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server: (web UI) Add samplers sequence customization (#10255)

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* Samplers sequence: simplified and input field.

* Removed unused function

* Modify and use `settings-modal-short-input`

* rename "name" --> "label"

---------

Co-authored-by: Xuan Son Nguyen <son@huggingface.co>
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MaggotHATE 2024-11-16 18:26:54 +05:00 committed by GitHub
parent f245cc28d4
commit bcdb7a2386
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2 changed files with 30 additions and 9 deletions
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19
examples/server/public/index.html
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@ -212,6 +212,9 @@
<details class="collapse collapse-arrow bg-base-200 mb-2 overflow-visible">
<summary class="collapse-title font-bold">Other sampler settings</summary>
<div class="collapse-content">
<!-- Samplers queue -->
<settings-modal-short-input label="Samplers queue" :config-key="'samplers'" :config-default="configDefault" :config-info="configInfo" v-model="config.samplers"></settings-modal-short-input>
<!-- Samplers -->
<template v-for="configKey in ['dynatemp_range', 'dynatemp_exponent', 'typical_p', 'xtc_probability', 'xtc_threshold']">
<settings-modal-short-input :config-key="configKey" :config-default="configDefault" :config-info="configInfo" v-model="config[configKey]" />
</template>
@ -231,6 +234,7 @@
<summary class="collapse-title font-bold">Advanced config</summary>
<div class="collapse-content">
<label class="form-control mb-2">
<!-- Custom parameters input -->
<div class="label inline">Custom JSON config (For more info, refer to <a class="underline" href="https://github.com/ggerganov/llama.cpp/blob/master/examples/server/README.md" target="_blank" rel="noopener noreferrer">server documentation</a>)</div>
<textarea class="textarea textarea-bordered h-24" placeholder="Example: { &quot;mirostat&quot;: 1, &quot;min_p&quot;: 0.1 }" v-model="config.custom"></textarea>
</label>
@ -253,7 +257,7 @@
<label class="input input-bordered join-item grow flex items-center gap-2 mb-2">
<!-- Show help message on hovering on the input label -->
<div class="dropdown dropdown-hover">
<div tabindex="0" role="button" class="font-bold">{{ configKey }}</div>
<div tabindex="0" role="button" class="font-bold">{{ label || configKey }}</div>
<div class="dropdown-content menu bg-base-100 rounded-box z-10 w-64 p-2 shadow mt-4">
{{ configInfo[configKey] || '(no help message available)' }}
</div>
@ -282,6 +286,7 @@
apiKey: '',
systemMessage: 'You are a helpful assistant.',
// make sure these default values are in sync with `common.h`
samplers: 'dkypmxt',
temperature: 0.8,
dynatemp_range: 0.0,
dynatemp_exponent: 1.0,
@ -305,6 +310,7 @@
const CONFIG_INFO = {
apiKey: 'Set the API Key if you are using --api-key option for the server.',
systemMessage: 'The starting message that defines how model should behave.',
samplers: 'The order at which samplers are applied, in simplified way. Default is "dkypmxt": dry->top_k->typ_p->top_p->min_p->xtc->temperature',
temperature: 'Controls the randomness of the generated text by affecting the probability distribution of the output tokens. Higher = more random, lower = more focused.',
dynatemp_range: 'Addon for the temperature sampler. The added value to the range of dynamic temperature, which adjusts probabilities by entropy of tokens.',
dynatemp_exponent: 'Addon for the temperature sampler. Smoothes out the probability redistribution based on the most probable token.',
@ -352,10 +358,16 @@
{ props: ["source"] }
);
// inout field to be used by settings modal
// input field to be used by settings modal
const SettingsModalShortInput = defineComponent({
template: document.getElementById('settings-modal-short-input').innerHTML,
props: ['configKey', 'configDefault', 'configInfo', 'modelValue'],
props: {
label: { type: String, required: false },
configKey: String,
configDefault: Object,
configInfo: Object,
modelValue: [Object, String, Number],
},
});
// coversations is stored in localStorage
@ -546,6 +558,7 @@
],
stream: true,
cache_prompt: true,
samplers: this.config.samplers,
temperature: this.config.temperature,
dynatemp_range: this.config.dynatemp_range,
dynatemp_exponent: this.config.dynatemp_exponent,

10
examples/server/server.cpp
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@ -927,7 +927,8 @@ struct server_context {
{
const auto & samplers = data.find("samplers");
if (samplers != data.end() && samplers->is_array()) {
if (samplers != data.end()) {
if (samplers->is_array()) {
std::vector<std::string> sampler_names;
for (const auto & name : *samplers) {
if (name.is_string()) {
@ -935,6 +936,13 @@ struct server_context {
}
}
slot.sparams.samplers = common_sampler_types_from_names(sampler_names, false);
} else if (samplers->is_string()){
std::string sampler_string;
for (const auto & name : *samplers) {
sampler_string += name;
}
slot.sparams.samplers = common_sampler_types_from_chars(sampler_string);
}
} else {
slot.sparams.samplers = default_sparams.samplers;
}