Hi Eric, I think John already answered your TLDR reply by saying:
"In this instance whether it takes 0.2 second or 1.5 seconds is really irrelevant." am Mittwoch, 12. März 2025 um 23:07 schrieben Sie: > Hi John, > your task is assembling multi-file assembly language sources. > That reminds me of speeding up complex C project compiles in DOS. > Depending on how your tools work, you may want to try to run the > task in a RAMDISK for comparison. Copy the source files there, > assemble everything, copy the binary back. Might be much faster > than assembling on a physical SSD or even harddisk FAT partition, > even when loading a DOS disk cache. > If you use FAT32 and/or long file names, things may get slower. > When you use emulators in Windows or Linux, things may be much > faster, because the physical filesystem is managed by Windows > or Linux, with advanced caches and filesystems like NTFS or > ext4fs which are far more modern than classic FAT for DOS. > If your assembler produces much output on the screen, try to > use NANSI instead of ANSI, or maybe do not load ANSI at all. > The bandwidth of your RAM and SSD, as well as the IOPS of your > SSD, may also be relevant when comparing WinXP to Linux etc. > I assume QEMU uses a single file disk image to create the disk > on which your DOS runs, while DOSEMU2 defaults to redirection > of Linux directories. However, you can also configure DOSEMU2 > to use disk images, so you could create a disk image D: drive > next to your normal DOSEMU2 C: drive and compare their speeds. > In addition, you can compare different filesystems to put > the Linux directory or the disk images in Linux or Windows. > If your assemblers use lots of small disk writes, Ext4fs or > XFS with journaling might be slower than ext2fs without it. > Even tuning tricks such as those for databases may help you: > https://virtual-dba.com/blog/linux-os-and-file-system-tuning-for-database-servers/ > Regards, Eric Tom _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user
