From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id DE3DEA0C58; Mon, 23 Aug 2021 17:21:38 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id C6934411A7; Mon, 23 Aug 2021 17:21:38 +0200 (CEST) Received: from mail-io1-f51.google.com (mail-io1-f51.google.com [209.85.166.51]) by mails.dpdk.org (Postfix) with ESMTP id 8D7C44119F for ; Mon, 23 Aug 2021 17:21:37 +0200 (CEST) Received: by mail-io1-f51.google.com with SMTP id z1so22275130ioh.7 for ; Mon, 23 Aug 2021 08:21:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=vhzNLW8f/38/2RA9GJLq1r81mVH5npf6/n7FjldTLWI=; b=REycLkUs9OdZLoMZFv8U1HUAVtUfrbZkAqHhWeBIcvqFn3zyi/BNnCSCWsjGlP1cWW atdrmcSyEVEQRFmWZWsAKaOz3cPn9I9vk3o/SlndC5BhZVfXv5SR3vF7TIBUlMRtBMJf tOfwF4ZEAJ5hAj0mHG0+NrM3cK39cA4qGl8TB+UCVuLQCcdx/CLT+qYuJs2nNaEH/6rm v979NJDiLQbKsPqtWt2MJXM0i+YG4NTqwUepbtGHTFl6VXrbIp0Pyesr0sUPNGGodqd1 VnBzsv39/y0Ne5kirOMIZ/q6mCajx6wKWvnJlHRRp1mETqklHZRxPqWTHjoHtfQsr+Tc 0ilw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=vhzNLW8f/38/2RA9GJLq1r81mVH5npf6/n7FjldTLWI=; b=Gf1mFFizX71+eoKlD7pTEAF/qAYXX3aO3G7BUm7BXukdEtBreWbEkk5gi6eUGVUPNq VviYgTaQXLut5+BC1FkvDGMXaEG5AKJ10H7E2sX3YPyMoR4IKOBvqWNRWYVXIsVElx3w AS47MuZ9ARJtvMRitobwDJa40Q9IagAL2nVCwhOmORUAw/movQiQmykqhfDH7UIvreIU isvY7NMm8zPogAvUgDmEWxSoupFTGfU2HyOmbZUV4+6zZ9BlWnVXtDckfcuMeggpFbwk IHSx3cm3ErO/lT7GezWSeBjJze7A8EOtLiJM111lmWWGdQ20gV4wacKz1vhSHVhqAFOm aL+g== X-Gm-Message-State: AOAM530mcnTkP/IVO2pFRfb00BaZTGLbu44WMQ2APkmTE+nSntKtJijH jwluOVGvN5zYaC5rBtRQkvGt04plsyGl+aBwfdU= X-Google-Smtp-Source: ABdhPJzDH4TNhtRNA1hp+JfjVCn0m3hYdJtXVrVUEokMV0vseWLt80zMM3F/ms7RLDjDtnRqQ/8kwJvrYZ+rtVynLqc= X-Received: by 2002:a05:6638:3465:: with SMTP id q37mr29952907jav.113.1629732096793; Mon, 23 Aug 2021 08:21:36 -0700 (PDT) MIME-Version: 1.0 References: <20210823084411.29592-1-aman.kumar@vvdntech.in> In-Reply-To: <20210823084411.29592-1-aman.kumar@vvdntech.in> From: Jerin Jacob Date: Mon, 23 Aug 2021 20:51:10 +0530 Message-ID: To: Aman Kumar Cc: dpdk-dev , Raslan Darawsheh , Asaf Penso , shys@nvidia.com, Viacheslav Ovsiienko , Alexander Kozyrev , Matan Azrad , Anatoly Burakov , keesang.song@amd.com Content-Type: text/plain; charset="UTF-8" Subject: Re: [dpdk-dev] [PATCH 1/2] lib/eal: add amd epyc2 memcpy routine to eal X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" On Mon, Aug 23, 2021 at 2:14 PM Aman Kumar wrote: > > This patch provides rte_memcpy* calls optimized for > AMD EPYC Gen2 platforms. This option is disabled by > default and can be enabled by defining 'rte_memcpy_amdepyc2' Generic options should support all the architectures. Another more scalable alternative is to introduce config/x86/x86_amd_epyc2 and new parameter under [properties] > in the meson build. > > Signed-off-by: Aman Kumar > --- > lib/eal/x86/include/meson.build | 1 + > lib/eal/x86/include/rte_memcpy.h | 502 +++++++++++++++++++++++++++++++ > meson_options.txt | 2 + > 3 files changed, 505 insertions(+) > > diff --git a/lib/eal/x86/include/meson.build b/lib/eal/x86/include/meson.build > index 12c2e00035..a03683779d 100644 > --- a/lib/eal/x86/include/meson.build > +++ b/lib/eal/x86/include/meson.build > @@ -27,3 +27,4 @@ arch_indirect_headers = files( > ) > install_headers(arch_headers + arch_indirect_headers, subdir: get_option('include_subdir_arch')) > dpdk_chkinc_headers += arch_headers > +dpdk_conf.set('RTE_MEMCPY_AMDEPYC2', get_option('rte_memcpy_amdepyc2')) > diff --git a/lib/eal/x86/include/rte_memcpy.h b/lib/eal/x86/include/rte_memcpy.h > index 79f381dd9b..47dda9cb87 100644 > --- a/lib/eal/x86/include/rte_memcpy.h > +++ b/lib/eal/x86/include/rte_memcpy.h > @@ -368,6 +368,498 @@ rte_mov128blocks(uint8_t *dst, const uint8_t *src, size_t n) > } > } > > +#if defined RTE_MEMCPY_AMDEPYC2 > + > +/** > + * Copy 16 bytes from one location to another, > + * with temporal stores > + */ > +static __rte_always_inline void > +rte_copy16_ts(uint8_t *dst, uint8_t *src) > +{ > + __m128i var128; > + > + var128 = _mm_stream_load_si128((__m128i *)src); > + _mm_storeu_si128((__m128i *)dst, var128); > +} > + > +/** > + * Copy 32 bytes from one location to another, > + * with temporal stores > + */ > +static __rte_always_inline void > +rte_copy32_ts(uint8_t *dst, uint8_t *src) > +{ > + __m256i ymm0; > + > + ymm0 = _mm256_stream_load_si256((const __m256i *)src); > + _mm256_storeu_si256((__m256i *)dst, ymm0); > +} > + > +/** > + * Copy 64 bytes from one location to another, > + * with temporal stores > + */ > +static __rte_always_inline void > +rte_copy64_ts(uint8_t *dst, uint8_t *src) > +{ > + rte_copy32_ts(dst + 0 * 32, src + 0 * 32); > + rte_copy32_ts(dst + 1 * 32, src + 1 * 32); > +} > + > +/** > + * Copy 128 bytes from one location to another, > + * with temporal stores > + */ > +static __rte_always_inline void > +rte_copy128_ts(uint8_t *dst, uint8_t *src) > +{ > + rte_copy32_ts(dst + 0 * 32, src + 0 * 32); > + rte_copy32_ts(dst + 1 * 32, src + 1 * 32); > + rte_copy32_ts(dst + 2 * 32, src + 2 * 32); > + rte_copy32_ts(dst + 3 * 32, src + 3 * 32); > +} > + > +/** > + * Copy len bytes from one location to another, > + * with temporal stores 16B aligned > + */ > +static __rte_always_inline void * > +rte_memcpy_aligned_tstore16_generic(void *dst, void *src, int len) > +{ > + void *dest = dst; > + > + while (len >= 128) { > + rte_copy128_ts((uint8_t *)dst, (uint8_t *)src); > + dst = (uint8_t *)dst + 128; > + src = (uint8_t *)src + 128; > + len -= 128; > + } > + while (len >= 64) { > + rte_copy64_ts((uint8_t *)dst, (uint8_t *)src); > + dst = (uint8_t *)dst + 64; > + src = (uint8_t *)src + 64; > + len -= 64; > + } > + while (len >= 32) { > + rte_copy32_ts((uint8_t *)dst, (uint8_t *)src); > + dst = (uint8_t *)dst + 32; > + src = (uint8_t *)src + 32; > + len -= 32; > + } > + if (len >= 16) { > + rte_copy16_ts((uint8_t *)dst, (uint8_t *)src); > + dst = (uint8_t *)dst + 16; > + src = (uint8_t *)src + 16; > + len -= 16; > + } > + if (len >= 8) { > + *(uint64_t *)dst = *(const uint64_t *)src; > + dst = (uint8_t *)dst + 8; > + src = (uint8_t *)src + 8; > + len -= 8; > + } > + if (len >= 4) { > + *(uint32_t *)dst = *(const uint32_t *)src; > + dst = (uint8_t *)dst + 4; > + src = (uint8_t *)src + 4; > + len -= 4; > + } > + if (len != 0) { > + dst = (uint8_t *)dst - (4 - len); > + src = (uint8_t *)src - (4 - len); > + *(uint32_t *)dst = *(const uint32_t *)src; > + } > + > + return dest; > +} > + > +static __rte_always_inline void * > +rte_memcpy_aligned_ntload_tstore16_amdepyc2(void *dst, > + const void *src, > + size_t size) > +{ > + asm volatile goto("movq %0, %%rsi\n\t" > + "movq %1, %%rdi\n\t" > + "movq %2, %%rdx\n\t" > + "cmpq $(128), %%rdx\n\t" > + "jb 202f\n\t" > + "201:\n\t" > + "vmovntdqa (%%rsi), %%ymm0\n\t" > + "vmovntdqa 32(%%rsi), %%ymm1\n\t" > + "vmovntdqa 64(%%rsi), %%ymm2\n\t" > + "vmovntdqa 96(%%rsi), %%ymm3\n\t" > + "vmovdqu %%ymm0, (%%rdi)\n\t" > + "vmovdqu %%ymm1, 32(%%rdi)\n\t" > + "vmovdqu %%ymm2, 64(%%rdi)\n\t" > + "vmovdqu %%ymm3, 96(%%rdi)\n\t" > + "addq $128, %%rsi\n\t" > + "addq $128, %%rdi\n\t" > + "subq $128, %%rdx\n\t" > + "jz %l[done]\n\t" > + "cmpq $128, %%rdx\n\t" /*Vector Size 32B. */ > + "jae 201b\n\t" > + "202:\n\t" > + "cmpq $64, %%rdx\n\t" > + "jb 203f\n\t" > + "vmovntdqa (%%rsi), %%ymm0\n\t" > + "vmovntdqa 32(%%rsi), %%ymm1\n\t" > + "vmovdqu %%ymm0, (%%rdi)\n\t" > + "vmovdqu %%ymm1, 32(%%rdi)\n\t" > + "addq $64, %%rsi\n\t" > + "addq $64, %%rdi\n\t" > + "subq $64, %%rdx\n\t" > + "jz %l[done]\n\t" > + "203:\n\t" > + "cmpq $32, %%rdx\n\t" > + "jb 204f\n\t" > + "vmovntdqa (%%rsi), %%ymm0\n\t" > + "vmovdqu %%ymm0, (%%rdi)\n\t" > + "addq $32, %%rsi\n\t" > + "addq $32, %%rdi\n\t" > + "subq $32, %%rdx\n\t" > + "jz %l[done]\n\t" > + "204:\n\t" > + "cmpb $16, %%dl\n\t" > + "jb 205f\n\t" > + "vmovntdqa (%%rsi), %%xmm0\n\t" > + "vmovdqu %%xmm0, (%%rdi)\n\t" > + "addq $16, %%rsi\n\t" > + "addq $16, %%rdi\n\t" > + "subq $16, %%rdx\n\t" > + "jz %l[done]\n\t" > + "205:\n\t" > + "cmpb $2, %%dl\n\t" > + "jb 208f\n\t" > + "cmpb $4, %%dl\n\t" > + "jbe 207f\n\t" > + "cmpb $8, %%dl\n\t" > + "jbe 206f\n\t" > + "movq -8(%%rsi,%%rdx), %%rcx\n\t" > + "movq (%%rsi), %%rsi\n\t" > + "movq %%rcx, -8(%%rdi,%%rdx)\n\t" > + "movq %%rsi, (%%rdi)\n\t" > + "jmp %l[done]\n\t" > + "206:\n\t" > + "movl -4(%%rsi,%%rdx), %%ecx\n\t" > + "movl (%%rsi), %%esi\n\t" > + "movl %%ecx, -4(%%rdi,%%rdx)\n\t" > + "movl %%esi, (%%rdi)\n\t" > + "jmp %l[done]\n\t" > + "207:\n\t" > + "movzwl -2(%%rsi,%%rdx), %%ecx\n\t" > + "movzwl (%%rsi), %%esi\n\t" > + "movw %%cx, -2(%%rdi,%%rdx)\n\t" > + "movw %%si, (%%rdi)\n\t" > + "jmp %l[done]\n\t" > + "208:\n\t" > + "movzbl (%%rsi), %%ecx\n\t" > + "movb %%cl, (%%rdi)" > + : > + : "r"(src), "r"(dst), "r"(size) > + : "rcx", "rdx", "rsi", "rdi", "ymm0", "ymm1", "ymm2", "ymm3", "memory" > + : done > + ); > +done: > + return dst; > +} > + > +static __rte_always_inline void * > +rte_memcpy_generic(void *dst, const void *src, size_t len) > +{ > + asm goto("movq %0, %%rsi\n\t" > + "movq %1, %%rdi\n\t" > + "movq %2, %%rdx\n\t" > + "movq %%rdi, %%rax\n\t" > + "cmp $32, %%rdx\n\t" > + "jb 101f\n\t" > + "cmp $(32 * 2), %%rdx\n\t" > + "ja 108f\n\t" > + "vmovdqu (%%rsi), %%ymm0\n\t" > + "vmovdqu -32(%%rsi,%%rdx), %%ymm1\n\t" > + "vmovdqu %%ymm0, (%%rdi)\n\t" > + "vmovdqu %%ymm1, -32(%%rdi,%%rdx)\n\t" > + "vzeroupper\n\t" > + "jmp %l[done]\n\t" > + "101:\n\t" > + /* Less than 1 VEC. */ > + "cmpb $32, %%dl\n\t" > + "jae 103f\n\t" > + "cmpb $16, %%dl\n\t" > + "jae 104f\n\t" > + "cmpb $8, %%dl\n\t" > + "jae 105f\n\t" > + "cmpb $4, %%dl\n\t" > + "jae 106f\n\t" > + "cmpb $1, %%dl\n\t" > + "ja 107f\n\t" > + "jb 102f\n\t" > + "movzbl (%%rsi), %%ecx\n\t" > + "movb %%cl, (%%rdi)\n\t" > + "102:\n\t" > + "jmp %l[done]\n\t" > + "103:\n\t" > + /* From 32 to 63. No branch when size == 32. */ > + "vmovdqu (%%rsi), %%ymm0\n\t" > + "vmovdqu -32(%%rsi,%%rdx), %%ymm1\n\t" > + "vmovdqu %%ymm0, (%%rdi)\n\t" > + "vmovdqu %%ymm1, -32(%%rdi,%%rdx)\n\t" > + "vzeroupper\n\t" > + "jmp %l[done]\n\t" > + /* From 16 to 31. No branch when size == 16. */ > + "104:\n\t" > + "vmovdqu (%%rsi), %%xmm0\n\t" > + "vmovdqu -16(%%rsi,%%rdx), %%xmm1\n\t" > + "vmovdqu %%xmm0, (%%rdi)\n\t" > + "vmovdqu %%xmm1, -16(%%rdi,%%rdx)\n\t" > + "jmp %l[done]\n\t" > + "105:\n\t" > + /* From 8 to 15. No branch when size == 8. */ > + "movq -8(%%rsi,%%rdx), %%rcx\n\t" > + "movq (%%rsi), %%rsi\n\t" > + "movq %%rcx, -8(%%rdi,%%rdx)\n\t" > + "movq %%rsi, (%%rdi)\n\t" > + "jmp %l[done]\n\t" > + "106:\n\t" > + /* From 4 to 7. No branch when size == 4. */ > + "movl -4(%%rsi,%%rdx), %%ecx\n\t" > + "movl (%%rsi), %%esi\n\t" > + "movl %%ecx, -4(%%rdi,%%rdx)\n\t" > + "movl %%esi, (%%rdi)\n\t" > + "jmp %l[done]\n\t" > + "107:\n\t" > + /* From 2 to 3. No branch when size == 2. */ > + "movzwl -2(%%rsi,%%rdx), %%ecx\n\t" > + "movzwl (%%rsi), %%esi\n\t" > + "movw %%cx, -2(%%rdi,%%rdx)\n\t" > + "movw %%si, (%%rdi)\n\t" > + "jmp %l[done]\n\t" > + "108:\n\t" > + /* More than 2 * VEC and there may be overlap between destination */ > + /* and source. */ > + "cmpq $(32 * 8), %%rdx\n\t" > + "ja 111f\n\t" > + "cmpq $(32 * 4), %%rdx\n\t" > + "jb 109f\n\t" > + /* Copy from 4 * VEC to 8 * VEC, inclusively. */ > + "vmovdqu (%%rsi), %%ymm0\n\t" > + "vmovdqu 32(%%rsi), %%ymm1\n\t" > + "vmovdqu (32 * 2)(%%rsi), %%ymm2\n\t" > + "vmovdqu (32 * 3)(%%rsi), %%ymm3\n\t" > + "vmovdqu -32(%%rsi,%%rdx), %%ymm4\n\t" > + "vmovdqu -(32 * 2)(%%rsi,%%rdx), %%ymm5\n\t" > + "vmovdqu -(32 * 3)(%%rsi,%%rdx), %%ymm6\n\t" > + "vmovdqu -(32 * 4)(%%rsi,%%rdx), %%ymm7\n\t" > + "vmovdqu %%ymm0, (%%rdi)\n\t" > + "vmovdqu %%ymm1, 32(%%rdi)\n\t" > + "vmovdqu %%ymm2, (32 * 2)(%%rdi)\n\t" > + "vmovdqu %%ymm3, (32 * 3)(%%rdi)\n\t" > + "vmovdqu %%ymm4, -32(%%rdi,%%rdx)\n\t" > + "vmovdqu %%ymm5, -(32 * 2)(%%rdi,%%rdx)\n\t" > + "vmovdqu %%ymm6, -(32 * 3)(%%rdi,%%rdx)\n\t" > + "vmovdqu %%ymm7, -(32 * 4)(%%rdi,%%rdx)\n\t" > + "vzeroupper\n\t" > + "jmp %l[done]\n\t" > + "109:\n\t" > + /* Copy from 2 * VEC to 4 * VEC. */ > + "vmovdqu (%%rsi), %%ymm0\n\t" > + "vmovdqu 32(%%rsi), %%ymm1\n\t" > + "vmovdqu -32(%%rsi,%%rdx), %%ymm2\n\t" > + "vmovdqu -(32 * 2)(%%rsi,%%rdx), %%ymm3\n\t" > + "vmovdqu %%ymm0, (%%rdi)\n\t" > + "vmovdqu %%ymm1, 32(%%rdi)\n\t" > + "vmovdqu %%ymm2, -32(%%rdi,%%rdx)\n\t" > + "vmovdqu %%ymm3, -(32 * 2)(%%rdi,%%rdx)\n\t" > + "vzeroupper\n\t" > + "110:\n\t" > + "jmp %l[done]\n\t" > + "111:\n\t" > + "cmpq %%rsi, %%rdi\n\t" > + "ja 113f\n\t" > + /* Source == destination is less common. */ > + "je 110b\n\t" > + /* Load the first VEC and last 4 * VEC to > + * support overlapping addresses. > + */ > + "vmovdqu (%%rsi), %%ymm4\n\t" > + "vmovdqu -32(%%rsi, %%rdx), %%ymm5\n\t" > + "vmovdqu -(32 * 2)(%%rsi, %%rdx), %%ymm6\n\t" > + "vmovdqu -(32 * 3)(%%rsi, %%rdx), %%ymm7\n\t" > + "vmovdqu -(32 * 4)(%%rsi, %%rdx), %%ymm8\n\t" > + /* Save start and stop of the destination buffer. */ > + "movq %%rdi, %%r11\n\t" > + "leaq -32(%%rdi, %%rdx), %%rcx\n\t" > + /* Align destination for aligned stores in the loop. Compute */ > + /* how much destination is misaligned. */ > + "movq %%rdi, %%r8\n\t" > + "andq $(32 - 1), %%r8\n\t" > + /* Get the negative of offset for alignment. */ > + "subq $32, %%r8\n\t" > + /* Adjust source. */ > + "subq %%r8, %%rsi\n\t" > + /* Adjust destination which should be aligned now. */ > + "subq %%r8, %%rdi\n\t" > + /* Adjust length. */ > + "addq %%r8, %%rdx\n\t" > + /* Check non-temporal store threshold. */ > + "cmpq $(1024*1024), %%rdx\n\t" > + "ja 115f\n\t" > + "112:\n\t" > + /* Copy 4 * VEC a time forward. */ > + "vmovdqu (%%rsi), %%ymm0\n\t" > + "vmovdqu 32(%%rsi), %%ymm1\n\t" > + "vmovdqu (32 * 2)(%%rsi), %%ymm2\n\t" > + "vmovdqu (32 * 3)(%%rsi), %%ymm3\n\t" > + "addq $(32 * 4), %%rsi\n\t" > + "subq $(32 * 4), %%rdx\n\t" > + "vmovdqa %%ymm0, (%%rdi)\n\t" > + "vmovdqa %%ymm1, 32(%%rdi)\n\t" > + "vmovdqa %%ymm2, (32 * 2)(%%rdi)\n\t" > + "vmovdqa %%ymm3, (32 * 3)(%%rdi)\n\t" > + "addq $(32 * 4), %%rdi\n\t" > + "cmpq $(32 * 4), %%rdx\n\t" > + "ja 112b\n\t" > + /* Store the last 4 * VEC. */ > + "vmovdqu %%ymm5, (%%rcx)\n\t" > + "vmovdqu %%ymm6, -32(%%rcx)\n\t" > + "vmovdqu %%ymm7, -(32 * 2)(%%rcx)\n\t" > + "vmovdqu %%ymm8, -(32 * 3)(%%rcx)\n\t" > + /* Store the first VEC. */ > + "vmovdqu %%ymm4, (%%r11)\n\t" > + "vzeroupper\n\t" > + "jmp %l[done]\n\t" > + "113:\n\t" > + /* Load the first 4*VEC and last VEC to support overlapping addresses.*/ > + "vmovdqu (%%rsi), %%ymm4\n\t" > + "vmovdqu 32(%%rsi), %%ymm5\n\t" > + "vmovdqu (32 * 2)(%%rsi), %%ymm6\n\t" > + "vmovdqu (32 * 3)(%%rsi), %%ymm7\n\t" > + "vmovdqu -32(%%rsi,%%rdx), %%ymm8\n\t" > + /* Save stop of the destination buffer. */ > + "leaq -32(%%rdi, %%rdx), %%r11\n\t" > + /* Align destination end for aligned stores in the loop. Compute */ > + /* how much destination end is misaligned. */ > + "leaq -32(%%rsi, %%rdx), %%rcx\n\t" > + "movq %%r11, %%r9\n\t" > + "movq %%r11, %%r8\n\t" > + "andq $(32 - 1), %%r8\n\t" > + /* Adjust source. */ > + "subq %%r8, %%rcx\n\t" > + /* Adjust the end of destination which should be aligned now. */ > + "subq %%r8, %%r9\n\t" > + /* Adjust length. */ > + "subq %%r8, %%rdx\n\t" > + /* Check non-temporal store threshold. */ > + "cmpq $(1024*1024), %%rdx\n\t" > + "ja 117f\n\t" > + "114:\n\t" > + /* Copy 4 * VEC a time backward. */ > + "vmovdqu (%%rcx), %%ymm0\n\t" > + "vmovdqu -32(%%rcx), %%ymm1\n\t" > + "vmovdqu -(32 * 2)(%%rcx), %%ymm2\n\t" > + "vmovdqu -(32 * 3)(%%rcx), %%ymm3\n\t" > + "subq $(32 * 4), %%rcx\n\t" > + "subq $(32 * 4), %%rdx\n\t" > + "vmovdqa %%ymm0, (%%r9)\n\t" > + "vmovdqa %%ymm1, -32(%%r9)\n\t" > + "vmovdqa %%ymm2, -(32 * 2)(%%r9)\n\t" > + "vmovdqa %%ymm3, -(32 * 3)(%%r9)\n\t" > + "subq $(32 * 4), %%r9\n\t" > + "cmpq $(32 * 4), %%rdx\n\t" > + "ja 114b\n\t" > + /* Store the first 4 * VEC. */ > + "vmovdqu %%ymm4, (%%rdi)\n\t" > + "vmovdqu %%ymm5, 32(%%rdi)\n\t" > + "vmovdqu %%ymm6, (32 * 2)(%%rdi)\n\t" > + "vmovdqu %%ymm7, (32 * 3)(%%rdi)\n\t" > + /* Store the last VEC. */ > + "vmovdqu %%ymm8, (%%r11)\n\t" > + "vzeroupper\n\t" > + "jmp %l[done]\n\t" > + > + "115:\n\t" > + /* Don't use non-temporal store if there is overlap between */ > + /* destination and source since destination may be in cache */ > + /* when source is loaded. */ > + "leaq (%%rdi, %%rdx), %%r10\n\t" > + "cmpq %%r10, %%rsi\n\t" > + "jb 112b\n\t" > + "116:\n\t" > + /* Copy 4 * VEC a time forward with non-temporal stores. */ > + "prefetcht0 (32*4*2)(%%rsi)\n\t" > + "prefetcht0 (32*4*2 + 64)(%%rsi)\n\t" > + "prefetcht0 (32*4*3)(%%rsi)\n\t" > + "prefetcht0 (32*4*3 + 64)(%%rsi)\n\t" > + "vmovdqu (%%rsi), %%ymm0\n\t" > + "vmovdqu 32(%%rsi), %%ymm1\n\t" > + "vmovdqu (32 * 2)(%%rsi), %%ymm2\n\t" > + "vmovdqu (32 * 3)(%%rsi), %%ymm3\n\t" > + "addq $(32*4), %%rsi\n\t" > + "subq $(32*4), %%rdx\n\t" > + "vmovntdq %%ymm0, (%%rdi)\n\t" > + "vmovntdq %%ymm1, 32(%%rdi)\n\t" > + "vmovntdq %%ymm2, (32 * 2)(%%rdi)\n\t" > + "vmovntdq %%ymm3, (32 * 3)(%%rdi)\n\t" > + "addq $(32*4), %%rdi\n\t" > + "cmpq $(32*4), %%rdx\n\t" > + "ja 116b\n\t" > + "sfence\n\t" > + /* Store the last 4 * VEC. */ > + "vmovdqu %%ymm5, (%%rcx)\n\t" > + "vmovdqu %%ymm6, -32(%%rcx)\n\t" > + "vmovdqu %%ymm7, -(32 * 2)(%%rcx)\n\t" > + "vmovdqu %%ymm8, -(32 * 3)(%%rcx)\n\t" > + /* Store the first VEC. */ > + "vmovdqu %%ymm4, (%%r11)\n\t" > + "vzeroupper\n\t" > + "jmp %l[done]\n\t" > + "117:\n\t" > + /* Don't use non-temporal store if there is overlap between */ > + /* destination and source since destination may be in cache */ > + /* when source is loaded. */ > + "leaq (%%rcx, %%rdx), %%r10\n\t" > + "cmpq %%r10, %%r9\n\t" > + "jb 114b\n\t" > + "118:\n\t" > + /* Copy 4 * VEC a time backward with non-temporal stores. */ > + "prefetcht0 (-32 * 4 * 2)(%%rcx)\n\t" > + "prefetcht0 (-32 * 4 * 2 - 64)(%%rcx)\n\t" > + "prefetcht0 (-32 * 4 * 3)(%%rcx)\n\t" > + "prefetcht0 (-32 * 4 * 3 - 64)(%%rcx)\n\t" > + "vmovdqu (%%rcx), %%ymm0\n\t" > + "vmovdqu -32(%%rcx), %%ymm1\n\t" > + "vmovdqu -(32 * 2)(%%rcx), %%ymm2\n\t" > + "vmovdqu -(32 * 3)(%%rcx), %%ymm3\n\t" > + "subq $(32*4), %%rcx\n\t" > + "subq $(32*4), %%rdx\n\t" > + "vmovntdq %%ymm0, (%%r9)\n\t" > + "vmovntdq %%ymm1, -32(%%r9)\n\t" > + "vmovntdq %%ymm2, -(32 * 2)(%%r9)\n\t" > + "vmovntdq %%ymm3, -(32 * 3)(%%r9)\n\t" > + "subq $(32 * 4), %%r9\n\t" > + "cmpq $(32 * 4), %%rdx\n\t" > + "ja 118b\n\t" > + "sfence\n\t" > + /* Store the first 4 * VEC. */ > + "vmovdqu %%ymm4, (%%rdi)\n\t" > + "vmovdqu %%ymm5, 32(%%rdi)\n\t" > + "vmovdqu %%ymm6, (32 * 2)(%%rdi)\n\t" > + "vmovdqu %%ymm7, (32 * 3)(%%rdi)\n\t" > + /* Store the last VEC. */ > + "vmovdqu %%ymm8, (%%r11)\n\t" > + "vzeroupper\n\t" > + "jmp %l[done]" > + : > + : "r"(src), "r"(dst), "r"(len) > + : "rax", "rcx", "rdx", "rdi", "rsi", "r8", "r9", "r10", "r11", "r12", "ymm0", > + "ymm1", "ymm2", "ymm3", "ymm4", "ymm5", "ymm6", "ymm7", "ymm8", "memory" > + : done > + ); > +done: > + return dst; > +} > + > +#else > static __rte_always_inline void * > rte_memcpy_generic(void *dst, const void *src, size_t n) > { > @@ -479,6 +971,8 @@ rte_memcpy_generic(void *dst, const void *src, size_t n) > goto COPY_BLOCK_128_BACK31; > } > > +#endif /* RTE_MEMCPY_AMDEPYC2 */ > + > #else /* __AVX512F__ */ > > #define ALIGNMENT_MASK 0x0F > @@ -874,6 +1368,14 @@ rte_memcpy(void *dst, const void *src, size_t n) > return rte_memcpy_generic(dst, src, n); > } > > +#if defined __AVX2__ && defined(RTE_MEMCPY_AMDEPYC2) > +static __rte_always_inline void * > +rte_memcpy_aligned_tstore16(void *dst, void *src, int len) > +{ > + return rte_memcpy_aligned_ntload_tstore16_amdepyc2(dst, src, len); > +} > +#endif > + > #if defined(RTE_TOOLCHAIN_GCC) && (GCC_VERSION >= 100000) > #pragma GCC diagnostic pop > #endif > diff --git a/meson_options.txt b/meson_options.txt > index 0e92734c49..e232c9c340 100644 > --- a/meson_options.txt > +++ b/meson_options.txt > @@ -42,6 +42,8 @@ option('platform', type: 'string', value: 'native', description: > 'Platform to build, either "native", "generic" or a SoC. Please refer to the Linux build guide for more information.') > option('enable_trace_fp', type: 'boolean', value: false, description: > 'enable fast path trace points.') > +option('rte_memcpy_amdepyc2', type: 'boolean', value: false, description: > + 'to enable amd epyc memcpy routines') > option('tests', type: 'boolean', value: true, description: > 'build unit tests') > option('use_hpet', type: 'boolean', value: false, description: > -- > 2.25.1 >