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// Copyright Verizon Media. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/eval/onnx/onnx_wrapper.h>
#include <vespa/vespalib/util/guard.h>
using vespalib::FilePointer;
using namespace vespalib::eval;
bool read_line(FilePointer &file, vespalib::string &line) {
char line_buffer[1024];
char *res = fgets(line_buffer, sizeof(line_buffer), file.fp());
if (res == nullptr) {
line.clear();
return false;
}
line = line_buffer;
while (!line.empty() && isspace(line[line.size() - 1])) {
line.pop_back();
}
return true;
}
void extract(const vespalib::string &str, const vespalib::string &prefix, vespalib::string &dst) {
if (starts_with(str, prefix)) {
size_t pos = prefix.size();
while ((str.size() > pos) && isspace(str[pos])) {
++pos;
}
dst = str.substr(pos);
}
}
void report_memory_usage(const vespalib::string &desc) {
vespalib::string vm_size = "unknown";
vespalib::string vm_rss = "unknown";
vespalib::string line;
FilePointer file(fopen("/proc/self/status", "r"));
while (read_line(file, line)) {
extract(line, "VmSize:", vm_size);
extract(line, "VmRSS:", vm_rss);
}
fprintf(stderr, "vm_size: %s, vm_rss: %s (%s)\n", vm_size.c_str(), vm_rss.c_str(), desc.c_str());
}
int usage(const char *self) {
fprintf(stderr, "usage: %s <onnx-model>\n", self);
fprintf(stderr, " load onnx model and report memory usage\n");
return 1;
}
int main(int argc, char **argv) {
if (argc != 2) {
return usage(argv[0]);
}
report_memory_usage("before loading model");
Onnx onnx(argv[1], Onnx::Optimize::ENABLE);
report_memory_usage("after loading model");
return 0;
}
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