1 /*********************************************************************/
2 /* Copyright 2009, 2010 The University of Texas at Austin. */
3 /* All rights reserved. */
5 /* Redistribution and use in source and binary forms, with or */
6 /* without modification, are permitted provided that the following */
7 /* conditions are met: */
9 /* 1. Redistributions of source code must retain the above */
10 /* copyright notice, this list of conditions and the following */
13 /* 2. Redistributions in binary form must reproduce the above */
14 /* copyright notice, this list of conditions and the following */
15 /* disclaimer in the documentation and/or other materials */
16 /* provided with the distribution. */
18 /* THIS SOFTWARE IS PROVIDED BY THE UNIVERSITY OF TEXAS AT */
19 /* AUSTIN ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, */
20 /* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
21 /* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE */
22 /* DISCLAIMED. IN NO EVENT SHALL THE UNIVERSITY OF TEXAS AT */
23 /* AUSTIN OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, */
24 /* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES */
25 /* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE */
26 /* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR */
27 /* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */
28 /* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT */
29 /* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT */
30 /* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE */
31 /* POSSIBILITY OF SUCH DAMAGE. */
33 /* The views and conclusions contained in the software and */
34 /* documentation are those of the authors and should not be */
35 /* interpreted as representing official policies, either expressed */
36 /* or implied, of The University of Texas at Austin. */
37 /*********************************************************************/
44 /* Assume C declarations for C++ */
45 #endif /* __cplusplus */
60 #include "config_kernel.h"
65 #undef ENABLE_SSE_EXCEPTION
67 #if defined(SMP_SERVER) || defined(SMP_ONDEMAND)
71 #if defined(OS_WINNT) || defined(OS_CYGWIN_NT) || defined(OS_INTERIX)
76 #define DOUBLE_DEFINED DOUBLE
81 #if !defined(NOINCLUDE) && !defined(ASSEMBLER)
86 #if !defined(_MSC_VER)
96 #if defined(OS_DARWIN) || defined(OS_FREEBSD) || defined(OS_NETBSD) || defined(OS_OPENBSD) || defined(OS_DRAGONFLY) || defined(OS_ANDROID)
102 //Android NDK only supports complex.h since Android 5.0
103 #if __ANDROID_API__ < 21
104 #define FORCE_OPENBLAS_COMPLEX_STRUCT
114 #define GOTO_ATOM ATOM
120 #define ATOM GOTO_ATOM
124 #include <sys/mman.h>
128 #include <sys/time.h>
137 #if defined(OS_SUNOS)
143 #include <machine/builtins.h>
146 #if defined(ARCH_IA64) && defined(ENABLE_SSE_EXCEPTION)
152 #if defined(OS_WINDOWS) && defined(DOUBLE_DEFINED)
153 #define DOUBLE DOUBLE_DEFINED
154 #undef DOUBLE_DEFINED
160 #undef SMP_ALLOC_DEBUG
182 #define BITMASK(a, b, c) ((((a) >> (b)) & (c)))
184 #define ALLOCA_ALIGN 63UL
186 #define NUM_BUFFERS MAX(50,(MAX_CPU_NUMBER * 2 * MAX_PARALLEL_NUMBER))
188 #ifdef NEEDBUNDERSCORE
189 #define BLASFUNC(FUNC) FUNC##_
191 #define BLASFUNC(FUNC) FUNC
194 #undef USE_PTHREAD_LOCK
195 #undef USE_PTHREAD_SPINLOCK
197 #if defined(USE_PTHREAD_LOCK) && defined(USE_PTHREAD_SPINLOCK)
198 #error "You can't specify both LOCK operation!"
202 #define USE_PTHREAD_LOCK
203 #undef USE_PTHREAD_SPINLOCK
207 #undef USE_PTHREAD_LOCK
208 #undef USE_PTHREAD_SPINLOCK
211 #if defined(USE_PTHREAD_LOCK)
212 #define LOCK_COMMAND(x) pthread_mutex_lock(x)
213 #define UNLOCK_COMMAND(x) pthread_mutex_unlock(x)
214 #elif defined(USE_PTHREAD_SPINLOCK)
216 typedef volatile int pthread_spinlock_t;
217 int pthread_spin_lock (pthread_spinlock_t *__lock);
218 int pthread_spin_unlock (pthread_spinlock_t *__lock);
220 #define LOCK_COMMAND(x) pthread_spin_lock(x)
221 #define UNLOCK_COMMAND(x) pthread_spin_unlock(x)
223 #define LOCK_COMMAND(x) blas_lock(x)
224 #define UNLOCK_COMMAND(x) blas_unlock(x)
227 #define GOTO_SHMID 0x510510
240 #ifdef QUAD_PRECISION
244 #elif defined EXPRECISION
245 #define xdouble long double
247 #define xdouble double
250 #if defined(OS_WINDOWS) && defined(__64BIT__)
251 typedef long long BLASLONG;
252 typedef unsigned long long BLASULONG;
254 typedef long BLASLONG;
255 typedef unsigned long BLASULONG;
259 typedef BLASLONG blasint;
260 #if defined(OS_WINDOWS) && defined(__64BIT__)
261 #define blasabs(x) llabs(x)
263 #define blasabs(x) labs(x)
267 #define blasabs(x) abs(x)
280 #define FLOAT xdouble
281 #ifdef QUAD_PRECISION
282 #define XFLOAT xidouble
284 #ifdef QUAD_PRECISION
287 #define ZBASE_SHIFT 6
291 #define ZBASE_SHIFT 5
293 #elif defined(DOUBLE)
297 #define ZBASE_SHIFT 4
302 #define ZBASE_SHIFT 3
316 #define Address_H(x) (((x)+(1<<15))>>16)
317 #define Address_L(x) ((x)-((Address_H(x))<<16))
319 #ifndef MAX_CPU_NUMBER
320 #define MAX_CPU_NUMBER 2
323 #if defined(OS_SUNOS)
324 #define YIELDING thr_yield()
327 #if defined(OS_WINDOWS)
328 #if defined(_MSC_VER) && !defined(__clang__)
329 #define YIELDING YieldProcessor()
331 #define YIELDING SwitchToThread()
335 #if defined(ARMV7) || defined(ARMV6) || defined(ARMV8) || defined(ARMV5)
336 #define YIELDING asm volatile ("nop;nop;nop;nop;nop;nop;nop;nop; \n");
341 #define YIELDING __asm__ __volatile__ ("nop;nop;nop;nop;nop;nop;nop;nop;\n");
347 #define YIELDING __asm__ __volatile__ ("nop;nop;nop;nop;nop;nop;nop;nop;\n");
353 #define YIELDING __asm__ __volatile__ ("nop;nop;nop;nop;nop;nop;nop;nop;\n");
360 #define YIELDING __asm__ __volatile__ ("nop;nop;nop;nop;nop;nop;nop;nop;\n");
368 #define YIELDING __asm__ __volatile__ ("nop;nop;nop;nop;nop;nop;nop;nop;\n");
374 #define YIELDING sched_yield()
378 To alloc job_t on heap or statck.
379 please https://github.com/xianyi/OpenBLAS/issues/246
381 #if defined(OS_WINDOWS)
382 #define GETRF_MEM_ALLOC_THRESHOLD 32
383 #define BLAS3_MEM_ALLOC_THRESHOLD 32
386 #ifndef GETRF_MEM_ALLOC_THRESHOLD
387 #define GETRF_MEM_ALLOC_THRESHOLD 80
390 #ifndef BLAS3_MEM_ALLOC_THRESHOLD
391 #define BLAS3_MEM_ALLOC_THRESHOLD 160
394 #ifdef QUAD_PRECISION
395 #include "common_quad.h"
399 #include "common_alpha.h"
403 #include "common_x86.h"
407 #include "common_x86_64.h"
411 #include "common_ia64.h"
415 #include "common_power.h"
419 #include "common_sparc.h"
423 #include "common_mips.h"
427 #include "common_mips64.h"
431 #include "common_arm.h"
435 #include "common_arm64.h"
439 #include "common_zarch.h"
443 #ifdef OS_WINDOWSSTORE
444 typedef char env_var_t[MAX_PATH];
445 #define readenv(p, n) 0
447 #if defined(OS_WINDOWS) && !defined(OS_CYGWIN_NT)
448 typedef char env_var_t[MAX_PATH];
449 #define readenv(p, n) GetEnvironmentVariable((LPCTSTR)(n), (LPTSTR)(p), sizeof(p))
451 typedef char* env_var_t;
452 #define readenv(p, n) ((p)=getenv(n))
456 #if !defined(RPCC_DEFINED) && !defined(OS_WINDOWS)
457 #ifdef _POSIX_MONOTONIC_CLOCK
458 #if defined(__GLIBC_PREREQ) // cut the if condition if two lines, otherwise will fail at __GLIBC_PREREQ(2, 17)
459 #if __GLIBC_PREREQ(2, 17) // don't require -lrt
460 #define USE_MONOTONIC
462 #elif defined(OS_ANDROID)
463 #define USE_MONOTONIC
466 /* use similar scale as x86 rdtsc for timeouts to work correctly */
467 static inline unsigned long long rpcc(void){
470 clock_gettime(CLOCK_MONOTONIC, &ts);
471 return (unsigned long long)ts.tv_sec * 1000000000ull + ts.tv_nsec;
474 gettimeofday(&tv,NULL);
475 return (unsigned long long)tv.tv_sec * 1000000000ull + tv.tv_usec * 1000;
480 #endif // !RPCC_DEFINED
482 #if !defined(BLAS_LOCK_DEFINED) && defined(__GNUC__)
483 static void __inline blas_lock(volatile BLASULONG *address){
486 while (*address) {YIELDING;};
488 } while (!__sync_bool_compare_and_swap(address, 0, 1));
490 #define BLAS_LOCK_DEFINED
494 #error "rpcc() implementation is missing for your platform"
496 #ifndef BLAS_LOCK_DEFINED
497 #error "blas_lock() implementation is missing for your platform"
502 #include "common_linux.h"
505 #define MMAP_ACCESS (PROT_READ | PROT_WRITE)
508 #define MMAP_POLICY (MAP_PRIVATE | MAP_ANON)
510 #define MMAP_POLICY (MAP_PRIVATE | MAP_ANONYMOUS)
514 /* C99 supports complex floating numbers natively, which GCC also offers as an
515 extension since version 3.0. If neither are available, use a compatible
516 structure as fallback (see Clause 6.2.5.13 of the C99 standard). */
517 #if ((defined(__STDC_IEC_559_COMPLEX__) || __STDC_VERSION__ >= 199901L || \
518 (__GNUC__ >= 3 && !defined(__cplusplus))) && !(defined(FORCE_OPENBLAS_COMPLEX_STRUCT))) && !defined(_MSC_VER)
519 #define OPENBLAS_COMPLEX_C99
523 typedef float _Complex openblas_complex_float;
524 typedef double _Complex openblas_complex_double;
525 typedef xdouble _Complex openblas_complex_xdouble;
526 #define openblas_make_complex_float(real, imag) ((real) + ((imag) * _Complex_I))
527 #define openblas_make_complex_double(real, imag) ((real) + ((imag) * _Complex_I))
528 #define openblas_make_complex_xdouble(real, imag) ((real) + ((imag) * _Complex_I))
530 #define OPENBLAS_COMPLEX_STRUCT
531 typedef struct { float real, imag; } openblas_complex_float;
532 typedef struct { double real, imag; } openblas_complex_double;
533 typedef struct { xdouble real, imag; } openblas_complex_xdouble;
534 #define openblas_make_complex_float(real, imag) {(real), (imag)}
535 #define openblas_make_complex_double(real, imag) {(real), (imag)}
536 #define openblas_make_complex_xdouble(real, imag) {(real), (imag)}
541 #include "common_param.h"
544 #define STDERR stderr
548 #define MASK(a, b) (((a) + ((b) - 1)) & ~((b) - 1))
551 #if defined(XDOUBLE) || defined(DOUBLE)
552 #define FLOATRET FLOAT
555 #define FLOATRET double
557 #define FLOATRET float
563 /* Inclusion of a standard header file is needed for definition of __STDC_*
564 predefined macros with some compilers (e.g. GCC 4.7 on Linux). This occurs
565 as a side effect of including either <features.h> or <stdc-predef.h>. */
570 #define OPENBLAS_COMPLEX_FLOAT openblas_complex_xdouble
571 #define OPENBLAS_MAKE_COMPLEX_FLOAT(r,i) openblas_make_complex_xdouble(r,i)
572 #elif defined(DOUBLE)
573 #define OPENBLAS_COMPLEX_FLOAT openblas_complex_double
574 #define OPENBLAS_MAKE_COMPLEX_FLOAT(r,i) openblas_make_complex_double(r,i)
576 #define OPENBLAS_COMPLEX_FLOAT openblas_complex_float
577 #define OPENBLAS_MAKE_COMPLEX_FLOAT(r,i) openblas_make_complex_float(r,i)
580 #if defined(C_PGI) || defined(C_SUN)
581 #if defined(__STDC_IEC_559_COMPLEX__)
582 #define CREAL(X) creal(X)
583 #define CIMAG(X) cimag(X)
585 #define CREAL(X) (*((FLOAT *)&X + 0))
586 #define CIMAG(X) (*((FLOAT *)&X + 1))
589 #ifdef OPENBLAS_COMPLEX_STRUCT
590 #define CREAL(Z) ((Z).real)
591 #define CIMAG(Z) ((Z).imag)
593 #define CREAL __real__
594 #define CIMAG __imag__
608 #if defined(C_GCC) && (( __GNUC__ <= 3) || ((__GNUC__ == 4) && (__GNUC_MINOR__ < 2)))
615 #define inline __inline
621 #define MIN(a,b) (a>b? b:a)
625 #define MAX(a,b) (a<b? b:a)
628 #define TOUPPER(a) {if ((a) > 0x60) (a) -= 0x20;}
630 #if defined(__FreeBSD__) || defined(__APPLE__)
631 #define MAP_ANONYMOUS MAP_ANON
634 /* Common Memory Management Routine */
635 void blas_set_parameter(void);
636 int blas_get_cpu_number(void);
637 void *blas_memory_alloc (int);
638 void blas_memory_free (void *);
639 void *blas_memory_alloc_nolock (int); //use malloc without blas_lock
640 void blas_memory_free_nolock (void *);
642 int get_num_procs (void);
644 #if defined(OS_LINUX) && defined(SMP) && !defined(NO_AFFINITY)
645 int get_num_nodes (void);
646 int get_num_proc (int);
647 int get_node_equal (void);
650 void goto_set_num_threads(int);
652 void gotoblas_affinity_init(void);
653 void gotoblas_affinity_quit(void);
654 void gotoblas_dynamic_init(void);
655 void gotoblas_dynamic_quit(void);
656 void gotoblas_profile_init(void);
657 void gotoblas_profile_quit(void);
662 int omp_in_parallel(void);
663 int omp_get_num_procs(void);
665 __declspec(dllimport) int __cdecl omp_in_parallel(void);
666 __declspec(dllimport) int __cdecl omp_get_num_procs(void);
669 #if (__STDC_VERSION__ >= 201112L)
670 #if defined(C_GCC) && ( __GNUC__ < 7)
671 // workaround for GCC bug 65467
673 #define _Atomic volatile
676 #include <stdatomic.h>
679 #define _Atomic volatile
685 int omp_in_parallel (void) __attribute__ ((weak));
686 int omp_get_num_procs(void) __attribute__ ((weak));
690 static __inline void blas_unlock(volatile BLASULONG *address){
695 #ifdef OS_WINDOWSSTORE
696 static __inline int readenv_atoi(char *env) {
701 static __inline int readenv_atoi(char *env) {
703 return readenv(p,env) ? 0 : atoi(p);
706 static __inline int readenv_atoi(char *env) {
708 if (( p = getenv(env) ))
716 #if !defined(XDOUBLE) || !defined(QUAD_PRECISION)
718 static __inline void compinv(FLOAT *b, FLOAT ar, FLOAT ai){
725 (fabsl(ar)) >= (fabsl(ai))
727 (fabs (ar)) >= (fabs (ai))
729 (fabsf(ar)) >= (fabsf(ai))
733 den = (FLOAT)(ONE / (ar * (ONE + ratio * ratio)));
738 den = (FLOAT)(ONE /(ai * (ONE + ratio * ratio)));
753 void *blas_debug_alloc(int);
754 void *blas_debug_free(void *);
757 #define malloc(a) blas_debug_alloc(a)
758 #define free(a) blas_debug_free (a)
762 #define GEMMRETTYPE int
772 #define GEMMRETTYPE copyoverhead_t
777 #define KNAME(A, B) A
779 #define KNAME(A, B) A##B
782 #include "common_interface.h"
784 #include "common_reference.h"
786 #include "common_macro.h"
787 #include "common_level1.h"
788 #include "common_level2.h"
789 #include "common_level3.h"
790 #include "common_lapack.h"
793 # define OPENBLAS_CONST /* see comment in cblas.h */
798 #include "common_stackalloc.h"
803 #if defined(SMP_SERVER) && defined(SMP_ONDEMAND)
804 #error Both SMP_SERVER and SMP_ONDEMAND are specified.
807 #if defined(SMP_SERVER) || defined(SMP_ONDEMAND)
808 #include "common_thread.h"
815 #ifndef DEFAULT_CPU_NUMBER
816 #define DEFAULT_CPU_NUMBER 4
827 #if !defined(ASSEMBLER) && defined(FUNCTION_PROFILE)
831 unsigned long long calls, fops, area, cycles, tcycles;
834 extern func_profile_t function_profile_table[];
835 extern int gotoblas_profile;
838 #define NUMOPT QNUMOPT
840 #define NUMOPT DNUMOPT
842 #define NUMOPT SNUMOPT
845 #define FUNCTION_PROFILE_START() { unsigned long long profile_start = rpcc(), profile_end;
847 #define FUNCTION_PROFILE_END(COMP, AREA, OPS) \
848 if (gotoblas_profile) { \
849 profile_end = rpcc(); \
850 function_profile_table[PROFILE_FUNC_NAME].calls ++; \
851 function_profile_table[PROFILE_FUNC_NAME].area += SIZE * COMPSIZE * (AREA); \
852 function_profile_table[PROFILE_FUNC_NAME].fops += (COMP) * (OPS) / NUMOPT; \
853 function_profile_table[PROFILE_FUNC_NAME].cycles += (profile_end - profile_start); \
854 function_profile_table[PROFILE_FUNC_NAME].tcycles += blas_cpu_number * (profile_end - profile_start); \
858 #define FUNCTION_PROFILE_END(COMP, AREA, OPS) \
859 if (gotoblas_profile) { \
860 profile_end = rpcc(); \
861 function_profile_table[PROFILE_FUNC_NAME].calls ++; \
862 function_profile_table[PROFILE_FUNC_NAME].area += SIZE * COMPSIZE * (AREA); \
863 function_profile_table[PROFILE_FUNC_NAME].fops += (COMP) * (OPS) / NUMOPT; \
864 function_profile_table[PROFILE_FUNC_NAME].cycles += (profile_end - profile_start); \
865 function_profile_table[PROFILE_FUNC_NAME].tcycles += (profile_end - profile_start); \
871 #define FUNCTION_PROFILE_START()
872 #define FUNCTION_PROFILE_END(COMP, AREA, OPS)
876 #define PRINT_DEBUG_CNAME
877 #define PRINT_DEBUG_NAME
879 #define PRINT_DEBUG_CNAME if (readenv_atoi("GOTO_DEBUG")) fprintf(stderr, "GotoBLAS : %s\n", CHAR_CNAME)
880 #define PRINT_DEBUG_NAME if (readenv_atoi("GOTO_DEBUG")) fprintf(stderr, "GotoBLAS : %s\n", CHAR_NAME)
886 #endif /* __cplusplus */