Changeset 31c967b for libcfa/src/concurrency/kernel/private.hfa

Timestamp:

Oct 3, 2022, 4:37:59 PM (21 months ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, ast-experimental, master

Children:

d1cd4c4

Parents:

890f67a

Message:

Changed ready-queue so I can easily change the averaging algorithm.
Changed averaging to use logscale.

File:

• libcfa/src/concurrency/kernel/private.hfa (modified) (1 diff)

libcfa/src/concurrency/kernel/private.hfa

@@ -49 +49 @@
 #endif
 
+// #define READYQ_USE_LINEAR_AVG
+#define READYQ_USE_LOGDBL_AVG
+// #define READYQ_USE_LOGINT_AVG
+
+#if   defined(READYQ_USE_LINEAR_AVG)
+typedef unsigned long long __readyQ_avg_t;
+#elif defined(READYQ_USE_LOGDBL_AVG)
+typedef double __readyQ_avg_t;
+#elif defined(READYQ_USE_LOGDBL_AVG)
+typedef unsigned long long __readyQ_avg_t;
+#else
+#error must pick a scheme for averaging
+#endif
+
 //-----------------------------------------------------------------------------
 // Scheduler
+union __attribute__((aligned(64))) __timestamp_t {
+        struct {
+                volatile unsigned long long tv;
+                volatile __readyQ_avg_t ma;
+        } t;
+        char __padding[192];
+};
+
 extern "C" {
         void disable_interrupts() OPTIONAL_THREAD;