Update README.md

README.md

@@ -5,4 +5,11 @@ The binary takes a file (in.bin) and applies all operations on the data in this
 Currently the file is read in binary mode and converted to a long-array for sorting purposes.
 
 Insertion-sort is disabled when over 150k elements are loaded.
-Selection-sort is disabled when over 250k elements are loaded.
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+Selection-sort is disabled when over 250k elements are loaded.
+
+When generating input-data:
+*  dd if=/dev/urandom of=in.bin bs=8 count=150000 (for all sorting algorithms)
+*  dd if=/dev/urandom of=in.bin bs=8 count=250000 (to exclude insertion-sort)
+*  anything with count above 250000 disables both.
+
+Currently multithreaded merge-sort uses hardcoded 256 threads
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