Re: [dpdk-dev] [PATCH v6] arch/arm: optimization for memcpy on ARM64

2018-01-20 Thread Thomas Monjalon
19/01/2018 07:10, Herbert Guan: > This patch provides an option to do rte_memcpy() using 'restrict' > qualifier, which can induce GCC to do optimizations by using more > efficient instructions, providing some performance gain over memcpy() > on some ARM64 platforms/enviroments. > > The memory copy

[dpdk-dev] [PATCH v6] arch/arm: optimization for memcpy on ARM64

2018-01-18 Thread Herbert Guan
This patch provides an option to do rte_memcpy() using 'restrict' qualifier, which can induce GCC to do optimizations by using more efficient instructions, providing some performance gain over memcpy() on some ARM64 platforms/enviroments. The memory copy performance differs between different ARM64