Last change
on this file since 2057 was
833,
checked in by mhnguyen, 8 years ago
|
Improvements for dht
+) Implement adaptive hierarchy for dht, level of hierarchy depends on number of processes
+) Remove some redundant codes
Test
+) On Curie
+) All tests are correct
|
File size:
1.6 KB
|
Line | |
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1 | /*! |
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2 | \file dht_data_types.hpp |
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3 | \author Ha NGUYEN |
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4 | \since 17 Mars 2016 |
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5 | \date 17 Mars 2016 |
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6 | |
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7 | \brief Customized data type for dht |
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8 | */ |
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9 | |
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10 | #ifndef __XIOS_DHT_DATATYPES_HPP__ |
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11 | #define __XIOS_DHT_DATATYPES_HPP__ |
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12 | |
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13 | #include "utils.hpp" |
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14 | |
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15 | namespace xios |
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16 | { |
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17 | typedef std::pair<int,int> PairIntInt; |
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18 | |
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19 | template<typename T> |
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20 | struct ProcessDHTElement |
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21 | { |
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22 | typedef T Type; |
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23 | static int typeSize() |
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24 | { |
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25 | return sizeof(Type); |
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26 | } |
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27 | |
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28 | static void packElement(const T& inputElement, unsigned char* packedElement, int& index) |
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29 | { |
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30 | if (NULL == packedElement) index += sizeof(Type); |
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31 | else |
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32 | { |
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33 | *(T *)(&packedElement[index]) = inputElement; |
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34 | index+=sizeof(Type); |
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35 | } |
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36 | } |
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37 | |
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38 | static void unpackElement(T& outputElement, unsigned char* unpackedElement, int& index) |
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39 | { |
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40 | outputElement = *(Type*)(&unpackedElement[index]); |
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41 | index+=sizeof(Type); |
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42 | } |
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43 | }; |
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44 | |
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45 | template<> |
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46 | struct ProcessDHTElement<PairIntInt> |
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47 | { |
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48 | typedef PairIntInt Type; |
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49 | static int typeSize() |
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50 | { |
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51 | return (2*sizeof(int)); |
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52 | } |
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53 | |
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54 | static void packElement(const PairIntInt& inputElement, unsigned char* packedElement, int& index) |
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55 | { |
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56 | if (NULL == packedElement) index +=(2*sizeof(int)); |
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57 | else |
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58 | { |
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59 | *(int *)(&packedElement[index]) = inputElement.first; |
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60 | index+=sizeof(int); |
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61 | *(int *)(&packedElement[index]) = inputElement.second; |
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62 | index+=sizeof(int); |
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63 | } |
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64 | } |
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65 | |
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66 | static void unpackElement(PairIntInt& outputElement, unsigned char* unpackedElement, int& index) |
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67 | { |
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68 | outputElement.first=*(int *)(&unpackedElement[index]); |
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69 | index+=sizeof(int); |
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70 | outputElement.second=*(int *)(&unpackedElement[index]); |
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71 | index+=sizeof(int); |
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72 | } |
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73 | }; |
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74 | |
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75 | } |
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76 | |
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77 | #endif // __XIOS_DHT_DATATYPES_HPP__ |
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