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Explaining the difference between Execution Times and Response Times

Execution time and response time are two concepts which are sometimes mistakenly conflated. In this post, I will make…

2010-09-16

Analysing the timing of multi-cores

For the last 3 years, Rapita has been a participant in the MERASA (Multi-Core Execution of Hard Real-Time Applications…

2010-09-10

Identifying Optimization Candidates

In an earlier post (A five-step process for optimization) we suggested that identifying optimization candidates is an…

2010-09-03

Explaining the concept of "execution time"

The execution time of a piece of code (say an RTOS task) is the amount of time that the processor spends executing that…

2010-08-19

Installing Targetlink 2.6, GCC 2.95.2 and Axiom MPC555

We've had this web page up on the Rapita Systems website for some time now. As it seems to be of interest to quite a…

2010-08-12

Achieving real-time performance improvements within the SPARK framework

RapiTime is the only commercial tool on the market suitable for optimising reactive, real-time software, where average…

2010-08-05

An introduction to Modified Condition/Decision Coverage (MC/DC)

Modified Condition/Decision Coverage (MC/DC) is a method of ensuring adequate testing for safety-critical software. At…

2010-07-22

Real-Time Task set Generation and the WATERS workshop

I recently presented a paper at the WATERS 2010 workshop held during the Euromicro Technical Committee on Real-Time…

2010-07-14

Inserting binary values into C

This is an old C programmers trick for binary literals in C and is taken from a posting by Tom Torfs (http://groups.…

2010-07-09

Code coverage for applications running on Windows

I was recently asked by a customer if they could use RapiTime to analyse a program compiled for Windows using GCC and…

2010-06-24

Demonstrating how to “Rewind” backwards and forwards through recorded traces with RapiTime 2.3

Rapita’s Dr Paul Emberson recently travelled to Cambridge to demo one of the new features from the latest version of…

2010-06-17

Getting TriCore PCP inline assembly right

This macro (see below) toggles (0 becomes 1, 1 becomes 0) one of eight output pins of the Infineon TriCore 1797 port

2010-06-03

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