diff --git a/README.md b/README.md
index 23142de..abb866a 100644
--- a/README.md
+++ b/README.md
@@ -89,3 +89,57 @@ Then go to `http://localhost:9876`
     mvn sonar:sonar -Dsonar.projectKey=gis -Dsonar.host.url=http://localhost:9876 -Dsonar.login=302481a5dee289283af983ac713174e2f2ed13da
     ```
 - after the maven command above succcess, you will have a dashboard about `gis` project
+
+# Performance
+
+Measure by [hyperfine](https://github.com/sharkdp/hyperfine)
+
+```bash
+| Command          | Mean [ms]       | Min [ms] | Max [ms] | Relative |
+|------------------+-----------------+----------+----------+----------|
+| gis              | 96.6 ± 13.3     |     86.2 |    155.9 |     1.00 |
+| gis branches -nn | 73.2 ± 3.0      |     67.1 |     78.4 |     1.00 |
+| gis branches     | 73.1 ± 3.7      |     67.8 |     81.2 |     1.00 |
+| gis co br_tst_1  | 1088.8 ± 88.8   |    984.5 |   1297.2 |     1.00 |
+| gis fetch        | 4222.9 ± 1753.7 |   2839.8 |   7066.3 |     1.00 |
+| gis files        | 3597.6 ± 110.2  |   3502.3 |   3854.2 |     1.00 |
+| gis status       | 94.9 ± 5.1      |     88.6 |    108.5 |     1.00 |
+```
+
+
+Performance is run with:
+- number of submodules: 100
+- avg number of branch per submodules: 52.050
+- avg number of files per submodules: 1002.000
+- avg number of commit per submodules: 155.480
+
+
+CPU info:
+CPU NODE SOCKET CORE L1d:L1i:L2:L3 ONLINE    MAXMHZ   MINMHZ      MHZ
+  0    0      0    0 0:0:0:0          yes 4600.0000 800.0000 799.9910
+  1    0      0    0 0:0:0:0          yes 4600.0000 800.0000 800.2950
+  2    0      0    1 4:4:1:0          yes 4600.0000 800.0000 800.1080
+  3    0      0    1 4:4:1:0          yes 4600.0000 800.0000 800.0000
+  4    0      0    2 8:8:2:0          yes 4600.0000 800.0000 800.0540
+  5    0      0    2 8:8:2:0          yes 4600.0000 800.0000 800.0000
+  6    0      0    3 12:12:3:0        yes 4600.0000 800.0000 800.2280
+  7    0      0    3 12:12:3:0        yes 4600.0000 800.0000 800.0000
+  8    0      0    4 16:16:4:0        yes 4600.0000 800.0000 800.7560
+  9    0      0    4 16:16:4:0        yes 4600.0000 800.0000 800.0000
+ 10    0      0    5 20:20:5:0        yes 4600.0000 800.0000 800.3980
+ 11    0      0    5 20:20:5:0        yes 4600.0000 800.0000 800.0000
+ 12    0      0    6 28:28:7:0        yes 3300.0000 800.0000 800.0000
+ 13    0      0    7 29:29:7:0        yes 3300.0000 800.0000 800.5960
+ 14    0      0    8 30:30:7:0        yes 3300.0000 800.0000 799.4260
+ 15    0      0    9 31:31:7:0        yes 3300.0000 800.0000 800.0000
+
+RAM info:RANGE                                 SIZE  STATE REMOVABLE  BLOCK
+0x0000000000000000-0x000000007fffffff   2G online       yes   0-15
+0x0000000100000000-0x000000087fffffff  30G online       yes 32-271
+
+Memory block size:       128M
+Total online memory:      32G
+Total offline memory:      0B
+
+
+gis version: 1.1.3-dev