vbatts/llama.cpp
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Steering

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Henri Vasserman 2023-05-16 03:09:34 +03:00
parent 63d20469b8
commit 021e6d9944
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22
examples/main/main.cpp
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@ -136,6 +136,28 @@ int main(int argc, char ** argv) {
return 0;
}
if (params.steering_add.size() || params.steering_sub.size())
{
auto steering_add_tokens = ::llama_tokenize(ctx, params.steering_add, true);
auto steering_sub_tokens = ::llama_tokenize(ctx, params.steering_sub, true);
if (steering_add_tokens.size() != steering_sub_tokens.size()) {
llama_token space;
llama_tokenize(ctx, " ", &space, 1, 0);
while (steering_add_tokens.size() < steering_sub_tokens.size()) steering_add_tokens.push_back(space);
while (steering_sub_tokens.size() < steering_add_tokens.size()) steering_sub_tokens.push_back(space);
}
llama_set_steering_write(ctx, params.steering_lyr, params.steering_mul/2);
llama_eval(ctx, steering_add_tokens.data(), std::min((int)steering_add_tokens.size(), params.n_ctx), 0, params.n_threads);
llama_set_steering_write(ctx, params.steering_lyr, -params.steering_mul/2);
llama_eval(ctx, steering_sub_tokens.data(), std::min((int)steering_sub_tokens.size(), params.n_ctx), 0, params.n_threads);
llama_set_steering_read(ctx, params.steering_lyr, 1);
}
// Add a space in front of the first character to match OG llama tokenizer behavior
params.prompt.insert(0, 1, ' ');