From: Pawel Wodkowski <pawelx.wodkowski-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
To: dev-VfR2kkLFssw@public.gmane.org
Subject: Re: [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-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
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
next prev 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 [PATCH] Cleanup rte_memcpy.h Ravi Kerur
[not found] ` <1429047011-11545-1-git-send-email-rkerur-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-04-14 21:31 ` [PATCH] Clean up rte_memcpy.h file Ravi Kerur
[not found] ` <1429047113-11688-1-git-send-email-rkerur-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2015-04-15 2:53 ` Stephen Hemminger
2015-04-15 21:04 ` Ravi Kerur
2015-04-15 6:32 ` Pawel Wodkowski [this message]
[not found] ` <552E05FB.30504-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
2015-04-15 21:00 ` Ravi Kerur
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