Hello,
Stephen Hemminger wrote (Sun, 16 Jan 2022 08:32:20 -0800):
> I would propose that DPDK have same kind of define as the kernel
> for SAFE_UNALIGNED_ACCESS. The C standard has to apply to all architectures
> but DPDK will make the choice to be fast rather than standards conformant.
perhaps
Hello,
On Fri, Oct 15, 2021 at 04:39:02PM +0200, Olivier Matz wrote:
> On Sat, Sep 18, 2021 at 01:49:30PM +0200, Georg Sauthoff wrote:
> > That means a superfluous cast is removed and aliasing through a uint8_t
> > pointer is eliminated. Note that uint8_t doesn't have the same
Hello,
On Sat, Oct 16, 2021 at 10:21:03AM +0200, Morten Brørup wrote:
> I have given this some more thoughts.
>
> Most bytes transferred in real life are transferred in large packets,
> so faster processing of large packets is a great improvement!
>
> Furthermore, a quick analysis of a recent pa
rsion
is half as big as the existing one.
Signed-off-by: Georg Sauthoff
---
v2:
* Reword commit message (detail aliasing implications of uint8_t)
* Add unlikely()
Georg Sauthoff (1):
net: fix aliasing issue in checksum computation
lib/net/rte_ip.h | 27 ---
1 fi
r can speed up (i.e.
auto-vectorize) it in a similar way. For example, GCC auto-vectorizes it
for Haswell using AVX registers while halving the number of instructions
in the generated code.
Signed-off-by: Georg Sauthoff
---
lib/net/rte_ip.h | 27 ---
1 file changed, 8 inser
rsion
is half as big as the existing one.
Georg Sauthoff (1):
net: fix aliasing issue in checksum computation
lib/net/rte_ip.h | 27 ---
1 file changed, 8 insertions(+), 19 deletions(-)
--
2.31.1
. For example, GCC auto-vectorizes it
for Haswell using AVX registers while halving the number of instructions
in the generated code.
Signed-off-by: Georg Sauthoff
---
lib/net/rte_ip.h | 27 ---
1 file changed, 8 insertions(+), 19 deletions(-)
diff --git a/lib/net/rte_ip.h b/li
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