Add running benchmarks regularly and under valgrind in travis

.travis.yml

@@ -11,7 +11,7 @@ compiler:
   - gcc
 env:
   global:
-    - FIELD=auto  BIGNUM=auto  SCALAR=auto  ENDOMORPHISM=no  STATICPRECOMPUTATION=yes  ECMULTGENPRECISION=auto  ASM=no  BUILD=check  EXTRAFLAGS=  HOST=  ECDH=no  RECOVERY=no  EXPERIMENTAL=no CTIMETEST=yes
+    - FIELD=auto  BIGNUM=auto  SCALAR=auto  ENDOMORPHISM=no  STATICPRECOMPUTATION=yes  ECMULTGENPRECISION=auto  ASM=no  BUILD=check  EXTRAFLAGS=CPPFLAGS=-DITERS=1  HOST=  ECDH=no  RECOVERY=no  EXPERIMENTAL=no CTIMETEST=yes BENCH=yes
   matrix:
     - SCALAR=32bit    RECOVERY=yes
     - SCALAR=32bit    FIELD=32bit       ECDH=yes  EXPERIMENTAL=yes
@@ -26,7 +26,7 @@ env:
     - BIGNUM=no       ENDOMORPHISM=yes RECOVERY=yes EXPERIMENTAL=yes
     - BIGNUM=no       STATICPRECOMPUTATION=no
     - BUILD=distcheck CTIMETEST=
-    - EXTRAFLAGS=CPPFLAGS=-DDETERMINISTIC
+    - CPPFLAGS='-DDETERMINISTIC -DITERS=1'
     - EXTRAFLAGS=CFLAGS=-O0
     - ECMULTGENPRECISION=2
     - ECMULTGENPRECISION=8
@@ -74,18 +74,18 @@ matrix:
     - compiler: gcc
       env:
         - BIGNUM=no  ENDOMORPHISM=yes  ASM=x86_64 EXPERIMENTAL=yes ECDH=yes  RECOVERY=yes
-        - VALGRIND=yes EXTRAFLAGS="--disable-openssl-tests CPPFLAGS=-DVALGRIND" BUILD=
+        - VALGRIND=yes EXTRAFLAGS="--disable-openssl-tests" CPPFLAGS="-DVALGRIND -DITERS=1" BUILD=
     - compiler: gcc
       env: # The same as above but without endomorphism.
         - BIGNUM=no  ENDOMORPHISM=no  ASM=x86_64 EXPERIMENTAL=yes ECDH=yes  RECOVERY=yes
-        - VALGRIND=yes EXTRAFLAGS="--disable-openssl-tests CPPFLAGS=-DVALGRIND" BUILD=
+        - VALGRIND=yes EXTRAFLAGS="--disable-openssl-tests" CPPFLAGS="-DVALGRIND -DITERS=1" BUILD=
 
 before_script: ./autogen.sh
 
 script:
  - if [ -n "$HOST" ]; then export USE_HOST="--host=$HOST"; fi
  - if [ "x$HOST" = "xi686-linux-gnu" ]; then export CC="$CC -m32"; fi
- - ./configure --enable-experimental=$EXPERIMENTAL --enable-endomorphism=$ENDOMORPHISM --with-field=$FIELD --with-bignum=$BIGNUM --with-asm=$ASM --with-scalar=$SCALAR --enable-ecmult-static-precomputation=$STATICPRECOMPUTATION --with-ecmult-gen-precision=$ECMULTGENPRECISION --enable-module-ecdh=$ECDH --enable-module-recovery=$RECOVERY $EXTRAFLAGS $USE_HOST
+ - ./configure --enable-experimental=$EXPERIMENTAL --enable-endomorphism=$ENDOMORPHISM --with-field=$FIELD --with-bignum=$BIGNUM --with-asm=$ASM --with-scalar=$SCALAR --enable-ecmult-static-precomputation=$STATICPRECOMPUTATION --with-ecmult-gen-precision=$ECMULTGENPRECISION --enable-module-ecdh=$ECDH --enable-module-recovery=$RECOVERY CPPFLAGS=$CPPFLAGS $EXTRAFLAGS $USE_HOST
  - if [ -n "$BUILD" ]; then make -j2 $BUILD; fi
  - # travis_wait extends the 10 minutes without output allowed (https://docs.travis-ci.com/user/common-build-problems/#build-times-out-because-no-output-was-received)
  - # the `--error-exitcode` is required to make the test fail if valgrind found errors, otherwise it'll return 0 (http://valgrind.org/docs/manual/manual-core.html)
@@ -94,6 +94,12 @@ script:
    travis_wait 30 valgrind --error-exitcode=42 ./tests 16 &&
    travis_wait 30 valgrind --error-exitcode=42 ./exhaustive_tests;
    fi
+ - if [ -n "$BENCH" ]; then
+     if [ -n "$VALGRIND" ]; then EXEC='libtool --mode=execute valgrind --error-exitcode=42'; else EXEC= ; fi;
+     $EXEC ./bench_ecmult &>> bench.log && $EXEC ./bench_internal &>> bench.log && $EXEC ./bench_sign &>> bench.log && $EXEC ./bench_verify &>> bench.log;
+     if [ "$RECOVERY" == "yes" ]; then $EXEC ./bench_recover &>> bench.log; fi;
+     if [ "$ECDH" == "yes" ]; then $EXEC ./bench_ecdh &>> bench.log; fi;
+   fi
  - if [ -n "$CTIMETEST" ]; then
    libtool --mode=execute valgrind  ./valgrind_ctime_test &> valgrind_ctime_test.log;
    fi
@@ -102,3 +108,4 @@ after_script:
     - cat ./tests.log
     - cat ./exhaustive_tests.log
     - cat ./valgrind_ctime_test.log
+    - cat ./bench.log