Add num_lamports_per_account as a configurable argument (#5869)

bench-tps/src/bench.rs

@@ -1,5 +1,6 @@
 use solana_metrics;
 
+use crate::cli::Config;
 use bincode;
 use log::*;
 use rayon::prelude::*;
@@ -32,7 +33,6 @@ use std::time::Instant;
 use solana_librapay_api::librapay_transaction;
 
 pub const MAX_SPENDS_PER_TX: u64 = 4;
-pub const NUM_LAMPORTS_PER_ACCOUNT: u64 = 128;
 
 #[derive(Debug)]
 pub enum BenchTpsError {
@@ -43,30 +43,6 @@ pub type Result<T> = std::result::Result<T, BenchTpsError>;
 
 pub type SharedTransactions = Arc<RwLock<VecDeque<Vec<(Transaction, u64)>>>>;
 
-pub struct Config {
-    pub id: Keypair,
-    pub threads: usize,
-    pub thread_batch_sleep_ms: usize,
-    pub duration: Duration,
-    pub tx_count: usize,
-    pub sustained: bool,
-    pub use_move: bool,
-}
-
-impl Default for Config {
-    fn default() -> Self {
-        Self {
-            id: Keypair::new(),
-            threads: 4,
-            thread_batch_sleep_ms: 0,
-            duration: Duration::new(std::u64::MAX, 0),
-            tx_count: 500_000,
-            sustained: false,
-            use_move: false,
-        }
-    }
-}
-
 type LibraKeys = (Keypair, Pubkey, Pubkey, Vec<Keypair>);
 
 fn get_recent_blockhash<T: Client>(client: &T) -> (Hash, FeeCalculator) {
@@ -98,6 +74,7 @@ where
         duration,
         tx_count,
         sustained,
+        num_lamports_per_account,
         ..
     } = config;
 
@@ -210,7 +187,7 @@ where
         }
 
         i += 1;
-        if should_switch_directions(NUM_LAMPORTS_PER_ACCOUNT, i) {
+        if should_switch_directions(num_lamports_per_account, i) {
             reclaim_lamports_back_to_source_account = !reclaim_lamports_back_to_source_account;
         }
     }

bench-tps/src/cli.rs

@@ -7,6 +7,8 @@ use solana_drone::drone::DRONE_PORT;
 use solana_sdk::fee_calculator::FeeCalculator;
 use solana_sdk::signature::{read_keypair, Keypair, KeypairUtil};
 
+const NUM_LAMPORTS_PER_ACCOUNT_DEFAULT: u64 = 64 * 1024;
+
 /// Holds the configuration for a single run of the benchmark
 pub struct Config {
     pub entrypoint_addr: SocketAddr,
@@ -23,6 +25,7 @@ pub struct Config {
     pub read_from_client_file: bool,
     pub target_lamports_per_signature: u64,
     pub use_move: bool,
+    pub num_lamports_per_account: u64,
 }
 
 impl Default for Config {
@@ -42,6 +45,7 @@ impl Default for Config {
             read_from_client_file: false,
             target_lamports_per_signature: FeeCalculator::default().target_lamports_per_signature,
             use_move: false,
+            num_lamports_per_account: NUM_LAMPORTS_PER_ACCOUNT_DEFAULT,
         }
     }
 }
@@ -146,6 +150,15 @@ pub fn build_args<'a, 'b>() -> App<'a, 'b> {
                      verification when the cluster is operating at target-signatures-per-slot",
                 ),
         )
+        .arg(
+            Arg::with_name("num_lamports_per_account")
+                .long("num-lamports-per-account")
+                .value_name("LAMPORTS")
+                .takes_value(true)
+                .help(
+                    "Number of lamports per account.",
+                ),
+        )
 }
 
 /// Parses a clap `ArgMatches` structure into a `Config`
@@ -220,5 +233,9 @@ pub fn extract_args<'a>(matches: &ArgMatches<'a>) -> Config {
 
     args.use_move = matches.is_present("use-move");
 
+    if let Some(v) = matches.value_of("num_lamports_per_account") {
+        args.num_lamports_per_account = v.to_string().parse().expect("can't parse lamports");
+    }
+
     args
 }

bench-tps/src/main.rs

@@ -5,9 +5,7 @@ extern crate solana_move_loader_program;
 mod bench;
 mod cli;
 
-use crate::bench::{
-    do_bench_tps, generate_and_fund_keypairs, generate_keypairs, Config, NUM_LAMPORTS_PER_ACCOUNT,
-};
+use crate::bench::{do_bench_tps, generate_and_fund_keypairs, generate_keypairs};
 use solana_core::gossip_service::{discover_cluster, get_multi_client};
 use solana_genesis::PrimordialAccountDetails;
 use solana_sdk::fee_calculator::FeeCalculator;
@@ -33,26 +31,24 @@ fn main() {
         entrypoint_addr,
         drone_addr,
         id,
-        threads,
         num_nodes,
-        duration,
         tx_count,
-        thread_batch_sleep_ms,
-        sustained,
         client_ids_and_stake_file,
         write_to_client_file,
         read_from_client_file,
         target_lamports_per_signature,
         use_move,
-    } = cli_config;
+        num_lamports_per_account,
+        ..
+    } = &cli_config;
 
-    if write_to_client_file {
-        let (keypairs, _) = generate_keypairs(&id, tx_count as u64 * 2);
+    if *write_to_client_file {
+        let (keypairs, _) = generate_keypairs(&id, *tx_count as u64 * 2);
         let num_accounts = keypairs.len() as u64;
-        let max_fee = FeeCalculator::new(target_lamports_per_signature).max_lamports_per_signature;
+        let max_fee = FeeCalculator::new(*target_lamports_per_signature).max_lamports_per_signature;
         let num_lamports_per_account = (num_accounts - 1 + NUM_SIGNATURES_FOR_TXS * max_fee)
             / num_accounts
-            + NUM_LAMPORTS_PER_ACCOUNT;
+            + num_lamports_per_account;
         let mut accounts = HashMap::new();
         keypairs.iter().for_each(|keypair| {
             accounts.insert(
@@ -75,7 +71,7 @@ fn main() {
 
     println!("Connecting to the cluster");
     let (nodes, _replicators) =
-        discover_cluster(&entrypoint_addr, num_nodes).unwrap_or_else(|err| {
+        discover_cluster(&entrypoint_addr, *num_nodes).unwrap_or_else(|err| {
             eprintln!("Failed to discover {} nodes: {:?}", num_nodes, err);
             exit(1);
         });
@@ -90,7 +86,7 @@ fn main() {
         exit(1);
     }
 
-    let (keypairs, move_keypairs, keypair_balance) = if read_from_client_file && !use_move {
+    let (keypairs, move_keypairs, keypair_balance) = if *read_from_client_file && !use_move {
         let path = Path::new(&client_ids_and_stake_file);
         let file = File::open(path).unwrap();
 
@@ -114,11 +110,11 @@ fn main() {
     } else {
         generate_and_fund_keypairs(
             &client,
-            Some(drone_addr),
+            Some(*drone_addr),
             &id,
-            tx_count,
-            NUM_LAMPORTS_PER_ACCOUNT,
-            use_move,
+            *tx_count,
+            *num_lamports_per_account,
+            *use_move,
         )
         .unwrap_or_else(|e| {
             eprintln!("Error could not fund keys: {:?}", e);
@@ -126,19 +122,9 @@ fn main() {
         })
     };
 
-    let config = Config {
-        id,
-        threads,
-        thread_batch_sleep_ms,
-        duration,
-        tx_count,
-        sustained,
-        use_move,
-    };
-
     do_bench_tps(
         vec![client],
-        config,
+        cli_config,
         keypairs,
         keypair_balance,
         move_keypairs,