DPDK patches and discussions
 help / color / mirror / Atom feed
From: Pawel Wodkowski <pawelx.wodkowski@intel.com>
To: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] Clean up rte_memcpy.h file
Date: Wed, 15 Apr 2015 08:32:27 +0200	[thread overview]
Message-ID: <552E05FB.30504@intel.com> (raw)
In-Reply-To: <1429047113-11688-1-git-send-email-rkerur@gmail.com>

On 2015-04-14 23:31, Ravi Kerur wrote:
> +
> +		for (i = 0; i < 8; i++) {
> +			ymm = _mm256_loadu_si256((const __m256i *)(src + i * 32));
> +			_mm256_storeu_si256((__m256i *)(dst + i * 32), ymm);
> +		}
> +
>   		n -= 256;
> -		ymm1 = _mm256_loadu_si256((const __m256i *)((const uint8_t *)src + 1 * 32));
> -		ymm2 = _mm256_loadu_si256((const __m256i *)((const uint8_t *)src + 2 * 32));
> -		ymm3 = _mm256_loadu_si256((const __m256i *)((const uint8_t *)src + 3 * 32));
> -		ymm4 = _mm256_loadu_si256((const __m256i *)((const uint8_t *)src + 4 * 32));
> -		ymm5 = _mm256_loadu_si256((const __m256i *)((const uint8_t *)src + 5 * 32));
> -		ymm6 = _mm256_loadu_si256((const __m256i *)((const uint8_t *)src + 6 * 32));
> -		ymm7 = _mm256_loadu_si256((const __m256i *)((const uint8_t *)src + 7 * 32));
> -		src = (const uint8_t *)src + 256;
> -		_mm256_storeu_si256((__m256i *)((uint8_t *)dst + 0 * 32), ymm0);
> -		_mm256_storeu_si256((__m256i *)((uint8_t *)dst + 1 * 32), ymm1);
> -		_mm256_storeu_si256((__m256i *)((uint8_t *)dst + 2 * 32), ymm2);
> -		_mm256_storeu_si256((__m256i *)((uint8_t *)dst + 3 * 32), ymm3);
> -		_mm256_storeu_si256((__m256i *)((uint8_t *)dst + 4 * 32), ymm4);
> -		_mm256_storeu_si256((__m256i *)((uint8_t *)dst + 5 * 32), ymm5);
> -		_mm256_storeu_si256((__m256i *)((uint8_t *)dst + 6 * 32), ymm6);
> -		_mm256_storeu_si256((__m256i *)((uint8_t *)dst + 7 * 32), ymm7);
> -		dst = (uint8_t *)dst + 256;
> +		src = src + 256;
> +		dst = dst + 256;
>   	}

Did you perform a performance test on that part?

-- 
Pawel

  parent reply	other threads:[~2015-04-15  6:32 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-14 21:30 [dpdk-dev] [PATCH] Cleanup rte_memcpy.h Ravi Kerur
2015-04-14 21:31 ` [dpdk-dev] [PATCH] Clean up rte_memcpy.h file Ravi Kerur
2015-04-15  2:53   ` Stephen Hemminger
2015-04-15 21:04     ` Ravi Kerur
2015-04-15  6:32   ` Pawel Wodkowski [this message]
2015-04-15 21:00     ` Ravi Kerur

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=552E05FB.30504@intel.com \
    --to=pawelx.wodkowski@intel.com \
    --cc=dev@dpdk.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).