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Use built-in paralel for.

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This commit is contained in:
Thomas Harte 2024-12-07 09:32:32 -06:00
parent e9826d2e7e
commit 590bd934c0
1 changed files with 12 additions and 17 deletions
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29
OSBindings/Mac/Clock SignalTests/CommodoreStaticAnalyserTests.mm
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@ -45,17 +45,16 @@ struct HitRate {
auto &matches = matches_source;
NSDirectoryEnumerator<NSString *> *enumerator = [[NSFileManager defaultManager] enumeratorAtPath:path];
const auto dispatch_group = dispatch_group_create();
NSMutableArray<NSString *> *items = [[NSMutableArray alloc] init];
while(NSString *diskItem = [enumerator nextObject]) {
const NSString *type = [[enumerator fileAttributes] objectForKey:NSFileType];
if(![type isEqual:NSFileTypeRegular]) {
continue;
}
[items addObject:[path stringByAppendingPathComponent:diskItem]];
}
dispatch_apply(([items count] + 9) / 10, dispatch_get_global_queue(QOS_CLASS_DEFAULT, 0), ^(size_t iteration) {
const auto base = iteration * 10;
for(size_t index = base; index < base + 10 && index < [items count]; index++) {
NSString *const fullPath = [items objectAtIndex:index];
NSString *const fullPath = [path stringByAppendingPathComponent:diskItem];
dispatch_group_async(dispatch_group, dispatch_get_global_queue(QOS_CLASS_USER_INTERACTIVE, 0), ^{
const auto list = Analyser::Static::GetTargets(fullPath.UTF8String);
if(list.empty()) {
return;
@ -68,15 +67,11 @@ struct HitRate {
const auto &first = *list.begin();
matches += first->machine == machine;
}
NSLog(@"Currently %d in %d, i.e. %0.2f",
matches.load(), files.load(), float(matches.load()) / float(files.load()));
});
if(!(files % 100)) {
NSLog(@"Currently %d in %d, i.e. %0.2f",
matches.load(), files.load(), float(matches.load()) / float(files.load()));
}
});
}
dispatch_group_wait(dispatch_group, DISPATCH_TIME_FOREVER);
return HitRate {
.files = files,
.matches = matches,