Changeset 37ba662 for libcfa/src/concurrency/kernel.hfa

Timestamp:

Jun 16, 2020, 3:32:00 PM (3 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, arm-eh, ast-experimental, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

04b5cef

Parents:

2073d207

Message:

Minor improvements to alignments and memory layout

File:

• libcfa/src/concurrency/kernel.hfa (modified) (5 diffs)

libcfa/src/concurrency/kernel.hfa

@@ -61 +61 @@
 
 // Wrapper around kernel threads
-struct processor {
+struct __attribute__((aligned(128))) processor {
+        // Main state
         inline __processor_id_t;
 
-        // Main state
+        // Cluster from which to get threads
+        struct cluster * cltr;
+
+        // Set to true to notify the processor should terminate
+        volatile bool do_terminate;
+
         // Coroutine ctx who does keeps the state of the processor
         struct processorCtx_t runner;
-
-        // Cluster from which to get threads
-        struct cluster * cltr;
 
         // Name of the processor
@@ -90 +93 @@
         // Idle lock (kernel semaphore)
         __bin_sem_t idle;
-
-        // Termination
-        // Set to true to notify the processor should terminate
-        volatile bool do_terminate;
 
         // Termination synchronisation (user semaphore)
@@ -153 +152 @@
 //TODO adjust cache size to ARCHITECTURE
 // Structure holding the relaxed ready queue
-struct __attribute__((aligned(128))) __ready_queue_t {
+struct __ready_queue_t {
         // Data tracking how many/which lanes are used
         // Aligned to 128 for cache locality
@@ -162 +161 @@
         // used can change on each push/pop but this data
         // only changes on shrink/grow
-        struct __attribute__((aligned(64))) {
+        struct {
                 // Arary of lanes
                 __intrusive_lane_t * volatile data;
@@ -176 +175 @@
 //-----------------------------------------------------------------------------
 // Cluster
-struct cluster {
+struct __attribute__((aligned(128))) cluster {
         // Ready queue for threads
         __ready_queue_t ready_queue;