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authorNeale Ranns <nranns@cisco.com>2017-11-25 15:20:26 -0800
committerDamjan Marion <dmarion.lists@gmail.com>2017-11-26 19:16:30 +0000
commit84517cfd1508f6da24937f310f7fffe752f22584 (patch)
treed26e98ec23ddf2cdcc573b39650a49c890ca2bd7 /src/vnet/flow/flow_report_classify.h
parent630b9741659b9a4b68c64ebbeb675761c6f26842 (diff)
FIB: optimise for src memory allocations
Most FIB entries will only ever have one source providing forwarding information. Currently the source infom is stored in a vector of sources on the FIB entry. Change this to a union of one source inline and a vector. This saves the need to alloc a vector of sources for each FIB entry. before: vpp# ip route add count 1500000 1.0.0.1/32 via 10.10.10.2 loop0 4.392857e5 routes/sec vpp# ip route del count 1500000 1.0.0.1/32 via 10.10.10.2 loop0 9.175464e5 routes/sec vpp# ip route add count 1500000 1.0.0.1/32 via 10.10.10.2 loop0 5.193375e5 routes/sec vpp# sh fib mem FIB memory Name Size in-use /allocated totals Entry 72 1500011/ 1500011 108000792/108000792 Entry Source 32 1500011/ 1500011 48000352/48000352 after: vpp# ip route add count 1500000 1.0.0.1/32 via 10.10.10.2 loop0 4.726560e5 routes/sec vpp# ip route del count 1500000 1.0.0.1/32 via 10.10.10.2 loop0 1.041629e6 routes/sec vpp# ip route add count 1500000 1.0.0.1/32 via 10.10.10.2 loop0 5.702895e5 routes/sec vpp# sh fib mem FIB memory Name Size in-use /allocated totals Entry 96 1500011/ 1500011 144001056/144001056 Entry Source 32 0 / 0 0/0 Change-Id: Ic71e413eaff1ec152656beda3b94186f7894ea49 Signed-off-by: Neale Ranns <nranns@cisco.com>
Diffstat (limited to 'src/vnet/flow/flow_report_classify.h')
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