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| author |   Ray Kinsella <ray.kinsella@intel.com> | 2017-04-21 11:08:43 +0100 |
|---|---|---|
| committer | Ray Kinsella <ray.kinsella@intel.com> | 2017-04-21 11:26:39 +0100 |
| commit | 658efd2fc986bca88336569b2e6fa8b537a660d8 (patch) | |
| tree | 281381215b1d9870b7963521baf17f870025ba36 /doxygen/dir.dox.sample | |
| parent | 2f2db1c2021c5aae564d2783a33366527afb5fce (diff) | |
vppinfra: clib_memcpy improvement
In the case where n is a constant 16 bytes, the second load/store is
ignored by the load/store unit - it has neglible/zero cost. In the case
where n is variable and greater than 512 bytes, the extra if (n == 16)
branch has a very small performance impact.
Change-Id: I04b313cf022c18fee31b1d9bcf6a128414659a99
Signed-off-by: Ray Kinsella <ray.kinsella@intel.com>
Diffstat (limited to 'doxygen/dir.dox.sample')
0 files changed, 0 insertions, 0 deletions