An element is deadlock when it does not run or calculate any samples during the simulation. You can also control how INTERCONNECT resolves deadlock conditions during the simulation. The disadvantage is that the user must adjust its value and the sample rate to make sure all optical channels in the simulation fit into a single band. The advantage of the ‘single’ frequency band is that the user can set and has control over the exact value of the simulation center frequency. In this case, the user will have to adjust the simulation sample rate and center frequency to accommodate the optical channels. This means that optical channels generated by multiple optical sources will be placed inside the optical signal bandwidth defined by these properties, if the current optical channels don’t fit into the selected optical signal bandwidth an error message is generated and the simulation cannot continue. If ‘single’ is selected, the user can then enter the ‘sample mode center frequency’ value and the simulation bandwidth is now defined by the property ‘sample rate’ and ‘sample mode center frequency’. The global property ‘sample mode frequency band’ can be set as ‘automatic’ or ‘single’. When configuring Sample Mode, you can also select how the sample mode optical frequency band, or the simulation bandwidth, will be defined. For example, a CW Laser element also has the ‘output signal mode’ property, and its expression is defined as ‘%output signal mode%’ (% delimiters must be used when a property name contains white spaces). In the Property Tree, select ‘Simulation/Signal Mode/output signal mode’īy using expressions, the value of the global property ‘output signal mode’ is assigned to different elements in the circuit, this means changing its value affects the values of the circuit elements.This is where INTERCONNECT global properties can be set. Using the Property View, select Root Element.INTERCONNECT global properties and expressions allow for simultaneously setting all the sources to run using Sample Mode: Sample Mode SimulationĬonfiguring a simulation to run using Sample Mode is equivalent to configuring element sources, such as sequence and pulse generators to run using Sample Mode. If a process cannot access a locked record, a database deadlock may occur.This section discusses the simulation configuration for Sample Mode and Block Mode. Transactional databases lock active records, preventing other queries from accessing them. NOTE: Deadlocks may also occur when two or more queries are run on a database. By ensuring data is accessible when needed, programmers can protect their applications from hanging or crashing. For example, instead of having two processes rely on each other, the source code can be written so that each thread finishes before another thread needs its resources. Avoiding Deadlocksĭevelopers can prevent deadlocks by avoiding locking conditions in their programming logic. Since neither process can continue until the other one completes, a deadlock is created. The result is that process 1 and process 2 are waiting for each other to finish.
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