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Diffstat (limited to 'tools/bench/benchtime.h')
| -rw-r--r-- | tools/bench/benchtime.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/tools/bench/benchtime.h b/tools/bench/benchtime.h new file mode 100644 index 0000000..42a9dae --- /dev/null +++ b/tools/bench/benchtime.h @@ -0,0 +1,66 @@ +/* benchtime.h -- compute the timings for the benchmark. + +Copyright (C) 2014, INRIA + +This file is part of GNU MPC. + +GNU MPC is free software; you can redistribute it and/or modify it under +the terms of the GNU Lesser General Public License as published by the +Free Software Foundation; either version 3 of the License, or (at your +option) any later version. + +GNU MPC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for +more details. + +You should have received a copy of the GNU Lesser General Public License +along with this program. If not, see http://www.gnu.org/licenses/ . +*/ + + +/* compute the time to run accurately niter calls of the function for any number of inputs */ +#define DECLARE_ACCURATE_TIME_NOP(func, funccall) \ +unsigned long int ACCURATE_TIME_NOP##func( unsigned long int niter, int n, mpc_t* z, mpc_t* x, mpc_t* y, int nop);\ +unsigned long int ACCURATE_TIME_NOP##func( unsigned long int niter, int n, mpc_t* z, mpc_t* x, mpc_t* y, int nop)\ +{ \ + unsigned long int ti, i; int kn; \ + unsigned long int t0 = get_cputime (); \ + for (i = niter, kn=0; i > 0; i--) \ + { \ + funccall; \ + kn++; if (kn==n) kn = 0; \ + } \ + ti = get_cputime () - t0; \ + /* following lines are append to avoid warnings but minimize the number of macros*/\ + if (nop==2) y = NULL; \ + return ti; \ +} + +/* address of the function to time accurately niter calls of func */ +#define ADDR_ACCURATE_TIME_NOP(func) ACCURATE_TIME_NOP##func + +/* address of the function to time one call of func */ +#define ADDR_TIME_NOP(func) TIME_NOP##func + + +/* compute the time to run one only call of the function with two inputs */ +#define DECLARE_TIME_NOP(func, funcall, nop) \ + DECLARE_ACCURATE_TIME_NOP(func, funcall) \ + double TIME_NOP##func(int n, mpc_t* z, mpc_t* x, mpc_t* y); \ + double TIME_NOP##func(int n, mpc_t* z, mpc_t* x, mpc_t* y) \ + { \ + double t; unsigned long int nbcall, mytime; \ + for (nbcall = 1, mytime=0; mytime<250000; nbcall<<=1) \ + { \ + mytime = ACCURATE_TIME_NOP##func(nbcall, n, z, x, y, nop); \ + } \ + t = (double) mytime/ nbcall ; \ + return t; \ + } + +/* compute the time to run accurately niter calls of the function */ +/* functions with 2 operands */ +#define DECLARE_TIME_2OP(func) DECLARE_TIME_NOP(func, func(z[kn],x[kn],y[kn], MPC_RNDNN), 2 ) +/* functions with 1 operand */ +#define DECLARE_TIME_1OP(func) DECLARE_TIME_NOP(func, func(z[kn],x[kn], MPC_RNDNN), 1 ) |