ADT
ast-experimental
enum
forall-pointer-decay
pthread-emulation
qualifiedEnum
Last change
on this file since 451d958 was 07a1e7a, checked in by Thierry Delisle <tdelisle@…>, 4 years ago |
Added cpu info for which cache the map referes to.
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File size:
1.1 KB
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[96f002c1] | 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 | #include <stddef.h>
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| 17 |
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[07a1e7a] | 18 | // Map from cpu entry to a structure detailling cpus with common topologies
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| 19 | // Note that the cpu-groups are contiguous so the indexing is different from
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| 20 | // the cpu indexing
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[96f002c1] | 21 | struct cpu_map_entry_t {
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[07a1e7a] | 22 | // Where this particular cpu is in the group
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[cf85f96] | 23 | unsigned self;
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[07a1e7a] | 24 |
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| 25 | // Starting index of the cpus with the same topology
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[96f002c1] | 26 | unsigned start;
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[07a1e7a] | 27 |
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| 28 | // Number of cpus with the same topology
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[96f002c1] | 29 | unsigned count;
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[07a1e7a] | 30 |
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| 31 | // Index of the cache this entry describes
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| 32 | unsigned cache;
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[96f002c1] | 33 | };
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| 34 |
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| 35 | struct cpu_info_t {
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[8157bde] | 36 | // Array of size [hthrd_count]
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[96f002c1] | 37 | const cpu_map_entry_t * llc_map;
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[4d865ca7] | 38 |
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[8157bde] | 39 | // Number of _hardware_ threads present in the system
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[96f002c1] | 40 | size_t hthrd_count;
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[8157bde] | 41 |
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| 42 | // Number of distinct last level caches
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| 43 | size_t llc_count;
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[96f002c1] | 44 | };
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| 45 |
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[72bd9cd] | 46 | extern cpu_info_t cpu_info;
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