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g++ -O3 bench.cpp ``` // https://stackoverflow.com/questions/40950254/speed-up-random-memory-access-using-prefetch #include #include #include #include 阅读全文
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apt-get install binutils-dev yum install binutils-devel 阅读全文
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https://developer.aliyun.com/mirror/maven?spm=a2c6h.13651102.0.0.7be81b11Z03b5j <settings xmlns="http://maven.apache.org/SETTINGS/1.0.0" xmlns:xsi="ht 阅读全文
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Umbra: A Disk-Based System with In-Memory Performance http://db.in.tum.de/~freitag/papers/p29-neumann-cidr20.pdf TOWARDS PRACTICAL VECTORIZED ANALYTIC 阅读全文
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((void***)0x60600053b770)[0] 阅读全文
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原因1: 需要确保编译的时候有 -g选项,没有-g是没符号的 原因2: binary strip过,把符号表删除了 原因3: binary 跟coredump不匹配 原因4: 产生coredump的机器跟debug机器的库不匹配 一般的输出为 /lib64/xxx.so.x is not at th 阅读全文
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in WSL ternimal: explorer.exe . 阅读全文
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for cmake: make VERBOSE=1 for make make V=1 阅读全文
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yum -y install centos-release-scl yum -y install devtoolset-7-gcc devtoolset-7-gcc-c++ devtoolset-7-binutils scl enable devtoolset-7 bash 阅读全文