On 12/02/2020 12:45 PM, Rich Freeman wrote: > On Wed, Dec 2, 2020 at 1:33 PM Frank Steinmetzger <war...@gmx.de> wrote: >> >> Am Tue, Dec 01, 2020 at 02:46:56PM -0700 schrieb the...@sys-concept.com: >>> Nothing scientific, but I was surprised how fast M.2 disk so decided to >>> time how fast GnuCash will load my accounting, her it is: >>> >>> Box 1.) >>> WD (spinning disk) CPU AMD-8150 (8-core), 16GiB >>> Time to open GnuCash - 23sec. >>> >>> Box 2.) >>> Samsung SSD 850, CPU AMD Ryzen 5 1400 Quad-Core, 16GiB >>> Time to open GnuCash - 15sec. >> >> I can hardly believe that. Does your duration include the entire boot >> process? If so, the times look quite alright, but that’s not what >> description says. >> > > Keep in mind these are different hosts, probably running different > software with different workloads/optimizations, with different CPUs, > differing amounts of RAM, and different storage technologies. > > It isn't particularly controversial to suppose that M.2 (NVMe) is > going to be faster than SATA-based SSD, which is going to be faster > than spinning disks. > > When you want to get to the exact differences you need to test on > configurations that are otherwise identical, and also account for > stuff like caching. > > Note also that M.2 is a form-factor, and you can find SATA-based M.2 > drives which aren't going to perform any better than any other > SATA-based drive. Also, since NVMe is far more capable than SATA/AHCI > it matters even more exactly what NVMe drive you're talking about. > The storage device itself, and the PCIe version can make a difference, > and of course you need a CPU/MB that can actually take advantage of > the drive's full capability. > > You might not need the max performance NVMe is capable of, but it is > something you should be aware of if you want to benchmark it.
You are correct, it wasn't any benchmark test. And yes, the old PC are about 10-year old and 3-4 years old; and the new one is just assembled. But I was surprised how fast the GnuCash open the database on a new box, so I time it for a curiosity.
