In RetroArch, fpstate stands for Fast-Forward State. It controls the multiplier applied to the emulation speed when you hold the Fast-Forward button (typically mapped to a shoulder button or a specific key).
There is no single "best" setting because it depends on your hardware power and the core (emulator) you are using. Below is how to find the "best" setting for your setup.
Need to calculate a Sharpe ratio with a non-standard risk-free rate? Need to implement a custom slippage model based on volume? In FPState, you write the function. In VSO, you are limited to the provided metrics. fpstate vso best
If you are running RetroArch via a command line or a script and want to force the best speed manually, you use the fpstate argument.
Syntax:
retroarch -L <core_path> <rom_path> --fpstate <value>
Recommended Values:
When using a!queryEntity() in Appian, the "best" choice depends on whether you need the data to be type-safe (strict) or flexible. In RetroArch, fpstate stands for Fast-Forward State
SO BEST has been a staple in the aftermarket industry for longer. They are known for mil-spec adherence and "no frills" reliability. They don't chase the lowest price; they chase consistency.
Key Characteristics of SO BEST:
VSO is a visual-first, feedback-loop tool. It shines in its ability to let you drag, drop, and adjust parameters while watching the equity curve change in real-time. It lowers the barrier to entry for traders who understand logic but don’t want to write loops or manage memory.
Most retail backtesters fail because they only test current stocks or forex pairs. FPState forces you to handle delisted instruments. If you are building a long-term equity strategy, VSO will show you beautiful returns on Apple and Microsoft; FPState will show you the disaster that happened when you held Enron or Bear Stearns. If you are running RetroArch via a command
In RetroArch, fpstate stands for Fast-Forward State. It controls the multiplier applied to the emulation speed when you hold the Fast-Forward button (typically mapped to a shoulder button or a specific key).
There is no single "best" setting because it depends on your hardware power and the core (emulator) you are using. Below is how to find the "best" setting for your setup.
Need to calculate a Sharpe ratio with a non-standard risk-free rate? Need to implement a custom slippage model based on volume? In FPState, you write the function. In VSO, you are limited to the provided metrics.
If you are running RetroArch via a command line or a script and want to force the best speed manually, you use the fpstate argument.
Syntax:
retroarch -L <core_path> <rom_path> --fpstate <value>
Recommended Values:
When using a!queryEntity() in Appian, the "best" choice depends on whether you need the data to be type-safe (strict) or flexible.
SO BEST has been a staple in the aftermarket industry for longer. They are known for mil-spec adherence and "no frills" reliability. They don't chase the lowest price; they chase consistency.
Key Characteristics of SO BEST:
VSO is a visual-first, feedback-loop tool. It shines in its ability to let you drag, drop, and adjust parameters while watching the equity curve change in real-time. It lowers the barrier to entry for traders who understand logic but don’t want to write loops or manage memory.
Most retail backtesters fail because they only test current stocks or forex pairs. FPState forces you to handle delisted instruments. If you are building a long-term equity strategy, VSO will show you beautiful returns on Apple and Microsoft; FPState will show you the disaster that happened when you held Enron or Bear Stearns.