Top "Overhead" questions

Overhead is any combination of excess or indirect computation time, memory, bandwidth, or other resources that are required to attain a particular goal.

What is the memory overhead of an object in Java?

Duplicate: What is the memory consumption of an object in Java? Assuming Java 1.6 JVM on 64-bit Linux on an Intel …

java memory overhead
Negative clock cycle measurements with back-to-back rdtsc?

I am writing a C code for measuring the number of clock cycles needed to acquire a semaphore. I am …

c x86-64 inline-assembly overhead rdtsc
In what ways do C++ exceptions slow down code when there are no exceptions thown?

I have read that there is some overhead to using C++ exceptions for exception handling as opposed to, say, checking …

c++ exception overhead
Why is there overhead when calling functions?

Often, people speak of the calling of functions producing a certain amount of overhead, or an inescapable set of additional …

c performance optimization memory-management overhead
What is the overhead cost of an empty vector?

What is the memory overhead of having an empty vector vs having a pointer to a vector? Option A: std::…

c++ memory stl vector overhead
C++ static_cast runtime overhead

See the code below. a) Does, in this case (simple inheritance, no virtual members), the static cast in B::df() …

c++ runtime overhead static-cast
Overhead with PPP and Ethernet

What is the overhead for PPP and Ethernet sending 5000 bytes? Frame size for Point-to-Point Protocol: 8 bytes MTU: 500 bytes Frame size …

networking network-protocols ethernet overhead ppp
Overhead of C++ inheritance with no virtual functions

In C++, what's the overhead (memory/cpu) associated with inheriting a base class that has no virtual functions? Is it …

c++ inheritance virtual overhead
Overhead of a switch statement in C

I'm a fairly competent Java programmer who's very new to C. I am trying to optimize a routine that has …

c switch-statement overhead
Overhead of a .NET array?

I was trying to determine the overhead of the header on a .NET array (in a 32-bit process) using this …

c# .net arrays overhead