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1 | /* -*- C++ -*- */ |
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2 | |
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3 | #ifndef _PREFETCHHEAP_H_ |
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4 | #define _PREFETCHHEAP_H_ |
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5 | |
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6 | #define prefetcht0 __asm _emit 0x0f __asm _emit 0x18 __asm _emit 0x08 |
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7 | |
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8 | |
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9 | template <class Super> |
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10 | class PrefetchHeap : public Super { |
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11 | public: |
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12 | |
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13 | inline void * malloc (size_t sz) { |
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14 | void * Address = Super::malloc (sz); |
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15 | #ifdef _M_IX86 |
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16 | // Prefetch this ptr before we return. |
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17 | __asm |
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18 | { |
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19 | mov eax,Address // Load Address. |
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20 | prefetcht0 // Prefetch into the L1. |
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21 | } |
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22 | #endif |
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23 | return Address; |
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24 | } |
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25 | |
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26 | inline void free (void * ptr) { |
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27 | Super::free (ptr); |
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28 | } |
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29 | }; |
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30 | |
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31 | #endif |
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