Increase PRN 'a' and 'c' constants.
Increase PRN 'a' and 'c' constants, so that high bits tend to cascade more.
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@ -45,7 +45,7 @@ struct ckh_s {
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#endif
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/* Used for pseudo-random number generation. */
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#define CKH_A 12345
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#define CKH_A 1103515241
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#define CKH_C 12347
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uint32_t prn_state;
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@ -644,7 +644,7 @@ prof_sample_threshold_update(void)
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*/
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PROF_SAMPLE_STATE_GET(prof_sample_state);
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prn64(r, 53, prof_sample_state->prn_state,
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(uint64_t)1125899906842625LLU, 1058392653243283975);
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(uint64_t)6364136223846793005LLU, (uint64_t)1442695040888963407LLU);
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u = (double)r * (1.0/9007199254740992.0L);
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prof_sample_state->threshold = (uint64_t)(log(u) /
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log(1.0 - (1.0 / (double)((uint64_t)1U << opt_lg_prof_sample))))
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