19 #ifndef EIGEN_MEMORY_H
20 #define EIGEN_MEMORY_H
29 #if defined(__GLIBC__) && ((__GLIBC__>=2 && __GLIBC_MINOR__ >= 8) || __GLIBC__>2) \
31 #define EIGEN_GLIBC_MALLOC_ALREADY_ALIGNED 1
33 #define EIGEN_GLIBC_MALLOC_ALREADY_ALIGNED 0
40 #if defined(__FreeBSD__) && !defined(__arm__) && !defined(__mips__)
41 #define EIGEN_FREEBSD_MALLOC_ALREADY_ALIGNED 1
43 #define EIGEN_FREEBSD_MALLOC_ALREADY_ALIGNED 0
46 #if defined(__APPLE__) \
48 || EIGEN_GLIBC_MALLOC_ALREADY_ALIGNED \
49 || EIGEN_FREEBSD_MALLOC_ALREADY_ALIGNED
50 #define EIGEN_MALLOC_ALREADY_ALIGNED 1
52 #define EIGEN_MALLOC_ALREADY_ALIGNED 0
58 #if defined(__unix__) || defined(__unix)
60 #if ((defined __QNXNTO__) || (defined _GNU_SOURCE) || ((defined _XOPEN_SOURCE) && (_XOPEN_SOURCE >= 600))) && (defined _POSIX_ADVISORY_INFO) && (_POSIX_ADVISORY_INFO > 0)
61 #define EIGEN_HAS_POSIX_MEMALIGN 1
65 #ifndef EIGEN_HAS_POSIX_MEMALIGN
66 #define EIGEN_HAS_POSIX_MEMALIGN 0
69 #ifdef EIGEN_VECTORIZE_SSE
70 #define EIGEN_HAS_MM_MALLOC 1
72 #define EIGEN_HAS_MM_MALLOC 0
79 inline void throw_std_bad_alloc()
81 #ifdef EIGEN_EXCEPTIONS
82 throw std::bad_alloc();
84 std::size_t huge = -1;
98 inline void* handmade_aligned_malloc(std::size_t size)
100 void *original = std::malloc(size+16);
101 if (original == 0)
return 0;
102 void *aligned =
reinterpret_cast<void*
>((
reinterpret_cast<std::size_t
>(original) & ~(std::size_t(15))) + 16);
103 *(
reinterpret_cast<void**
>(aligned) - 1) = original;
108 inline void handmade_aligned_free(
void *ptr)
110 if (ptr) std::free(*(reinterpret_cast<void**>(ptr) - 1));
118 inline void* handmade_aligned_realloc(
void* ptr, std::size_t size, std::size_t = 0)
120 if (ptr == 0)
return handmade_aligned_malloc(size);
121 void *original = *(
reinterpret_cast<void**
>(ptr) - 1);
122 std::ptrdiff_t previous_offset =
static_cast<char *
>(ptr)-static_cast<char *>(original);
123 original = std::realloc(original,size+16);
124 if (original == 0)
return 0;
125 void *aligned =
reinterpret_cast<void*
>((
reinterpret_cast<std::size_t
>(original) & ~(std::size_t(15))) + 16);
126 void *previous_aligned =
static_cast<char *
>(original)+previous_offset;
127 if(aligned!=previous_aligned)
128 std::memmove(aligned, previous_aligned, size);
130 *(
reinterpret_cast<void**
>(aligned) - 1) = original;
138 void* aligned_malloc(std::size_t size);
139 void aligned_free(
void *ptr);
146 inline void* generic_aligned_realloc(
void* ptr,
size_t size,
size_t old_size)
149 return aligned_malloc(size);
157 void* newptr = aligned_malloc(size);
160 #ifdef EIGEN_HAS_ERRNO
168 std::memcpy(newptr, ptr, (std::min)(size,old_size));
179 #ifdef EIGEN_NO_MALLOC
180 inline void check_that_malloc_is_allowed()
182 eigen_assert(
false &&
"heap allocation is forbidden (EIGEN_NO_MALLOC is defined)");
184 #elif defined EIGEN_RUNTIME_NO_MALLOC
185 inline bool is_malloc_allowed_impl(
bool update,
bool new_value =
false)
187 static bool value =
true;
192 inline bool is_malloc_allowed() {
return is_malloc_allowed_impl(
false); }
193 inline bool set_is_malloc_allowed(
bool new_value) {
return is_malloc_allowed_impl(
true, new_value); }
194 inline void check_that_malloc_is_allowed()
196 eigen_assert(is_malloc_allowed() &&
"heap allocation is forbidden (EIGEN_RUNTIME_NO_MALLOC is defined and g_is_malloc_allowed is false)");
199 inline void check_that_malloc_is_allowed()
206 inline void* aligned_malloc(
size_t size)
208 check_that_malloc_is_allowed();
212 result = std::malloc(size);
213 #elif EIGEN_MALLOC_ALREADY_ALIGNED
214 result = std::malloc(size);
215 #elif EIGEN_HAS_POSIX_MEMALIGN
216 if(posix_memalign(&result, 16, size)) result = 0;
217 #elif EIGEN_HAS_MM_MALLOC
218 result = _mm_malloc(size, 16);
219 #elif defined(_MSC_VER) && (!defined(_WIN32_WCE))
220 result = _aligned_malloc(size, 16);
222 result = handmade_aligned_malloc(size);
226 throw_std_bad_alloc();
232 inline void aligned_free(
void *ptr)
236 #elif EIGEN_MALLOC_ALREADY_ALIGNED
238 #elif EIGEN_HAS_POSIX_MEMALIGN
240 #elif EIGEN_HAS_MM_MALLOC
242 #elif defined(_MSC_VER) && (!defined(_WIN32_WCE))
245 handmade_aligned_free(ptr);
254 inline void* aligned_realloc(
void *ptr,
size_t new_size,
size_t old_size)
256 EIGEN_UNUSED_VARIABLE(old_size);
260 result = std::realloc(ptr,new_size);
261 #elif EIGEN_MALLOC_ALREADY_ALIGNED
262 result = std::realloc(ptr,new_size);
263 #elif EIGEN_HAS_POSIX_MEMALIGN
264 result = generic_aligned_realloc(ptr,new_size,old_size);
265 #elif EIGEN_HAS_MM_MALLOC
269 #if defined(_MSC_VER) && defined(_mm_free)
270 result = _aligned_realloc(ptr,new_size,16);
272 result = generic_aligned_realloc(ptr,new_size,old_size);
274 #elif defined(_MSC_VER)
275 result = _aligned_realloc(ptr,new_size,16);
277 result = handmade_aligned_realloc(ptr,new_size,old_size);
280 if (!result && new_size)
281 throw_std_bad_alloc();
293 template<
bool Align>
inline void* conditional_aligned_malloc(
size_t size)
295 return aligned_malloc(size);
298 template<>
inline void* conditional_aligned_malloc<false>(
size_t size)
300 check_that_malloc_is_allowed();
302 void *result = std::malloc(size);
304 throw_std_bad_alloc();
309 template<
bool Align>
inline void conditional_aligned_free(
void *ptr)
314 template<>
inline void conditional_aligned_free<false>(
void *ptr)
319 template<
bool Align>
inline void* conditional_aligned_realloc(
void* ptr,
size_t new_size,
size_t old_size)
321 return aligned_realloc(ptr, new_size, old_size);
324 template<>
inline void* conditional_aligned_realloc<false>(
void* ptr,
size_t new_size, size_t)
326 return std::realloc(ptr, new_size);
336 template<
typename T>
inline T* construct_elements_of_array(T *ptr,
size_t size)
338 for (
size_t i=0; i < size; ++i) ::
new (ptr + i) T;
345 template<
typename T>
inline void destruct_elements_of_array(T *ptr,
size_t size)
349 while(size) ptr[--size].~T();
357 EIGEN_ALWAYS_INLINE
void check_size_for_overflow(
size_t size)
359 if(size >
size_t(-1) /
sizeof(T))
360 throw_std_bad_alloc();
367 template<
typename T>
inline T* aligned_new(
size_t size)
369 check_size_for_overflow<T>(size);
370 T *result =
reinterpret_cast<T*
>(aligned_malloc(
sizeof(T)*size));
371 return construct_elements_of_array(result, size);
374 template<
typename T,
bool Align>
inline T* conditional_aligned_new(
size_t size)
376 check_size_for_overflow<T>(size);
377 T *result =
reinterpret_cast<T*
>(conditional_aligned_malloc<Align>(
sizeof(T)*size));
378 return construct_elements_of_array(result, size);
384 template<
typename T>
inline void aligned_delete(T *ptr,
size_t size)
386 destruct_elements_of_array<T>(ptr, size);
393 template<
typename T,
bool Align>
inline void conditional_aligned_delete(T *ptr,
size_t size)
395 destruct_elements_of_array<T>(ptr, size);
396 conditional_aligned_free<Align>(ptr);
399 template<
typename T,
bool Align>
inline T* conditional_aligned_realloc_new(T* pts,
size_t new_size,
size_t old_size)
401 check_size_for_overflow<T>(new_size);
402 check_size_for_overflow<T>(old_size);
403 if(new_size < old_size)
404 destruct_elements_of_array(pts+new_size, old_size-new_size);
405 T *result =
reinterpret_cast<T*
>(conditional_aligned_realloc<Align>(
reinterpret_cast<void*
>(pts),
sizeof(T)*new_size,
sizeof(T)*old_size));
406 if(new_size > old_size)
407 construct_elements_of_array(result+old_size, new_size-old_size);
412 template<
typename T,
bool Align>
inline T* conditional_aligned_new_auto(
size_t size)
414 check_size_for_overflow<T>(size);
415 T *result =
reinterpret_cast<T*
>(conditional_aligned_malloc<Align>(
sizeof(T)*size));
416 if(NumTraits<T>::RequireInitialization)
417 construct_elements_of_array(result, size);
421 template<
typename T,
bool Align>
inline T* conditional_aligned_realloc_new_auto(T* pts,
size_t new_size,
size_t old_size)
423 check_size_for_overflow<T>(new_size);
424 check_size_for_overflow<T>(old_size);
425 if(NumTraits<T>::RequireInitialization && (new_size < old_size))
426 destruct_elements_of_array(pts+new_size, old_size-new_size);
427 T *result =
reinterpret_cast<T*
>(conditional_aligned_realloc<Align>(
reinterpret_cast<void*
>(pts),
sizeof(T)*new_size,
sizeof(T)*old_size));
428 if(NumTraits<T>::RequireInitialization && (new_size > old_size))
429 construct_elements_of_array(result+old_size, new_size-old_size);
433 template<
typename T,
bool Align>
inline void conditional_aligned_delete_auto(T *ptr,
size_t size)
435 if(NumTraits<T>::RequireInitialization)
436 destruct_elements_of_array<T>(ptr, size);
437 conditional_aligned_free<Align>(ptr);
458 template<
typename Scalar,
typename Index>
459 static inline Index first_aligned(
const Scalar* array, Index size)
462 enum { PacketSize = packet_traits<Scalar>::size,
463 PacketAlignedMask = PacketSize-1
472 else if(
size_t(array) & (
sizeof(Scalar)-1))
480 return std::min<Index>( (PacketSize - (Index((
size_t(array)/
sizeof(Scalar))) & PacketAlignedMask))
481 & PacketAlignedMask, size);
488 template<
typename T,
bool UseMemcpy>
struct smart_copy_helper;
490 template<
typename T>
void smart_copy(
const T* start,
const T* end, T* target)
492 smart_copy_helper<T,!NumTraits<T>::RequireInitialization>::run(start, end, target);
495 template<
typename T>
struct smart_copy_helper<T,true> {
496 static inline void run(
const T* start,
const T* end, T* target)
497 { memcpy(target, start, std::ptrdiff_t(end)-std::ptrdiff_t(start)); }
500 template<
typename T>
struct smart_copy_helper<T,false> {
501 static inline void run(
const T* start,
const T* end, T* target)
502 { std::copy(start, end, target); }
513 #if (defined __linux__)
514 #define EIGEN_ALLOCA alloca
515 #elif defined(_MSC_VER)
516 #define EIGEN_ALLOCA _alloca
522 template<
typename T>
class aligned_stack_memory_handler
531 aligned_stack_memory_handler(T* ptr,
size_t size,
bool dealloc)
532 : m_ptr(ptr), m_size(size), m_deallocate(dealloc)
534 if(NumTraits<T>::RequireInitialization && m_ptr)
535 Eigen::internal::construct_elements_of_array(m_ptr, size);
537 ~aligned_stack_memory_handler()
539 if(NumTraits<T>::RequireInitialization && m_ptr)
540 Eigen::internal::destruct_elements_of_array<T>(m_ptr, m_size);
542 Eigen::internal::aligned_free(m_ptr);
570 #define EIGEN_ALIGNED_ALLOCA(SIZE) reinterpret_cast<void*>((reinterpret_cast<size_t>(EIGEN_ALLOCA(SIZE+16)) & ~(size_t(15))) + 16)
572 #define EIGEN_ALIGNED_ALLOCA EIGEN_ALLOCA
575 #define ei_declare_aligned_stack_constructed_variable(TYPE,NAME,SIZE,BUFFER) \
576 Eigen::internal::check_size_for_overflow<TYPE>(SIZE); \
577 TYPE* NAME = (BUFFER)!=0 ? (BUFFER) \
578 : reinterpret_cast<TYPE*>( \
579 (sizeof(TYPE)*SIZE<=EIGEN_STACK_ALLOCATION_LIMIT) ? EIGEN_ALIGNED_ALLOCA(sizeof(TYPE)*SIZE) \
580 : Eigen::internal::aligned_malloc(sizeof(TYPE)*SIZE) ); \
581 Eigen::internal::aligned_stack_memory_handler<TYPE> EIGEN_CAT(NAME,_stack_memory_destructor)((BUFFER)==0 ? NAME : 0,SIZE,sizeof(TYPE)*SIZE>EIGEN_STACK_ALLOCATION_LIMIT)
585 #define ei_declare_aligned_stack_constructed_variable(TYPE,NAME,SIZE,BUFFER) \
586 Eigen::internal::check_size_for_overflow<TYPE>(SIZE); \
587 TYPE* NAME = (BUFFER)!=0 ? BUFFER : reinterpret_cast<TYPE*>(Eigen::internal::aligned_malloc(sizeof(TYPE)*SIZE)); \
588 Eigen::internal::aligned_stack_memory_handler<TYPE> EIGEN_CAT(NAME,_stack_memory_destructor)((BUFFER)==0 ? NAME : 0,SIZE,true)
598 #ifdef EIGEN_EXCEPTIONS
599 #define EIGEN_MAKE_ALIGNED_OPERATOR_NEW_NOTHROW(NeedsToAlign) \
600 void* operator new(size_t size, const std::nothrow_t&) throw() { \
601 try { return Eigen::internal::conditional_aligned_malloc<NeedsToAlign>(size); } \
602 catch (...) { return 0; } \
606 #define EIGEN_MAKE_ALIGNED_OPERATOR_NEW_NOTHROW(NeedsToAlign) \
607 void* operator new(size_t size, const std::nothrow_t&) throw() { \
608 return Eigen::internal::conditional_aligned_malloc<NeedsToAlign>(size); \
612 #define EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF(NeedsToAlign) \
613 void *operator new(size_t size) { \
614 return Eigen::internal::conditional_aligned_malloc<NeedsToAlign>(size); \
616 void *operator new[](size_t size) { \
617 return Eigen::internal::conditional_aligned_malloc<NeedsToAlign>(size); \
619 void operator delete(void * ptr) throw() { Eigen::internal::conditional_aligned_free<NeedsToAlign>(ptr); } \
620 void operator delete[](void * ptr) throw() { Eigen::internal::conditional_aligned_free<NeedsToAlign>(ptr); } \
624 static void *operator new(size_t size, void *ptr) { return ::operator new(size,ptr); } \
625 void operator delete(void * memory, void *ptr) throw() { return ::operator delete(memory,ptr); } \
627 EIGEN_MAKE_ALIGNED_OPERATOR_NEW_NOTHROW(NeedsToAlign) \
628 void operator delete(void *ptr, const std::nothrow_t&) throw() { \
629 Eigen::internal::conditional_aligned_free<NeedsToAlign>(ptr); \
631 typedef void eigen_aligned_operator_new_marker_type;
633 #define EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF(NeedsToAlign)
636 #define EIGEN_MAKE_ALIGNED_OPERATOR_NEW EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF(true)
637 #define EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF_VECTORIZABLE_FIXED_SIZE(Scalar,Size) \
638 EIGEN_MAKE_ALIGNED_OPERATOR_NEW_IF(bool(((Size)!=Eigen::Dynamic) && ((sizeof(Scalar)*(Size))%16==0)))
662 typedef size_t size_type;
663 typedef std::ptrdiff_t difference_type;
665 typedef const T* const_pointer;
666 typedef T& reference;
667 typedef const T& const_reference;
668 typedef T value_type;
676 pointer address( reference value )
const
681 const_pointer address( const_reference value )
const
703 size_type max_size()
const
705 return (std::numeric_limits<size_type>::max)();
708 pointer allocate( size_type num,
const void* hint = 0 )
710 EIGEN_UNUSED_VARIABLE(hint);
711 internal::check_size_for_overflow<T>(num);
712 return static_cast<pointer
>( internal::aligned_malloc( num *
sizeof(T) ) );
715 void construct( pointer p,
const T& value )
717 ::new( p ) T( value );
721 #if (__cplusplus >= 201103L)
722 template<
typename... Args>
723 void construct(pointer p, Args&&... args)
725 ::new(p) T(std::forward<Args>(args)...);
729 void destroy( pointer p )
734 void deallocate( pointer p, size_type )
736 internal::aligned_free( p );
748 #if !defined(EIGEN_NO_CPUID)
749 # if defined(__GNUC__) && ( defined(__i386__) || defined(__x86_64__) )
750 # if defined(__PIC__) && defined(__i386__)
752 # define EIGEN_CPUID(abcd,func,id) \
753 __asm__ __volatile__ ("xchgl %%ebx, %%esi;cpuid; xchgl %%ebx,%%esi": "=a" (abcd[0]), "=S" (abcd[1]), "=c" (abcd[2]), "=d" (abcd[3]) : "a" (func), "c" (id));
756 # define EIGEN_CPUID(abcd,func,id) \
757 __asm__ __volatile__ ("cpuid": "=a" (abcd[0]), "=b" (abcd[1]), "=c" (abcd[2]), "=d" (abcd[3]) : "a" (func), "c" (id) );
759 # elif defined(_MSC_VER)
760 # if (_MSC_VER > 1500) && ( defined(_M_IX86) || defined(_M_X64) )
761 # define EIGEN_CPUID(abcd,func,id) __cpuidex((int*)abcd,func,id)
770 inline bool cpuid_is_vendor(
int abcd[4],
const char* vendor)
772 return abcd[1]==(
reinterpret_cast<const int*
>(vendor))[0] && abcd[3]==(
reinterpret_cast<const int*
>(vendor))[1] && abcd[2]==(
reinterpret_cast<const int*
>(vendor))[2];
775 inline void queryCacheSizes_intel_direct(
int& l1,
int& l2,
int& l3)
782 abcd[0] = abcd[1] = abcd[2] = abcd[3] = 0;
783 EIGEN_CPUID(abcd,0x4,cache_id);
784 cache_type = (abcd[0] & 0x0F) >> 0;
785 if(cache_type==1||cache_type==3)
787 int cache_level = (abcd[0] & 0xE0) >> 5;
788 int ways = (abcd[1] & 0xFFC00000) >> 22;
789 int partitions = (abcd[1] & 0x003FF000) >> 12;
790 int line_size = (abcd[1] & 0x00000FFF) >> 0;
791 int sets = (abcd[2]);
793 int cache_size = (ways+1) * (partitions+1) * (line_size+1) * (sets+1);
797 case 1: l1 = cache_size;
break;
798 case 2: l2 = cache_size;
break;
799 case 3: l3 = cache_size;
break;
804 }
while(cache_type>0 && cache_id<16);
807 inline void queryCacheSizes_intel_codes(
int& l1,
int& l2,
int& l3)
810 abcd[0] = abcd[1] = abcd[2] = abcd[3] = 0;
812 EIGEN_CPUID(abcd,0x00000002,0);
813 unsigned char * bytes =
reinterpret_cast<unsigned char *
>(abcd)+2;
814 bool check_for_p2_core2 =
false;
815 for(
int i=0; i<14; ++i)
819 case 0x0A: l1 = 8;
break;
820 case 0x0C: l1 = 16;
break;
821 case 0x0E: l1 = 24;
break;
822 case 0x10: l1 = 16;
break;
823 case 0x15: l1 = 16;
break;
824 case 0x2C: l1 = 32;
break;
825 case 0x30: l1 = 32;
break;
826 case 0x60: l1 = 16;
break;
827 case 0x66: l1 = 8;
break;
828 case 0x67: l1 = 16;
break;
829 case 0x68: l1 = 32;
break;
830 case 0x1A: l2 = 96;
break;
831 case 0x22: l3 = 512;
break;
832 case 0x23: l3 = 1024;
break;
833 case 0x25: l3 = 2048;
break;
834 case 0x29: l3 = 4096;
break;
835 case 0x39: l2 = 128;
break;
836 case 0x3A: l2 = 192;
break;
837 case 0x3B: l2 = 128;
break;
838 case 0x3C: l2 = 256;
break;
839 case 0x3D: l2 = 384;
break;
840 case 0x3E: l2 = 512;
break;
841 case 0x40: l2 = 0;
break;
842 case 0x41: l2 = 128;
break;
843 case 0x42: l2 = 256;
break;
844 case 0x43: l2 = 512;
break;
845 case 0x44: l2 = 1024;
break;
846 case 0x45: l2 = 2048;
break;
847 case 0x46: l3 = 4096;
break;
848 case 0x47: l3 = 8192;
break;
849 case 0x48: l2 = 3072;
break;
850 case 0x49:
if(l2!=0) l3 = 4096;
else {check_for_p2_core2=
true; l3 = l2 = 4096;}
break;
851 case 0x4A: l3 = 6144;
break;
852 case 0x4B: l3 = 8192;
break;
853 case 0x4C: l3 = 12288;
break;
854 case 0x4D: l3 = 16384;
break;
855 case 0x4E: l2 = 6144;
break;
856 case 0x78: l2 = 1024;
break;
857 case 0x79: l2 = 128;
break;
858 case 0x7A: l2 = 256;
break;
859 case 0x7B: l2 = 512;
break;
860 case 0x7C: l2 = 1024;
break;
861 case 0x7D: l2 = 2048;
break;
862 case 0x7E: l2 = 256;
break;
863 case 0x7F: l2 = 512;
break;
864 case 0x80: l2 = 512;
break;
865 case 0x81: l2 = 128;
break;
866 case 0x82: l2 = 256;
break;
867 case 0x83: l2 = 512;
break;
868 case 0x84: l2 = 1024;
break;
869 case 0x85: l2 = 2048;
break;
870 case 0x86: l2 = 512;
break;
871 case 0x87: l2 = 1024;
break;
872 case 0x88: l3 = 2048;
break;
873 case 0x89: l3 = 4096;
break;
874 case 0x8A: l3 = 8192;
break;
875 case 0x8D: l3 = 3072;
break;
880 if(check_for_p2_core2 && l2 == l3)
887 inline void queryCacheSizes_intel(
int& l1,
int& l2,
int& l3,
int max_std_funcs)
890 queryCacheSizes_intel_direct(l1,l2,l3);
892 queryCacheSizes_intel_codes(l1,l2,l3);
895 inline void queryCacheSizes_amd(
int& l1,
int& l2,
int& l3)
898 abcd[0] = abcd[1] = abcd[2] = abcd[3] = 0;
899 EIGEN_CPUID(abcd,0x80000005,0);
900 l1 = (abcd[2] >> 24) * 1024;
901 abcd[0] = abcd[1] = abcd[2] = abcd[3] = 0;
902 EIGEN_CPUID(abcd,0x80000006,0);
903 l2 = (abcd[2] >> 16) * 1024;
904 l3 = ((abcd[3] & 0xFFFC000) >> 18) * 512 * 1024;
910 inline void queryCacheSizes(
int& l1,
int& l2,
int& l3)
916 EIGEN_CPUID(abcd,0x0,0);
917 int max_std_funcs = abcd[1];
918 if(cpuid_is_vendor(abcd,
"GenuineIntel"))
919 queryCacheSizes_intel(l1,l2,l3,max_std_funcs);
920 else if(cpuid_is_vendor(abcd,
"AuthenticAMD") || cpuid_is_vendor(abcd,
"AMDisbetter!"))
921 queryCacheSizes_amd(l1,l2,l3);
924 queryCacheSizes_intel(l1,l2,l3,max_std_funcs);
944 inline int queryL1CacheSize()
947 queryCacheSizes(l1,l2,l3);
953 inline int queryTopLevelCacheSize()
955 int l1, l2(-1), l3(-1);
956 queryCacheSizes(l1,l2,l3);
957 return (std::max)(l2,l3);
964 #endif // EIGEN_MEMORY_H