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[NV RTX EP] Set Compute Capability only on Turing architecture #25446

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Merged
jywu-msft merged 1 commit into from
Jul 19, 2025
Merged

[NV RTX EP] Set Compute Capability only on Turing architecture #25446

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15 changes: 10 additions & 5 deletions onnxruntime/core/providers/nv_tensorrt_rtx/nv_execution_provider.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -2281,11 +2281,16 @@ Status NvExecutionProvider::CreateNodeComputeInfoFromGraph(const GraphViewer& gr
if (max_shared_mem_size_ > 0) {
trt_config->setMemoryPoolLimit(nvinfer1::MemoryPoolType::kTACTIC_SHARED_MEMORY, max_shared_mem_size_);
}
// Only set default compute capabilities if user hasn't explicitly configured them
constexpr int kDefaultNumComputeCapabilities = 1; // Default number of compute capabilities for Turing support
if (trt_config->getNbComputeCapabilities() == 0) {
trt_config->setNbComputeCapabilities(kDefaultNumComputeCapabilities);
trt_config->setComputeCapability(nvinfer1::ComputeCapability::kCURRENT, 0);

// Only set compute capability for Turing
const std::string kTuringComputeCapability{"75"};

if (compute_capability_ == kTuringComputeCapability) {
constexpr int kDefaultNumComputeCapabilities = 1;
if (trt_config->getNbComputeCapabilities() == 0) {
trt_config->setNbComputeCapabilities(kDefaultNumComputeCapabilities);
trt_config->setComputeCapability(nvinfer1::ComputeCapability::kSM75, 0);
}
}

int num_inputs = trt_network->getNbInputs();
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