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-rw-r--r--benchtests/Makefile26
-rw-r--r--benchtests/exp-inputs2
-rw-r--r--benchtests/pow-inputs2
-rw-r--r--benchtests/slowexp-inputs1
-rw-r--r--benchtests/slowexp.c19
-rw-r--r--benchtests/slowpow-inputs1
-rw-r--r--benchtests/slowpow.c19
7 files changed, 64 insertions, 6 deletions
diff --git a/benchtests/Makefile b/benchtests/Makefile
index cc54b81faa..b3dfbff971 100644
--- a/benchtests/Makefile
+++ b/benchtests/Makefile
@@ -25,7 +25,9 @@
 
 # - Define foo-ITER with the number of iterations you want to run.  Keep it
 #   high enough that the overhead of clock_gettime is only a small fraction of
-#   the total run time of the test.
+#   the total run time of the test.  A good idea would be to keep the run time
+#   of each test at around 10 seconds for x86_64.  That is just a guideline,
+#   since some scenarios may require higher run times.
 
 # - Define foo-ARGLIST as a colon separated list of types of the input
 #   arguments.  Use `void` if function does not take any inputs.  Put in quotes
@@ -43,14 +45,16 @@
 #   See pow-inputs for an example.
 
 subdir := benchtests
-bench := exp pow rint
+bench := exp pow rint slowexp slowpow
 
-exp-ITER = 100000
+# exp function fast path
+exp-ITER = 5e8
 exp-ARGLIST = double
 exp-RET = double
 LDFLAGS-bench-exp = -lm
 
-pow-ITER = 100000
+# pow function fast path
+pow-ITER = 2e8
 pow-ARGLIST = double:double
 pow-RET = double
 LDFLAGS-bench-pow = -lm
@@ -60,5 +64,19 @@ rint-ARGLIST = double
 rint-RET = double
 LDFLAGS-bench-rint = -lm
 
+# exp function slowest path
+slowexp-ITER = 3e5
+slowexp-ARGLIST = double
+slowexp-RET = double
+slowexp-INCLUDE = slowexp.c
+LDFLAGS-bench-slowexp = -lm
+
+# pow function slowest path
+slowpow-ITER = 1e5
+slowpow-ARGLIST = double:double
+slowpow-RET = double
+slowpow-INCLUDE = slowpow.c
+LDFLAGS-bench-slowpow = -lm
+
 include ../Makeconfig
 include ../Rules
diff --git a/benchtests/exp-inputs b/benchtests/exp-inputs
index a2086baa86..d81cc0710e 100644
--- a/benchtests/exp-inputs
+++ b/benchtests/exp-inputs
@@ -1 +1 @@
-708.00096423260981737257679924368858
+42
diff --git a/benchtests/pow-inputs b/benchtests/pow-inputs
index dbb1270b75..2f7cc03b52 100644
--- a/benchtests/pow-inputs
+++ b/benchtests/pow-inputs
@@ -1 +1 @@
-1.0000000000000020, 1.5
+42.0, 42.0
diff --git a/benchtests/slowexp-inputs b/benchtests/slowexp-inputs
new file mode 100644
index 0000000000..a2086baa86
--- /dev/null
+++ b/benchtests/slowexp-inputs
@@ -0,0 +1 @@
+708.00096423260981737257679924368858
diff --git a/benchtests/slowexp.c b/benchtests/slowexp.c
new file mode 100644
index 0000000000..92ac5e9b4c
--- /dev/null
+++ b/benchtests/slowexp.c
@@ -0,0 +1,19 @@
+/* Define slowexp.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#define slowexp exp
diff --git a/benchtests/slowpow-inputs b/benchtests/slowpow-inputs
new file mode 100644
index 0000000000..dbb1270b75
--- /dev/null
+++ b/benchtests/slowpow-inputs
@@ -0,0 +1 @@
+1.0000000000000020, 1.5
diff --git a/benchtests/slowpow.c b/benchtests/slowpow.c
new file mode 100644
index 0000000000..08f436d2a4
--- /dev/null
+++ b/benchtests/slowpow.c
@@ -0,0 +1,19 @@
+/* Define slowpow.
+   Copyright (C) 2013 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+#define slowpow pow