Changes in libcfa/src/concurrency/thread.cfa [2210cfc:5d1ebb9]

File:

• libcfa/src/concurrency/thread.cfa (modified) (5 diffs)

libcfa/src/concurrency/thread.cfa

@@ -10 +10 @@
 // Created On       : Tue Jan 17 12:27:26 2017
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Mon Jan 10 17:05:35 2022
-// Update Count     : 28
+// Last Modified On : Thu Jan 13 20:11:55 2022
+// Update Count     : 42
 //
 
@@ -25 +25 @@
 #include "invoke.h"
 
-uint64_t thread_rand();
-
-extern uint32_t __thread_seed;                                                  // global thread seed
+extern uint32_t __global_random_seed;
 
 //-----------------------------------------------------------------------------
@@ -41 +39 @@
         self_mon.owner = &this;
         self_mon.recursion = 1;
-        random_state = __thread_seed;
         self_mon_p = &self_mon;
         curr_cluster = &cl;
@@ -48 +45 @@
         preferred = ready_queue_new_preferred();
         last_proc = 0p;
+        random_state = __global_random_seed;
         #if defined( __CFA_WITH_VERIFY__ )
                 canary = 0x0D15EA5E0D15EA5Ep;
@@ -174 +172 @@
 }
 
-uint64_t thread_rand() {
-        disable_interrupts();
-        uint64_t ret = __tls_rand();
-        enable_interrupts();
-        return ret;
-}
-
+//-----------------------------------------------------------------------------
 #define GENERATOR LCG
 
-inline uint32_t MarsagliaXor( uint32_t & state ) {
-        state ^= state << 6;
-        state ^= state >> 21;
-        state ^= state << 7;
-        return state;
-} // MarsagliaXor
-
-inline uint32_t LCG( uint32_t & state ) {                               // linear congruential generator
-        return state = 36969 * (state & 65535) + (state >> 16); // 36969 is NOT prime!
-} // LCG
-
-void set_seed( uint32_t seed ) { active_thread()->random_state = seed; __thread_seed = seed; }
+void set_seed( uint32_t seed ) {
+        active_thread()->random_state = __global_random_seed = seed;
+        GENERATOR( active_thread()->random_state );
+} // set_seed
 uint32_t prng( void ) { return GENERATOR( active_thread()->random_state ); } // [0,UINT_MAX]