Are there debugging tools to see memory bandwidth utilization and latency? For example, if I had an application that spawns X threads to read data and each thread writes to disk, is there a tool that I could use to tweak X to try and find the highest bandwidth utilization?
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sluck
@nbatliva It looks like Intel has a very expensive piece of software that can be used to measure this:
But, if I understand this correctly, I imagine you might be able to use something like XPerf on Windows to look at the CPU utilization (over a period of time) of the thread that you care about, i.e. the thread that you want to be working all the time. If it looks like the thread spends most of its time on the CPU with "good utilization" or that it fully uses the CPU, then it might be reasonable to conclude that it is being serviced with enough memory. Furthermore, if it looks like the CPU utilization doesn't increase while you spawn more threads, then you might be able to conclude that you have achieved the highest bandwidth utilization.
Are there debugging tools to see memory bandwidth utilization and latency? For example, if I had an application that spawns X threads to read data and each thread writes to disk, is there a tool that I could use to tweak X to try and find the highest bandwidth utilization?
This comment was marked helpful 0 times.
@nbatliva It looks like Intel has a very expensive piece of software that can be used to measure this:
VTune
But, if I understand this correctly, I imagine you might be able to use something like XPerf on Windows to look at the CPU utilization (over a period of time) of the thread that you care about, i.e. the thread that you want to be working all the time. If it looks like the thread spends most of its time on the CPU with "good utilization" or that it fully uses the CPU, then it might be reasonable to conclude that it is being serviced with enough memory. Furthermore, if it looks like the CPU utilization doesn't increase while you spawn more threads, then you might be able to conclude that you have achieved the highest bandwidth utilization.
This comment was marked helpful 0 times.