Changeset 591f084 for doc/theses/thierry_delisle_PhD

Timestamp:

Jun 5, 2020, 3:38:58 PM (5 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:

03045f18

Parents:

0da5cd5

Message:

Minor optimizations to snzi/snzm

Location:

doc/theses/thierry_delisle_PhD/code

Files:

• snzi.hpp (modified) (1 diff)
• snzm.hpp (modified) (3 diffs)

doc/theses/thierry_delisle_PhD/code/snzi.hpp

@@ -29 +29 @@
 
 private:
-        class __attribute__((aligned(64))) node {
+        class __attribute__((aligned(128))) node {
                 friend class snzi_t;
         private:

doc/theses/thierry_delisle_PhD/code/snzm.hpp

@@ -34 +34 @@
 
 private:
-        class __attribute__((aligned(64))) node {
+        class __attribute__((aligned(128))) node {
                 friend class snzm_t;
         private:
@@ -153 +153 @@
                         /* paranoid */ assert( (mask & ( 1 << bit )) == 0 );
 
+                        arrive_h();
                         __atomic_fetch_add( &mask, 1 << bit, __ATOMIC_RELAXED );
-                        arrive_h();
+                        // bts( (std::atomic_size_t&)mask, bit );
 
                 }
@@ -162 +163 @@
                         /* paranoid */ assert( (mask & ( 1 << bit )) != 0 );
 
+                        // btr( (std::atomic_size_t&)mask, bit );
+                        __atomic_fetch_sub( &mask, 1 << bit, __ATOMIC_RELAXED );
                         depart_h();
-                        __atomic_fetch_sub( &mask, 1 << bit, __ATOMIC_RELAXED );
                 }