integrated token probability viewer in debugmode

This commit is contained in:
Concedo 2023-05-26 16:40:26 +08:00
parent 8b8f2f4cf5
commit 3c8f404243

View file

@ -65,6 +65,7 @@ static size_t mem_per_token = 0;
static std::vector<float> logits;
static std::vector<int> smartcontext;
static std::vector<std::string> stop_sequence;
static std::vector<llama_token_data> top_picks;
inline bool IsNanCheck(float f)
{
@ -96,11 +97,26 @@ llama_token sample_token(llama_token_data_array * candidates, std::mt19937 & rng
llama_sample_softmax(nullptr, candidates);
std::vector<float> probs;
probs.reserve(candidates->size);
top_picks.clear();
for (size_t i = 0; i < candidates->size; ++i) {
probs.push_back(candidates->data[i].p);
}
std::discrete_distribution<> dist(probs.begin(), probs.end());
int idx = dist(rng);
if(debugmode)
{
top_picks.push_back(candidates->data[idx]);
for (size_t i = 0; (i < candidates->size && i<4); ++i)
{
if(i!=idx)
{
top_picks.push_back(candidates->data[i]);
}
}
}
llama_token result = candidates->data[idx].id;
return result;
}
@ -216,6 +232,22 @@ int mirostat, float mirostat_tau, float mirostat_eta)
return id;
}
static std::string FileFormatTokenizeID(int id, FileFormat file_format)
{
if (file_format == FileFormat::GGML || file_format == FileFormat::GGHF || file_format == FileFormat::GGJT || file_format == FileFormat::GGJT_2)
{
return std::string(llama_v2_token_to_str(llama_ctx_v2, id));
}
else if (file_format == FileFormat::GGJT_3)
{
return std::string(llama_token_to_str(llama_ctx_v3, id));
}
else
{
return vocab.id_to_token[id];
}
}
ModelLoadResult gpttype_load_model(const load_model_inputs inputs, FileFormat in_file_format)
{
ggml_time_init();
@ -593,7 +625,6 @@ ModelLoadResult gpttype_load_model(const load_model_inputs inputs, FileFormat in
}
generation_outputs gpttype_generate(const generation_inputs inputs, generation_outputs &output)
{
stop_sequence.clear();
@ -628,7 +659,7 @@ generation_outputs gpttype_generate(const generation_inputs inputs, generation_o
}
if (params.top_k < 1)
{
params.top_k = 300; //to disable top_k we actually need to increase this value to a very high number
params.top_k = 200; //to disable top_k we actually need to increase this value to a very high number
}
if (params.seed <= 0)
{
@ -795,46 +826,29 @@ generation_outputs gpttype_generate(const generation_inputs inputs, generation_o
printf("\n");
if(debugmode)
if (debugmode)
{
printf("\n[Debug: Dump Input Tokens, format: %d]\n",file_format);
if (file_format == FileFormat::GGML || file_format == FileFormat::GGHF || file_format == FileFormat::GGJT || file_format == FileFormat::GGJT_2)
{
for (auto id : embd_inp)
{
printf("'%s (%d)', ",llama_v2_token_to_str(llama_ctx_v2, id),id);
}
std::string outstr = "";
printf("\n[Debug: Dump Input Tokens, format: %d]\n", file_format);
printf("\n\n[Debug: Context Size = %d]\n",current_context_tokens.size());
for (auto id : current_context_tokens)
{
printf("'%s (%d)', ",llama_v2_token_to_str(llama_ctx_v2, id),id);
}
}
else if (file_format == FileFormat::GGJT_3)
{
std::string tmp = "";
for (auto id : embd_inp)
{
printf("'%s (%d)', ",llama_token_to_str(llama_ctx_v3, id),id);
tmp += "'" + FileFormatTokenizeID(id, file_format) + " (" + std::to_string(id) + ")', ";
}
printf("\n\n[Debug: Context Size = %d]\n",current_context_tokens.size());
::utreplace(tmp, "\n", "\\n");
outstr += tmp;
outstr += "\n\n[Debug: Context Size = " + std::to_string(current_context_tokens.size()) + "]\n";
tmp = "";
for (auto id : current_context_tokens)
{
printf("'%s (%d)', ",llama_token_to_str(llama_ctx_v3, id),id);
}
}
else
{
for (auto id : embd_inp)
{
printf("'%s (%d)', ",vocab.id_to_token[id].c_str(),id);
}
printf("\n\n[Debug: Context Size = %d]\n",current_context_tokens.size());
for (auto id : current_context_tokens)
{
printf("'%s (%d)', ",vocab.id_to_token[id].c_str(),id);
}
tmp += "'" + FileFormatTokenizeID(id, file_format) + " (" + std::to_string(id) + ")', ";
}
::utreplace(tmp, "\n", "\\n");
outstr += tmp;
printf(outstr.c_str());
printf("\n\n");
}
@ -956,11 +970,12 @@ generation_outputs gpttype_generate(const generation_inputs inputs, generation_o
{
// set the logit of the eos token (2) to zero to avoid sampling it
logits[llama_token_eos()] = 0;
//set logits of opening square bracket to zero.
logits[518] = 0;
logits[29961] = 0;
//set logits of opening square bracket to zero. (disabled as obsolete)
// logits[518] = 0;
// logits[29961] = 0;
}
id = SampleLogits(logits, nctx, n_vocab, last_n_size, repeat_penalty,
top_k, top_p, typical_p, tfs_z, temp, rng,
params.mirostat,params.mirostat_tau,params.mirostat_eta);
@ -970,7 +985,8 @@ generation_outputs gpttype_generate(const generation_inputs inputs, generation_o
{
if (!unbanTokens)
{
// set the logit of the eos token (2) to zero to avoid sampling it
//gpt2 uses negative logits, so we cant zero it
// set the logit of the eos token to minimum to avoid sampling it
if ((file_format == FileFormat::GPT2_1 ||
file_format == FileFormat::GPT2_2 ||
file_format == FileFormat::GPT2_3 ||
@ -982,9 +998,22 @@ generation_outputs gpttype_generate(const generation_inputs inputs, generation_o
file_format == FileFormat::GPTJ_5) &&
logits.size() > 50256)
{
logits[50256] = (logits[50256] < 0 ? logits[50256] : 0);
int topid = std::min_element(logits.begin(),logits.end())-logits.begin();
logits[50256] = (logits[topid] < 0 ? logits[topid] : 0);
}
// set the logit of the eos token (0) to minimum to avoid sampling it
if (file_format == FileFormat::NEOX_1 ||
file_format == FileFormat::NEOX_2 ||
file_format == FileFormat::NEOX_3 ||
file_format == FileFormat::NEOX_4 ||
file_format == FileFormat::NEOX_5 ||
file_format == FileFormat::NEOX_6 ||
file_format == FileFormat::NEOX_7)
{
int topid = std::min_element(logits.begin(),logits.end())-logits.begin();
logits[0] = (logits[topid] < 0 ? logits[topid] : 0);
}
//gpt2 uses negative logits, so we cant zero it
}
id = SampleLogits(logits.data(), nctx, n_vocab, last_n_size, repeat_penalty,
@ -1026,6 +1055,25 @@ generation_outputs gpttype_generate(const generation_inputs inputs, generation_o
concat_output += vocab.id_to_token[id].c_str();
}
}
if(debugmode && top_picks.size()>0)
{
printf(" [");
bool firstloop = true;
for (auto & pick : top_picks)
{
if (!firstloop)
{
printf(" ");
}
firstloop = false;
std::string tokenizedstr = FileFormatTokenizeID(pick.id, file_format);
::utreplace(tokenizedstr, "\n", "\\n");
printf("(%s %.2f%%)", tokenizedstr.c_str(), pick.p*100);
}
printf("]\n");
}
for (const auto &matched : stop_sequence)
{
if (concat_output.find(matched) != std::string::npos)