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DIET/MINOR: task: reduce struct task size by 8 bytes

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Just by reordering the struct task, we could shrink it by 8 bytes from
120 to 112 bytes. A careful reordering allowed each part to be located
closer to the hot parts it's used with, resulting in another performance
increase of about 0.5%.
This commit is contained in:
Willy Tarreau 2013-12-07 01:01:39 +01:00
parent 5735d7e2a2
commit 05efc0f33a
1 changed files with 4 additions and 4 deletions
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8
include/types/task.h
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@ -52,14 +52,14 @@
/* The base for all tasks */ /* The base for all tasks */
struct task { struct task {
struct eb32_node wq; /* ebtree node used to hold the task in the wait queue */
struct eb32_node rq; /* ebtree node used to hold the task in the run queue */ struct eb32_node rq; /* ebtree node used to hold the task in the run queue */
int state; /* task state : bit field of TASK_* */ unsigned short state; /* task state : bit field of TASK_* */
int expire; /* next expiration date for this task, in ticks */ short nice; /* the task's current nice value from -1024 to +1024 */
unsigned int calls; /* number of times ->process() was called */ unsigned int calls; /* number of times ->process() was called */
struct task * (*process)(struct task *t); /* the function which processes the task */ struct task * (*process)(struct task *t); /* the function which processes the task */
void *context; /* the task's context */ void *context; /* the task's context */
int nice; /* the task's current nice value from -1024 to +1024 */ struct eb32_node wq; /* ebtree node used to hold the task in the wait queue */
int expire; /* next expiration date for this task, in ticks */
}; };
/* /*