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eliminate vec creation in stake rewards (#26191)

This commit is contained in:
Jeff Washington (jwash) 2022-06-24 13:40:53 -05:00 committed by GitHub
parent 1884275882
commit 054b25729d
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1 changed files with 7 additions and 8 deletions
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15
runtime/src/bank.rs
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@ -3208,12 +3208,6 @@ impl Bank {
.store_stake_accounts_us
.fetch_add(m.as_us(), Relaxed);
let mut stake_rewards = stake_rewards
.into_iter()
.filter(|x| x.get_stake_reward() > 0)
.map(|x| (x.stake_pubkey, x.stake_reward_info))
.collect();
let mut m = Measure::start("store_vote_accounts");
let mut vote_rewards = vote_account_rewards
.into_iter()
@ -3243,15 +3237,20 @@ impl Bank {
}
},
)
.collect();
.collect::<Vec<_>>();
m.stop();
metrics.store_vote_accounts_us.fetch_add(m.as_us(), Relaxed);
let additional_reserve = stake_rewards.len() + vote_rewards.len();
{
let mut rewards = self.rewards.write().unwrap();
rewards.reserve(additional_reserve);
rewards.append(&mut vote_rewards);
rewards.append(&mut stake_rewards);
stake_rewards
.into_iter()
.filter(|x| x.get_stake_reward() > 0)
.for_each(|x| rewards.push((x.stake_pubkey, x.stake_reward_info)));
}
point_value.rewards as f64 / point_value.points as f64