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binary serch when size > 16

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This commit is contained in:
pikastech 2022-10-15 23:32:34 +08:00
parent 2244e33943
commit 86686a99b9
3 changed files with 28 additions and 31 deletions
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2
port/linux/.vscode/launch.json vendored
View File

@ -11,7 +11,7 @@
"program": "${workspaceFolder}/build/test/pikascript_test",
// "program": "${workspaceFolder}/build/boot/demo06-pikamain/pikascript_demo06-pikamain",
"args": [
"--gtest_filter=vm.c_module_get_set_attr"
// "--gtest_filter=vm.c_module_get_set_attr"
],
"stopAtEntry": false,
"cwd": "${workspaceFolder}",

55
src/PikaObj.c
View File

@ -331,47 +331,44 @@ Arg* _obj_getProp(PikaObj* obj, char* name) {
}
}
Hash method_hash = hash_time33(name);
#define BINARY_SEARCH_ENABLE 1
while (1) {
if (prop == NULL) {
break;
}
#if BINARY_SEARCH_ENABLE
/* binary search */
int size = prop->methodGroupCount;
/* binary search */
if (size == 0) {
goto next;
}
int left = 0;
int right = size - 1;
int mid = 0;
int i = 0;
while (1) {
i++;
if (left > right) {
break;
if (size > 16) {
int left = 0;
int right = size - 1;
int mid = 0;
while (1) {
if (left > right) {
break;
}
mid = (right + left) >> 1;
Arg* prop_this = (Arg*)(prop->methodGroup + mid);
if (prop_this->name_hash == method_hash) {
method = prop_this;
goto exit;
} else if (prop_this->name_hash < method_hash) {
left = mid + 1;
} else {
right = mid - 1;
}
}
mid = (right + left) >> 1;
Arg* prop_this = (Arg*)(prop->methodGroup + mid);
if (prop_this->name_hash == method_hash) {
method = prop_this;
goto exit;
} else if (prop_this->name_hash < method_hash) {
left = mid + 1;
} else {
right = mid - 1;
}
}
#else
for (int i = 0; i < (int)prop->methodGroupCount; i++) {
Arg* prop_this = (Arg*)(prop->methodGroup + i);
if (prop_this->name_hash == method_hash) {
method = prop_this;
goto exit;
} else {
for (int i = 0; i < (int)prop->methodGroupCount; i++) {
Arg* prop_this = (Arg*)(prop->methodGroup + i);
if (prop_this->name_hash == method_hash) {
method = prop_this;
goto exit;
}
}
}
goto next;
#endif
next:
prop = (NativeProperty*)prop->super;
}

2
src/PikaVersion.h
View File

@ -2,4 +2,4 @@
#define PIKA_VERSION_MINOR 11
#define PIKA_VERSION_MICRO 4
#define PIKA_EDIT_TIME "2022/10/10 21:37:18"
#define PIKA_EDIT_TIME "2022/10/15 23:32:32"