Update README.md

Author: Ivan Ou

hw1/README.md

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+# Odd Even Sort Experiment Result
 
+- Design serveral experiments to show the scalibility and speedup performance.
+- Calculate the IO time, Computation time, Communication time repectively.
+
+### Testcase Size
+- Data Size: 536869888
+
+### Single Node with Different Process Number Result
+Different Process Performance        |  Speedup Factor
+:-------------------------:|:-------------------------:
+![](./time/images/33_single_node_diff_proc_bar.png)  |  ![](./time/images/33_single_node_diff_proc_line.png)
+
+
+### Multiple Nodes with Different Process Number Result
+Different Process Performance        |  Speedup Factor
+:-------------------------:|:-------------------------:
+![](./time/images/33_diff_proc_bar.png)  |  ![](./time/images/33_diff_proc_line.png)