ADTast-experimentalpthread-emulation
Last change
on this file since 9cd5bd2 was
8f01ad71,
checked in by Thierry Delisle <tdelisle@…>, 2 years ago
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Forgot a few pragma once
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Property mode set to
100644
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File size:
1.1 KB
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1 | // |
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2 | // Cforall Version 1.0.0 Copyright (C) 2021 University of Waterloo |
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3 | // |
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4 | // The contents of this file are covered under the licence agreement in the |
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5 | // file "LICENCE" distributed with Cforall. |
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6 | // |
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7 | // cpu.hfa -- read the data structure |
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8 | // |
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9 | // Author : Thierry Delisle |
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10 | // Created On : Fri Jun 11 15:22:23 2021 |
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11 | // Last Modified By : |
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12 | // Last Modified On : |
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13 | // Update Count : |
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14 | // |
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15 | |
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16 | #pragma once |
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17 | |
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18 | #include <stddef.h> |
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19 | |
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20 | // Map from cpu entry to a structure detailling cpus with common topologies |
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21 | // Note that the cpu-groups are contiguous so the indexing is different from |
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22 | // the cpu indexing |
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23 | struct cpu_map_entry_t { |
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24 | // Where this particular cpu is in the group |
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25 | unsigned self; |
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26 | |
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27 | // Starting index of the cpus with the same topology |
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28 | unsigned start; |
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29 | |
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30 | // Number of cpus with the same topology |
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31 | unsigned count; |
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32 | |
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33 | // Index of the cache this entry describes |
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34 | unsigned cache; |
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35 | }; |
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36 | |
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37 | struct cpu_info_t { |
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38 | // Array of size [hthrd_count] |
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39 | const cpu_map_entry_t * llc_map; |
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40 | |
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41 | // Number of _hardware_ threads present in the system |
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42 | size_t hthrd_count; |
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43 | |
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44 | // Number of distinct last level caches |
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45 | size_t llc_count; |
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46 | }; |
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47 | |
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48 | extern cpu_info_t cpu_info; |
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