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16-bit limbs are faster than 32-bit on ESP8266

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Rhys Weatherley 2018-04-02 15:08:55 +10:00
parent e2420adfc5
commit 599e417f0e
1 changed files with 2 additions and 1 deletions
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3
libraries/Crypto/BigNumberUtil.h
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@ -27,8 +27,9 @@
#include <stddef.h> #include <stddef.h>
// Define exactly one of these to 1 to set the size of the basic limb type. // Define exactly one of these to 1 to set the size of the basic limb type.
#if defined(__AVR__) #if defined(__AVR__) || defined(ESP8266)
// 16-bit limbs seem to give the best performance on 8-bit AVR micros. // 16-bit limbs seem to give the best performance on 8-bit AVR micros.
// They also seem to give better performance on ESP8266 as well.
#define BIGNUMBER_LIMB_8BIT 0 #define BIGNUMBER_LIMB_8BIT 0
#define BIGNUMBER_LIMB_16BIT 1 #define BIGNUMBER_LIMB_16BIT 1
#define BIGNUMBER_LIMB_32BIT 0 #define BIGNUMBER_LIMB_32BIT 0