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author | Henry Cook <hcook@eecs.berkeley.edu> | 2014-11-06 17:24:39 -0800 |
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committer | Henry Cook <hcook@eecs.berkeley.edu> | 2014-11-07 16:52:51 -0800 |
commit | d537de7deffa6036dab573ff174b7f8c8e470437 (patch) | |
tree | ddc921eb337cda4889570f0251bdba85059a2531 /mt/vvadd3.c | |
parent | 5afc6b9bc2e3685220cffb3da66ad9f5f1f7b14f (diff) | |
download | riscv-tests-d537de7deffa6036dab573ff174b7f8c8e470437.zip riscv-tests-d537de7deffa6036dab573ff174b7f8c8e470437.tar.gz riscv-tests-d537de7deffa6036dab573ff174b7f8c8e470437.tar.bz2 |
Clean up canonical mt benchmarks and reorganize extra versions in /mt. All versions support support at least 1/2/4 threads.
Diffstat (limited to 'mt/vvadd3.c')
-rwxr-xr-x | mt/vvadd3.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/mt/vvadd3.c b/mt/vvadd3.c new file mode 100755 index 0000000..d18d2de --- /dev/null +++ b/mt/vvadd3.c @@ -0,0 +1,22 @@ +#include "stdlib.h" +#include "dataset.h" + +void __attribute__((noinline)) vvadd(int coreid, int ncores, size_t n, const data_t* x, const data_t* y, data_t* z) +{ + data_t* to = &z[coreid * (n / ncores)]; + const data_t* from1 = &x[coreid * (n / ncores)]; + const data_t* from2 = &y[coreid * (n / ncores)]; + size_t count = n / ncores; + size_t c = (count + 7) / 8; + switch(count % 8) { + case 0: do { *to++ = *from1++ + *from2++; + case 7: *to++ = *from1++ + *from2++; + case 6: *to++ = *from1++ + *from2++; + case 5: *to++ = *from1++ + *from2++; + case 4: *to++ = *from1++ + *from2++; + case 3: *to++ = *from1++ + *from2++; + case 2: *to++ = *from1++ + *from2++; + case 1: *to++ = *from1++ + *from2++; + } while(--c > 0); + } +} |