Performance issue with AllSmallGroups

[Stefan-Kohl]

Observed behaviour

gap> AllSmallGroups(Size,256,IsSolvable,false); time;
[ ]
0
gap> AllSmallGroups(Size,512,IsSolvable,false); time;
(... hangs ... )

Expected behaviour

gap> AllSmallGroups(Size,256,IsSolvable,false); time;
[ ]
0
gap> AllSmallGroups(Size,512,IsSolvable,false); time;
[ ]
0

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┌───────┐ GAP 4.11.0 of 29-Feb-2020
│ GAP │ https://www.gap-system.org
└───────┘ Architecture: x86_64-pc-linux-gnu-default64-kv7
Configuration: gmp 5.1.3, GASMAN
Loading the library and packages ...
Packages: GAPDoc 1.6.3, PrimGrp 3.4.0, SmallGrp 1.4.1, TransGrp 2.0.5
Try '??help' for help. See also '?copyright', '?cite' and '?authors'

[fingolfin]

This is a special case of gap-packages/smallgrp#4