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Harden and optimize v3 C parser

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Syoyo Fujita
2026-05-31 22:20:46 +09:00
parent bade0670eb
commit a441a310fd
6 changed files with 646 additions and 47 deletions
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26
benchmark/bench_v3.cpp
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@@ -139,7 +139,9 @@ struct BenchResult {
/* ------------------------------------------------------------------ */
static BenchResult bench_file(const char *filename, int iterations, int warmup,
bool quiet, int float32_mode = 0) {
bool quiet, int float32_mode = 0,
int skip_extras_values = 0,
int borrow_input_buffers = 0) {
BenchResult r = {};
r.filename = filename;
r.iterations = iterations;
@@ -199,6 +201,8 @@ static BenchResult bench_file(const char *filename, int iterations, int warmup,
opts.memory.allocator.free = tracked_free;
opts.memory.allocator.user_data = &tracker;
opts.parse_float32 = float32_mode;
opts.skip_extras_values = skip_extras_values;
opts.borrow_input_buffers = borrow_input_buffers;
tg3_model model;
tg3_error_stack errors;
@@ -340,7 +344,11 @@ static void usage() {
" --csv Output in CSV format\n"
" --quiet Suppress per-iteration error messages\n"
" --batch Benchmark multiple files\n"
" --float32 Parse JSON floats as float32 (faster, less precise)\n");
" --float32 Parse JSON floats as float32 (faster, less precise)\n"
" --skip-extras-values\n"
" Skip materializing extras/unknown extension values\n"
" --borrow-input-buffers\n"
" Let GLB buffers reference caller-owned input bytes\n");
}
int main(int argc, char **argv) {
@@ -351,6 +359,8 @@ int main(int argc, char **argv) {
bool csv = false;
bool quiet = false;
int float32_mode = 0;
int skip_extras_values = 0;
int borrow_input_buffers = 0;
std::vector<std::string> files;
for (int i = 1; i < argc; ++i) {
@@ -364,6 +374,10 @@ int main(int argc, char **argv) {
quiet = true;
} else if (strcmp(argv[i], "--float32") == 0) {
float32_mode = 1;
} else if (strcmp(argv[i], "--skip-extras-values") == 0) {
skip_extras_values = 1;
} else if (strcmp(argv[i], "--borrow-input-buffers") == 0) {
borrow_input_buffers = 1;
} else if (strcmp(argv[i], "--batch") == 0) {
/* batch mode: just collect files */
} else if (argv[i][0] != '-') {
@@ -379,10 +393,14 @@ int main(int argc, char **argv) {
if (!csv && !quiet) {
printf("Benchmarking: %s (%d iterations, %d warmup%s)\n",
file.c_str(), iterations, warmup,
float32_mode ? ", float32" : "");
float32_mode ? ", float32" :
skip_extras_values ? ", skip extras" :
borrow_input_buffers ? ", borrow buffers" : "");
}
BenchResult r = bench_file(file.c_str(), iterations, warmup, quiet, float32_mode);
BenchResult r = bench_file(file.c_str(), iterations, warmup, quiet,
float32_mode, skip_extras_values,
borrow_input_buffers);
if (csv) {
print_csv_row(r);