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Diffstat (limited to 'docs')
| -rwxr-xr-x | docs/Debugging.md | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/docs/Debugging.md b/docs/Debugging.md index dbd600af..e76b38ed 100755 --- a/docs/Debugging.md +++ b/docs/Debugging.md @@ -374,6 +374,34 @@ The test was last run on commit `b161a69e` with gcc version stepper result is `SET ticks 277`, the best dual stepper result is `SET ticks 410`, and the best three stepper result is `SET ticks 664`. +## Command dispatch benchmark ## + +The command dispatch benchmark tests how many "dummy" commands the +micro-controller can process. It is primarily a test of the hardware +communication mechanism. The test is run using the console.py tool +(described above). The following is cut-and-paste into the console.py +terminal window: +``` +DELAY {clock+freq} get_uptime +FLOOD 100000 0.0 end_group +get_uptime +``` + +When the test completes, determine the difference between the clocks +reported in the two "uptime" response messages. The total number of +commands per second is then `100000 * mcu_frequency / clock_diff`. + +| MCU | Rate | Build | Build compiler | +| ------------------- | ---- | -------- | -------------------- | +| atmega2560 (serial) | 23K | b161a69e | avr-gcc (GCC) 4.8.1) | +| at90usb1286 (USB) | 75K | b161a69e | avr-gcc (GCC) 4.8.1) | +| sam3x8e (serial) | 23K | b161a69e | arm-none-eabi-gcc (Fedora 7.1.0-5.fc27) 7.1.0 | +| pru (shared memory) | 4.8K | b161a69e | pru-gcc (GCC) 8.0.0 20170530 (experimental) | +| stm32f103 (USB) | 335K | b161a69e | arm-none-eabi-gcc (Fedora 7.1.0-5.fc27) 7.1.0 | +| lpc1768 (USB) | 546K | b161a69e | arm-none-eabi-gcc (Fedora 7.1.0-5.fc27) 7.1.0 | +| lpc1769 (USB) | 619K | b161a69e | arm-none-eabi-gcc (Fedora 7.1.0-5.fc27) 7.1.0 | +| samd21 (USB) | 238K | b161a69e | arm-none-eabi-gcc (Fedora 7.1.0-5.fc27) 7.1.0 | + Host Benchmarks =============== |