Comments (2)
What do we mean by detailed profiling? We need to decide what kind of profiling we want. Currently our benchmarks use our custom time measurements, which need to use cudaDeviceSynchronize()
between kernel calls to produce meaningful time measurements. But since a normal run without synchronization might benefit from some concurrent kernel execution, these measurements increase the total run time.
Alternatively we could use the nvprof
profiler, which also gives us performance metrics. But we would need to implement new benchmark scripts for that. which shouldn't take too long though.
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only use CPU-side blocking mode for time measurements from now on
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Related Issues (20)
- Check if storing the size of synapse groups is necessary? HOT 1
- Needs patch to run with Brian 2.4.2 HOT 2
- Optimize `StateMonitor`
- Impelement brian2cuda preference file support
- Copy all eventspace counters to host efficiently at each time step
- Investigate and document performance effects when working with `Subgroup`s HOT 1
- Consider partitioning eventspaces when using `Subgroup`s HOT 4
- Optimize `PopulationRateMonitor`
- Fix `SpikeMonitor` for `Subgroup`s HOT 1
- Optimize our `SpikeMonitor` for `Subgroups`
- Refactor test suite scripts
- Fix `ReferencError` in spatialneuron tests HOT 3
- Fix memory leak when having multiple `run` calls
- Spikes are lost when changing delays between `run` calls HOT 3
- Recent Brian2 update PR broke benchmark scripts HOT 1
- Brian2Cuda Uninstalls Brian2 2.5.1 and Installs 2.4.2 Which Won't Import HOT 3
- Brian2Hears and Brian2CUDA HOT 3
- Optimise brian2CUDA HOT 2
- Bypass nvidia-smi when using a Jetson platform HOT 6
- Why the volatile GPU utilization is so low? I run the same code respectively on the CPU(cpp_standalone) and GPU(brian2cuda), and i expect that it can run quickly by using brian2ccuda. However, it runs much slower... Can someone explain this? HOT 1
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