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use better heuristic for compile-time cache line size

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This commit is contained in:
Steffen Vogel 2018-12-02 02:49:18 +01:00
parent 6c279280f7
commit 2cadb5a98f
2 changed files with 8 additions and 3 deletions
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7
common/include/villas/config.h.in
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@ -57,3 +57,10 @@
/** Width of log output in characters */
#define LOG_WIDTH 80
#define LOG_HEIGHT 25
/* Hard-coded cache line size */
#if defined(__x86_64__) || defined(__i386__) || defined(__arm__)
#define CACHELINE_SIZE 64
#else
#error "Unsupported architecture"
#endif

4
common/lib/kernel/kernel.c
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@ -52,10 +52,8 @@ int kernel_get_cacheline_size()
pclose(fp);
return ret == 1 ? size : -1;
#elif defined(__x86_64__) || defined(__i386__)
return 64; /** @todo fixme */
#else
#error "Unsupported architecture"
return CACHELINE_SIZE;
#endif
}