forked from bartvdbraak/blender
Cycles: Add ifdef switch to use blender's guardedalloc for vector allocation
It's actually a bad level call, but it's inside ifdef block and disabled by default and only intended to be used for development purposes. Main idea of this change is to combine statistics coming from Cycles and Blender during scene synchronization step, to see if further changes are actually reducing memory footprint.
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@ -17,10 +17,23 @@
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#ifndef __UTIL_GUARDED_ALLOCATOR_H__
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#define __UTIL_GUARDED_ALLOCATOR_H__
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/* Define this in order to use Blender's guarded allocator to keep
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* track of allocated buffers, their sizes and peak memory usage.
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*
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* This is usually a bad level call, but it's really handy to keep
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* track of overall peak memory consumption during the scene
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* synchronization step.
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*/
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#undef WITH_BLENDER_GUARDEDALLOC
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#include <memory>
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#include "util_types.h"
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#ifdef WITH_BLENDER_GUARDEDALLOC
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# include "../../guardedalloc/MEM_guardedalloc.h"
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#endif
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CCL_NAMESPACE_BEGIN
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/* Internal use only. */
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@ -39,13 +52,21 @@ public:
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T *allocate(size_t n, const void *hint = 0)
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{
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util_guarded_mem_alloc(n * sizeof(T));
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#ifdef WITH_BLENDER_GUARDEDALLOC
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return (T*)MEM_mallocN(n * sizeof(T), "Cycles Alloc");
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#else
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return std::allocator<T>::allocate(n, hint);
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#endif
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}
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void deallocate(T *p, size_t n)
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{
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util_guarded_mem_free(n * sizeof(T));
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return std::allocator<T>::deallocate(p, n);
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#ifdef WITH_BLENDER_GUARDEDALLOC
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MEM_freeN((void*)p);
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#else
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std::allocator<T>::deallocate(p, n);
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#endif
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}
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GuardedAllocator() : std::allocator<T>() { }
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