b10355

llama : support multi-output backend sampling (#25532)

• Enable backend sampling with token speculation

• Clamp the mask sum before converting it into the sampled index

• Add a numeric context parameter declaring the maximum outputs one sequence

• More fixes

• Don't reuse memory for output views.

• Match dist between CPU and GPU

• Fix CPU and backend sampling mismatches

• Simpify some of the changes

• Fix tests on Vulkan

• More test fixes

• Rebase changes

• Rebase and address review comments

• Address review comments

• Address review comments

• Update src/llama-sampler.cpp

Co-authored-by: Georgi Gerganov [email protected]

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Co-authored-by: Georgi Gerganov [email protected]

Website:

• https://llama.app

macOS/iOS:

• macOS Apple Silicon (arm64)
• macOS Apple Silicon (arm64, KleidiAI enabled) DISABLED
• macOS Intel (x64)
• iOS XCFramework

Linux:

• Ubuntu x64 (CPU)
• Ubuntu arm64 (CPU)
• Ubuntu s390x (CPU)
• Ubuntu x64 (Vulkan)
• Ubuntu arm64 (Vulkan)
• Ubuntu x64 (ROCm 7.2)
• Ubuntu x64 (OpenVINO)
• Ubuntu x64 (SYCL FP32)
• Ubuntu x64 (SYCL FP16)

Android:

• Android arm64 (CPU)

Windows:

• Windows x64 (CPU)
• Windows arm64 (CPU)
• Windows arm64 (OpenCL Adreno)
• Windows x64 (CUDA 12) - CUDA 12.4 DLLs
• Windows x64 (CUDA 13) - CUDA 13.3 DLLs
• Windows arm64 (CUDA 13) (preview) - CUDA 13.4 DLLs
• Windows x64 (Vulkan)
• Windows x64 (OpenVINO)
• Windows x64 (SYCL)
• Windows x64 (HIP)

openEuler:

• DISABLED
• openEuler x86 (310p)
• openEuler x86 (910b, ACL Graph)
• openEuler aarch64 (310p)
• openEuler aarch64 (910b, ACL Graph)

• UI