inoue.tomoya bave
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| diagram: | |
| fill: "white" | |
| columns: 20 | |
| rows: 20 | |
| gridLines: true | |
| title: | |
| author: bebebe | |
| company: nict | |
| color: black | |
| text: rd.enobed 172.19.0.0/16 |
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| // +avx, +popcnt, +bmi2 | |
| unsafe fn mm256_compressstroeu_ps(array: *mut f32, mask: u8, src: __m256) | |
| { | |
| let convert = _pext_u64(0x0706050403020100, _pdep_u64(mask as u64, 0x0101010101010101)*0xFF); | |
| let permute = _mm256_cvtepu8_epi32(_mm_cvtsi64_si128(convert as i64)); | |
| let compress = _mm256_permutevar8x32_ps(src, permute); | |
| let imm8 = _popcnt64(mask as i64); | |
| let ret = match imm8 { | |
| 0 => { _mm256_blend_ps(_mm256_loadu_ps(array), compress, 0x00) }, |
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| #include <sys/types.h> | |
| #include <sys/ioctl.h> | |
| #include <sys/stat.h> | |
| #include <net/if.h> | |
| /* | |
| unsigned int if_nametoindex(const char *ifname); | |
| char *if_indextoname(unsigned int ifindex, char *ifname); | |
| */ |
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| #include <stdio.h> | |
| #include <errno.h> | |
| #include <unistd.h> | |
| #include <stdlib.h> | |
| #include <signal.h> | |
| #include <string.h> | |
| #include <pthread.h> | |
| #include <sys/epoll.h> | |
| #include <sys/signalfd.h> |
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| #include <stdio.h> | |
| #include <stdlib.h> | |
| #include <unistd.h> | |
| #include <sys/types.h> | |
| #include <sys/wait.h> | |
| int child() | |
| { | |
| int count = 10; |
bave
/ ubuntu tickless memo
Last active
February 19, 2024 20:37
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| sudo apt-get update | |
| sudo apt-get upgrade | |
| sudo apt-get dist-upgrade | |
| sudo apt-get install htop | |
| sudo apt-get install build-essential | |
| sudo apt-get install libncurses-dev | |
| sudo apt-get install libssl-dev | |
| sudo apt-get install bc | |
| sudo apt-get install linux-source | |
| sudo -s |
bave
/ gist:20893af9bd2c52190add
Last active
January 24, 2016 12:54
freebsd: kernel proc and thread on kernel module
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| #include <sys/cdefs.h> | |
| #include <sys/types.h> | |
| #include <sys/param.h> | |
| #include <sys/systm.h> | |
| #include <sys/proc.h> | |
| #include <sys/lock.h> | |
| #include <sys/mutex.h> | |
| #include <sys/kernel.h> | |
| #include <sys/kthread.h> |
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| #!/bin/sh | |
| #modprobe pktgen | |
| ETH="eth0" | |
| CLONE_SKB="clone_skb 10" | |
| PKT_SIZE="64" | |
| DELAY="0" | |
| SRC_MAC="00:26:2d:08:8b:25" | |
| DST_MAC="00:26:2d:08:99:fb" |
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| #!/bin/sh | |
| #fetch freebsd-live.iso | |
| mkdir hoge | |
| bsdtar -C hoge -pxvf freebsd-live.iso | |
| cd hoge | |
| # -------- | |
| # 書き換え | |
| # -------- | |
| mkisofs -v -b boot/cdboot -no-emul-boot -r -J -V "FREEBSD_INSTALL" -o ../freebsd_customize.iso ./ |
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| #!/usr/bin/env sh | |
| cd /tmp | |
| apt-get update | |
| apt-get -y install git build-essential | |
| apt-get -y install linux-source linux-headers-generic | |
| tar xvf /usr/src/linux-source-`uname -r | awk 'BEGIN { FS="-" } { print $1 }'`.tar.bz2 -C /usr/src | |
| git clone https://github.com/luigirizzo/netmap.git | |
| cd netmap/LINUX | |
| SRC_VAR=/usr/src/linux-source-`uname -r | awk 'BEGIN { FS="-" } { print $1 }'` | |
| ./configure --kernel-sources=${SRC_VAR} |
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