formatting pass.

squiggle_more.c

@@ -72,9 +72,9 @@ void sampler_parallel(double (*sampler)(uint64_t* seed), double* results, int n_
                 // In principle, these results[j] could also result in two threads competing for the same cache line.
                 // In practice, though,
                 // a) this would happen infrequently
-                // b)            
+                // b) trying to unroll loops actually makes the code slower
+                // c) 8 results[j] are 8 doubles, which fit a cache line. If n_samples/n_threads
             }
-            
         }
     }
     for (int j = divisor_multiple; j < n_samples; j++) {