Skip to content

make __builtin_prefetch noop on Visual Studio #124

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
ben-zoo wants to merge 1 commit into
base: master
Choose a base branch
from
Open

make __builtin_prefetch noop on Visual Studio #124

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
8 changes: 8 additions & 0 deletions src/include/falconn/core/prefetchers.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -33,7 +33,9 @@ class StdVectorPrefetcher<

void prefetch(const std::vector<PointType>& points,
int_fast64_t prefetch_index) {
#ifndef _MSC_VER
__builtin_prefetch((points[prefetch_index]).data(), 0, 1);
#endif
}
};

Expand All @@ -47,14 +49,20 @@ class StdVectorPrefetcher<std::vector<std::pair<IndexType, CoordinateType>>> {

void prefetch(const std::vector<PointType>& points,
int_fast64_t prefetch_index) {
#ifndef _MSC_VER
__builtin_prefetch((points[prefetch_index]).data(), 0, 1);
#endif
}
};

template <typename T>
class PlainArrayPrefetcher {
public:
#ifndef _MSC_VER
void prefetch(const T* p) { __builtin_prefetch(p, 0, 1); }
#else
void prefetch(const T* p) { ; }
#endif
};

} // namespace core
Expand Down