diff --git a/platforms/README.md b/platforms/README.md
index 3cdb58d..9e188f1 100644
--- a/platforms/README.md
+++ b/platforms/README.md
@@ -1,17 +1,29 @@
 # Performance
 
 ```log
-Function:                                fib(24)   fib64(24)      comments
+Function:                                   fib(40)
 ----------------------------------------------------------------------------------------------------
-ESP8266             LX106 @ 160MHz         288ms       299ms      no TCO
-ESP32                 LX6 @ 240MHz         410ms       430ms      no TCO
-MXChip AZ3166      Arm M4 @ 100Mhz         651ms       713ms
-WM W600            Arm M3 @ 80MHz          716ms       782ms      stack used: 1952
-WM W600, TCO off   Arm M3 @ 80MHz          846ms       914ms      stack used: 8168
-BleNano2 (nRF52)   Arm M4 @ 64MHz          1.19s       1.29s
-Arduino MKR1000   Arm M0+ @ 48MHz          1.93s       2.06s      no TCO
-TinyBLE (nRF51)    Arm M0 @ 16MHz          5.58s       5.93s      no TCO, 16 Kb total RAM
-BluePill           Arm M3 @ 72MHz          7.62s       8.20s
-HiFive1 (FE310)  rv32imac @ 320MHz         9.10s       9.82s   <- something wrong here?
-Fomu                rv32i @ 12MHz          25.2s       26.1s
+Linux               i5-8250U @ 1.60GHz        4.63s
+Win 10              i5-8250U @ 1.60GHz        5.35s
+Linux (x86)         i5-8250U @ 1.60GHz       11.34s
+Linux RPi 4 (BCM2711B0)  A72 @ 1.5GHz        23.78s
+V8 (Chrome, wasm)   i5-8250U @ 1.60GHz       30.42s
+```
+
+```log
+Function:                                 fib32(24)   fib64(24)      comments
+----------------------------------------------------------------------------------------------------
+Maix (K210)        rv64imafc @ 400MHz          77ms        77ms
+ESP8266                LX106 @ 160MHz         288ms       299ms      no TCO
+ESP32                    LX6 @ 240MHz         410ms       430ms      no TCO
+MXChip AZ3166         Arm M4 @ 100Mhz         651ms       713ms
+WM W600               Arm M3 @ 80MHz          710ms       782ms      stack used: 1952
+WM W600, TCO off      Arm M3 @ 80MHz          840ms       914ms      stack used: 8168
+Arduino DUE (SAM3X8E) Arm M3 @ 84MHz          754ms       813ms
+BleNano2 (nRF52)      Arm M4 @ 64MHz          1.19s       1.29s
+Arduino MKR1000      Arm M0+ @ 48MHz          1.93s       2.06s      no TCO
+TinyBLE (nRF51)       Arm M0 @ 16MHz          5.58s       5.93s      no TCO, 16 Kb total RAM
+BluePill              Arm M3 @ 72MHz          7.62s       8.20s
+HiFive1 (FE310)     rv32imac @ 320MHz         9.10s       9.82s   <- something wrong here?
+Fomu                   rv32i @ 12MHz         25.20s      26.10s
 ```