to write a fused softmax kernel in Triton: load row, compute max, subtract, exp, sum, divide

Softmax function converts real numbers to a probability distribution

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to write a fused softmax kernel in Triton: load row, compute max, subtract, exp, sum, divide

Softmax function converts real numbers to a probability distribution

The softmax function is crucial in neural networks as it normalizes the output to a probability distribution. This ensures that the output values are between 0 and 1 and sum up to 1, making it interpretable as probabilities.

Example

Given a vector [2, 1, 0.1], softmax will transform it to [0.659001137, 0.242432970, 0.098565893].

Remember this

Understanding softmax is essential for implementing neural networks that output probabilities for classification tasks.

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