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Make improvements

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- Make rand64() thread safe
- Introduce lemur64 lcg prng
- Improve strace on New Technology
- Improve msync() on New Technology
This commit is contained in:
Justine Tunney 2022-04-07 00:15:35 -07:00
parent 43ba3009b2
commit 29bf8b1a30
73 changed files with 888 additions and 269 deletions
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libc/rand/lcg.internal.h
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@ -7,7 +7,7 @@ forceinline uint64_t KnuthLinearCongruentialGenerator(uint64_t prev[1]) {
Seminumerical Algorithms, Third Edition, Addison-Wesley, 1998,
p. 106 (line 26) & p. 108 */
prev[0] = prev[0] * 6364136223846793005 + 1442695040888963407;
return prev[0];
return prev[0]; /* be sure to shift! */
}
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */