We have open issues on GitHub about memory leaks. See e.g. https://github.com/sagemath/sage/issues/32604 https://github.com/sagemath/sage/issues/27261
On Thu, Jan 8, 2026 at 8:05 AM Georgi Guninski <[email protected]> wrote: > > I observed that Singular leaks a lot and here is small testcase. > > sage 10.8 on linux with system Singular > Singular for x86_64-Linux version 4.4.1 (44100, 64 bit) Jan 2025 > > Attaching a testcase, where > Singular.groebner_basis(algorithm="singular:std") in a loop is > interrupted by alarm() has the following properties: > > In the ipython shell, each alarm starts new sage shell + new system > process Singular. I saw them in the XFCE system manager. > When exiting the main sage, the Singular subprocesses survive and use > a lot of RAM, the OOM kills other than Singular processes, which > borders with DOS. > > === > > > def singular_leak1(n=50,ntries=100,algorithm="singular:std"): > """ > Interrupting singular.groebner_basis() with alarm > Author: Georgi Guninski Thu Jan 8 01:09:42 PM UTC 2026 > """ > Kx=PolynomialRing(GF(2),'x',n) > for i in range(ntries): > print(i) > I=[Kx.random_element(degree=3) for _ in range(n//2)] > alarm(1) > try: > gb=Ideal(I).groebner_basis(algorithm=algorithm) > except Exception as e: > print(' exception',e) > cancel_alarm() > > -- > You received this message because you are subscribed to the Google Groups > "sage-devel" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion visit > https://groups.google.com/d/msgid/sage-devel/CAGUWgD-dRAMCUxbpqKspzAmOyB4%3DotCnaXmnr-hvXkZne14pWA%40mail.gmail.com. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion visit https://groups.google.com/d/msgid/sage-devel/CAAWYfq2o9xm-8X9H%3D_3oJn1OV60itOu_Ri2SWJsVs3i_Hwknew%40mail.gmail.com.
