From patchwork Thu Feb 23 08:49:19 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Matthias Kretz X-Patchwork-Id: 1746689 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org (client-ip=2620:52:3:1:0:246e:9693:128c; helo=sourceware.org; envelope-from=gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.a=rsa-sha256 header.s=default header.b=be0dCikK; dkim-atps=neutral Received: from sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4PMmyR5K1yz245y for ; Thu, 23 Feb 2023 19:53:19 +1100 (AEDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id B7B01383904C for ; Thu, 23 Feb 2023 08:53:17 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org B7B01383904C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1677142397; bh=avctxvSsI8FjJ9QV3WjKxl9isZBLysElMayo8LCnpR8=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To: From; b=be0dCikKz3boythfcTLXjq/l9avQxddO4GefdUnX1EuK818ogAyQVDkLUpHbnwqWf nlPoOVb1OamfcfQ2gQAzMrVxSSwbUa8CBluTmn50AzARs9cFsOM0R09Ge2xR/iaPl/ cA48dcC2A1WoPOkXxtb7gX/cr1LhKjl+qcTeFjug= X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from lxmtout2.gsi.de (lxmtout2.gsi.de [140.181.3.112]) by sourceware.org (Postfix) with ESMTPS id D2BE2385800C; Thu, 23 Feb 2023 08:50:54 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org D2BE2385800C Received: from localhost (localhost [127.0.0.1]) by lxmtout2.gsi.de (Postfix) with ESMTP id 13301203E7FB; Thu, 23 Feb 2023 09:50:54 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at lxmtout2.gsi.de Received: from lxmtout2.gsi.de ([127.0.0.1]) by localhost (lxmtout2.gsi.de [127.0.0.1]) (amavisd-new, port 10024) with LMTP id ptzrUIRya55C; Thu, 23 Feb 2023 09:50:53 +0100 (CET) Received: from srvEX6.campus.gsi.de (unknown [10.10.4.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lxmtout2.gsi.de (Postfix) with ESMTPS id ED91D2027E3F; Thu, 23 Feb 2023 09:50:53 +0100 (CET) Received: from minbar.localnet (140.181.3.12) by srvEX6.campus.gsi.de (10.10.4.96) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.25; Thu, 23 Feb 2023 09:50:53 +0100 To: , Subject: [PATCH 1/8] libstdc++: Simplify three helper functions into one Date: Thu, 23 Feb 2023 09:49:19 +0100 Message-ID: <7492903.EvYhyI6sBW@minbar> Organization: GSI Helmholtz Centre for Heavy Ion Research In-Reply-To: <2218250.iZASKD2KPV@minbar> References: <2218250.iZASKD2KPV@minbar> MIME-Version: 1.0 X-Originating-IP: [140.181.3.12] X-ClientProxiedBy: srvex5.Campus.gsi.de (10.10.4.95) To srvEX6.campus.gsi.de (10.10.4.96) X-Spam-Status: No, score=-10.2 required=5.0 tests=BAYES_00, BODY_8BITS, GIT_PATCH_0, KAM_DMARC_STATUS, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Matthias Kretz via Gcc-patches From: Matthias Kretz Reply-To: Matthias Kretz Errors-To: gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org Sender: "Gcc-patches" Broadcast is a very common function. This should reduce compile-time effort. Signed-off-by: Matthias Kretz libstdc++-v3/ChangeLog: PR libstdc++/108030 * include/experimental/bits/simd.h (__vector_broadcast): Implement via __vector_broadcast_impl instead of __call_with_n_evaluations + 2 lambdas. (__vector_broadcast_impl): New. --- libstdc++-v3/include/experimental/bits/simd.h | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) -- ────────────────────────────────────────────────────────────────────────── Dr. Matthias Kretz https://mattkretz.github.io GSI Helmholtz Centre for Heavy Ion Research https://gsi.de stdₓ::simd ────────────────────────────────────────────────────────────────────────── diff --git a/libstdc++-v3/include/experimental/bits/simd.h b/libstdc++-v3/include/experimental/bits/simd.h index 2f615d13b73..7482d109291 100644 --- a/libstdc++-v3/include/experimental/bits/simd.h +++ b/libstdc++-v3/include/experimental/bits/simd.h @@ -1798,15 +1798,15 @@ __to_intrin(_Tp __x) // }}} // __vector_broadcast{{{ +template + _GLIBCXX_SIMD_INTRINSIC constexpr __vector_type_t<_Tp, _Np> + __vector_broadcast_impl(_Tp __x, index_sequence<_I...>) + { return __vector_type_t<_Tp, _Np>{((void)_I, __x)...}; } + template _GLIBCXX_SIMD_INTRINSIC constexpr __vector_type_t<_Tp, _Np> __vector_broadcast(_Tp __x) - { - return __call_with_n_evaluations<_Np>( - [](auto... __xx) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA { - return __vector_type_t<_Tp, _Np>{__xx...}; - }, [&__x](int) _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA { return __x; }); - } + { return __vector_broadcast_impl<_Np, _Tp>(__x, make_index_sequence<_Np>()); } // }}} // __generate_vector{{{ From patchwork Thu Feb 23 08:49:29 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Matthias Kretz X-Patchwork-Id: 1746686 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org (client-ip=8.43.85.97; helo=sourceware.org; envelope-from=gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=) Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=gcc.gnu.org header.i=@gcc.gnu.org header.a=rsa-sha256 header.s=default header.b=Id0Gslz9; dkim-atps=neutral Received: from sourceware.org (server2.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4PMmxK4g72z245y for ; 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Thu, 23 Feb 2023 09:50:53 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at lxmtout2.gsi.de Received: from lxmtout2.gsi.de ([127.0.0.1]) by localhost (lxmtout2.gsi.de [127.0.0.1]) (amavisd-new, port 10024) with LMTP id f6SPiRUlsljK; Thu, 23 Feb 2023 09:50:53 +0100 (CET) Received: from srvEX6.campus.gsi.de (unknown [10.10.4.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lxmtout2.gsi.de (Postfix) with ESMTPS id 5AA5F203E7FB; Thu, 23 Feb 2023 09:50:53 +0100 (CET) Received: from minbar.localnet (140.181.3.12) by srvEX6.campus.gsi.de (10.10.4.96) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.25; Thu, 23 Feb 2023 09:50:53 +0100 To: , Subject: [PATCH 2/8] libstdc++: Fix simd build failure on clang Date: Thu, 23 Feb 2023 09:49:29 +0100 Message-ID: <3152270.5fSG56mABF@minbar> Organization: GSI Helmholtz Centre for Heavy Ion Research In-Reply-To: <2218250.iZASKD2KPV@minbar> References: <2218250.iZASKD2KPV@minbar> MIME-Version: 1.0 X-Originating-IP: [140.181.3.12] X-ClientProxiedBy: srvex5.Campus.gsi.de (10.10.4.95) To srvEX6.campus.gsi.de (10.10.4.96) X-Spam-Status: No, score=-10.1 required=5.0 tests=BAYES_00, BODY_8BITS, GIT_PATCH_0, KAM_DMARC_STATUS, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Matthias Kretz via Gcc-patches From: Matthias Kretz Reply-To: Matthias Kretz Errors-To: gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org Sender: "Gcc-patches" Clang does not support __attribute__ on lambdas. Therefore, only set _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA if __clang__ is not defined. Signed-off-by: Matthias Kretz libstdc++-v3/ChangeLog: PR libstdc++/108030 * include/experimental/bits/simd_detail.h (_GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA): Define as empty for __clang__. --- libstdc++-v3/include/experimental/bits/simd_detail.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) -- ────────────────────────────────────────────────────────────────────────── Dr. Matthias Kretz https://mattkretz.github.io GSI Helmholtz Centre for Heavy Ion Research https://gsi.de stdₓ::simd ────────────────────────────────────────────────────────────────────────── diff --git a/libstdc++-v3/include/experimental/bits/simd_detail.h b/libstdc++-v3/include/experimental/bits/simd_detail.h index a0ad10efe0f..30cc1ef0eef 100644 --- a/libstdc++-v3/include/experimental/bits/simd_detail.h +++ b/libstdc++-v3/include/experimental/bits/simd_detail.h @@ -254,15 +254,16 @@ namespace experimental #ifdef __clang__ #define _GLIBCXX_SIMD_NORMAL_MATH +#define _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA #else #define _GLIBCXX_SIMD_NORMAL_MATH \ [[__gnu__::__optimize__("finite-math-only,no-signed-zeros")]] +#define _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA __attribute__((__always_inline__)) #endif #define _GLIBCXX_SIMD_NEVER_INLINE [[__gnu__::__noinline__]] #define _GLIBCXX_SIMD_INTRINSIC \ [[__gnu__::__always_inline__, __gnu__::__artificial__]] inline #define _GLIBCXX_SIMD_ALWAYS_INLINE [[__gnu__::__always_inline__]] inline -#define _GLIBCXX_SIMD_ALWAYS_INLINE_LAMBDA __attribute__((__always_inline__)) #define _GLIBCXX_SIMD_IS_UNLIKELY(__x) __builtin_expect(__x, 0) #define _GLIBCXX_SIMD_IS_LIKELY(__x) __builtin_expect(__x, 1) From patchwork Thu Feb 23 08:49:43 2023 Content-Type: text/plain; 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Thu, 23 Feb 2023 09:50:52 +0100 (CET) Received: from srvEX6.campus.gsi.de (unknown [10.10.4.96]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lxmtout2.gsi.de (Postfix) with ESMTPS id AE230203E7FB; Thu, 23 Feb 2023 09:50:52 +0100 (CET) Received: from minbar.localnet (140.181.3.12) by srvEX6.campus.gsi.de (10.10.4.96) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.25; Thu, 23 Feb 2023 09:50:52 +0100 To: , Subject: [PATCH 3/8] libstdc++: More efficient masked inc-/decrement implementation Date: Thu, 23 Feb 2023 09:49:43 +0100 Message-ID: <1944554.usQuhbGJ8B@minbar> Organization: GSI Helmholtz Centre for Heavy Ion Research In-Reply-To: <2218250.iZASKD2KPV@minbar> References: <2218250.iZASKD2KPV@minbar> MIME-Version: 1.0 X-Originating-IP: [140.181.3.12] X-ClientProxiedBy: srvEX8.Campus.gsi.de (10.10.4.160) To srvEX6.campus.gsi.de (10.10.4.96) X-Spam-Status: No, score=-10.1 required=5.0 tests=BAYES_00, BODY_8BITS, GIT_PATCH_0, KAM_DMARC_STATUS, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Matthias Kretz via Gcc-patches From: Matthias Kretz Reply-To: Matthias Kretz Errors-To: gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org Sender: "Gcc-patches" Signed-off-by: Matthias Kretz libstdc++-v3/ChangeLog: PR libstdc++/108856 * include/experimental/bits/simd_builtin.h (_SimdImplBuiltin::_S_masked_unary): More efficient implementation of masked inc-/decrement for integers and floats without AVX2. * include/experimental/bits/simd_x86.h (_SimdImplX86::_S_masked_unary): New. Use AVX512 masked subtract builtins for masked inc-/decrement. --- .../include/experimental/bits/simd_builtin.h | 27 +++++++- .../include/experimental/bits/simd_x86.h | 68 +++++++++++++++++++ 2 files changed, 93 insertions(+), 2 deletions(-) -- ────────────────────────────────────────────────────────────────────────── Dr. Matthias Kretz https://mattkretz.github.io GSI Helmholtz Centre for Heavy Ion Research https://gsi.de stdₓ::simd ────────────────────────────────────────────────────────────────────────── diff --git a/libstdc++-v3/include/experimental/bits/simd_builtin.h b/libstdc++-v3/include/experimental/bits/simd_builtin.h index 792439a81bf..4a4de4534f3 100644 --- a/libstdc++-v3/include/experimental/bits/simd_builtin.h +++ b/libstdc++-v3/include/experimental/bits/simd_builtin.h @@ -2546,8 +2546,31 @@ _S_masked_unary(const _SimdWrapper<_K, _Np> __k, _Op __op; if (__k._M_is_constprop_all_of()) return __data(__op(__vv)); - else - return _CommonImpl::_S_blend(__k, __v, __data(__op(__vv))); + else if constexpr (is_same_v<_Op, __increment>) + { + static_assert(not std::is_same_v<_K, bool>); + if constexpr (is_integral_v<_Tp>) + // Take a shortcut knowing that __k is an integer vector with values -1 or 0. + return __v._M_data - __vector_bitcast<_Tp>(__k._M_data); + else if constexpr (not __have_avx2) + return __v._M_data + + __vector_bitcast<_Tp>(__k._M_data & __builtin_bit_cast( + _K, _Tp(1))); + // starting with AVX2 it is more efficient to blend after add + } + else if constexpr (is_same_v<_Op, __decrement>) + { + static_assert(not std::is_same_v<_K, bool>); + if constexpr (is_integral_v<_Tp>) + // Take a shortcut knowing that __k is an integer vector with values -1 or 0. + return __v._M_data + __vector_bitcast<_Tp>(__k._M_data); + else if constexpr (not __have_avx2) + return __v._M_data + - __vector_bitcast<_Tp>(__k._M_data & __builtin_bit_cast( + _K, _Tp(1))); + // starting with AVX2 it is more efficient to blend after sub + } + return _CommonImpl::_S_blend(__k, __v, __data(__op(__vv))); } //}}}2 diff --git a/libstdc++-v3/include/experimental/bits/simd_x86.h b/libstdc++-v3/include/experimental/bits/simd_x86.h index dcfdc2a9496..897a67829d1 100644 --- a/libstdc++-v3/include/experimental/bits/simd_x86.h +++ b/libstdc++-v3/include/experimental/bits/simd_x86.h @@ -3462,6 +3462,74 @@ _S_islessgreater(_SimdWrapper<_Tp, _Np> __x, _SimdWrapper<_Tp, _Np> __y) } //}}} }}} + template