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I have a hierarchical circuit and simulation just hangs while Circuit Statistics just returns nothing after blocking for a while. It sounds like I'm hitting some kind of limits. The circuit should have approximately 132000 NAND and 8000 D FlipFlop. Simulation I don't much care about, it's probably impractical. Statistics would be nice though. |
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Replies: 1 comment 2 replies
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There is no specific limit. I think it is a problem with the memory consumption. With 100k gates it should still run fine, although a bit laggy. But when the memory gets low, the VM spends a lot of time in the garbage collector, and it looks like the application hangs. Try to start the simulator using the comand line via This way, the VM can use 8 GBytes, which should be sufficient. |
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Yes, of course! Both simulation and statistics work fine with -Xms1024m. |
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I may have been a bit generous with my 8 GBytes advice! 😄 |
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There is no specific limit. I think it is a problem with the memory consumption. With 100k gates it should still run fine, although a bit laggy. But when the memory gets low, the VM spends a lot of time in the garbage collector, and it looks like the application hangs.
Try to start the simulator using the comand line via
This way, the VM can use 8 GBytes, which should be sufficient.