for (i = 0; i < delta_search_threads; i++) {
unsigned sub_size = list_size / (delta_search_threads - i);
+ /* don't use too small segments or no deltas will be found */
+ if (sub_size < 2*window && i+1 < delta_search_threads)
+ sub_size = 0;
+
p[i].window = window;
p[i].depth = depth;
p[i].processed = processed;