From 6a084267d08bb5022ac49f4d79a1d2b9a4fa41f9 Mon Sep 17 00:00:00 2001
From: nk_ysg <nk_ysg@163.com>
Date: Wed, 25 Oct 2023 18:33:37 +0800
Subject: [PATCH] ubuntu 22 cryptonight use O2

---
 Cargo.lock                          | 11 +++++++++++
 Cargo.toml                          |  4 ++--
 consensus/cryptonight-rs/Cargo.toml |  1 +
 consensus/cryptonight-rs/build.rs   | 17 ++++++++++++++++-
 4 files changed, 30 insertions(+), 3 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 3f10ab6b59..740089623f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1726,6 +1726,7 @@ dependencies = [
  "bencher",
  "cc",
  "libc",
+ "os_info",
  "rustc-serialize",
 ]
 
@@ -6507,6 +6508,16 @@ dependencies = [
  "num-integer",
 ]
 
+[[package]]
+name = "os_info"
+version = "3.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "006e42d5b888366f1880eda20371fedde764ed2213dc8496f49622fa0c99cd5e"
+dependencies = [
+ "log 0.4.17",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "os_str_bytes"
 version = "6.4.1"
diff --git a/Cargo.toml b/Cargo.toml
index b8ae533527..f1b127da60 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -551,5 +551,5 @@ starcoin-vm-runtime.debug = 1
 [profile.release.package."*"]
 debug = false
 
-[profile.release.package.cryptonight-rs]
-opt-level = 2
+#[profile.release.package.cryptonight-rs]
+#opt-level = 2
diff --git a/consensus/cryptonight-rs/Cargo.toml b/consensus/cryptonight-rs/Cargo.toml
index b289793007..81314b6c34 100644
--- a/consensus/cryptonight-rs/Cargo.toml
+++ b/consensus/cryptonight-rs/Cargo.toml
@@ -4,6 +4,7 @@ name = "bench"
 
 [build-dependencies]
 cc = "1.0"
+os_info = { version = "3", default-features = false }
 
 [dependencies]
 libc = { workspace = true }
diff --git a/consensus/cryptonight-rs/build.rs b/consensus/cryptonight-rs/build.rs
index 977c078237..85ee62a1eb 100644
--- a/consensus/cryptonight-rs/build.rs
+++ b/consensus/cryptonight-rs/build.rs
@@ -26,7 +26,22 @@ fn main() {
         config.flag("-maes").flag("-msse2");
     }
     if target_os.contains("linux") || target_os.contains("macos") {
-        config.flag("-fexceptions").flag("-std=gnu99");
+        let info = os_info::get();
+        let opt_level = env::var("OPT_LEVEL").expect("fetching OPT_LEVEL");
+        if info.os_type() == os_info::Type::Ubuntu
+            && info.version() == &os_info::Version::Custom("22.04".into())
+        {
+            if opt_level == "3" {
+                config.flag("-O2").flag("-fexceptions").flag("-std=gnu99");
+            } else {
+                config.flag("-fexceptions").flag("-std=gnu99");
+            }
+        } else {
+            config
+                .flag("-Ofast")
+                .flag("-fexceptions")
+                .flag("-std=gnu99");
+        }
     }
     config.compile("cryptonight");
 }