Changeset 75965a6


Ignore:
Timestamp:
Jan 13, 2022, 9:49:46 PM (6 months ago)
Author:
Peter A. Buhr <pabuhr@…>
Branches:
enum, forall-pointer-decay, master
Children:
86530e7
Parents:
5d1ebb9
Message:

replace thread_rand with prng, replace xorshift64 with xorshift_13_7_17

Files:
3 edited

Legend:

Unmodified
Added
Removed
  • benchmark/readyQ/churn.cfa

    r5d1ebb9 r75965a6  
    2121        wait( sem );
    2222        for() {
    23                 uint64_t r = thread_rand();
     23                uint32_t r = prng();
    2424                bench_sem * next = __atomic_exchange_n(&spots[r % spot_cnt], &sem, __ATOMIC_SEQ_CST);
    2525                if(next) post( *next );
  • benchmark/readyQ/locality.cfa

    r5d1ebb9 r75965a6  
    128128__attribute__((noinline)) void work(MyData & data, size_t cnt_, uint64_t & state) {
    129129        for (cnt_) {
    130                 access(data, __xorshift64(state));
     130                access(data, xorshift_13_7_17(state));
    131131        }
    132132}
    133133
    134134void main(MyThread & this) {
    135         uint64_t state = thread_rand();
     135        uint64_t state = prng();
    136136
    137137        // Wait for start
     
    144144
    145145                // Wait on a random spot
    146                 uint64_t idx = __xorshift64(state) % this.spots.len;
     146                uint64_t idx = xorshift_13_7_17(state) % this.spots.len;
    147147                bool closed = put(*this.spots.ptr[idx], this, this.data, this.share);
    148148
  • libcfa/src/concurrency/clib/cfathread.cfa

    r5d1ebb9 r75965a6  
    2222#include "thread.hfa"
    2323#include "time.hfa"
     24#include "stdlib.hfa"
    2425
    2526#include "cfathread.h"
     
    195196                                eevent.data.u64 = (uint64_t)active_thread();
    196197
    197                                 int id = thread_rand() % poller_cnt;
     198                                int id = prng() % poller_cnt;
    198199                                if(0 != epoll_ctl(poller_fds[id], EPOLL_CTL_ADD, fd, &eevent))
    199200                                {
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