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huangweifeng
2026-10-22 09:23:54 +08:00
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third_party/eigen/test/unalignedcount.cpp
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// This file is part of Eigen, a lightweight C++ template library
// for linear algebra.
//
// Copyright (C) 2009 Gael Guennebaud <gael.guennebaud@inria.fr>
//
// This Source Code Form is subject to the terms of the Mozilla
// Public License v. 2.0. If a copy of the MPL was not distributed
// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
static int nb_load;
static int nb_loadu;
static int nb_store;
static int nb_storeu;
#define EIGEN_DEBUG_ALIGNED_LOAD \
{ nb_load++; }
#define EIGEN_DEBUG_UNALIGNED_LOAD \
{ nb_loadu++; }
#define EIGEN_DEBUG_ALIGNED_STORE \
{ nb_store++; }
#define EIGEN_DEBUG_UNALIGNED_STORE \
{ nb_storeu++; }
#define VERIFY_ALIGNED_UNALIGNED_COUNT(XPR, AL, UL, AS, US) \
{ \
nb_load = nb_loadu = nb_store = nb_storeu = 0; \
XPR; \
if (!(nb_load == AL && nb_loadu == UL && nb_store == AS && nb_storeu == US)) \
std::cerr << " >> " << nb_load << ", " << nb_loadu << ", " << nb_store << ", " << nb_storeu << "\n"; \
VERIFY((#XPR) && nb_load == AL && nb_loadu == UL && nb_store == AS && nb_storeu == US); \
}
#include "main.h"
EIGEN_DECLARE_TEST(unalignedcount) {
#if defined(EIGEN_VECTORIZE_AVX512)
VectorXf a(48), b(48);
a.fill(0);
b.fill(1);
VERIFY_ALIGNED_UNALIGNED_COUNT(a += b, 6, 0, 3, 0);
VERIFY_ALIGNED_UNALIGNED_COUNT(a.segment(0, 48) += b.segment(0, 48), 3, 3, 3, 0);
VERIFY_ALIGNED_UNALIGNED_COUNT(a.segment(0, 48) -= b.segment(0, 48), 3, 3, 3, 0);
VERIFY_ALIGNED_UNALIGNED_COUNT(a.segment(0, 48) *= 3.5, 3, 0, 3, 0);
VERIFY_ALIGNED_UNALIGNED_COUNT(a.segment(0, 48) /= 3.5, 3, 0, 3, 0);
#elif defined(EIGEN_VECTORIZE_AVX)
VectorXf a(40), b(40);
a.fill(0);
b.fill(1);
VERIFY_ALIGNED_UNALIGNED_COUNT(a += b, 10, 0, 5, 0);
VERIFY_ALIGNED_UNALIGNED_COUNT(a.segment(0, 40) += b.segment(0, 40), 5, 5, 5, 0);
VERIFY_ALIGNED_UNALIGNED_COUNT(a.segment(0, 40) -= b.segment(0, 40), 5, 5, 5, 0);
VERIFY_ALIGNED_UNALIGNED_COUNT(a.segment(0, 40) *= 3.5, 5, 0, 5, 0);
VERIFY_ALIGNED_UNALIGNED_COUNT(a.segment(0, 40) /= 3.5, 5, 0, 5, 0);
#elif defined(EIGEN_VECTORIZE_SSE)
VectorXf a(40), b(40);
a.fill(0);
b.fill(1);
VERIFY_ALIGNED_UNALIGNED_COUNT(a += b, 20, 0, 10, 0);
VERIFY_ALIGNED_UNALIGNED_COUNT(a.segment(0, 40) += b.segment(0, 40), 10, 10, 10, 0);
VERIFY_ALIGNED_UNALIGNED_COUNT(a.segment(0, 40) -= b.segment(0, 40), 10, 10, 10, 0);
VERIFY_ALIGNED_UNALIGNED_COUNT(a.segment(0, 40) *= 3.5, 10, 0, 10, 0);
VERIFY_ALIGNED_UNALIGNED_COUNT(a.segment(0, 40) /= 3.5, 10, 0, 10, 0);
#else
// The following line is to eliminate "variable not used" warnings
nb_load = nb_loadu = nb_store = nb_storeu = 0;
int a(0), b(0);
VERIFY(a == b);
#endif
}