diff --git a/tests/performance_tests/CMakeLists.txt b/tests/performance_tests/CMakeLists.txt
index 837d39bd3..5cd054d86 100644
--- a/tests/performance_tests/CMakeLists.txt
+++ b/tests/performance_tests/CMakeLists.txt
@@ -46,6 +46,8 @@ set(performance_tests_headers
   range_proof.h
   bulletproof.h
   crypto_ops.h
+  sc_reduce32.h
+  sc_check.h
   multiexp.h
   multi_tx_test_base.h
   performance_tests.h
diff --git a/tests/performance_tests/crypto_ops.h b/tests/performance_tests/crypto_ops.h
index 3c68583c5..4766a1205 100644
--- a/tests/performance_tests/crypto_ops.h
+++ b/tests/performance_tests/crypto_ops.h
@@ -47,6 +47,7 @@ enum test_op
   op_scalarmultKey,
   op_scalarmultH,
   op_scalarmult8,
+  op_ge_dsm_precomp,
   op_ge_double_scalarmult_base_vartime,
   op_ge_double_scalarmult_precomp_vartime,
   op_ge_double_scalarmult_precomp_vartime2,
@@ -84,6 +85,7 @@ public:
     ge_cached tmp_cached;
     ge_p1p1 tmp_p1p1;
     ge_p2 tmp_p2;
+    ge_dsmp dsmp;
     switch (op)
     {
       case op_sc_add: sc_add(key.bytes, scalar0.bytes, scalar1.bytes); break;
@@ -101,6 +103,7 @@ public:
       case op_scalarmultKey: rct::scalarmultKey(point0, scalar0); break;
       case op_scalarmultH: rct::scalarmultH(scalar0); break;
       case op_scalarmult8: rct::scalarmult8(point0); break;
+      case op_ge_dsm_precomp: ge_dsm_precomp(dsmp, &p3_0); break;
       case op_ge_double_scalarmult_base_vartime: ge_double_scalarmult_base_vartime(&tmp_p2, scalar0.bytes, &p3_0, scalar1.bytes); break;
       case op_ge_double_scalarmult_precomp_vartime: ge_double_scalarmult_precomp_vartime(&tmp_p2, scalar0.bytes, &p3_0, scalar1.bytes, precomp0); break;
       case op_ge_double_scalarmult_precomp_vartime2: ge_double_scalarmult_precomp_vartime2(&tmp_p2, scalar0.bytes, precomp0, scalar1.bytes, precomp1); break;
diff --git a/tests/performance_tests/main.cpp b/tests/performance_tests/main.cpp
index 87a1573c2..3765d1249 100644
--- a/tests/performance_tests/main.cpp
+++ b/tests/performance_tests/main.cpp
@@ -50,6 +50,7 @@
 #include "is_out_to_acc.h"
 #include "subaddress_expand.h"
 #include "sc_reduce32.h"
+#include "sc_check.h"
 #include "cn_fast_hash.h"
 #include "rct_mlsag.h"
 #include "equality.h"
@@ -184,6 +185,7 @@ int main(int argc, char** argv)
   TEST_PERFORMANCE0(filter, p, test_ge_frombytes_vartime);
   TEST_PERFORMANCE0(filter, p, test_generate_keypair);
   TEST_PERFORMANCE0(filter, p, test_sc_reduce32);
+  TEST_PERFORMANCE0(filter, p, test_sc_check);
   TEST_PERFORMANCE1(filter, p, test_signature, false);
   TEST_PERFORMANCE1(filter, p, test_signature, true);
 
@@ -249,6 +251,7 @@ int main(int argc, char** argv)
   TEST_PERFORMANCE1(filter, p, test_crypto_ops, op_scalarmultKey);
   TEST_PERFORMANCE1(filter, p, test_crypto_ops, op_scalarmultH);
   TEST_PERFORMANCE1(filter, p, test_crypto_ops, op_scalarmult8);
+  TEST_PERFORMANCE1(filter, p, test_crypto_ops, op_ge_dsm_precomp);
   TEST_PERFORMANCE1(filter, p, test_crypto_ops, op_ge_double_scalarmult_base_vartime);
   TEST_PERFORMANCE1(filter, p, test_crypto_ops, op_ge_double_scalarmult_precomp_vartime);
   TEST_PERFORMANCE1(filter, p, test_crypto_ops, op_ge_double_scalarmult_precomp_vartime2);
diff --git a/tests/performance_tests/sc_check.h b/tests/performance_tests/sc_check.h
new file mode 100644
index 000000000..036abf12d
--- /dev/null
+++ b/tests/performance_tests/sc_check.h
@@ -0,0 +1,52 @@
+// Copyright (c) 2018, The Monero Project
+// 
+// All rights reserved.
+// 
+// Redistribution and use in source and binary forms, with or without modification, are
+// permitted provided that the following conditions are met:
+// 
+// 1. Redistributions of source code must retain the above copyright notice, this list of
+//    conditions and the following disclaimer.
+// 
+// 2. Redistributions in binary form must reproduce the above copyright notice, this list
+//    of conditions and the following disclaimer in the documentation and/or other
+//    materials provided with the distribution.
+// 
+// 3. Neither the name of the copyright holder nor the names of its contributors may be
+//    used to endorse or promote products derived from this software without specific
+//    prior written permission.
+// 
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
+// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#pragma once
+
+#include "crypto/crypto.h"
+
+class test_sc_check
+{
+public:
+  static const size_t loop_count = 10000000;
+
+  bool init()
+  {
+    m_scalar = crypto::rand<crypto::ec_scalar>();
+    return true;
+  }
+
+  bool test()
+  {
+    sc_check((unsigned char*)m_scalar.data);
+    return true;
+  }
+
+private:
+  crypto::ec_scalar m_scalar;
+};