// Benchmarks from the LiDIA home page #include #include #include #include #include #include #include #include #include #include #include #include // Timings on Linux i486 33 MHz, 1000 decimal places = 104 32-bit words. // Function LiDIA Pari CLISP CLN // pi 0.17 / 0 0.38 / 0 0.12 / 0 // gamma 7.51 / 0 -- 3.75 / 0 // e 1.20 5.06 / 0.20 0.66 / 0.10 // multiplication 0.018 0.010 0.010 // sqrt(3) 0.051 0.012 0.01 // exp(log(2)) 3.13 0.08 / 3.94 0.04 // log(exp(2)) 3.07 4.93 / 2.75 1.34 // sin(pi/3) 1.53 2.98 0.58 // cos(pi/3) 1.59 2.16 0.58 // arcsin(sqrt(3)/2) 4.24 2.22 1.26 // arccos(sqrt(3)/2) 4.26 2.22 1.26 // sinh(log(2)) 3.16 2.02 0.03 // cosh(log(2)) 3.17 2.09 0.04 // arsinh(pi) 1.93 2.62 0.65 // arcosh(pi) 1.95 2.26 0.69 // (Versions: Pari 1.39, clisp-1996-07-22, cln-1996-11-17.) // Timings on Solaris Sparc 20, 75 MHz, 1000 decimal places = 104 32-bit words. // Function LiDIA Pari CLISP CLN // pi 0.06 / 0 0.04 / 0 0.028 / 0 // gamma 1.98 / 0 1.26 / 0 1.99 / 0 // e 0 0.15 0.15 // multiplication // sqrt(3) 0.0025 0.01 0.0025 // exp(log(2)) 0.25 0.39 0.010 // log(exp(2)) 0.21 0.39 0.31 // sin(pi/3) 0.071 0.18 0.13 // cos(pi/3) 0.070 0.19 0.13 // arcsin(sqrt(3)/2) 0.30 0.55 0.27 // arccos(sqrt(3)/2) 0.30 0.55 0.27 // sinh(log(2)) 0.25 0.41 0.010 // cosh(log(2)) 0.25 0.40 0.010 // arsinh(pi) 0.16 0.26 0.144 // arcosh(pi) 0.16 0.26 0.153 // (Versions: Pari 1.39, LiDIA 1.2.1 with libI, cln-1996-10-13.) int main (int argc, char * argv[]) { int repetitions = 1; if ((argc >= 3) && !strcmp(argv[1],"-r")) { repetitions = atoi(argv[2]); argc -= 2; argv += 2; } if (argc < 1) exit(1); fprint(cl_stderr, "Number of repetitions: "); fprintdecimal(cl_stderr, repetitions); fprint(cl_stderr, "\n"); cl_float_format_t prec = cl_float_format(1000); fprint(cl_stderr, "pi\n"); { cl_F p; { CL_TIMING; p = cl_pi(prec); } { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { cl_F p = cl_pi(prec); } } cout << p << endl << endl; } fprint(cl_stderr, "gamma\n"); { cl_F p; { CL_TIMING; p = cl_eulerconst(prec); } { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { cl_F p = cl_eulerconst(prec); } } cout << p << endl << endl; } fprint(cl_stderr, "e\n"); { cl_F p = cl_exp1(prec); { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { cl_F p = cl_exp1(prec); } } cout << p << endl << endl; } fprint(cl_stderr, "sqrt(3)\n"); { cl_R p = sqrt(cl_float(3,prec)); { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { cl_R p = sqrt(cl_float(3,prec)); } } cout << p << endl << endl; } fprint(cl_stderr, "exp(log(2))\n"); { cl_N p = exp(log(cl_float(2,prec))); { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { cl_N p = exp(log(cl_float(2,prec))); } } cout << p << endl << endl; } fprint(cl_stderr, "log(exp(2))\n"); { cl_N p = log(exp(cl_float(2,prec))); { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { cl_N p = log(exp(cl_float(2,prec))); } } cout << p << endl << endl; } fprint(cl_stderr, "sin(pi/3)\n"); { cl_R p = sin(cl_pi(prec)/3); { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { cl_R p = sin(cl_pi(prec)/3); } } cout << p << endl << endl; } fprint(cl_stderr, "cos(pi/3)\n"); { cl_R p = cos(cl_pi(prec)/3); { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { cl_R p = cos(cl_pi(prec)/3); } } cout << p << endl << endl; } fprint(cl_stderr, "arcsin(sqrt(3)/2)\n"); { cl_N p = asin(sqrt(cl_float(3,prec))/2); { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { cl_N p = asin(sqrt(cl_float(3,prec))/2); } } cout << p << endl << endl; } fprint(cl_stderr, "arccos(sqrt(3)/2)\n"); { cl_N p = acos(sqrt(cl_float(3,prec))/2); { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { cl_N p = acos(sqrt(cl_float(3,prec))/2); } } cout << p << endl << endl; } fprint(cl_stderr, "sinh(log(2))\n"); { cl_N p = sinh(log(cl_float(2,prec))); { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { cl_N p = sinh(log(cl_float(2,prec))); } } cout << p << endl << endl; } fprint(cl_stderr, "cosh(log(2))\n"); { cl_N p = cosh(log(cl_float(2,prec))); { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { cl_N p = cosh(log(cl_float(2,prec))); } } cout << p << endl << endl; } fprint(cl_stderr, "arsinh(pi)\n"); { cl_N p = asinh(cl_pi(prec)); { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { cl_N p = asinh(cl_pi(prec)); } } cout << p << endl << endl; } fprint(cl_stderr, "arcosh(pi)\n"); { cl_N p = acosh(cl_pi(prec)); { CL_TIMING; for (int rep = repetitions; rep > 0; rep--) { cl_N p = acosh(cl_pi(prec)); } } cout << p << endl << endl; } }