[PATCH] Add CoreMark Benchmark

[Joel Sherrill]

Is this being added to rtems-examples?

Is it clear where this came from (URL) and what version it is per the
origin?

Do all of examples build for you with waf? I tried this week and they all
build with make but not waf?

How do the numbers look?

Except for origin statement, none of this is a reason not to merge.

--joel

On Fri, Feb 21, 2020, 11:00 AM Hesham Almatary <Hesham.Almatary at cl.cam.ac.uk>
wrote:

> CoreMark's primary goals are simplicity and providing a method for testing
> only a processor's core features.
> It is used primarily here as a performance benchmark
>
> Built and tested for RISC-V rv64imafdc_medany on QEMU and HW
> ---
>  .gitmodules                  |  3 +++
>  benchmarks/coremark/coremark |  1 +
>  benchmarks/coremark/wscript  | 48 ++++++++++++++++++++++++++++++++++++
>  benchmarks/wscript           |  2 ++
>  4 files changed, 54 insertions(+)
>  create mode 160000 benchmarks/coremark/coremark
>  create mode 100644 benchmarks/coremark/wscript
>
> diff --git a/.gitmodules b/.gitmodules
> index ae86e49..2bcba90 100644
> --- a/.gitmodules
> +++ b/.gitmodules
> @@ -1,3 +1,6 @@
>  [submodule "rtems_waf"]
>         path = rtems_waf
>         url = git://git.rtems.org/rtems_waf.git
> +[submodule "benchmarks/coremark/coremark"]
> +       path = benchmarks/coremark/coremark
> +       url = git at github.com:CTSRD-CHERI/coremark.git
> diff --git a/benchmarks/coremark/coremark b/benchmarks/coremark/coremark
> new file mode 160000
> index 0000000..cdafe98
> --- /dev/null
> +++ b/benchmarks/coremark/coremark
> @@ -0,0 +1 @@
> +Subproject commit cdafe986865cf46a3222f7bf28be82fc8d96fa8f
> diff --git a/benchmarks/coremark/wscript b/benchmarks/coremark/wscript
> new file mode 100644
> index 0000000..c2c225a
> --- /dev/null
> +++ b/benchmarks/coremark/wscript
> @@ -0,0 +1,48 @@
> +#-
> +# SPDX-License-Identifier: BSD-2-Clause
> +#
> +# Copyright (c) 2020 Hesham Almatary
> +#
> +# This software was developed by SRI International and the University of
> +# Cambridge Computer Laboratory (Department of Computer Science and
> +# Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of
> the
> +# DARPA SSITH research programme.
> +#
> +# 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.
> +#
> +# THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
> +#
> +
> +import rtems_waf.rtems as rtems
> +
> +def build(bld):
> +    rtems.build(bld)
> +
> +    bld(features = 'c cprogram',
> +        target = 'coremark.bin',
> +        includes = 'coremark/ coremark/rtems',
> +        source = ['coremark/rtems/core_portme.c',
> +                  'coremark/core_list_join.c', 'coremark/core_main.c',
> 'coremark/core_matrix.c', 'coremark/core_state.c', 'coremark/core_util.c'],
> +
> +        defines = [
> +        # FLAGS_STR is used within CoreMark to print the compiler flags
> used
> +        'FLAGS_STR="'+' '.join([str(flag) for flag in bld.env.CFLAGS])+'"'
> +        ]
> +    )
> diff --git a/benchmarks/wscript b/benchmarks/wscript
> index 12741e7..24db85b 100644
> --- a/benchmarks/wscript
> +++ b/benchmarks/wscript
> @@ -1,3 +1,4 @@
> +# Copyright 2020 Hesham Almatary (hesham.almatary at cl.cam.ac.uk)
>  # Copyright 2013 Gedare Bloom (gedare at rtems.org)
>  #
>  # This file's license is 2-clause BSD as in this distribution's LICENSE.2
> file.
> @@ -7,4 +8,5 @@ import rtems_waf.rtems as rtems
>
>  def build(bld):
>      bld.recurse('nbench')
> +    bld.recurse('coremark')
>
> --
> 2.17.1
>
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>
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