Method allocate

src/misc/memory_model.cpp:118–145

    }

    char * MemoryModel::allocate ( uint64_t size ) {
        if ( !size ) return nullptr;
        size = (size + alignMask) & ~alignMask;
        totalAllocated += size;
        maxAllocated = das::max(maxAllocated, totalAllocated);
        if ( size > maxShoeAllocation ) {
            char * ptr = (char *) das_aligned_alloc16(size);
            bigStuff[ptr] = size;
#if DAS_TRACK_ALLOCATIONS
            if ( trackAllocations ) {
                INSCRIBE_INSANE_POINTER(ptr, this);
                if ( g_tracker==g_breakpoint ) os_debug_break();
                bigStuffId[ptr] = g_tracker ++;
            }
#endif
            return ptr;
        } else {
            if ( char * res = shoe.allocate(uint32_t(size)) ) {
                return res;
            }
            size = (size + 15) & ~15;
            DAS_ASSERT(size && size<=DAS_MAX_SHOE_ALLOCATION);
            uint32_t si = uint32_t((size >> 4) - 1);
            uint64_t total = grow(si);
            shoe.chunks[si] = new Deck(total, uint32_t(size), shoe.chunks[si]);
            return shoe.chunks[si]->allocate();
        }
    }

    bool MemoryModel::free ( char * ptr, uint64_t size ) {
        if ( !size ) return true;