From c8e6498f53c93a51c4e1b69491ddfbdb464267e0 Mon Sep 17 00:00:00 2001
From: cryptozoidberg <crypto.zoidberg@gmail.com>
Date: Fri, 20 Sep 2019 19:24:33 +0200
Subject: [PATCH] improvements over derivation performance test

---
 .../generate_key_derivation.h                 | 26 ++++++++++++++++---
 tests/performance_tests/main.cpp              |  2 +-
 2 files changed, 24 insertions(+), 4 deletions(-)

diff --git a/tests/performance_tests/generate_key_derivation.h b/tests/performance_tests/generate_key_derivation.h
index 0d5af6f6..65d0d7cb 100644
--- a/tests/performance_tests/generate_key_derivation.h
+++ b/tests/performance_tests/generate_key_derivation.h
@@ -9,15 +9,35 @@
 
 #include "single_tx_test_base.h"
 
+uint64_t g_antioptimisation = 0;
+
 class test_generate_key_derivation : public single_tx_test_base
 {
 public:
-  static const size_t loop_count = 1000;
+  static const size_t loop_count = 1;
+  std::list<currency::account_base> accounts;
+
+  bool init()
+  {
+
+    for (size_t i = 0; i != 10000; i++)
+    {
+      accounts.push_back(currency::account_base());
+      accounts.back().generate();
+    }
+
+    return single_tx_test_base::init();
+  }
 
   bool test()
   {
-    crypto::key_derivation recv_derivation;
-    crypto::generate_key_derivation(m_tx_pub_key, m_bob.get_keys().m_view_secret_key, recv_derivation);
+    for (auto &a : accounts)
+    {
+      crypto::key_derivation recv_derivation = AUTO_VAL_INIT(recv_derivation);
+      crypto::generate_key_derivation(m_tx_pub_key, a.get_keys().m_view_secret_key, recv_derivation);
+      g_antioptimisation ^= *(uint64_t*)(&recv_derivation);
+    }
+
     return true;
   }
 };
diff --git a/tests/performance_tests/main.cpp b/tests/performance_tests/main.cpp
index 37591d6a..7e9831a6 100644
--- a/tests/performance_tests/main.cpp
+++ b/tests/performance_tests/main.cpp
@@ -68,7 +68,7 @@ int main(int argc, char** argv)
   */
   //TEST_PERFORMANCE0(test_is_out_to_acc);
   //TEST_PERFORMANCE0(test_generate_key_image_helper);
-  //TEST_PERFORMANCE0(test_generate_key_derivation);
+  TEST_PERFORMANCE0(test_generate_key_derivation);
   //TEST_PERFORMANCE0(test_generate_key_image);
   //TEST_PERFORMANCE0(test_derive_public_key);
   //TEST_PERFORMANCE0(test_derive_secret_key);