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eb16933aa5
A few adjustments in nft_pipapo_init() are needed to allow usage of
this set back-end for a single, ranged field.
Provide a convenient NFT_PIPAPO_MIN_FIELDS definition that currently
makes sure that the rbtree back-end is selected instead, for sets
with a single field.
This finally allows a fair comparison with rbtree sets, by defining
NFT_PIPAPO_MIN_FIELDS as 0 and skipping rbtree back-end initialisation:
---------------.--------------------------.-------------------------.
AMD Epyc 7402 | baselines, Mpps | Mpps, % over rbtree |
1 thread |__________________________|_________________________|
3.35GHz | | | | | |
768KiB L1D$ | netdev | hash | rbtree | | pipapo |
---------------| hook | no | single | pipapo |single field|
type entries | drop | ranges | field |single field| AVX2 |
---------------|--------|--------|--------|------------|------------|
net,port | | | | | |
1000 | 19.0 | 10.4 | 3.8 | 6.0 +58% | 9.6 +153% |
---------------|--------|--------|--------|------------|------------|
port,net | | | | | |
100 | 18.8 | 10.3 | 5.8 | 9.1 +57% |11.6 +100% |
---------------|--------|--------|--------|------------|------------|
net6,port | | | | | |
1000 | 16.4 | 7.6 | 1.8 | 2.8 +55% | 6.5 +261% |
---------------|--------|--------|--------|------------|------------|
port,proto | | | | [1] | [1] |
30000 | 19.6 | 11.6 | 3.9 | 0.9 -77% | 2.7 -31% |
---------------|--------|--------|--------|------------|------------|
port,proto | | | | | |
10000 | 19.6 | 11.6 | 4.4 | 2.1 -52% | 5.6 +27% |
---------------|--------|--------|--------|------------|------------|
port,proto | | | | | |
4 threads 10000| 77.9 | 45.1 | 17.4 | 8.3 -52% |22.4 +29% |
---------------|--------|--------|--------|------------|------------|
net6,port,mac | | | | | |
10 | 16.5 | 5.4 | 4.3 | 4.5 +5% | 8.2 +91% |
---------------|--------|--------|--------|------------|------------|
net6,port,mac, | | | | | |
proto 1000 | 16.5 | 5.7 | 1.9 | 2.8 +47% | 6.6 +247% |
---------------|--------|--------|--------|------------|------------|
net,mac | | | | | |
1000 | 19.0 | 8.4 | 3.9 | 6.0 +54% | 9.9 +154% |
---------------'--------'--------'--------'------------'------------'
[1] Causes switch of lookup table buckets for 'port' to 4-bit groups
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.