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fix major performance regression in ArduinoFFT

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since v2.0.0, we cannot override the internal sqrt function by #define --> moved to build_flags.

Average FFT time on esp32 : 4.5ms --> 1.8ms
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Frank 2024-10-22 14:42:48 +02:00
parent 0a97e28aab
commit 7db1989093
1 changed files with 2 additions and 1 deletions
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platformio.ini
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@ -260,6 +260,7 @@ lib_deps =
${env.lib_deps} ${env.lib_deps}
# additional build flags for audioreactive # additional build flags for audioreactive
AR_build_flags = -D USERMOD_AUDIOREACTIVE AR_build_flags = -D USERMOD_AUDIOREACTIVE
-D sqrt_internal=sqrtf ;; -fsingle-precision-constant ;; forces ArduinoFFT to use float math (2x faster)
AR_lib_deps = kosme/arduinoFFT @ 2.0.1 AR_lib_deps = kosme/arduinoFFT @ 2.0.1
[esp32_idf_V4] [esp32_idf_V4]