From d03e67ac2c57fdc3b55a72637a61554cdf2e4794 Mon Sep 17 00:00:00 2001
From: Michael Sproul <michael@sigmaprime.io>
Date: Mon, 30 May 2022 12:36:40 +1000
Subject: [PATCH] Time lcli cache builds

---
 lcli/src/transition_blocks.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/lcli/src/transition_blocks.rs b/lcli/src/transition_blocks.rs
index 64b9e9c467..479964f994 100644
--- a/lcli/src/transition_blocks.rs
+++ b/lcli/src/transition_blocks.rs
@@ -70,9 +70,11 @@ fn do_transition<T: EthSpec>(
     block: SignedBeaconBlock<T>,
     spec: &ChainSpec,
 ) -> Result<BeaconState<T>, String> {
+    let t = std::time::Instant::now();
     pre_state
         .build_all_caches(spec)
         .map_err(|e| format!("Unable to build caches: {:?}", e))?;
+    println!("Build all caches: {}ms", t.elapsed().as_millis());
 
     let t = std::time::Instant::now();
     pre_state
@@ -94,9 +96,11 @@ fn do_transition<T: EthSpec>(
         .map_err(|e| format!("Unable to build tree hash cache: {:?}", e))?;
     println!("Pre-block tree hash: {}ms", t.elapsed().as_millis());
 
+    let t = std::time::Instant::now();
     pre_state
         .build_all_caches(spec)
         .map_err(|e| format!("Unable to build caches: {:?}", e))?;
+    println!("Build all caches (again): {}ms", t.elapsed().as_millis());
 
     let t = std::time::Instant::now();
     let mut ctxt =