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Jan Tattermusch jtattermusch

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@jtattermusch
jtattermusch / protobuf parsing serialization performance 2020-04-16
Last active April 16, 2020 10:10
BEFORE
| Method | BytesToParse | encodedSize | Mean | Error | StdDev | Gen 0/1k Op | Gen 1/1k Op | Gen 2/1k Op | Allocated Memory/Op |
|----------------- |------------- |------------ |----------:|----------:|----------:|------------:|------------:|------------:|--------------------:|
| ParseRawVarint32 | 10080 | 1 | 42.587 us | 0.8495 us | 1.3957 us | - | - | - | 88 B |
| ParseRawVarint64 | 10080 | 1 | 45.554 us | 0.8631 us | 0.8074 us | - | - | - | 88 B |
| ParseRawVarint32 | 10080 | 2 | 28.323 us | 0.1714 us | 0.1431 us | 0.0305 | - | - | 88 B |
| ParseRawVarint64 | 10080 | 2 | 25.848 us | 0.2385 us | 0.2231 us | 0.0305 | - | - | 88 B |
@jtattermusch
jtattermusch / gist:ae95aaf770eafcbd29b8bef83a1a9df6
Last active April 15, 2020 09:34
Protobuf benchmarks before and after
BEFORE
BenchmarkDotNet=v0.11.4, OS=debian rodete
Intel Xeon CPU 2.30GHz, 1 CPU, 8 logical and 4 physical cores
.NET Core SDK=3.0.100
[Host] : .NET Core 2.1.12 (CoreCLR 4.6.27817.01, CoreFX 4.6.27818.01), 64bit RyuJIT
DefaultJob : .NET Core 2.1.12 (CoreCLR 4.6.27817.01, CoreFX 4.6.27818.01), 64bit RyuJIT
@jtattermusch
jtattermusch / gist:7c59eb4a0acb6ddc92309c0d8d46e730
Created January 28, 2020 11:59
trying to repro https://github.com/grpc/grpc/issues/21751
FROM debian:stretch
# based on instructions in https://github.com/grpc/grpc/blob/master/BUILDING.md
RUN apt-get update && apt-get install -y build-essential autoconf libtool pkg-config
RUN apt-get update && apt-get install -y git curl
RUN cd /root && git clone https://github.com/grpc/grpc
WORKDIR /root/grpc
@jtattermusch
jtattermusch / setup_coredumps_linux.sh
Last active August 3, 2017 13:00
ulimit -c unlimited
echo '/tmp/core.%e.%p' | sudo tee /proc/sys/kernel/core_pattern
# Attach with GDB
# gdb path/to/the/binary /tmp/core.failing_test.3948
@jtattermusch
jtattermusch / ssh_command.sh
Created February 17, 2016 17:55
# After adding ForceCommand to sshd_config, this will make sure that
# user's env variables are properly loaded.
source /home/jenkins/win_ssh_uservars.sh
if [ "$SSH_ORIGINAL_COMMAND" ]
then
bash -c "$SSH_ORIGINAL_COMMAND"
fi
bash -
@jtattermusch
jtattermusch / win_ssh_uservars.sh
Last active February 17, 2016 17:59
# based on http://www.smithii.com/node/44
# ensure correct loading of env vars
pushd . >/dev/null
for __dir in \
/proc/registry/HKEY_LOCAL_MACHINE/SYSTEM/CurrentControlSet/Control/Session\ Manager/Environment \
/proc/registry/HKEY_CURRENT_USER/Environment
do
cd "$__dir"
for __var in *
do
@jtattermusch
jtattermusch / configure_sshd.sh
Last active January 13, 2024 21:28 — forked from samhocevar/gist:00eec26d9e9988d080ac
Configure sshd on MSYS2 and run it as a Windows service
#!/bin/sh
#
# sshd setup script for gRPC Jenkins windows worker.
#
# Prerequisites:
# — MSYS2 itself: http://sourceforge.net/projects/msys2/
# — admin tools: pacman -S openssh cygrunsrv mingw-w64-x86_64-editrights
#
# This script is a cleaned up and improved version of the procedure initially
# found at https://ghc.haskell.org/trac/ghc/wiki/Building/Windows/SSHD