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vertexcodec: Clean up and improve trace reporting

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For now we just need a single trace level that incorporates both the
macro stats (per byte) and the micro stats (within the individual byte).

Instead of separately collecting occurrences/sizes for bit groups we
just record the size and print all numbers as percentages within the
given group.
This commit is contained in:
Arseny Kapoulkine
2024-10-03 12:12:31 -07:00
parent 5e5288f9d4
commit 88e9e5bedc
1 changed files with 15 additions and 18 deletions
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src/vertexcodec.cpp
+15 -18
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@@ -147,13 +147,12 @@ inline unsigned char unzigzag8(unsigned char v)
struct Stats
{
size_t size;
size_t header;
size_t bitg[4];
size_t bitb[4];
size_t header; // bytes for header
size_t bitg[4]; // bytes for bit groups
};
Stats* bytestats;
Stats vertexstats[256];
static Stats* bytestats = NULL;
static Stats vertexstats[256];
#endif
static bool encodeBytesGroupZero(const unsigned char* buffer)
@@ -278,13 +277,12 @@ static unsigned char* encodeBytes(unsigned char* data, unsigned char* data_end,
assert(data + best_size == next);
data = next;
#if TRACE > 1
bytestats->bitg[bitslog2]++;
bytestats->bitb[bitslog2] += best_size;
#if TRACE
bytestats->bitg[bitslog2] += best_size;
#endif
}
#if TRACE > 1
#if TRACE
bytestats->header += header_size;
#endif
@@ -326,7 +324,7 @@ static unsigned char* encodeVertexBlock(unsigned char* data, unsigned char* data
return NULL;
#if TRACE
bytestats = 0;
bytestats = NULL;
vertexstats[k].size += data - olddata;
#endif
}
@@ -1201,15 +1199,14 @@ size_t meshopt_encodeVertexBuffer(unsigned char* buffer, size_t buffer_size, con
printf("%2d: %d bytes\t%.1f%%\t%.1f bpv", int(k), int(vsk.size), double(vsk.size) / double(total_size) * 100, double(vsk.size) / double(vertex_count) * 8);
#if TRACE > 1
printf("\t\thdr %d bytes\tbit0 %d (%d bytes)\tbit1 %d (%d bytes)\tbit2 %d (%d bytes)\tbit3 %d (%d bytes)",
int(vsk.header),
int(vsk.bitg[0]), int(vsk.bitb[0]),
int(vsk.bitg[1]), int(vsk.bitb[1]),
int(vsk.bitg[2]), int(vsk.bitb[2]),
int(vsk.bitg[3]), int(vsk.bitb[3]));
#endif
size_t total_k = vsk.header + vsk.bitg[0] + vsk.bitg[1] + vsk.bitg[2] + vsk.bitg[3];
printf("\t\thdr %5.1f%%; bitg 0 [%4.1f%%] 1 [%4.1f%%] 2 [%4.1f%%] 3 [%4.1f%%]",
double(vsk.header) / double(total_k) * 100,
double(vsk.bitg[0]) / double(total_k) * 100,
double(vsk.bitg[1]) / double(total_k) * 100,
double(vsk.bitg[2]) / double(total_k) * 100,
double(vsk.bitg[3]) / double(total_k) * 100);
printf("\n");
}
#endif