add RP2040

README.md

@@ -50,15 +50,18 @@
 |0.0128|[pi.c](https://gitlab.cba.mit.edu/zfredin/stm32f412_core/tree/master/nucleo-f412zg/pi)|C<br>floats, -O3, gcc-arm-none-eabi, 84 MHz|STM32F412<br>ARM Cortex M4F|October, 2019|
 |0.010|prior|Cray Y-MP4/464|C, scalar|prior|
 |0.006|[pi.ino](Arduino/pi.ino)|Arduino, floats|ESP32-WROOM|December, 2020|
+|0.0026|[pi.ino](Arduino/pi.ino)|Arduino, floats, 250 MHz, -O3|RP2040|December, 2022|
 |0.001|prior|Sun SPARCStation 1|C|prior|
 |0.001|prior|DEC VAX 8650|C|prior|
 |0.0007|prior|Intel 486|C|prior|
+|0.00021|[pi.py](Python/pi.py)|Python, 250 MHz|RP2040|December, 2022|
 |0.0002|[pi.ino](Arduino/pi.ino)|Arduino, floats|ATSAMD21E|December, 2020|
 |0.0001|[pi.ino](Arduino/pi.ino)|Arduino, floats|ATtiny1614|December, 2020|
 |0.00003|prior|Sun 3/60|C|prior|
 |0.00003|prior|Intel 286|C|prior|
 |0.000001|prior|Intel 8088|C|prior|
 
+
 |estimated GFlops|estimated GFlops/W|estimated GFlops/$|code|description|system|date|
 |---|---|---|---|---|---|---|
 |0.093|0.38|0.012|[pi.ino](Arduino/pi.ino)|Arduino, floats|IMXRT1062<br>Teensy 4.1<br>600 MHz|August, 2021|