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NIC detection performance #22

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bendyer opened this issue Jul 25, 2012 · 1 comment
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NIC detection performance #22

bendyer opened this issue Jul 25, 2012 · 1 comment
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@IanSeyler

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@bendyer
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bendyer commented Jul 25, 2012

When running in VirtualBox, over 90% of CPU cycles used during boot are spent finding an appropriate NIC/driver pair, specifically in iterating over all PCI devices for each supported vendor/device ID.

If the init_net code iterated over attached PCI devices in the outer loop, then over supported vendors/device IDs in the inner loop, the process would be much faster.
@ghost ghost assigned IanSeyler Jul 26, 2012
ReturnInfinity pushed a commit that referenced this issue Jul 26, 2012
Fix for Issue #22
e8d1513 
Change init_net to search for an Ethernet device before comparing
against known supported devices.
Removed the os_pci_find_device function as it is no longer needed.
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Should be resolved now. Thanks for pointing this out.

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