75
Merge remote-tracking branch 'upstream/master' into backend-sampling 2025-11-21 16:38:32 +01:00
Daniel Bevenius 9b2439347f
common, tools : refactor model loading to support backend samplers
This commit refactors the model loading process in common/common.cpp
to enable backend sampler to be configure prior to the llama_context
creation.

The motivation for this change is that just being able to set/reset the
backend samplers after the llama_context has been created will cause a
resize to occur in llama_context::output_reserve which we want to avoid.
2025-11-21 14:26:52 +01:00
Daniel Bevenius 61ffe41dc1
sampling : use pinned memory for backend sampling buffers 2025-11-21 14:02:16 +01:00
Daniel Bevenius c1625620f6
sampling : return early if backend sampling is disabled 2025-11-21 08:47:31 +01:00