[dpdk-dev] [PATCH 0/2] Reduce DPDK initialization time
Zhihong Wang
zhihong.wang at intel.com
Sun Nov 22 20:13:33 CET 2015
This patch aims to reduce DPDK initialization time, which is important in cases such as micro service.
Changes are:
1. Reduce timer initialization time
2. Remove unnecessary hugepage zero-filling operations
With this patch:
1. Timer initialization time can be reduced by 4/10 second
2. Memory initialization time can be reduced nearly by half
The 2nd topic has been brought up before in this thread:
http://dpdk.org/dev/patchwork/patch/4219/
--------------
Changes in v1:
1. Use macro in sleep time initialization
2. Update commit message according to code change
--------------
Changes in RFC v2:
1. Use MAP_POPULATE flag to populate page tables
2. Add comments to avoid future misunderstanding
Zhihong Wang (2):
lib/librte_eal: Reduce timer initialization time
lib/librte_eal: Remove unnecessary hugepage zero-filling
lib/librte_eal/linuxapp/eal/eal_memory.c | 20 ++++++--------------
lib/librte_eal/linuxapp/eal/eal_timer.c | 2 +-
2 files changed, 7 insertions(+), 15 deletions(-)
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2.5.0
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