Last change
on this file since 943 was
843,
checked in by devigne, 10 years ago
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RWT Commit : Add soft directory.
Soft directory contains scripts used to validate the RWT protocol
|
File size:
791 bytes
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Rev | Line | |
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[843] | 1 | |
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| 2 | #ifndef _functions_h_ |
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| 3 | #define _functions_h_ |
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| 4 | |
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| 5 | #include <math.h> |
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| 6 | #include <stdlib.h> |
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| 7 | #include <stdio.h> |
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| 8 | |
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| 9 | |
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| 10 | static int mylog2(size_t v) { |
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| 11 | static const size_t b[] = { 0x2, 0xC, 0xF0, 0xFF00, 0xFFFF0000 }; |
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| 12 | static const size_t S[] = { 1, 2, 4, 8, 16 }; |
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| 13 | int i; |
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| 14 | register size_t r = 0; |
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| 15 | for (i = 4; i >= 0; i--) { |
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| 16 | if (v & b[i]) { |
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| 17 | v >>= S[i]; |
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| 18 | r |= S[i]; |
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| 19 | } |
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| 20 | } |
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| 21 | return r + 1; |
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| 22 | } |
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| 23 | |
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| 24 | int randint(int a, int b) { |
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| 25 | int range = b - a + 1; |
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| 26 | int res = rand() % range; |
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| 27 | return res + a; |
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| 28 | } |
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| 29 | |
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| 30 | |
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| 31 | int index2realindex(int var_index, int nb_diff_CL, int cache_lines, int line_size) { |
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| 32 | int index = var_index % (nb_diff_CL * line_size) + (cache_lines * line_size)*(var_index / (line_size * nb_diff_CL)); |
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| 33 | return index; |
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| 34 | } |
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| 35 | |
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| 36 | |
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| 37 | #endif |
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