You might heard params are evil. Have you ever seen the performance bill for that? How to find out where params are used? Memory allocation report shows all allocations, we’ll start from here: Method with params creates an array behind the scenes, so hunting for object: IL code proves sad truth – array is alwaysContinue reading “Performance crime: Params”
I was investigating Sitecore Aggregation case a time back and my attention was caught by GC Heap Allocation mentioning RequiresValidator in top 10: Combining all generic entries together leads to over 7% of total allocations making it second most expensive type application wide! Yes, all it does is check object is not null Yes, itContinue reading “Performance crime: careless allocations”
Performance Engineering of Software Systems MIT course begins with optimizing math task code to make it work 53K times faster.
How faster can real-life software become without changing the technology?
How to answer ‘why slow’ question?