Lazy compute compile options (#2029)

Closes #2027

---------

Signed-off-by: Anatoly Myachev <anatoly.myachev@intel.com>
Co-authored-by: Pavel Chekin <pavel.chekin@intel.com>

third_party/intel/backend/driver.py

@@ -4,16 +4,15 @@
 import shutil
 import tempfile
 from pathlib import Path
+from functools import cached_property
+
 from triton.runtime.build import _build
 from triton.runtime.cache import get_cache_manager
 from triton.backends.compiler import GPUTarget
 from triton.backends.driver import DriverBase
 from packaging.version import Version
 from packaging.specifiers import SpecifierSet
 
-ze_root = os.getenv("ZE_PATH", default="/usr/local")
-include_dir = [os.path.join(ze_root, "include")]
-
 
 def find_sycl(include_dir: list[str]) -> tuple[list[str], list[str]]:
     """
@@ -65,13 +64,41 @@ def find_sycl(include_dir: list[str]) -> tuple[list[str], list[str]]:
     return include_dir, library_dir
 
 
-include_dir, library_dir = find_sycl(include_dir)
+class CompilationHelper:
+    _library_dir: list[str]
+    _include_dir: list[str]
+
+    def __init__(self):
+        self._library_dir = None
+        self._include_dir = None
+        self.libraries = ['ze_loader', 'sycl']
+
+    @cached_property
+    def _compute_compilation_options_lazy(self):
+        ze_root = os.getenv("ZE_PATH", default="/usr/local")
+        include_dir = [os.path.join(ze_root, "include")]
+
+        include_dir, library_dir = find_sycl(include_dir)
+
+        dirname = os.path.dirname(os.path.realpath(__file__))
+        include_dir += [os.path.join(dirname, "include")]
+        library_dir += [os.path.join(dirname, "lib")]
+
+        self._library_dir = library_dir
+        self._include_dir = include_dir
+
+    @cached_property
+    def library_dir(self) -> list[str]:
+        self._compute_compilation_options_lazy
+        return self._library_dir
+
+    @cached_property
+    def include_dir(self) -> list[str]:
+        self._compute_compilation_options_lazy
+        return self._include_dir
 
-dirname = os.path.dirname(os.path.realpath(__file__))
-include_dir += [os.path.join(dirname, "include")]
 
-library_dir += [os.path.join(dirname, "lib")]
-libraries = ['ze_loader', 'sycl']
+compilation_helper = CompilationHelper()
 
 
 def compile_module_from_src(src, name):
@@ -83,7 +110,8 @@ def compile_module_from_src(src, name):
             src_path = os.path.join(tmpdir, "main.cpp")
             with open(src_path, "w") as f:
                 f.write(src)
-            so = _build(name, src_path, tmpdir, library_dir, include_dir, libraries)
+            so = _build(name, src_path, tmpdir, compilation_helper.library_dir, compilation_helper.include_dir,
+                        compilation_helper.libraries)
             with open(so, "rb") as f:
                 cache_path = cache.put(f.read(), f"{name}.so", binary=True)
     import importlib.util