Call fftw_cleanup to deallocate all memory allocated by FFTW

FFTW caches a small amount of persistent memory. The memory "leak" is benign. Nevertheless, we call fftw_cleanup to deallocate all memory allocated by FFTW for sanitizers.
AMReX-Codes · Jan 9, 2025 · 8662322 · 8662322
1 parent 731efdc
commit 8662322
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/Src/FFT/AMReX_FFT.cpp b/Src/FFT/AMReX_FFT.cpp
@@ -39,6 +39,10 @@ void Finalize ()
         AMREX_ROCFFT_SAFE_CALL(rocfft_cleanup());
 #endif
     }
+
+#if defined(AMREX_USE_FFT) && !defined(AMREX_USE_GPU)
+    fftw_cleanup();
+#endif
 }
 
 void Clear ()