From da1d57e95d6354cefdbfc593a84888502331fcd2 Mon Sep 17 00:00:00 2001
From: Sahil-4555 <sahilsojitra4555@gmail.com>
Date: Tue, 30 Dec 2025 17:23:12 +0530
Subject: [PATCH] revert add

---
 core/vm/memory.go     | 19 ++++++-------------
 core/vm/new_bench.txt |  7 -------
 core/vm/old_bench.txt | 16 ----------------
 3 files changed, 6 insertions(+), 36 deletions(-)
 delete mode 100644 core/vm/new_bench.txt
 delete mode 100644 core/vm/old_bench.txt

diff --git a/core/vm/memory.go b/core/vm/memory.go
index a6bde15d6d..54bc2b2849 100644
--- a/core/vm/memory.go
+++ b/core/vm/memory.go
@@ -79,20 +79,13 @@ func (m *Memory) Set32(offset uint64, val *uint256.Int) {
 
 // Resize grows the memory to the requested size.
 func (m *Memory) Resize(size uint64) {
-		if size <= uint64(len(m.store)) {
-		return
+	if uint64(len(m.store)) < size {
+		if uint64(cap(m.store)) >= size {
+			m.store = m.store[:size]
+		} else {
+			m.store = append(m.store, make([]byte, size-uint64(len(m.store)))...)
+		}
 	}
-
-	if size <= uint64(cap(m.store)) {
-		prevLen := len(m.store)
-		m.store = m.store[:size]
-		clear(m.store[prevLen:])
-		return
-	}
-
-	store := make([]byte, size)
-	copy(store, m.store)
-	m.store = store
 }
 
 // GetCopy returns offset + size as a new slice
diff --git a/core/vm/new_bench.txt b/core/vm/new_bench.txt
deleted file mode 100644
index 1cb4014e25..0000000000
--- a/core/vm/new_bench.txt
+++ /dev/null
@@ -1,7 +0,0 @@
-goos: linux
-goarch: amd64
-pkg: github.com/ethereum/go-ethereum/core/vm
-cpu: Intel(R) Core(TM) i7-8565U CPU @ 1.80GHz
-BenchmarkResize-8   	  876326	     89800 ns/op	  442142 B/op	       1 allocs/op
-BenchmarkResize-8   	signal: interrupt
-FAIL	github.com/ethereum/go-ethereum/core/vm	154.281s
diff --git a/core/vm/old_bench.txt b/core/vm/old_bench.txt
deleted file mode 100644
index 53c0eff049..0000000000
--- a/core/vm/old_bench.txt
+++ /dev/null
@@ -1,16 +0,0 @@
-goos: linux
-goarch: amd64
-pkg: github.com/ethereum/go-ethereum/core/vm
-cpu: Intel(R) Core(TM) i7-8565U CPU @ 1.80GHz
-BenchmarkResize-8   	513681400	         4.756 ns/op	       5 B/op	       0 allocs/op
-BenchmarkResize-8   	747650196	         2.313 ns/op	       6 B/op	       0 allocs/op
-BenchmarkResize-8   	907757728	         1.302 ns/op	       5 B/op	       0 allocs/op
-BenchmarkResize-8   	906696679	         1.356 ns/op	       5 B/op	       0 allocs/op
-BenchmarkResize-8   	832139062	         2.823 ns/op	       5 B/op	       0 allocs/op
-BenchmarkResize-8   	943258486	         2.120 ns/op	       6 B/op	       0 allocs/op
-BenchmarkResize-8   	1000000000	         1.619 ns/op	       5 B/op	       0 allocs/op
-BenchmarkResize-8   	982619973	         1.388 ns/op	       5 B/op	       0 allocs/op
-BenchmarkResize-8   	761129438	         1.351 ns/op	       6 B/op	       0 allocs/op
-BenchmarkResize-8   	943591894	         1.643 ns/op	       6 B/op	       0 allocs/op
-PASS
-ok  	github.com/ethereum/go-ethereum/core/vm	37.469s