| Component | Requirement |
|-----------|--------------|
| CPU | Intel Core i9-14900K (real-time kernel patch) |
| RAM | DDR5-8000 (CAS latency ~10ns) |
| Mouse | Custom FPGA-based HID device (not a real mouse) |
| OS | RTOS or Linux with CONFIG_PREEMPT_RT |
| Connection | Direct PCIe HID card (bypass USB) |
At its core, an autoclicker is a program or script that simulates mouse clicks at a defined interval. A standard gaming autoclicker might manage 20 clicks per second (20 Hz). A high-end macro tool might reach 1,000 clicks per second (1 kHz). A nanosecond autoclicker, however, claims to operate at intervals measured in nanoseconds—one billionth of a second.
In theory, a true nanosecond autoclicker would execute over 1,000,000,000 clicks per second.
In TAS communities (like BizHawk or libTAS), frame-perfect inputs are critical. While a standard autoclicker can send one click per frame (60 Hz), a microsecond-accurate tool can interleave clicks within a single frame—useful for menu manipulation or RNG manipulation in very specific legacy games. nanosecond autoclicker
A true nanosecond autoclicker exists only in:
Most interesting takeaway: The speed of light in a copper wire is ~1 foot per nanosecond. So if your mouse cable is 3 feet long, you already have a 3 nanosecond minimum delay before the signal even leaves the mouse. Physics wins.
While software code can indeed execute mathematical operations in nanoseconds, a true "nanosecond autoclicker" is physically impossible to implement in a user interface for several reasons: Most interesting takeaway: The speed of light in
1. Hardware Limitations (Polling Rate) Standard computer mice have a "polling rate"—how often the mouse reports its position and state to the computer.
2. The Event Loop & Refresh Rate Computers process user input in "cycles." Even if your CPU processes code in nanoseconds, your monitor and the software application must "render" that input.
3. The Speed of Light & Electricity Electric signals travel fast, but not instantly. The signal from your mouse travels through the USB controller, the motherboard, the CPU, and finally to the RAM. While this happens incredibly fast, signal propagation and processing latency (measured in microseconds or milliseconds) create a "floor" for how quickly an input can be physically registered and acted upon. Problem: CPU at 100%
The most aggressive implementations hook into the hardware interrupt request (IRQ) table, tricking the OS into thinking it received multiple click signals from a single physical action. This is functionally a driver-level DDoS attack on your own USB controller.
// C pseudo-code – burns CPU cycles for "nanosecond" delay
void nano_click()
for(;;)
send_click();
for(int i=0; i<10; i++)
__asm__("nop"); // ~0.3ns per NOP on 3GHz CPU
Problem: CPU at 100%, OS preempts you every ~1ms anyway.