alexandrnikitin’s gists

alexandrnikitin / 1create.sh

Last active September 30, 2024 17:59

How to launch Colab on a GCE spot instance

	gcloud beta compute instances create colab-1-vm \
	--machine-type=e2-highmem-4 \
	--provisioning-model=SPOT \
	--boot-disk-size=200GB \
	--boot-disk-type=pd-balanced \
	--instance-termination-action=DELETE \
	--image=https://www.googleapis.com/compute/v1/projects/colab-marketplace-image-public/global/images/colab-mp-20220110 \
	--network=https://www.googleapis.com/compute/v1/projects/<INSERT_PROJECT_ID>/global/networks/default \
	--subnet=https://www.googleapis.com/compute/v1/projects/<INSERT_PROJECT_ID>/regions/<INSERT_REGION>/subnetworks/default \
	--no-restart-on-failure \

alexandrnikitin / ergodox.sh

Created December 19, 2018 05:27

Ergodox keyboard layout

	sudo apt-get install gcc-avr avr-libc
	git clone https://github.com/qmk/qmk_firmware.git
	cd qmk_firmware/
	make ergodox_ez:default

alexandrnikitin / flamegraphs.sh

Last active October 2, 2018 11:33

HOWTO: Create FlameGraphs for java

	yum install git perf cmake gcc gcc-c++

	# generates method mappings
	cd ~
	git clone https://github.com/jrudolph/perf-map-agent.git
	cd perf-map-agent/
	export JAVA_HOME=/opt/jdk1.8.0_91
	cmake .
	make

alexandrnikitin / console.sh

Created September 14, 2018 06:51

	C:\projects\my\bloom-filter-scala>sbt "project tests" "testOnly *UnsafeBitArraysSpec"
	Java HotSpot(TM) 64-Bit Server VM warning: ignoring option MaxPermSize=256m; support was removed in 8.0
	[info] Loading global plugins from C:\Users\a.nikitin.ADFORM\.sbt\0.13\plugins
	[info] Loading project definition from C:\projects\my\bloom-filter-scala\project
	[info] Set current project to bloom-filter-root (in build file:/C:/projects/my/bloom-filter-scala/)
	[info] Set current project to tests (in build file:/C:/projects/my/bloom-filter-scala/)
	[warn] javaOptions will be ignored, fork is set to false
	[info] + UnsafeBitArray.\|: OK, passed 100 tests.
	[info] Elapsed time: 57.069 sec
	#

alexandrnikitin / Install latest kernel on CentOS 7.sh

Created March 30, 2018 09:53

Install latest kernel on CentOS 7

	sudo rpm --import https://www.elrepo.org/RPM-GPG-KEY-elrepo.org
	sudo rpm -Uvh http://www.elrepo.org/elrepo-release-7.0-3.el7.elrepo.noarch.rpm
	sudo yum --disablerepo="*" --enablerepo="elrepo-kernel" list available
	sudo yum --enablerepo=elrepo-kernel install kernel-ml
	awk -F\' /^menuentry/{print\$2} /etc/grub2-efi.cfg
	sudo grub2-set-default 0
	sudo grub2-mkconfig -o /boot/grub2/grub.cfg
	shutdown -r now

alexandrnikitin / sprt.ipynb

Created January 5, 2018 10:42

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alexandrnikitin / Benchmark.java

Created November 15, 2017 19:48

JMH

	package com;

	import org.junit.Ignore;
	import org.junit.Test;
	import org.openjdk.jmh.annotations.Benchmark;
	import org.openjdk.jmh.annotations.Scope;
	import org.openjdk.jmh.annotations.Setup;
	import org.openjdk.jmh.annotations.State;
	import org.openjdk.jmh.infra.Blackhole;
	import org.openjdk.jmh.profile.GCProfiler;

alexandrnikitin / Makefile.docker

Created November 2, 2017 15:00

Makefile for Dockerfile

	NS = docker.repo.com
	REPO = image/name
	VERSION ?= v0.1.0

	NAME = dsp-pricing-data-distribution-build
	INSTANCE = default

	.PHONY: build push shell run start stop rm tag_latest release

	build:

alexandrnikitin / JITDisasm-x86.txt

Last active October 20, 2017 19:28

https://github.com/dotnet/coreclr/issues/14615

	; Assembly listing for method _1020.MethodBelow:RaiseValue(double):this
	; Emitting BLENDED_CODE for generic X86 CPU
	; optimized code
	; ebp based frame
	; partially interruptible
	; Final local variable assignments
	;
	; V00 this [V00,T00] ( 6, 6 ) ref -> ecx this class-hnd
	; V01 arg1 [V01,T04] ( 2, 2 ) double -> mm0
	; V02 tmp0 [V02,T01] ( 4, 8 ) double -> mm2

alexandrnikitin / Disable CPU power saving on CentOS 7.sh

Last active May 20, 2021 03:20

Disable CPU power saving on CentOS 7



	# disable power saving on CentOS 7
	grep -E '^model name\|^cpu MHz' /proc/cpuinfo
	pgrep -lf ondemand
	cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
	for CPUFREQ in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do [ -f $CPUFREQ ] \|\| continue; echo -n performance > $CPUFREQ; done
	service cpuspeed stop
	lsmod \| grep ondemand
	grep -E '^model name\|^cpu MHz' /proc/cpuinfo

Alexandr Nikitin alexandrnikitin