Fix predicate (#26)

Author: GaneshRapolu

hardware/scaling/README.md

@@ -161,9 +161,9 @@ Avoid false sharing of data, adding alignment/padding as needed. This can be com
 Minimize contention for true sharing:
 
 ```
-        global_flag = true   =>    if (global_flag) global_flag = true
+        global_flag = true   =>    if (!global_flag) global_flag = true
 ```
 
 avoids unnecessary writes to a shared cache line.
 
-Use a scalable malloc such as [jemalloc](https://jemalloc.net/) or [tcmalloc](https://github.com/google/tcmalloc) or [oneTBB malloc](https://uxlfoundation.github.io/oneTBB/main/tbb_userguide/automatically-replacing-malloc.html) if malloc library contention shows up. 
+Use a scalable malloc such as [jemalloc](https://jemalloc.net/) or [tcmalloc](https://github.com/google/tcmalloc) or [oneTBB malloc](https://uxlfoundation.github.io/oneTBB/main/tbb_userguide/automatically-replacing-malloc.html) if malloc library contention shows up.