openharmony/third_party_meshoptimizer
1
0
Fork 0
mirror of https://github.com/openharmony/third_party_meshoptimizer.git synced 2026-07-19 12:03:07 -04:00
Code Issues Packages Projects Releases Wiki Activity

tools: Add filters to codecbench

Browse Source 
The filters are branchless so we can just run them repeatedly on the
same data block.
This commit is contained in:
Arseny Kapoulkine
2020-02-16 18:55:01 -08:00
parent 5608f52c7c
commit 4cfe27c19d
1 changed files with 37 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
tools/codecbench.cpp
+37 -2
View File
@@ -38,7 +38,7 @@ uint32_t murmur3(uint32_t h)
return h;
}
void bench(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
void benchCodecs(const std::vector<Vertex>& vertices, const std::vector<unsigned int>& indices)
{
std::vector<Vertex> vb(vertices.size());
std::vector<unsigned int> ib(indices.size());
@@ -90,6 +90,40 @@ void bench(const std::vector<Vertex>& vertices, const std::vector<unsigned int>&
}
}
void benchFilters(size_t count)
{
// note: the filters are branchless so we just run them on runs of zeroes
size_t count4 = (count + 3) & ~3;
std::vector<unsigned char> d4(count4 * 4);
std::vector<unsigned char> d8(count4 * 8);
printf("filters: oct8 data %d bytes, oct12/quat12 data %d bytes\n", int(d4.size()), int(d8.size()));
for (int attempt = 0; attempt < 10; ++attempt)
{
double t0 = timestamp();
meshopt_decodeFilterOct8(&d4[0], count4, 4);
double t1 = timestamp();
meshopt_decodeFilterOct12(&d8[0], count4, 8);
double t2 = timestamp();
meshopt_decodeFilterQuat12(&d8[0], count4, 8);
double t3 = timestamp();
double GB = 1024 * 1024 * 1024;
printf("filter: oct8 %.2f ms (%.2f GB/sec), oct12 %.2f ms (%.2f GB/sec), quat12 %.2f ms (%.2f GB/sec)\n",
(t1 - t0) * 1000, double(d4.size()) / GB / (t1 - t0),
(t2 - t1) * 1000, double(d8.size()) / GB / (t2 - t1),
(t3 - t2) * 1000, double(d8.size()) / GB / (t3 - t2));
}
}
int main()
{
meshopt_encodeIndexVersion(1);
@@ -135,5 +169,6 @@ int main()
}
}
bench(vertices, indices);
benchCodecs(vertices, indices);
benchFilters(N * N);
}