trevor-m commented on a change in pull request #7162:
URL: https://github.com/apache/tvm/pull/7162#discussion_r572479897
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File path: src/runtime/contrib/tensorrt/tensorrt_runtime.cc
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@@ -211,6 +218,16 @@ class TensorRTRuntime : public JSONRuntimeBase {
builder.AddOutput(outputs_[i], EntryID(outputs_[i]));
}
+ // Allocate Device Buffers
+ if (trt_engine_cache_.count(std::make_pair(symbol_name_, batch_size_))) {
+ TensorRTEngineAndContext& engine_and_context =
+ trt_engine_cache_.at(std::make_pair(symbol_name_, batch_size_));
+ if (engine_and_context.device_buffers.size() == 0) {
+ builder.CreateDeviceBuffers(&engine_and_context);
+ return;
Review comment:
I think the best solution is to move `CreateDeviceBuffers` out of
TensorRTBuilder and into the runtime module. That way we can call it without
the unnecessary allocations and creations done by TensorRTBuilder
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