From a1edccd6474e16c35ad0992f18bc02d03d4e8365 Mon Sep 17 00:00:00 2001 From: Zihao Yu Date: Mon, 28 Sep 2020 13:42:17 +0800 Subject: [PATCH] benchmarks: readd README.md --- .gitignore | 1 + benchmarks/coremark/README.md | 231 ++++++++++++++++++++++++++++++++ benchmarks/microbench/README.md | 69 ++++++++++ 3 files changed, 301 insertions(+) create mode 100644 benchmarks/coremark/README.md create mode 100644 benchmarks/microbench/README.md diff --git a/.gitignore b/.gitignore index 8653c2c..5170a12 100644 --- a/.gitignore +++ b/.gitignore @@ -6,6 +6,7 @@ !*.S !Makefile !README +!README.md !LICENSE .* _* diff --git a/benchmarks/coremark/README.md b/benchmarks/coremark/README.md new file mode 100644 index 0000000..209e4c2 --- /dev/null +++ b/benchmarks/coremark/README.md @@ -0,0 +1,231 @@ +# Coremark + +''' +File: CoreMark + +Topic: Welcome +Copyright � 2009 EEMBC All rights reserved. +CoreMark is a trademark of EEMBC and EEMBC is a registered trademark of the Embedded Microprocessor Benchmark Consortium. + +CoreMark�s primary goals are simplicity and providing a method for testing only a processor�s core features. + +For more information about EEMBC's comprehensive embedded benchmark suites, please see www.eembc.org. + +Topic: Building and running + Download the release files from the www.coremark.org. + You can verify the download using the coremark_.md5 file + > md5sum -c coremark_.md5 + + Unpack the distribution (tar -vzxf coremark_.tgz && tar -vzxf coremark__docs.tgz) + then change to the coremark_ folder. + + To build and run the benchmark, type + > make + Full results are available in the files run1.log and run2.log. + CoreMark result can be found in run1.log. + + For self hosted Linux or Cygwin platforms, a simple make should work. + + Cross Compile: + For cross compile platforms please adjust , (and possibly ) + according to the specific platform used. + When porting to a new platform, it is recommended to copy one of the default port folders + (e.g. mkdir && cp linux/* ), adjust the porting files, and run + > make PORT_DIR= + + Systems without make: + The following files need to be compiled: + - + - + - + - + - + - / + + For example + > gcc -O2 -o coremark.exe core_list_join.c core_main.c core_matrix.c core_state.c core_util.c simple/core_portme.c -DPERFORMANCE_RUN=1 -DITERATIONS=1000 + > ./coremark.exe > run1.log + The above will compile the benchmark for a performance run and 1000 iterations. Output is redirected to run1.log. + + Make targets: + run - Default target, creates run1.log and run2.log. + run1.log - Run the benchmark with performance parameters, and output to run1.log + run2.log - Run the benchmark with validation parameters, and output to run2.log + run3.log - Run the benchmark with profile generation parameters, and output to run3.log + compile - compile the benchmark executable + link - link the benchmark executable + check - test MD5 of sources that may not be modified + clean - clean temporary files + + ITERATIONS: + By default, the benchmark will run between 10-100 seconds. + To override, use ITERATIONS=N + > make ITERATIONS=10 + Will run the benchmark for 10 iterations. + It is recommended to set a specific number of iterations in certain situations e.g.: + - Running with a simulator + - Measuring power/energy + - Timing cannot be restarted + + Minimum required run time: + Results are only valid for reporting if the benchmark ran for at least 10 secs! + + XCFLAGS: + To add compiler flags from the command line, use XCFLAGS e.g. + > make XCFLAGS="-g -DMULTITHREAD=4 -DUSE_FORK=1" + + o CORE_DEBUG + + Define to compile for a debug run if you get incorrect CRC. + > make XCFLAGS="-DCORE_DEBUG=1" + + o Parallel Execution + + Use XCFLAGS=-DMULTITHREAD=N where N is number of threads to run in parallel. + Several implementations are available to execute in multiple contexts, + or you can implement your own in . + > make XCFLAGS="-DMULTITHREAD=4 -DUSE_PTHREAD" + Above will compile the benchmark for execution on 4 cores, using POSIX Threads API. + + REBUILD: + To force rebuild, add the flag REBUILD to the command line + > make REBUILD=1 + + Check core_portme.mak for more important options. + + Run parameters for the benchmark executable: + Coremark executable takes several parameters as follows (if main accepts arguments). + 1st - A seed value used for initialization of data. + 2nd - A seed value used for initialization of data. + 3rd - A seed value used for initialization of data. + 4th - Number of iterations (0 for auto : default value) + 5th - Reserved for internal use. + 6th - Reserved for internal use. + 7th - For malloc users only, ovreride the size of the input data buffer. + + The run target from make will run coremark with 2 different data initialization seeds. + + Alternative parameters: + If not using malloc or command line arguments are not supported, the buffer size + for the algorithms must be defined via the compiler define TOTAL_DATA_SIZE. + TOTAL_DATA_SIZE must be set to 2000 bytes (default) for standard runs. + The default for such a target when testing different configurations could be ... + > make XCFLAGS="-DTOTAL_DATA_SIZE=6000 -DMAIN_HAS_NOARGC=1" + +Topic: Documentation + When you unpack the documentation (tar -vzxf coremark__docs.tgz) a docs folder will be created. + Check the file docs/html/index.html and the website http://www.coremark.org for more info. + +Topic: Submitting results + CoreMark results can be submitted on the web. + + Open a web browser and go to http://www.coremark.org/benchmark/index.php?pg=benchmark + Select the link to add a new score and follow the instructions. + +Topic: Run rules + What is and is not allowed. + + Required: + 1 - The benchmark needs to run for at least 10 seconds. + 2 - All validation must succeed for seeds 0,0,0x66 and 0x3415,0x3415,0x66, + buffer size of 2000 bytes total. + o If not using command line arguments to main: + > make XCFLAGS="-DPERFORMANCE_RUN=1" REBUILD=1 run1.log + > make XCFLAGS="-DVALIDATION_RUN=1" REBUILD=1 run2.log + 3 - If using profile guided optimization, profile must be generated using seeds of 8,8,8, + and buffer size of 1200 bytes total. + > make XCFLAGS="-DTOTAL_DATA_SIZE=1200 -DPROFILE_RUN=1" REBUILD=1 run3.log + 4 - All source files must be compiled with the same flags. + 5 - All data type sizes must match size in bits such that: + o ee_u8 is an 8 bits datatype. + o ee_s16 is an 16 bits datatype. + o ee_u16 is an 16 bits datatype. + o ee_s32 is an 32 bits datatype. + o ee_u32 is an 32 bits datatype. + + Allowed: + - Changing number of iterations + - Changing toolchain and build/load/run options + - Changing method of acquiring a data memory block + - Changing the method of acquiring seed values + - Changing implementation in core_portme.c + - Changing configuration values in core_portme.h + - Changing core_portme.mak + + Not allowed: + - Changing of source file other then core_portme* (use make check to validate) + +Topic: Reporting rules + How to report results on a data sheet? + + CoreMark 1.0 : N / C [/ P] [/ M] + + N - Number of iterations per second with seeds 0,0,0x66,size=2000) + C - Compiler version and flags + P - Parameters such as data and code allocation specifics + - This parameter *may* be omitted if all data was allocated on the heap in RAM. + - This parameter *may not* be omitted when reporting CoreMark/MHz + M - Type of parallel execution (if used) and number of contexts + This parameter may be omitted if parallel execution was not used. + + e.g. + > CoreMark 1.0 : 128 / GCC 4.1.2 -O2 -fprofile-use / Heap in TCRAM / FORK:2 + or + > CoreMark 1.0 : 1400 / GCC 3.4 -O4 + + If reporting scaling results, the results must be reported as follows: + + CoreMark/MHz 1.0 : N / C / P [/ M] + + P - When reporting scaling results, memory parameter must also indicate memory frequency:core frequency ratio. + - If the core has cache and cache frequency to core frequency ratio is configurable, that must also be included. + + e.g. + > CoreMark/MHz 1.0 : 1.47 / GCC 4.1.2 -O2 / DDR3(Heap) 30:1 Memory 1:1 Cache + + +Topic: Log File Format + The log files have the following format +(start example) +2K performance run parameters for coremark. (Run type) +CoreMark Size : 666 (Buffer size) +Total ticks : 25875 (platform dependent value) +Total time (secs) : 25.875000 (actual time in seconds) +Iterations/Sec : 3864.734300 (Performance value to report) +Iterations : 100000 (number of iterations used) +Compiler version : GCC3.4.4 (Compiler and version) +Compiler flags : -O2 (Compiler and linker flags) +Memory location : Code in flash, data in on chip RAM +seedcrc : 0xe9f5 (identifier for the input seeds) +[0]crclist : 0xe714 (validation for list part) +[0]crcmatrix : 0x1fd7 (validation for matrix part) +[0]crcstate : 0x8e3a (validation for state part) +[0]crcfinal : 0x33ff (iteration dependent output) +Correct operation validated. See readme.txt for run and reporting rules. (*Only when run is successful*) +CoreMark 1.0 : 6508.490622 / GCC3.4.4 -O2 / Heap (*Only on a successful performance run*) +(end example) + +Topic: Legal +See LICENSE.txt or the word document file under docs/LICENSE.doc. +For more information on your legal rights to use this benchmark, please see +http://www.coremark.org/download/register.php?pg=register + +Topic: Credits +Many thanks to all of the individuals who helped with the development or testing of CoreMark including (Sorted by company name) +o Alan Anderson, ADI +o Adhikary Rajiv, ADI +o Elena Stohr, ARM +o Ian Rickards, ARM +o Andrew Pickard, ARM +o Trent Parker, CAVIUM +o Shay Gal-On, EEMBC +o Markus Levy, EEMBC +o Ron Olson, IBM +o Eyal Barzilay, MIPS +o Jens Eltze, NEC +o Hirohiko Ono, NEC +o Ulrich Drees, NEC +o Frank Roscheda, NEC +o Rob Cosaro, NXP +o Shumpei Kawasaki, RENESAS +''' diff --git a/benchmarks/microbench/README.md b/benchmarks/microbench/README.md new file mode 100644 index 0000000..b332e2a --- /dev/null +++ b/benchmarks/microbench/README.md @@ -0,0 +1,69 @@ +# MicroBench + +CPU正确性和性能测试用基准程序。对AbstractMachine的要求： + +1. 需要实现TRM和IOE的API。 +2. 在IOE的全部实现均留空的情况下仍可运行。如果有正确实现的`AM_TIMER_UPTIME`，可以输出正确的统计时间。若这个功能没有实现(返回`0`)，仍可进行正确性测试。 +3. 使用`putch(ch)`输出。 +4. 堆区`heap`必须初始化(堆区可为空)。如果`heap.start == heap.end`，即分配了空的堆区，只能运行不使用堆区的测试程序。每个基准程序会预先指定堆区的大小，堆区不足的基准程序将被忽略。 + +## 使用方法 + +同一组程序分成三组：test，train和ref。 +test数据规模很小，作为测试用，不计时不评分。 +train数据规模中等，可用于在仿真环境研究微结构行为，计时不评分。 +ref数据规模较大，作为衡量CPU性能用，计时并评分。 + +默认运行ref数据规模，使用 +```bash +make ARCH=native run mainargs=test +``` +运行test数据规模，使用 +```bash +make ARCH=native run mainargs=train +``` +运行train数据规模。 + +## 评分根据 + +每个benchmark都记录以`REF_CPU`为基础测得的运行时间微秒数。每个benchmark的评分是相对于`REF_CPU`的运行速度，与基准处理器一样快的得分为`REF_SCORE=100000`。 + +所有benchmark的平均得分是整体得分。 + +## 已有的基准程序 + +| 名称 | 描述 | ref堆区使用 | +| ----- | ------------------------------------ | ----- | +| qsort | 快速排序随机整数数组 | 640KB | +| queen | 位运算实现的n皇后问题 | 0 | +| bf | Brainf**k解释器，快速排序输入的字符串 | 32KB | +| fib | Fibonacci数列f(n)=f(n-1)+…+f(n-m)的矩阵求解 | 256KB | +| sieve | Eratosthenes筛法求素数 | 2MB | +| 15pz | A*算法求解4x4数码问题 | 2MB | +| dinic | Dinic算法求解二分图最大流 | 1MB | +| lzip | Lzip数据压缩 | 4MB | +| ssort | Skew算法后缀排序 | 4MB | +| md5 | 计算长随机字符串的MD5校验和 | 16MB | + +## 增加一个基准程序`foo` + +在`src/`目录下建立名为`foo`的目录，将源代码文件放入。 + +每个基准程序需要实现三个函数： + +* `void bench_foo_prepare();`：进行准备工作，如初始化随机数种子、为数组分配内存等。运行时环境不保证全局变量和堆区的初始值，因此基准程序使用的全局数据必须全部初始化。 +* `void bench_foo_run();`：实际运行基准程序。只有这个函数会被计时。 +* `int bench_foo_validate();`：验证基准程序运行结果。正确返回1，错误返回0。 + +在`benchmark.h`的`BENCHMARK_LIST`中增加相应的`def`项，格式参考已有的benchmark。 + +## 基准程序可以使用的库函数 + +虽然klib中提供了一些函数，但不同的klib实现会导致性能测试结果有差异。 +因此MicroBench中内置一些简单的库函数: + +* `bench_memcpy(void *dst, const void *src, size_t n)`: 内存复制。 +* `bench_srand(uint seed)`：用seed初始化随机数种子。 +* `bench_rand()`：返回一个0..32767之间的随机数。 +* `bench_alloc`/`bench_free`：内存分配/回收。目前回收是空操作。 +