Revert "Move most xfails to entries in tank/all_models.csv and temporarily remove multiprocessing and TF gpu support. (#602)" (#622)

This reverts commit fe618811ee.

setup.py

@@ -6,18 +6,12 @@ import os
 with open("README.md", "r", encoding="utf-8") as fh:
     long_description = fh.read()
 
-with open("build_tools/shark_versions.txt", "r") as sv:
-    lines = [line.rstrip() for line in sv]
-    TM_VERSION = lines[7]
-    IREE_VERSION = lines[3]
-
-
 PACKAGE_VERSION = os.environ.get("SHARK_PACKAGE_VERSION") or "0.0.4"
 backend_deps = []
 if "NO_BACKEND" in os.environ.keys():
     backend_deps = [
-        f"iree-compiler=={IREE_VERSION}",
-        f"iree-runtime>={IREE_VERSION}",
+        "iree-compiler>=20221022.190",
+        "iree-runtime>=20221022.190",
     ]
 
 setup(
@@ -43,7 +37,7 @@ setup(
     install_requires=[
         "numpy",
         "PyYAML",
-        f"torch-mlir=={TM_VERSION}",
+        "torch-mlir>=20221021.633",
     ]
     + backend_deps,
 )