Merge GH #2124 Add poly_dbl speed util

1 files changed, 30 insertions, 0 deletions

diff --git a/src/cli/speed.cpp b/src/cli/speed.cpp
index 090b0abb1..98a51e47a 100644
--- a/src/cli/speed.cpp
+++ b/src/cli/speed.cpp
@@ -81,6 +81,10 @@
    #include <botan/compression.h>
 #endif
 
+#if defined(BOTAN_HAS_POLY_DBL)
+   #include <botan/internal/poly_dbl.h>
+#endif
+
 #if defined(BOTAN_HAS_PUBLIC_KEY_CRYPTO)
    #include <botan/pkcs8.h>
    #include <botan/pubkey.h>
@@ -668,6 +672,12 @@ class Speed final : public Command
                bench_passhash9();
                }
 #endif
+#if defined(BOTAN_HAS_POLY_DBL)
+            else if(algo == "poly_dbl")
+               {
+               bench_poly_dbl(msec);
+               }
+#endif
 
 #if defined(BOTAN_HAS_DL_GROUP)
             else if(algo == "modexp")
@@ -2111,6 +2121,26 @@ class Speed final : public Command
          }
 #endif
 
+#if defined(BOTAN_HAS_POLY_DBL)
+      void bench_poly_dbl(std::chrono::milliseconds msec)
+         {
+         for(size_t sz : { 8, 16, 24, 32, 64, 128 })
+            {
+            std::unique_ptr<Timer> be_timer = make_timer("poly_dbl_be_" + std::to_string(sz));
+            std::unique_ptr<Timer> le_timer = make_timer("poly_dbl_le_" + std::to_string(sz));
+
+            std::vector<uint8_t> buf(sz);
+            rng().randomize(buf.data(), sz);
+
+            be_timer->run_until_elapsed(msec, [&]() { Botan::poly_double_n(buf.data(), buf.data(), sz); });
+            le_timer->run_until_elapsed(msec, [&]() { Botan::poly_double_n_le(buf.data(), buf.data(), sz); });
+
+            record_result(be_timer);
+            record_result(le_timer);
+            }
+         }
+#endif
+
 #if defined(BOTAN_HAS_BCRYPT)
 
       void bench_bcrypt()