diff --git a/Performance.md b/Performance.md new file mode 100644 index 0000000..cab4e25 --- /dev/null +++ b/Performance.md @@ -0,0 +1,37 @@ +# TLDR + +When using the BlueSCSI on a Vintage Mac you can expect about `1024KB/sec` read, `900KB/sec` write, `1ms` seek. Keep reading to see what factors may influence your speed. + +# Help us collect data + +If you'd like to share, please [fill out this form with your own benchmark data](https://docs.google.com/forms/d/e/1FAIpQLScPQGpAXTiPiDZ_YyXqeCFk51yREVQ2pP43sESzV2b1NxAy6Q/viewform) to help us see patterns in performance. + +# Influences on speed of BlueSCSI + +These are 25-30 year old computers, there are many things that change the profile of the performance you get. + +The main thing to remember is to enjoy your vintage computer. + +## Testing software + +Most users use [SCSI Director Pro 4](https://macintoshgarden.org/apps/scsi-director-pro-40) but other software may provide different results. + +## Host machine + +A PowerPC machine is going to have faster access than a Plus or SE. + +## SD Format + +Using exFAT as the format will provide a substantial increase in speed over FAT32. + +## SD Card + +Quality, name brand SD cards can provide a gain in performance over no name or fakes. + +## BluePill + +The CH32 clone does benchmark slightly better than the STM32, though it is a very small difference. Other clones, fakes, etc show little to no difference. + +## Comparing to Spinning Disks + +Spinning HDD have higher read/write speeds, but the BlueSCSI (and all modern SCSI SD solutions) "feel" faster due to the near instant seek times. \ No newline at end of file