implementation detail · filed under inference & serving
Expert-optimized Triton kernels
Triton kernels optimized for experts and used in MoE training.
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used 1
Documented in
Evidence
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The gpt-oss models trained on NVIDIA H100 GPUs using the PyTorch framework with expert-optimized Triton kernels.
usedsoftware implementationin gpt-oss-120b and gpt-oss-20bOpenAI
Filed alongside
Other methods under inference & serving :: inference kernel.
Batch-invariant deterministic kernelsCUDA GraphCUDA Graph capture size reductionFlashAttention 3Kernel fusionMoE-side chunkingSynchronization-free static-shape MoE executionTensorRT-LLM multi-head attention backendAvoiding split-KDeepGEMM-based batch-invariant matrix multiplicationDistributed shared memory for cross-SM attention data exchangeDual-kernel batch-invariant attention decodingDynamic load balancingExp-free TopK kernelFA4 sheared-bias attention kernelFlashAttentionFlashAttention 4FlashKDAFP8 GEMMFused AttnRes merge and RMSNorm kernelFused latent down-projection and MoE-router GEMMFused mHC kernelsFused QSA kernelFused RoPE-attention-RoPE-cast kernel