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use clap::Parser;
use std::process::{Command, Stdio};
use json::{object, parse, JsonValue, Null};
/// A CLI tool for running and benchmarking a guest program inside all
/// supported zkVMs.
/// This binary has been built with a single guest program in mind.
/// If you want to run or benchmark your own guest program inside a zkVM,
/// head on over to https://github.com/blocksense-network/zkVMs-benchmarks
#[derive(Parser, Debug)]
#[command(about, long_about = None)]
struct Cli {
/// Ignored zkVMs. Values are substrings of names.
#[arg(short, long, value_delimiter = ',', num_args = 1..)]
ignore: Option<Vec<String>>,
/// Make one failiure stop the entire process
#[arg(short, long)]
fail_propagation: bool,
}
fn run_command(zkvm_guest_command: &str, operation: &str) -> Result<std::process::Output, Error> {
Command::new(zkvm_guest_command)
.arg(operation)
.arg("--benchmark")
.args([ "--metrics-output", "/tmp/current_metrics" ])
.stdout(Stdio::piped())
.output()
}
fn main() {
let cli = Cli::parse();
// This is set by zkvms_guest_io/default.nix
let zkvm_guest_commands: Vec<&str> = env!("PROGRAMS")
.split(',')
.filter(|x| !x.is_empty())
.collect();
let ignored = cli.ignore.unwrap_or(Vec::new());
let mut runs = object! {
"benchmarking": []
};
'guest_iter: for zkvm_guest_command in zkvm_guest_commands.into_iter() {
if ignored.iter().any(|i| zkvm_guest_command.contains(i)) {
continue;
}
let mut run = JsonValue::new_object();
run["name"] = zkvm_guest_command.into();
for operation in ["execute", "prove", "verify"] {
println!("== {operation} {zkvm_guest_command} ==");
let output = run_command(zkvm_guest_command, operation);
// Couldn't run the command
if let Err(msg) = output {
println!("Failed to run command!");
println!("{msg}");
if cli.fail_propagation {
break 'guest_iter;
}
continue;
}
// The command ran and therefore produced some output
let output = output.unwrap();
// The command ran but exited with non-zero status code
if !output.status.success() {
println!("Command failed!");
}
let stdout = String::from_utf8(output.stdout).expect("failed to convert stdout to String");
println!("{stdout}");
if !output.stderr.is_empty() {
print!(
"{}",
String::from_utf8(output.stderr).expect("failed to convert stderr to String")
);
}
// The command ran but exited with non-zero status code
if !output.status.success() {
break 'guest_iter;
}
let raw_data = &read_to_string("/tmp/current_metrics")
.ok()
.unwrap();
run[operation] = json::parse(raw_data).unwrap();
}
runs["benchmarking"].push(run);
}
println!("{}", runs.dump());
}
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