[Gretl-devel] Re: Speed of matrix "block" operations

On Mon, 14 Oct 2019, Allin Cottrell wrote: Confirmed here: home laptop matrix size = 2500000, (20000000 bytes) 1 columns per chunk: 4.1005s 2 columns per chunk: 3.9173s 5 columns per chunk: 4.3702s 10 columns per chunk: 4.3034s 25 columns per chunk: 3.7437s 50 columns per chunk: 3.7776s 100 columns per chunk: 5.0219s 125 columns per chunk: 5.2963s 500 columns per chunk: 4.2739s work desktop matrix size = 2500000, (20000000 bytes) 1 columns per chunk: 2.4840s 2 columns per chunk: 1.9271s 5 columns per chunk: 1.8937s 10 columns per chunk: 2.0993s 25 columns per chunk: 1.9555s 50 columns per chunk: 1.9354s 100 columns per chunk: 1.9425s 125 columns per chunk: 2.1190s 500 columns per chunk: 2.9539s ------------------------------------------------------- Riccardo (Jack) Lucchetti Dipartimento di Scienze Economiche e Sociali (DiSES) Università Politecnica delle Marche (formerly known as Università di Ancona) r.lucchetti(a)univpm.it http://www2.econ.univpm.it/servizi/hpp/lucchetti -------------------------------------------------------