Update README

- add performance results details for gen1, gen2, gen3

README.md

@@ -10,6 +10,23 @@ DSS is a rack-scalable, very high read-bandwidth-optimized, Amazon S3-compatible
 
 [How to build, deploy, and use DSS software](https://youtu.be/fpAFvLhTpqw)
 
+## DSS Performance
+
+[S3 Benchmark](https://github.com/OpenMPDK/dss-ecosystem/tree/master/dss_s3benchmark) results:
+
+|            | [v1.0.0](https://github.com/OpenMPDK/DSS/releases/tag/v1.0.0) | [v2.0.0](https://github.com/OpenMPDK/DSS/releases/tag/v2.0.0) (S3-over-RDMA) | [v3.0.0](https://github.com/OpenMPDK/DSS/releases/tag/v3.0.0) (Write Optimization) |
+|:----------:|:----:|:-------------------:|:-------------------------:|
+| PUT (GB/s) |  12  |          12         |             65            |
+| GET (GB/s) |  112 |         160         |            162            |
+
+Results are aggregated with the following specification:
+
+- 4-node Dell R7525 Cluster
+  - 16x Samsung PM1733 3.84TB NVMe drives per Node
+  - 4x Dual-port 100g Mellanox CX-5 NIC per node
+  - Dual-socket AMD EPYC 7742 64-Core Processors
+  - 1TB DIMM per Node
+
 ## Build DSS - Docker
 
 DSS is optimally built via Docker using the scripts documented below.