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Code Packages Releases Wiki Activity

Merge remote-tracking branch 'upstream/3.4' into merge-3.4

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This commit is contained in:
Alexander Alekhin
2022-12-18 02:16:17 +00:00
parent 6db9fcbc30 07ed5e5346
commit 420db56ffd
11 changed files with 124 additions and 38 deletions
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modules/core/src/algorithm.cpp
+13 -5
View File
@@ -55,19 +55,27 @@ Algorithm::~Algorithm()
CV_TRACE_FUNCTION();
}
void Algorithm::write(const Ptr<FileStorage>& fs, const String& name) const
void Algorithm::write(FileStorage& fs, const String& name) const
{
CV_TRACE_FUNCTION();
if(name.empty())
{
write(*fs);
write(fs);
return;
}
*fs << name << "{";
write(*fs);
*fs << "}";
fs << name << "{";
write(fs);
fs << "}";
}
#if CV_VERSION_MAJOR < 5
void Algorithm::write(const Ptr<FileStorage>& fs, const String& name) const
{
CV_Assert(fs);
write(*fs, name);
}
#endif
void Algorithm::save(const String& filename) const
{
CV_TRACE_FUNCTION();
modules/core/src/parallel_impl.cpp
+4 -1
View File
@@ -40,11 +40,14 @@ DECLARE_CV_PAUSE
#endif
#ifndef CV_PAUSE
# if defined __GNUC__ && (defined __i386__ || defined __x86_64__)
# include <x86intrin.h> /* for __rdtsc */
# if !defined(__SSE2__)
static inline void cv_non_sse_mm_pause() { __asm__ __volatile__ ("rep; nop"); }
# define _mm_pause cv_non_sse_mm_pause
# endif
# define CV_PAUSE(v) do { for (int __delay = (v); __delay > 0; --__delay) { _mm_pause(); } } while (0)
// 5 * v is meants for backward compatibility: with pre-Skylake CPUs, _mm_pause took 4 or 5 cycles.
// With post-Skylake CPUs, _mm_pause takes 140 cycles.
# define CV_PAUSE(v) do { const uint64_t __delay = 5 * v; uint64_t __init = __rdtsc(); do { _mm_pause(); } while ((__rdtsc() - __init) < __delay); } while (0)
# elif defined __GNUC__ && defined __aarch64__
# define CV_PAUSE(v) do { for (int __delay = (v); __delay > 0; --__delay) { asm volatile("yield" ::: "memory"); } } while (0)
# elif defined __GNUC__ && defined __arm__