This blog is about the difference between “capture by value” and “capture by reference” in C11++ lambda expressions. My point is that if copying a captured object is both legal and cheap, capture by value may yield faster code than capture by reference. C++ lambda expressions let the compiler do the tedious work of creating [...] Read more
Program analysis tools can be valuable for debugging program correctness and performance issues, even more so for multi-threaded programs. Some of these tools need to know about certain events in the program. For example, race detection for Intel® Cilk™ Plus programs requires knowing precisely when spawn and sync events happen. Similar events are necessary to analyze [...] Read more
Fans of Cilk Plus or language specifications may be interested in the revised specification of Intel® Cilk™ Plus posted at http://software.intel.com/file/37679/Intel_Cilk_plus_lang_spec_2.htm . Clark Nelson did most of the work for turning the previous specification into something closer to standardese and illuminating ambiguities in the previous specification. I’ll mention two important changes that the new specification to [...] Read more
