diff --git a/docs/README.md b/docs/README.md
index 92a878e..64ecc08 100644
--- a/docs/README.md
+++ b/docs/README.md
@@ -24,27 +24,27 @@ Here some ideas for improving this tiny engine:
## Build / Dev Support
- [ ] add a test rig either with Snitch or Catch2
- [ ] write some reasonable testcases
+- [ ] add CPU and GPU benchmarks to address various issues
# Issues
-
```sh
Performance counter stats for 'bin/paradiso_pong':
- 555,35 msec task-clock:u # 0,042 CPUs utilized
- 0 context-switches:u # 0,000 /sec
- 0 cpu-migrations:u # 0,000 /sec
- 4.072 page-faults:u # 7,332 K/sec
- 319.484.735 cycles:u # 0,575 GHz
- 358.165.995 instructions:u # 1,12 insn per cycle
- 86.037.942 branches:u # 154,926 M/sec
- 2.469.068 branch-misses:u # 2,87% of all branches
+ 555,35 msec task-clock:u # 0,042 CPUs utilized
+ 0 context-switches:u # 0,000 /sec
+ 0 cpu-migrations:u # 0,000 /sec
+ 4.072 page-faults:u # 7,332 K/sec
+ 319.484.735 cycles:u # 0,575 GHz
+ 358.165.995 instructions:u # 1,12 insn per cycle
+ 86.037.942 branches:u # 154,926 M/sec
+ 2.469.068 branch-misses:u # 2,87% of all branches
13,092775373 seconds time elapsed
0,311565000 seconds user
0,247491000 seconds sys
```
-above run with `perf stat bin/paradiso_pong` shows some really bad performance issues.
\ No newline at end of file
+above run with `perf stat bin/paradiso_pong` shows some really bad performance issues.
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+###############################################################################
+
+ Tappy Plane by Kenney Vleugels (www.kenney.nl)
+
+ ------------------------------
+
+ License (CC0)
+ http://creativecommons.org/publicdomain/zero/1.0/
+
+ You may use these graphics in personal and commercial projects.
+ Credit (Kenney or www.kenney.nl) would be nice but is not mandatory.
+
+###############################################################################
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