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Add ansibench/nbench
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‎Makefile‎

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all:
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$(Q)$(MAKE) -C src/asm-hello BUILD_DIR="$(BUILD_DIR)" RV32_EXT=$(RV32_EXT) OPT_LEVEL="$(OPT_LEVEL)" all
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$(Q)$(MAKE) -C src/ansibench/nbench BUILD_DIR="$(BUILD_DIR)" RV32_EXT=$(RV32_EXT) OPT_LEVEL="$(OPT_LEVEL)" all
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include mk/common.mk
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include mk/toolchain.mk

‎mk/toolchain.mk‎

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RV32_PREFIX := riscv32-unknown-elf-
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RISCV_TOOLCHAIN_DIR := riscv-gnu-toolchain
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CURDIR := $(abspath $(dir $(lastword $(MAKEFILE_LIST)))/..)
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RISCV_TOOLCHAIN_DIR := $(CURDIR)/riscv-gnu-toolchain
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SHELL_HACK := $(shell mkdir -p $(RISCV_TOOLCHAIN_DIR)/build/$(RV32_EXT))
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CROSS_COMPILE := $(shell find $(RISCV_TOOLCHAIN_DIR)/build/$(RV32_EXT) -name $(RV32_PREFIX)gcc)
@@ -11,7 +12,7 @@ build-toolchain:
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ifeq ($(CROSS_COMPILE),)
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git submodule update --init $(RISCV_TOOLCHAIN_DIR)
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cd $(RISCV_TOOLCHAIN_DIR) && ./configure \
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--prefix=$(shell pwd)/$(RISCV_TOOLCHAIN_DIR)/build/$(RV32_EXT) \
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--prefix=$(RISCV_TOOLCHAIN_DIR)/build/$(RV32_EXT) \
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--with-arch=$(RV32_EXT) \
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--with-abi=ilp32 \
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--disable-gdb

‎src/ansibench/README.md‎

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‎src/ansibench/nbench/Makefile‎

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RV32_EXT ?= rv32gc
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OPT_LEVEL ?= 0 1 2
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CURDIR := $(abspath $(dir $(lastword $(MAKEFILE_LIST))))
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SRC_DIR := $(CURDIR)/src
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CFLAGS := -c -std=c99 -I$(CURDIR)/include
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LDFLAGS := -lm
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# prevent lazy set if not providing initial value
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ifeq ($(BUILD_DIR),)
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BUILD_DIR := $(CURDIR)/build
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endif
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SRCS := \
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misc.c \
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sysspec.c \
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emfloat.c \
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nbench1.c \
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nbench0.c
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OBJS := $(SRCS:%.c=%.o)
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EXECUTABLES := nbench.elf
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SHELL_HACK := $(shell mkdir -p $(foreach LEVEL,$(OPT_LEVEL),$(BUILD_DIR)/$(RV32_EXT)/O$(LEVEL)/nbench))
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.PHONY: all clean build-O0 build-O1 build-O2
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ifneq ($(filter $(OPT_LEVEL), 0),)
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all: build-O0
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endif
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ifneq ($(filter $(OPT_LEVEL), 1),)
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all: build-O1
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endif
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ifneq ($(filter $(OPT_LEVEL), 2),)
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all: build-O2
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endif
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include ../../../mk/common.mk
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include ../../../mk/toolchain.mk
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build-O0: $(addprefix $(BUILD_DIR)/$(RV32_EXT)/O0/nbench/,$(EXECUTABLES))
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$(BUILD_DIR)/$(RV32_EXT)/O0/nbench/$(EXECUTABLES): $(addprefix $(BUILD_DIR)/$(RV32_EXT)/O0/nbench/,$(OBJS))
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$(VECHO) " RISCVLD\t$(patsubst $(abspath $(BUILD_DIR)/..)/%,%,$@)\n"
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$(Q)$(CROSS_COMPILE) -o $@ -O0 $^ $(LDFLAGS)
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$(BUILD_DIR)/$(RV32_EXT)/O0/nbench/%.o: $(SRC_DIR)/%.c | build-toolchain
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$(VECHO) " RISCVCC\t$(patsubst $(abspath $(BUILD_DIR)/..)/%,%,$@)\n"
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$(Q)$(CROSS_COMPILE) -o $@ -O0 $(CFLAGS) $<
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build-O1: $(addprefix $(BUILD_DIR)/$(RV32_EXT)/O1/nbench/,$(EXECUTABLES))
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$(BUILD_DIR)/$(RV32_EXT)/O1/nbench/$(EXECUTABLES): $(addprefix $(BUILD_DIR)/$(RV32_EXT)/O1/nbench/,$(OBJS))
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$(VECHO) " RISCVLD\t$(patsubst $(abspath $(BUILD_DIR)/..)/%,%,$@)\n"
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$(Q)$(CROSS_COMPILE) -o $@ -O1 $^ $(LDFLAGS)
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$(BUILD_DIR)/$(RV32_EXT)/O1/nbench/%.o: $(SRC_DIR)/%.c | build-toolchain
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$(VECHO) " RISCVCC\t$(patsubst $(abspath $(BUILD_DIR)/..)/%,%,$@)\n"
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$(Q)$(CROSS_COMPILE) -o $@ -O1 $(CFLAGS) $<
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build-O2: $(addprefix $(BUILD_DIR)/$(RV32_EXT)/O2/nbench/,$(EXECUTABLES))
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$(BUILD_DIR)/$(RV32_EXT)/O2/nbench/$(EXECUTABLES): $(addprefix $(BUILD_DIR)/$(RV32_EXT)/O2/nbench/,$(OBJS))
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$(VECHO) " RISCVLD\t$(patsubst $(abspath $(BUILD_DIR)/..)/%,%,$@)\n"
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$(Q)$(CROSS_COMPILE) -o $@ -O2 $^ $(LDFLAGS)
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$(BUILD_DIR)/$(RV32_EXT)/O2/nbench/%.o: $(SRC_DIR)/%.c | build-toolchain
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$(VECHO) " RISCVCC\t$(patsubst $(abspath $(BUILD_DIR)/..)/%,%,$@)\n"
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$(Q)$(CROSS_COMPILE) -o $@ -O2 $(CFLAGS) $<
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clean:
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$(RM) $(foreach LEVEL,$(OPT_LEVEL),$(BUILD_DIR)/$(RV32_EXT)/O$(LEVEL)/nbench/*)

‎src/ansibench/nbench/README‎

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February 18, 2003
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-----------------
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Bug-fix release.
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December 9, 1997
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----------------
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This release is based on beta release 2 of BYTE Magazine's BYTEmark
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benchmark program (previously known as BYTE's Native Mode
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Benchmarks). This document covers the Native Mode (a.k.a. Algorithm
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Level) tests; benchmarks designed to expose the capabilities of a
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system's CPU, FPU, and memory system.
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Running a "make" will create the binary if all goes well. It is called
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"nbench" and performs a suite of 10 tests and compares the results to
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a Dell Pentium 90 with 16 MB RAM and 256 KB L2 cache running MSDOS and
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compiling with the Watcom 10.0 C/C++ compiler. If you define -DLINUX
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during compilation (the default) then you also get a comparison to an
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AMD K6/233 with 32 MB RAM and 512 KB L2-cache running Linux 2.0.32 and
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using a binary which was compiled with GNU gcc version 2.7.2.3 and GNU
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libc-5.4.38.
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For more verbose output specify -v as an argument.
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The primary web site is: http://www.tux.org/~mayer/linux/bmark.html
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The port to Linux/Unix was done by Uwe F. Mayer <mayer@tux.org>.
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The index-split was done by Andrew D. Balsa, and reflects the
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realization that memory management is important in CPU design. The
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original tests have been left alone, however, the tests NUMERIC SORT,
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FP EMULATION, IDEA, and HUFFMAN now constitute the integer-arithmetic
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focused benchmark index, while the tests STRING SORT, BITFIELD, and
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ASSIGNMENT make up the new memory index.
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The algorithms were not changed from the source which was obtained
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from the BYTE web site at http://www.byte.com/bmark/bmark.htm on
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December 14, 1996. However, the source was modified to better work
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with 64-bit machines (in particular the random number generator was
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modified to always work with 32 bit, no matter what kind of hardware
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you run it on). Furthermore, for some of the algorithms additional
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resettings of the data was added to increase the consistency across
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different hardware. Some extra debugging code was added, which has no
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impact on normal runs.
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In case there is uneven system load due to other processes while this
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benchmark suite executes, it might take longer to run than on an
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unloaded system. This is because the benchmark does some statistical
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analysis to make sure that the reported results are statistically
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significant, and an increased variation in individual runs requires
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more runs to achieve the required statistical confidence.
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This is a single-threaded benchmark and is not designed to measure the
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performance gain on multi-processor machines.
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For details and customization read bdoc.txt.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

‎src/ansibench/nbench/data/NNET.DAT‎

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