fix: dynamically get cuda toolkit version

engine/commands/engine_init_cmd.cc

@@ -9,6 +9,9 @@
 // clang-format on
 #include "utils/cuda_toolkit_utils.h"
 #include "utils/engine_matcher_utils.h"
+#if defined(_WIN32) || defined(__linux__)
+#include "utils/file_manager_utils.h"
+#endif
 
 namespace commands {
 
@@ -60,21 +63,22 @@ bool EngineInitCmd::Exec() const {
           variants.push_back(asset_name);
         }
 
-        auto cuda_version = system_info_utils::GetCudaVersion();
-        LOG_INFO << "engineName_: " << engineName_;
-        LOG_INFO << "CUDA version: " << cuda_version;
-        std::string matched_variant = "";
+        auto cuda_driver_version = system_info_utils::GetCudaVersion();
+        LOG_INFO << "Engine: " << engineName_
+                 << ", CUDA driver version: " << cuda_driver_version;
+
+        std::string matched_variant{""};
         if (engineName_ == "cortex.tensorrt-llm") {
           matched_variant = engine_matcher_utils::ValidateTensorrtLlm(
-              variants, system_info.os, cuda_version);
+              variants, system_info.os, cuda_driver_version);
         } else if (engineName_ == "cortex.onnx") {
           matched_variant = engine_matcher_utils::ValidateOnnx(
               variants, system_info.os, system_info.arch);
         } else if (engineName_ == "cortex.llamacpp") {
           auto suitable_avx = engine_matcher_utils::GetSuitableAvxVariant();
           matched_variant = engine_matcher_utils::Validate(
               variants, system_info.os, system_info.arch, suitable_avx,
-              cuda_version);
+              cuda_driver_version);
         }
         LOG_INFO << "Matched variant: " << matched_variant;
         if (matched_variant.empty()) {
@@ -105,17 +109,46 @@ bool EngineInitCmd::Exec() const {
                                              }}};
 
             DownloadService download_service;
-            download_service.AddDownloadTask(downloadTask, [](const std::string&
-                                                                  absolute_path,
-                                                              bool unused) {
+            download_service.AddDownloadTask(downloadTask, [this](
+                                                               const std::string&
+                                                                   absolute_path,
+                                                               bool unused) {
               // try to unzip the downloaded file
               std::filesystem::path downloadedEnginePath{absolute_path};
               LOG_INFO << "Downloaded engine path: "
                        << downloadedEnginePath.string();
 
-              archive_utils::ExtractArchive(
-                  downloadedEnginePath.string(),
-                  downloadedEnginePath.parent_path().parent_path().string());
+              std::filesystem::path extract_path =
+                  downloadedEnginePath.parent_path().parent_path();
+
+              archive_utils::ExtractArchive(downloadedEnginePath.string(),
+                                            extract_path.string());
+#if defined(_WIN32) || defined(__linux__)
+              // FIXME: hacky try to copy the file. Remove this when we are able to set the library path
+              auto engine_path = extract_path / engineName_;
+              LOG_INFO << "Source path: " << engine_path.string();
+              auto executable_path =
+                  file_manager_utils::GetExecutableFolderContainerPath();
+              for (const auto& entry :
+                   std::filesystem::recursive_directory_iterator(engine_path)) {
+                if (entry.is_regular_file() &&
+                    entry.path().extension() != ".gz") {
+                  std::filesystem::path relative_path =
+                      std::filesystem::relative(entry.path(), engine_path);
+                  std::filesystem::path destFile =
+                      executable_path / relative_path;
+
+                  std::filesystem::create_directories(destFile.parent_path());
+                  std::filesystem::copy_file(
+                      entry.path(), destFile,
+                      std::filesystem::copy_options::overwrite_existing);
+
+                  std::cout << "Copied: " << entry.path().filename().string()
+                            << " to " << destFile.string() << std::endl;
+                }
+              }
+              std::cout << "DLL copying completed successfully." << std::endl;
+#endif
 
               // remove the downloaded file
               // TODO(any) Could not delete file on Windows because it is currently hold by httplib(?)
@@ -128,23 +161,47 @@ bool EngineInitCmd::Exec() const {
               LOG_INFO << "Finished!";
             });
             if (system_info.os == "mac" || engineName_ == "cortex.onnx") {
-              return false;
+              // mac and onnx engine does not require cuda toolkit
+              return true;
             }
+
             // download cuda toolkit
             const std::string jan_host = "https://catalog.jan.ai";
             const std::string cuda_toolkit_file_name = "cuda.tar.gz";
             const std::string download_id = "cuda";
 
-            auto gpu_driver_version = system_info_utils::GetDriverVersion();
+            // TODO: we don't have API to retrieve list of cuda toolkit dependencies atm because we hosting it at jan
+            // will have better logic after https://github.com/janhq/cortex/issues/1046 finished
+            // for now, assume that we have only 11.7 and 12.4
+            auto suitable_toolkit_version = "";
+            if (engineName_ == "cortex.tensorrt-llm") {
+              // for tensorrt-llm, we need to download cuda toolkit v12.4
+              suitable_toolkit_version = "12.4";
+            } else {
+              // llamacpp
+              auto cuda_driver_semver =
+                  semantic_version_utils::SplitVersion(cuda_driver_version);
+              if (cuda_driver_semver.major == 11) {
+                suitable_toolkit_version = "11.7";
+              } else if (cuda_driver_semver.major == 12) {
+                suitable_toolkit_version = "12.4";
+              }
+            }
 
-            auto cuda_runtime_version =
-                cuda_toolkit_utils::GetCompatibleCudaToolkitVersion(
-                    gpu_driver_version, system_info.os, engineName_);
+            // compare cuda driver version with cuda toolkit version
+            // cuda driver version should be greater than toolkit version to ensure compatibility
+            if (semantic_version_utils::CompareSemanticVersion(
+                    cuda_driver_version, suitable_toolkit_version) < 0) {
+              LOG_ERROR << "Your Cuda driver version " << cuda_driver_version
+                        << " is not compatible with cuda toolkit version "
+                        << suitable_toolkit_version;
+              return false;
+            }
 
             std::ostringstream cuda_toolkit_path;
-            cuda_toolkit_path << "dist/cuda-dependencies/" << 11.7 << "/"
-                              << system_info.os << "/"
-                              << cuda_toolkit_file_name;
+            cuda_toolkit_path << "dist/cuda-dependencies/"
+                              << cuda_driver_version << "/" << system_info.os
+                              << "/" << cuda_toolkit_file_name;
 
             LOG_DEBUG << "Cuda toolkit download url: " << jan_host
                       << cuda_toolkit_path.str();

engine/utils/engine_matcher_utils.h

@@ -1,5 +1,5 @@
+#include <trantor/utils/Logger.h>
 #include <algorithm>
-#include <iostream>
 #include <iterator>
 #include <regex>
 #include <string>
@@ -93,9 +93,19 @@ inline std::string GetSuitableCudaVariant(
           bestMatchMinor = variantMinor;
         }
       }
-    } else if (cuda_version.empty() && selectedVariant.empty()) {
-      // If no CUDA version is provided, select the variant without any CUDA in the name
-      selectedVariant = variant;
+    }
+  }
+
+  // If no CUDA version is provided, select the variant without any CUDA in the name
+  if (selectedVariant.empty()) {
+    LOG_WARN
+        << "No suitable CUDA variant found, selecting a variant without CUDA";
+    for (const auto& variant : variants) {
+      if (variant.find("cuda") == std::string::npos) {
+        selectedVariant = variant;
+        LOG_INFO << "Found variant without CUDA: " << selectedVariant << "\n";
+        break;
+      }
     }
   }
 
@@ -177,4 +187,4 @@ inline std::string Validate(const std::vector<std::string>& variants,
 
   return cuda_compatible;
 }
-}  // namespace engine_matcher_utils
+}  // namespace engine_matcher_utils

engine/utils/semantic_version_utils.h

@@ -1,34 +1,61 @@
+#include <trantor/utils/Logger.h>
 #include <sstream>
-#include <vector>
 
 namespace semantic_version_utils {
-inline std::vector<int> SplitVersion(const std::string& version) {
-  std::vector<int> parts;
-  std::stringstream ss(version);
-  std::string part;
+struct SemVer {
+  int major;
+  int minor;
+  int patch;
+};
 
-  while (std::getline(ss, part, '.')) {
-    parts.push_back(std::stoi(part));
+inline SemVer SplitVersion(const std::string& version) {
+  if (version.empty()) {
+    LOG_WARN << "Passed in version is empty!";
   }
+  SemVer semVer = {0, 0, 0};  // default value
+  std::stringstream ss(version);
+  std::string part;
 
-  while (parts.size() < 3) {
-    parts.push_back(0);
+  int index = 0;
+  while (std::getline(ss, part, '.') && index < 3) {
+    int value = std::stoi(part);
+    switch (index) {
+      case 0:
+        semVer.major = value;
+        break;
+      case 1:
+        semVer.minor = value;
+        break;
+      case 2:
+        semVer.patch = value;
+        break;
+    }
+    ++index;
   }
 
-  return parts;
+  return semVer;
 }
 
 inline int CompareSemanticVersion(const std::string& version1,
                                   const std::string& version2) {
-  std::vector<int> v1 = SplitVersion(version1);
-  std::vector<int> v2 = SplitVersion(version2);
-
-  for (size_t i = 0; i < 3; ++i) {
-    if (v1[i] < v2[i])
-      return -1;
-    if (v1[i] > v2[i])
-      return 1;
-  }
+  SemVer v1 = SplitVersion(version1);
+  SemVer v2 = SplitVersion(version2);
+
+  if (v1.major < v2.major)
+    return -1;
+  if (v1.major > v2.major)
+    return 1;
+
+  if (v1.minor < v2.minor)
+    return -1;
+  if (v1.minor > v2.minor)
+    return 1;
+
+  if (v1.patch < v2.patch)
+    return -1;
+  if (v1.patch > v2.patch)
+    return 1;
+
   return 0;
 }
-}  // namespace semantic_version_utils
+}  // namespace semantic_version_utils