docs: Add benchmark doc

README.md

@@ -142,11 +142,18 @@ fmt.Println(dec.DecryptLWEBool(ctOut)) // false
 
 ## Benchmarks
 All benchmarks were measured on a machine equipped with Intel Xeon Platinum 8268 CPU @ 2.90GHz and 384GB of RAM. Roughly equivalent parameters were used.
+
 |Operation|TFHE-go|TFHE-rs (v0.6.1)|
 |---------|-------|-------|
 |Gate Bootstrapping|10.08ms|10.84ms|
 |Programmable Bootstrapping (6 bits)|36.51ms|89.48ms|
 
+You can use the standard go test tool to reproduce benchmarks:
+```
+$ go test ./tfhe -run=^$ -bench="GateBootstrap|ProgrammableBootstrap"
+```
+
+
 ## Security
 TFHE-go has not been audited or reviewed by security experts, and may contain critical vulnerabilities. Use at your own risk. See [SECURITY](https://github.com/sp301415/tfhe-go/blob/master/SECURITY.md) for more details.