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| author | Andrew Waterman <waterman@cs.berkeley.edu> | 2014-12-12 18:17:31 -0800 |
|---|---|---|
| committer | Andrew Waterman <waterman@cs.berkeley.edu> | 2014-12-12 18:17:31 -0800 |
| commit | 984abbe6e67503c93dbb13d9a305960f11c4ba7b (patch) | |
| tree | f5e5ad55b5e39b1a960d689b93ad3fda35b75283 /benchmarks/common | |
| parent | 1d8e02859be502647b52a71623f543712c869b2f (diff) | |
| download | riscv-tests-984abbe6e67503c93dbb13d9a305960f11c4ba7b.zip riscv-tests-984abbe6e67503c93dbb13d9a305960f11c4ba7b.tar.gz riscv-tests-984abbe6e67503c93dbb13d9a305960f11c4ba7b.tar.bz2 | |
Add more entropy to matrix multiplication input
This will exercise the floating-point units more thoroughly.
Diffstat (limited to 'benchmarks/common')
| -rw-r--r-- | benchmarks/common/util.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/benchmarks/common/util.h b/benchmarks/common/util.h index 638f024..24a1cad 100644 --- a/benchmarks/common/util.h +++ b/benchmarks/common/util.h @@ -31,6 +31,8 @@ static void setStats(int enable) {} extern void setStats(int enable); #endif +#include <stdint.h> + extern int have_vec; #define static_assert(cond) switch(0) { case 0: case !!(long)(cond): ; } @@ -109,6 +111,12 @@ static void __attribute__((noinline)) barrier(int ncores) __sync_synchronize(); } +static uint64_t lfsr(uint64_t x) +{ + uint64_t bit = (x ^ (x >> 1)) & 1; + return (x >> 1) | (bit << 62); +} + #ifdef __riscv #include "encoding.h" #endif |