From 460e3f7e748c6a2fab5c0db330bb8643885eca5a Mon Sep 17 00:00:00 2001
From: "Murillo Rojas, Luis" <luis.murillo.rojas@intel.com>
Date: Thu, 14 Nov 2024 14:57:07 -0800
Subject: [PATCH] Move enable JIT cache function to SYCL utils

---
 cpp/open3d/core/SYCLUtils.cpp             | 10 ++++++++++
 cpp/open3d/core/SYCLUtils.h               |  3 +++
 cpp/open3d/t/geometry/RaycastingScene.cpp | 14 --------------
 3 files changed, 13 insertions(+), 14 deletions(-)

diff --git a/cpp/open3d/core/SYCLUtils.cpp b/cpp/open3d/core/SYCLUtils.cpp
index ae8ccf63b7d..5f7acaac964 100644
--- a/cpp/open3d/core/SYCLUtils.cpp
+++ b/cpp/open3d/core/SYCLUtils.cpp
@@ -225,6 +225,16 @@ std::vector<Device> GetAvailableSYCLDevices() {
 #endif
 }
 
+void enablePersistentJITCache() {
+#if defined(_WIN32)
+    _putenv_s("SYCL_CACHE_PERSISTENT", "1");
+    _putenv_s("SYCL_CACHE_DIR", "cache");
+#else
+    setenv("SYCL_CACHE_PERSISTENT", "1", 1);
+    setenv("SYCL_CACHE_DIR", "cache", 1);
+#endif
+}
+
 }  // namespace sy
 }  // namespace core
 }  // namespace open3d
diff --git a/cpp/open3d/core/SYCLUtils.h b/cpp/open3d/core/SYCLUtils.h
index a1cb74426fb..a149bb7dcb5 100644
--- a/cpp/open3d/core/SYCLUtils.h
+++ b/cpp/open3d/core/SYCLUtils.h
@@ -40,6 +40,9 @@ bool IsDeviceAvailable(const Device& device);
 /// Return a list of available SYCL devices.
 std::vector<Device> GetAvailableSYCLDevices();
 
+/// Enables the JIT cache for SYCL.
+void enablePersistentJITCache();
+
 }  // namespace sy
 }  // namespace core
 }  // namespace open3d
diff --git a/cpp/open3d/t/geometry/RaycastingScene.cpp b/cpp/open3d/t/geometry/RaycastingScene.cpp
index f9ebbd6219a..9bd07f2bea7 100644
--- a/cpp/open3d/t/geometry/RaycastingScene.cpp
+++ b/cpp/open3d/t/geometry/RaycastingScene.cpp
@@ -170,18 +170,6 @@ typedef Eigen::AlignedVector3<float> Vec3fa;
 typedef Eigen::Matrix<float, 2, 1, Eigen::DontAlign> Vec2f;
 typedef Eigen::Vector3f Vec3f;
 
-#ifdef BUILD_SYCL_MODULE
-void enablePersistentJITCache() {
-#if defined(_WIN32)
-    _putenv_s("SYCL_CACHE_PERSISTENT", "1");
-    _putenv_s("SYCL_CACHE_DIR", "cache");
-#else
-    setenv("SYCL_CACHE_PERSISTENT", "1", 1);
-    setenv("SYCL_CACHE_DIR", "cache", 1);
-#endif
-}
-#endif
-
 // Error function called by embree.
 void ErrorFunction(void* userPtr, enum RTCError error, const char* str) {
     open3d::utility::LogError("Embree error: {} {}", rtcGetErrorString(error),
@@ -452,8 +440,6 @@ struct RaycastingScene::SYCLImpl : public RaycastingScene::Impl {
     sycl::device sycl_device_;
 
     void InitializeDevice() {
-        enablePersistentJITCache();
-
         try {
             sycl_device_ = sycl::device(rtcSYCLDeviceSelector);
         } catch (std::exception& e) {