vbatts/llama.cpp
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llama : remove cfg smooth factor as it is only a reparameterization of the guidance scale (#2280)

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Guillaume "Vermeille" Sanchez 2023-07-21 12:58:36 +02:00 • committed by GitHub
parent 73643f5fb1
commit ab0e26bdfb
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5 changed files with 4 additions and 24 deletions
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7
examples/common.cpp
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@ -260,12 +260,6 @@ bool gpt_params_parse(int argc, char ** argv, gpt_params & params) {
break;
}
params.cfg_scale = std::stof(argv[i]);
} else if (arg == "--cfg-smooth-factor") {
if (++i >= argc) {
invalid_param = true;
break;
}
params.cfg_smooth_factor = std::stof(argv[i]);
} else if (arg == "-b" || arg == "--batch-size") {
if (++i >= argc) {
invalid_param = true;
@ -509,7 +503,6 @@ void gpt_print_usage(int /*argc*/, char ** argv, const gpt_params & params) {
fprintf(stderr, " --cfg-negative-prompt PROMPT \n");
fprintf(stderr, " negative prompt to use for guidance. (default: empty)\n");
fprintf(stderr, " --cfg-scale N strength of guidance (default: %f, 1.0 = disable)\n", params.cfg_scale);
fprintf(stderr, " --cfg-smooth-factor N smooth factor between old and new logits (default: %f, 1.0 = no smoothing)\n", params.cfg_smooth_factor);
fprintf(stderr, " -c N, --ctx-size N size of the prompt context (default: %d)\n", params.n_ctx);
fprintf(stderr, " --rope-freq-base N RoPE base frequency (default: %.1f)\n", params.rope_freq_base);
fprintf(stderr, " --rope-freq-scale N RoPE frequency scaling factor (default: %g)\n", params.rope_freq_scale);