[Gretl-devel] Re: gretl for Windows

On 11/10/2024 19:31, Cottrell, Allin wrote: > What's changed in the new build? > > * We now link against the "new" (starting with Windows 10) Microsoft C > library, known as the Universal C Run-Time or UCRT. This is mainly a > matter of future-proofing, but it may bring improved performance in > some respects. > > * The graphical interface now uses version 3 of GTK (as opposed to > GTK2). The main reason for this change is that gretl should look > better on small high-resolution displays (as on laptops) when > App-scaling is in force in Windows. > > * Many of the other third-party libraries on which gretl depends have > been updated. > > * The cross-compiler with which we build gretl has been updated from > gcc 10.3.0 to gcc 14.2.0. More importantly: we found a problem in a third-party library that (on Windows only) made the invpd() function for inverting positive definite matrices quite slow for medium-sized matrices. The problem itself is not fixed, since it doesn't depend on us, but we managed to find a workaround that appears to be effective.