Skip to content

Instantly share code, notes, and snippets.

David Mark Clements davidmarkclements

Block or report user

Report or block davidmarkclements

Hide content and notifications from this user.

Learn more about blocking users

Contact Support about this user’s behavior.

Learn more about reporting abuse

Report abuse
View GitHub Profile
View snippet-1.sh
npm install -g autocannon
View keybase.md

Keybase proof

I hereby claim:

  • I am davidmarkclem on github.
  • I am dmclements (https://keybase.io/dmclements) on keybase.
  • I have a public key whose fingerprint is 0DDD 7282 1FEE 2BF0 3D0E EB33 5A03 8B44 115F 07AC

To claim this, I am signing this object:

View stacks-node-8.2.out
node 23541 122694113: profile-1ms:
libsystem_kernel.dylib`semaphore_signal_trap+0xa
node`v8::sampler::SamplerManager::DoSample(v8::RegisterState const&)+0xda
node`v8::sampler::SignalHandler::HandleProfilerSignal(int, __siginfo*, void*)+0x72
libsystem_platform.dylib`_sigtramp+0x1a
node`0x26
node`v8::internal::MacroAssembler::RememberedSetHelper(v8::internal::Register, v8::internal::Register, v8::internal::Register, v8::internal::SaveFPRegsMode, v8::internal::MacroAssembler::RememberedSetFinalAction)+0x10b
node`v8::internal::RecordWriteStub::GenerateIncremental(v8::internal::MacroAssembler*, v8::internal::RecordWriteStub::Mode)+0x11c
node`v8::internal::RecordWriteStub::Generate(v8::internal::MacroAssembler*)+0xa0
node`v8::internal::PlatformCodeStub::GenerateCode()+0x9e
View stacks-node-v6.out
node 23305 122461290: profile-1ms:
node`v8::String::Length() const
node`node::BufferValue::BufferValue(v8::Isolate*, v8::Local<v8::Value>)+0x79
node`node::Open(v8::FunctionCallbackInfo<v8::Value> const&)+0x199
node`v8::internal::FunctionCallbackArguments::Call(void (*)(v8::FunctionCallbackInfo<v8::Value> const&))+0x164
node`v8::internal::(anonymous namespace)::HandleApiCallHelper(v8::internal::Isolate*, v8::internal::(anonymous namespace)::BuiltinArguments<(v8::internal::BuiltinExtraArguments)3>)+0x6e5
node`v8::internal::Builtin_HandleApiCall(int, v8::internal::Object**, v8::internal::Isolate*)+0x1d1
0x29f3f61060c7
0x29f3f61b08c4
0x29f3f61c1af8
View stacks.out
```
node 13846 108328085: profile-1ms:
libsystem_kernel.dylib`__write_nocancel+0xa
libsystem_c.dylib`__sflush+0x57
libsystem_c.dylib`fflush+0x28
node`v8::internal::Log::MessageBuilder::WriteToLogFile()+0x5b
node`v8::internal::Logger::CodeCreateEvent(v8::internal::CodeEventListener::LogEventsAndTags, v8::internal::AbstractCode*, char const*)+0x84
node`v8::internal::(anonymous namespace)::PostBuildProfileAndTracing(v8::internal::Isolate*, v8::internal::Code*, char const*)+0x55
node`v8::internal::SetupIsolateDelegate::SetupBuiltinsInternal(v8::internal::Isolate*)+0x4408
node`v8::internal::Isolate::Init(v8::internal::Deserializer*)+0x2b1e
View profile_1ms.d
#!/usr/sbin/dtrace -s
#pragma D option quiet
#pragma D option switchrate=1000hz
profile-1ms /pid == $target/ {
/* Sampling every 1ms therefore also recording timestamp at ms resolution */
printf("%s %d %d: %s:", execname, pid, timestamp / 1000000, probename);
ustack(10000);
printf("\n");
View iso.js
var pino = require('./')
var bole = require('bole')('bench')
var fs = require('fs')
var dest = fs.createWriteStream('/dev/null')
var plog = pino(dest)
require('bole').output({
level: 'info',
stream: dest
}).setFastTime(true)
View some.json
{"vomicae": "sit et nisi aliqua Lorem eu dolore et consequat officia", "epicarp": "tempor qui consectetur laborum irure cupidatat sunt magna culpa aliquip", "hierarchised": "reprehenderit irure mollit proident est Lorem fugiat cillum id excepteur", "unripened": "proident laborum velit ipsum exercitation sint ut pariatur incididunt non", "enterrologist": "proident irure duis laboris consequat voluptate mollit commodo aliqua nisi", "barterer": "voluptate duis sit voluptate cupidatat duis sit nostrud do magna", "characterless": "ut qui quis et consectetur est quis duis reprehenderit aliqua", "keelless": "deserunt qui dolore id dolore minim commodo eiusmod non quis", "redissolution": "aliqua proident ullamco cupidatat aliqua fugiat ea consequat ea cillum", "scharwenka": "occaecat amet id cupidatat pariatur qui reprehenderit esse anim commodo", "flask": "ex incididunt nulla enim irure culpa ut culpa do deserunt", "methodically": "proident aute mollit pariatur eu ex veniam tempor qui incididunt", "equivalency": "al
View context-allocated-vars.js
const bench = require('fastbench')
function valuesFn (array) {
var i = 0
return function (abort, cb) {
if(i >= array.length)
cb(true)
else
cb(null, array[i++])
}
@davidmarkclements
davidmarkclements / fast.md
Created Aug 20, 2016 — forked from yoshuawuyts/fast.md
Idea - Single Request SPA
View fast.md
You can’t perform that action at this time.