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EISW-221288 Check blob format when COMPILATION_MODE is not set #36395

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EISW-221288 Check blob format when COMPILATION_MODE is not set #36395

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19 changes: 18 additions & 1 deletion src/plugins/intel_npu/src/compiler_adapter/src/plugin_compiler_adapter.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -69,7 +69,24 @@ std::shared_ptr<IGraph> PluginCompilerAdapter::compile(const std::shared_ptr<con
auto [tensor, compatibilityDescriptor] = _compiler->compile(model, config);
_logger.debug("compile end");

if (config.get<COMPILATION_MODE>().find("HostCompile") == 0) {
auto isHostCompiledBlob = [&]() {
// when compilation mode is not set,
// vpux compiler may generate a blob for HostCompile mode when both input and output shapes are dynamic,
// we need to detect it and use the right runtime to get metadata
if (!config.has<COMPILATION_MODE>()) {
const size_t headerSize = std::min(tensor.get_byte_size(), size_t{20});
const std::string_view header(static_cast<const char*>(tensor.data()), headerSize);
if (header.find("llvm") != std::string_view::npos ||
header.find("NPUByte\x00") != std::string_view::npos) {
_logger.debug("HostCompile mode is detected based on blob header, use internal function to get metadata!");
return true;
}
}
return false;
};

if ((config.get<COMPILATION_MODE>().find("HostCompile") == 0) ||
isHostCompiledBlob()) {
NPUVMRuntimeApi::initializeFromBlob(tensor.data(), tensor.get_byte_size());

// metadata will be obtained in initialze() of DynamicGraph
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