Re: During )dump / )copy, )dump / )load cycle the variable content gets lost and oone more stack trace.

Hi Jürgen, I tested *big←10?10* )save WS / )load WS.xml happens in almost no time. )dump WS / )load WS.apl takes abou 4min. (the load) on a /vendor_id: GenuineIntel cpu family: 6 model: 141 model name: Intel(R) Xeon(R) W-11955M CPU @ 2.60GHz cpu MHz: 800.000 cache size: 24576 KB //bogo

Re: During )dump / )copy, )dump / )load cycle the variable content gets lost and oone more stack trace.

Hi Hans-Peter, I have added some optimizations to 10 ⎕CR. Please let me know if this helps. Best Regards, Jürgen On 2/26/25 20:07, Hans-Peter Sorge wrote: Hi Jürgen, thank you. Loading a )DUMPed  WS.apl  brings the variable back - thank you. Now. Loading a )DUMPed  WS.apl with a 1⍴' ' v