[Tensor] apply ColoTensor on Torch functions (#821)

* Revert "[zero] add ZeroTensorShardStrategy (#793)"

This reverts commit 88759e289e.

* [gemini] set cpu memory capacity

* [log] local throughput collecting

* polish

* polish

* polish

* polish code

* polish

* polish code

* add a new tensor structure and override linear for it

* polish

* polish

* polish

* polish

* polish

* polish

* polish

* polish

* polish

* polish

* polish

* [tensor] renaming and reorganize directory structure.

* rm useless dir

* polish

* polish

* [tensor] hander the function not wrapped

tests/test_tensor/test_op.py

@@ -54,6 +54,13 @@ def test_element_wise():
     assert allclose(torch.nn.functional.relu(t), torch.nn.functional.relu(t_ref))
 
 
+# Test a function not wrapped by
+def test_no_wrap_op():
+    t_ref = torch.randn(3, 5)
+    t = ColoTensor(t_ref.clone())
+    assert torch.sum(t) == torch.sum(t_ref)
+
+
 if __name__ == '__main__':
-    test_linear()
+    test_no_wrap_op()
     # test_element_wise()