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Eo do: Reuse stack fetching across eo functions. 

This causes a significant speed up (around 10% here) and is definitely
worth it. The way it's done lets the compiler cache the value across
different eo_do calls, and across the parts of eo_do. Start and end.

This breaks ABI.
This commit is contained in:
Tom Hacohen 2015-10-16 16:23:48 +01:00
parent 3ee44dcef0
commit 07ea62419a
2 changed files with 28 additions and 20 deletions
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21
src/lib/eo/Eo.h
View File

@ -540,28 +540,31 @@ EAPI Eo_Op _eo_api_op_id_get(const void *api_func);
EAPI Eina_Bool _eo_call_resolve(const char *func_name, const Eo_Op op, Eo_Op_Call_Data *call, const char *file, int line);
// start of eo_do barrier, gets the object pointer and ref it, put it on the stask
EAPI Eina_Bool _eo_do_start(const Eo *obj, const Eo_Class *cur_klass, Eina_Bool is_super, const char *file, const char *func, int line);
EAPI Eina_Bool _eo_do_start(const Eo *obj, const Eo_Class *cur_klass, Eina_Bool is_super, void *eo_stack);
// end of the eo_do barrier, unref the obj, move the stack pointer
EAPI void _eo_do_end(void);
EAPI void _eo_do_end(void *eo_stack);
// end of the eo_add. Calls finalize among others
EAPI Eo * _eo_add_end(void);
EAPI Eo * _eo_add_end(void *eo_stack);
// XXX: We cheat and make it const to indicate to the compiler that the value never changes
EAPI EINA_CONST void *_eo_stack_get(void);
// eo object method calls batch,
#define _eo_do_common(eoid, clsid, is_super, ...) \
do { \
_eo_do_start(eoid, clsid, is_super, __FILE__, __FUNCTION__, __LINE__); \
_eo_do_start(eoid, clsid, is_super, _eo_stack_get()); \
__VA_ARGS__; \
_eo_do_end(); \
_eo_do_end(_eo_stack_get()); \
} while (0)
#define _eo_do_common_ret(eoid, clsid, is_super, ret_tmp, func) \
( \
_eo_do_start(eoid, clsid, is_super, __FILE__, __FUNCTION__, __LINE__), \
_eo_do_start(eoid, clsid, is_super, _eo_stack_get()), \
ret_tmp = func, \
_eo_do_end(), \
_eo_do_end(_eo_stack_get()), \
ret_tmp \
)
@ -595,9 +598,9 @@ EAPI const Eo_Class *eo_class_get(const Eo *obj);
#define _eo_add_common(klass, parent, is_ref, ...) \
( \
_eo_do_start(_eo_add_internal_start(__FILE__, __LINE__, klass, parent, is_ref), \
klass, EINA_FALSE, __FILE__, __FUNCTION__, __LINE__) \
klass, EINA_FALSE, _eo_stack_get()) \
, ##__VA_ARGS__, \
(Eo *) _eo_add_end() \
(Eo *) _eo_add_end(_eo_stack_get()) \
)
/**

27
src/lib/eo/eo.c
View File

@ -377,7 +377,7 @@ _eo_call_stack_free(void *ptr)
static Eo_Call_Stack *main_loop_stack = NULL;
#define _EO_CALL_STACK_GET(is_main_loop) ((EINA_LIKELY(is_main_loop)) ? main_loop_stack : _eo_call_stack_get_thread())
#define _EO_CALL_STACK_GET() ((EINA_LIKELY(eina_main_loop_is())) ? main_loop_stack : _eo_call_stack_get_thread())
static inline Eo_Call_Stack *
_eo_call_stack_get_thread(void)
@ -405,6 +405,12 @@ _eo_call_stack_get_thread(void)
return stack;
}
EAPI EINA_CONST void *
_eo_stack_get(void)
{
return _EO_CALL_STACK_GET();
}
static inline void
_eo_call_stack_resize(Eo_Call_Stack *stack, Eina_Bool grow)
{
@ -489,11 +495,11 @@ _eo_do_internal(const Eo *eo_id, const Eo_Class *cur_klass_id,
}
EAPI Eina_Bool
_eo_do_start(const Eo *eo_id, const Eo_Class *cur_klass_id, Eina_Bool is_super, const char *file EINA_UNUSED, const char *func EINA_UNUSED, int line EINA_UNUSED)
_eo_do_start(const Eo *eo_id, const Eo_Class *cur_klass_id, Eina_Bool is_super, void *eo_stack)
{
Eina_Bool ret = EINA_TRUE;
Eo_Stack_Frame *fptr, *pfptr;
Eo_Call_Stack *stack = _EO_CALL_STACK_GET(eina_main_loop_is());
Eo_Call_Stack *stack = eo_stack;
if (stack->frame_ptr == stack->last_frame)
_eo_call_stack_resize(stack, EINA_TRUE);
@ -517,10 +523,10 @@ _eo_do_start(const Eo *eo_id, const Eo_Class *cur_klass_id, Eina_Bool is_super,
}
EAPI void
_eo_do_end(void)
_eo_do_end(void *eo_stack)
{
Eo_Stack_Frame *fptr;
Eo_Call_Stack *stack = _EO_CALL_STACK_GET(eina_main_loop_is()); // Is it possible to extract information from the scope ?
Eo_Call_Stack *stack = eo_stack;
fptr = stack->frame_ptr;
@ -549,7 +555,7 @@ _eo_call_resolve(const char *func_name, const Eo_Op op, Eo_Op_Call_Data *call, c
const op_type_funcs *func;
Eina_Bool is_obj;
fptr = _EO_CALL_STACK_GET(eina_main_loop_is())->frame_ptr;
fptr = _EO_CALL_STACK_GET()->frame_ptr;
if (EINA_UNLIKELY(!fptr->o.obj))
return EINA_FALSE;
@ -895,10 +901,9 @@ _eo_add_internal_start(const char *file, int line, const Eo_Class *klass_id, Eo
}
static Eo *
_eo_add_internal_end(Eo *eo_id)
_eo_add_internal_end(Eo *eo_id, Eo_Call_Stack *stack)
{
Eo_Stack_Frame *fptr;
Eo_Call_Stack *stack = _EO_CALL_STACK_GET(eina_main_loop_is());
fptr = stack->frame_ptr;
@ -955,11 +960,11 @@ cleanup:
}
EAPI Eo *
_eo_add_end(void)
_eo_add_end(void *eo_stack)
{
Eo *ret = eo_finalize();
ret = _eo_add_internal_end(ret);
_eo_do_end();
ret = _eo_add_internal_end(ret, eo_stack);
_eo_do_end(eo_stack);
return ret;
}