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A trace-driven simulation [1] reads a fixed sequence of trace records from a file as an input. These trace records usually represent memory references, branch outcomes, or specific machine instructions, among others. While a trace-driven simulation is known to be comparatively fast and its results are highly reproducible, it also requires a ...
In computing, a stack trace (also called stack backtrace [1] or stack traceback [2]) is a report of the active stack frames at a certain point in time during the execution of a program. When a program is run, memory is often dynamically allocated in two places: the stack and the heap. Memory is continuously allocated on a stack but not on a ...
Trace-based simulation may be used in a variety of applications, from the analysis of solid state disks to the message passing performance on very large computer clusters. [ 1 ] [ 2 ] Traced-based simulators usually have two components: one that executes actions and stores the results (i.e. traces) and another which reads the log files of ...
Dinero is a uniprocessor CPU cache simulator for memory reference traces written by Dr. Jan Edler and Prof. Mark D. Hill of the University of Wisconsin–Madison. It is frequently used for educational purposes.
A distributed trace is an interrelated series of discrete events (also called spans) that track the progression of a single user request. [3] A trace shows the causal and temporal relationships between the services that interoperate to fulfill a request. Instrumenting an application with traces means sending span information to a tracing backend.
Xilinx Simulator (XSIM) comes as part of the Vivado design suite. It is a compiled-language simulator that supports mixed language simulation with Verilog, SystemVerilog, VHDL and SystemC language. It supports standard debugging tool such as step through code, breakpoints, cross-probing, value probes, call stack and local variable Window.
For example, the IBM 1401 was simulated on the later IBM/360 through use of microcode emulation. To monitor and execute the machine code instructions (but treated as an input stream) on the same hardware for test and debugging purposes, e.g. with memory protection (which protects against accidental or deliberate buffer overflow).
In a real time simulation, the time required to solve the internal state equations and functions representing the system must be less than the fixed step. If calculation time exceeds the time of the fixed step, an over run is said to have occurred and the simulation now lags behind the actual time. In simple words, real-time simulation must ...