Benchmark of DP, SP and Int. Arithmetic operations for ARM Cortex M7 MCU, Nucleo-144 Stm32F746 and Stm32F767 (modified from ddown post at "Arduino for STM32") by Jovan Ivković (JovanEps)
Diff: main.cpp
- Revision:
- 1:be78b18b8347
- Parent:
- 0:43b96e9650ef
- Child:
- 2:03cf226a5ba3
--- a/main.cpp Sun Jan 01 21:50:13 2017 +0000 +++ b/main.cpp Mon Jan 02 02:55:50 2017 +0000 @@ -35,10 +35,13 @@ */ double T,T1,T2,E1[5]; int J,K,L; +int argc = 0; //Mod for nucleo. Change in code below if you want non-default loop count -int argc=0;//Mod for nucleo. Change in code below if you want non-default loop count - -int whetstone() +//************************************ +//** Whetstone 64b-DP ** +//** SUB ** +//************************************ +int Whetstone() // ------------ Metoda ----------- { pc.baud(115200); pc.printf("Beginning Whetstone benchmark at "); @@ -52,12 +55,12 @@ int II, JJ; /* added for this version */ - long loopstart; - long startsec, finisec; + long loopstart = 0; + long startsec,finisec = 0; double KIPS; int continuous; - loopstart = 3000; /* 1000 see the note about LOOP below */ + loopstart = 25000; /* 1000 see the note about LOOP below */ continuous = 0; II = 1; /* start at the first arg (temp use of II here) */ @@ -69,8 +72,9 @@ ******************************************** */ timer.start(); - //startsec = time(0); - startsec = timer.read_ms(); + startsec = 0; + finisec = 0; + startsec = timer.read_us(); /* ******************************************** @@ -113,14 +117,15 @@ X3 = -1.0; X4 = -1.0; - for (I = 1; I <= N1; I++) { + for (I = 1; I <= N1; I++) + { X1 = (X1 + X2 + X3 - X4) * T; X2 = (X1 + X2 - X3 + X4) * T; X3 = (X1 - X2 + X3 + X4) * T; X4 = (-X1+ X2 + X3 + X4) * T; } #ifdef PRINTOUT - IF (JJ==II)POUT(N1,N1,N1,X1,X2,X3,X4); + IF (JJ==II) POUT(N1,N1,N1,X1,X2,X3,X4); #endif /* @@ -133,7 +138,8 @@ E1[3] = -1.0; E1[4] = -1.0; - for (I = 1; I <= N2; I++) { + for (I = 1; I <= N2; I++) + { E1[1] = ( E1[1] + E1[2] + E1[3] - E1[4]) * T; E1[2] = ( E1[1] + E1[2] - E1[3] + E1[4]) * T; E1[3] = ( E1[1] - E1[2] + E1[3] + E1[4]) * T; @@ -141,7 +147,7 @@ } #ifdef PRINTOUT - IF (JJ==II)POUT(N2,N3,N2,E1[1],E1[2],E1[3],E1[4]); + IF (JJ==II) POUT(N2,N3,N2,E1[1],E1[2],E1[3],E1[4]); #endif /* @@ -150,10 +156,11 @@ ******************************************** */ for (I = 1; I <= N3; I++) + { PA(E1); - + } #ifdef PRINTOUT - IF (JJ==II)POUT(N3,N2,N2,E1[1],E1[2],E1[3],E1[4]); + IF (JJ==II) POUT(N3,N2,N2,E1[1],E1[2],E1[3],E1[4]); #endif /* @@ -162,7 +169,8 @@ ******************************************** */ J = 1; - for (I = 1; I <= N4; I++) { + for (I = 1; I <= N4; I++) + { if (J == 1) J = 2; else @@ -180,7 +188,7 @@ } #ifdef PRINTOUT - IF (JJ==II)POUT(N4,J,J,X1,X2,X3,X4); + IF (JJ==II) POUT(N4,J,J,X1,X2,X3,X4); #endif /* @@ -194,7 +202,8 @@ K = 2; L = 3; - for (I = 1; I <= N6; I++) { + for (I = 1; I <= N6; I++) + { J = J * (K-J) * (L-K); K = L * K - (L-J) * K; L = (L-K) * (K+J); @@ -203,7 +212,7 @@ } #ifdef PRINTOUT - IF (JJ==II)POUT(N6,J,K,E1[1],E1[2],E1[3],E1[4]); + IF (JJ==II) POUT(N6,J,K,E1[1],E1[2],E1[3],E1[4]); #endif /* @@ -214,7 +223,8 @@ X = 0.5; Y = 0.5; - for (I = 1; I <= N7; I++) { + for (I = 1; I <= N7; I++) + { X = T * DATAN(T2*DSIN(X)*DCOS(X)/(DCOS(X+Y)+DCOS(X-Y)-1.0)); Y = T * DATAN(T2*DSIN(Y)*DCOS(Y)/(DCOS(X+Y)+DCOS(X-Y)-1.0)); } @@ -233,8 +243,9 @@ Z = 1.0; for (I = 1; I <= N8; I++) + { P3(X,Y,&Z); - + } #ifdef PRINTOUT IF (JJ==II)POUT(N8,J,K,X,Y,Z,Z); #endif @@ -252,10 +263,11 @@ E1[3] = 3.0; for (I = 1; I <= N9; I++) + { P0(); - + } #ifdef PRINTOUT - IF (JJ==II)POUT(N9,J,K,E1[1],E1[2],E1[3],E1[4]); + IF (JJ==II) POUT(N9,J,K,E1[1],E1[2],E1[3],E1[4]); #endif /* @@ -266,7 +278,8 @@ J = 2; K = 3; - for (I = 1; I <= N10; I++) { + for (I = 1; I <= N10; I++) + { J = J + K; K = J + K; J = K - J; @@ -274,7 +287,7 @@ } #ifdef PRINTOUT - IF (JJ==II)POUT(N10,J,K,X1,X2,X3,X4); + IF (JJ==II) POUT(N10,J,K,X1,X2,X3,X4); #endif /* @@ -285,10 +298,11 @@ X = 0.75; for (I = 1; I <= N11; I++) + { X = DSQRT(DEXP(DLOG(X)/T1)); - + } #ifdef PRINTOUT - IF (JJ==II)POUT(N11,J,K,X,X,X,X); + IF (JJ==II) POUT(N11,J,K,X,X,X,X); #endif /* @@ -305,8 +319,8 @@ ******************************************** */ // finisec = time(0); - finisec = timer.read_ms(); - timer.reset(); + finisec = timer.read_us(); + //timer.reset(); /* *-------------------------------------------------------------------- @@ -319,29 +333,33 @@ */ pc.printf(" kraj \n"); double vreme; - vreme = (finisec - startsec) / 1000; + vreme = (finisec - startsec) / 1000000; if (vreme <= 0) { pc.printf("Insufficient duration- Increase the LOOP count \n"); + finisec = 0; + startsec = 0; return 1; } - pc.printf("Loops: %ld, Iterations: %d, Duration: %ld sec. \n", + pc.printf("Loops: %ld , \t Iterations: %d, \t Duration: %.3f sec. \n", LOOP, II, vreme); KIPS = (100.0 * LOOP * II) / vreme ; // if (KIPS >= 1000.0) - // pc.printf("C Converted Double Precision Whetstones: %.1f MIPS \n\n", KIPS / 1000); + // pc.printf("C Converted Double Precision Whetstones: %.3f MIPS \n\n", KIPS / 1000); // else - // pc.printf("C Converted Double Precision Whetstones: %.1f KIPS \n\n", KIPS); + // pc.printf("C Converted Double Precision Whetstones: %.3f KIPS \n\n", KIPS); - pc.printf("C Converted Double Precision Whetstones: %.1f KIPS \n\n", KIPS); + pc.printf("C Converted Double Precision Whetstones: %.3f MIPS \n\n", KIPS / 1000); if (continuous) goto LCONT; + finisec = 0; + startsec = 0; return 1; } @@ -386,14 +404,21 @@ } #endif - -int main() { - int rez; +//********************************* +//** MAIN block ** +//********************************* +int main() +{ + int rez=0; printf("\n My Benchamrk example for Whetstones \n"); - while(1) { - myled=1; - rez = whetstone(); - myled=0; - } + while(1) + { + myled=1-rez; + + rez = Whetstone(); //Call of Whetstone banch metod + + myled=1-rez; + wait_us(0.3); + } } \ No newline at end of file