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Dan Glastonbury djg

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djg / task_system.cpp
Created March 3, 2020 03:16
Sean Parent Horribly Performing Task System - Queue per Thread
/* Horrible task system - queue per thread */
#include <atomic>
#include <condition_variable>
#include <deque>
#include <functional>
#include <mutex>
#include <thread>
#include <vector>
using namespace std;
@djg
djg / task_system.cpp
Created March 3, 2020 03:09
Sean Parent Horribly Performing Task System in C++14
/* Horrible task system */
#include <condition_variable>
#include <deque>
#include <functional>
#include <mutex>
#include <thread>
#include <vector>
using namespace std;
@djg
djg / context.rs
Created March 2, 2018 00:26
Pulse Audio Callbacks
type ServerInfoCB = FnMut(&ContextRef, Option<&ServerInfoRef>) + Send + Sync + 'static;
pub fn get_server_info<CB>(&self, cb: CB) -> Result<Operation>
where
CB: FnMut(&ContextRef, Option<&SourceInfo>) + Send + Sync + 'static,
{
let userdata = Box::into_raw(Box::new(cb)) as *mut c_void;
let cb: ffi::pa_server_info_cb_t = Some(c_get_server_info_cb);
op_or_err!(
self,
@djg
djg / gist:79f583cee896be982b685815b01de2a2
Created February 12, 2020 00:00
Fenix Browsertime
Clone https://github.com/acreskeyMoz/browsertime_on_android_scripts
Apply https://paste.mozilla.org/7D9vJ6qV to `mozilla-central`
Download APKs:
Fennec: archive.mozilla.org/pub/mobile/releases/68.3.0/android-aarch64/multi/fennec-68.3.0.multi.android-aarch64.apk
Fenix: https://firefox-ci-tc.services.mozilla.com/api/index/v1/task/project.mobile.fenix.v2.fennec-production.2020.02.08.latest/artifacts/public/build/arm64-v8a/geckoBeta/target.apk
Geckodriver: https://github.com/mozilla/geckodriver/releases/download/v0.26.0/geckodriver-v0.26.0-macos.tar.gz
Customize run_android.py
Apply sites.txt.weekly to ~/Mozilla/browsertime_on_android_scripts/sites.txt
./mach browsertime --setup
./mach browsertime --script ../browsertime_on_android_scripts/run_android.py
@djg
djg / LLC Misses
Created October 29, 2019 23:44
0.17 │ xor ebp,ebp ▒
1.77 │ nop ▒
6.54 │150:┌─→cmp r12,rbp ▒
│ │↓ je 170 ▒
│ │_ZN4core4iter8adapters13copy_try_fold28_$u7b$$u7b$closure$u7d$$u7d$17h5801f96c3ce42993E(): ▒
1.49 │ │ mov edi,DWORD PTR [r9+rbp*1]
@djg
djg / alu.rs
Created August 16, 2019 10:20
Proposed FHDL in Rust
struct Alu {
pub sel: Signal,
pub a: Signal,
pub b: Signal,
pub o: Signal,
pub co: Signal,
}
impl Alu {
#[fhdl]
@djg
djg / alu.rs
Created August 16, 2019 10:20
Proposed FHDL in Rust
struct Alu {
pub sel: Signal,
pub a: Signal,
pub b: Signal,
pub o: Signal,
pub co: Signal,
}
impl Alu {
#[fhdl]
@djg
djg / nsRefreshDriver.cpp
Created August 12, 2019 02:11
void nsRefreshDriver::Tick(VsyncId aId, TimeStamp aNowTime) {
MOZ_ASSERT(!nsContentUtils::GetCurrentJSContext(),
"Shouldn't have a JSContext on the stack");
if (nsNPAPIPluginInstance::InPluginCallUnsafeForReentry()) {
NS_ERROR("Refresh driver should not run during plugin call!");
// Try to survive this by just ignoring the refresh tick.
return;
}
@djg
djg / conic_gradient.glsl
Created June 14, 2019 04:45
// Paste into shadertoy.
void mainImage( out vec4 fragColor, in vec2 fragCoord )
{
vec2 c = (2.0*iMouse.xy - iResolution.xy)/iResolution.y;
vec2 p = (-iResolution.xy + 2.0*fragCoord)/iResolution.y;
vec2 d = c - p;
// angle of each pixel to the center offset by from
float from = radians(mod(10.0*iTime,360.0));
float a = (atan(d.x, d.y) + radians(180.0) - from)/radians(360.0);
@djg
djg / chunky-vec.rs
Created May 27, 2019 05:15
// snippet of code @ 2019-01-03 09:34:24
// === Rust Playground ===
// This snippet is in: ~/.emacs.d/rust-playground/at-2019-01-03-093424/
// Execute the snippet: C-c C-c
// Delete the snippet completely: C-c k
// Toggle between main.rs and Cargo.toml: C-c b
use std::{