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[PR #10816] Add discover for Intel GPU and support OneApi SYCL #13375

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opened 2026-04-13 00:25:20 -05:00 by GiteaMirror · 0 comments
GiteaMirror commented 2026-04-13 00:25:20 -05:00
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Original Pull Request: https://github.com/ollama/ollama/pull/10816

State: closed
Merged: No

I write a test base ollama/main branch, it use SYCL to discover Intel-GPU device instead of level-zero lib. it can get GPU memery size for ollama.

Can it be integrated into Ollama?

For Intel OneApi developer

This document recode process of merge ggml-sycl from llama.cpp. to support Intel-Gpu.

Only tested in windows and intel integrated Graphics Card.

A portable package in https://github.com/chnxq/ollama/releases

develope config

Pre-request

Install Intel-OneApi: from OneApiBaseToolkit

Other ref: SYCL document for detail.

(default install in C:\Program Files (x86)\Intel\oneAPI) for next example.

Compile the CPU & GPU dynamic libraries

on windows powershell,establish environmental variables:

cmd.exe "/K" '"C:\Program Files (x86)\Intel\oneAPI\setvars.bat" && powershell'

build libraries:
on ollama root directory:

cmake -B build -G "Ninja" -DGGML_SYCL=ON -DGGML_SYCL_TARGET=INTEL -DGGML_CPU_ALL_VARIANTS=ON -DGGML_BACKEND_DL=ON -DCMAKE_C_COMPILER=icx -DCMAKE_CXX_COMPILER=icx -DCMAKE_BUILD_TYPE=Release

cmake --build build --config Release -j

build go src:

go build -o ollama.exe

Run

on ollama root directory

cmd.exe "/K" '"C:\Program Files (x86)\Intel\oneAPI\setvars.bat" && powershell'

set OLLAMA_INTEL_GPU=true
set OLLAMA_INTEL_IF_TYPE=SYCL
set OLLAMA_NUM_GPU=999
set SYCL_CACHE_PERSISTENT=1
set OLLAMA_LIBRARY_PATH=./build/lib/ollama
# run ollama server
.\ollama.exe serve

or use shell ollama-intel-gpu.bat:

set OLLAMA_INTEL_GPU=true
set OLLAMA_INTEL_IF_TYPE=SYCL
set OLLAMA_NUM_GPU=64
set SYCL_CACHE_PERSISTENT=1
set OLLAMA_LIBRARY_PATH=./build/lib/ollama
set ONEAPI_ROOT=C:\Program Files (x86)\Intel\oneAPI
set PATH=%PATH%;%ONEAPI_ROOT%\2025.1\bin;./build/lib/ollama;

.\ollama.exe serve

note:

  1. set OLLAMA_NUM_GPU=xxx
    xxx: It needs to be manually set. According to the number of model layers that the video memory can load.for example my T140 has 16G shared video memory,i set it to 64.
  2. Next 2 env is necessary if use sycl for discover intel gpu:
    set OLLAMA_INTEL_GPU=true
    set OLLAMA_INTEL_IF_TYPE=SYCL (env OLLAMA_INTEL_IF_TYPE is used in go and c code of ollama and llama.cpp,same name as build param)
  3. When use pure CPU inference,a known bug need to delete ggml_sycl library temporay.
# run ollama test client 1
.\ollama.exe run deepseek-r1:1.5b --verbose

# run ollama test client 2
.\ollama.exe run qwen3:4b-fp16 --verbose

# run ollama test client 3
.\ollama.exe run gemma3:12b --verbose
**Original Pull Request:** https://github.com/ollama/ollama/pull/10816 **State:** closed **Merged:** No --- I write a test base ollama/main branch, it use SYCL to discover Intel-GPU device instead of level-zero lib. it can get GPU memery size for ollama. Can it be integrated into Ollama? # For Intel OneApi developer This document recode process of merge ggml-sycl from [llama.cpp](https://github.com/ggml-org/llama.cpp). to support Intel-Gpu. Only tested in windows and intel integrated Graphics Card. A portable package in https://github.com/chnxq/ollama/releases # `develope config` ## Pre-request Install Intel-OneApi: from [OneApiBaseToolkit](https://www.intel.com/content/www/us/en/developer/articles/system-requirements/oneapi-base-toolkit/2025.html#inpage-nav-1-1) Other ref: [SYCL](https://github.com/ggml-org/llama.cpp/blob/master/docs/backend/SYCL.md) document for detail. (default install in C:\Program Files (x86)\Intel\oneAPI\) for next example. ## Compile the CPU & GPU dynamic libraries on windows powershell,establish environmental variables: ```shell cmd.exe "/K" '"C:\Program Files (x86)\Intel\oneAPI\setvars.bat" && powershell' ``` build libraries: on ollama root directory: ```shell cmake -B build -G "Ninja" -DGGML_SYCL=ON -DGGML_SYCL_TARGET=INTEL -DGGML_CPU_ALL_VARIANTS=ON -DGGML_BACKEND_DL=ON -DCMAKE_C_COMPILER=icx -DCMAKE_CXX_COMPILER=icx -DCMAKE_BUILD_TYPE=Release ``` ```shell cmake --build build --config Release -j ``` build go src: ```shell go build -o ollama.exe ``` ## Run on ollama root directory ```shell cmd.exe "/K" '"C:\Program Files (x86)\Intel\oneAPI\setvars.bat" && powershell' set OLLAMA_INTEL_GPU=true set OLLAMA_INTEL_IF_TYPE=SYCL set OLLAMA_NUM_GPU=999 set SYCL_CACHE_PERSISTENT=1 set OLLAMA_LIBRARY_PATH=./build/lib/ollama # run ollama server .\ollama.exe serve ``` or use shell ollama-intel-gpu.bat: ```shell set OLLAMA_INTEL_GPU=true set OLLAMA_INTEL_IF_TYPE=SYCL set OLLAMA_NUM_GPU=64 set SYCL_CACHE_PERSISTENT=1 set OLLAMA_LIBRARY_PATH=./build/lib/ollama set ONEAPI_ROOT=C:\Program Files (x86)\Intel\oneAPI set PATH=%PATH%;%ONEAPI_ROOT%\2025.1\bin;./build/lib/ollama; .\ollama.exe serve ``` note: 1. set OLLAMA_NUM_GPU=xxx xxx: It needs to be manually set. According to the number of model layers that the video memory can load.for example my T140 has 16G shared video memory,i set it to 64. 2. Next 2 env is necessary if use sycl for discover intel gpu: set OLLAMA_INTEL_GPU=true set OLLAMA_INTEL_IF_TYPE=SYCL (env OLLAMA_INTEL_IF_TYPE is used in go and c code of ollama and llama.cpp,same name as build param) 3. When use pure CPU inference,a known bug need to delete ggml_sycl library temporay. ```shell # run ollama test client 1 .\ollama.exe run deepseek-r1:1.5b --verbose ``` ```shell # run ollama test client 2 .\ollama.exe run qwen3:4b-fp16 --verbose ``` ```shell # run ollama test client 3 .\ollama.exe run gemma3:12b --verbose ```
GiteaMirror added the pull-request label 2026-04-13 00:25:20 -05:00
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