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llama3 custom regex split (#6965)
* merged the changes from deepseeker models to main branch
* Moved regex patterns to unicode.cpp and updated unicode.h
* Moved header files
* Resolved issues
* added and refactored unicode_regex_split and related functions
* Updated/merged the deepseek coder pr
* Refactored code
* Adding unicode regex mappings
* Adding unicode regex function
* Added needed functionality, testing remains
* Fixed issues
* Fixed issue with gpt2 regex custom preprocessor
* unicode : fix? unicode_wstring_to_utf8
* lint : fix whitespaces
* tests : add tokenizer tests for numbers
* unicode : remove redundant headers
* tests : remove and rename tokenizer test scripts
* tests : add sample usage
* gguf-py : reader prints warnings on duplicate keys
* llama : towards llama3 tokenization support (wip)
* unicode : shot in the dark to fix tests on Windows
* unicode : first try custom implementations
* convert : add "tokenizer.ggml.pre" GGUF KV (wip)
* llama : use new pre-tokenizer type
* convert : fix pre-tokenizer type writing
* lint : fix
* make : add test-tokenizer-0-llama-v3
* wip
* models : add llama v3 vocab file
* llama : adapt punctuation regex + add llama 3 regex
* minor
* unicode : set bomb
* unicode : set bomb
* unicode : always use std::wregex
* unicode : support \p{N}, \p{L} and \p{P} natively
* unicode : try fix windows
* unicode : category support via std::regex
* unicode : clean-up
* unicode : simplify
* llama3 custom regex split
* convert : add convert-hf-to-gguf-update.py
ggml-ci
* lint : update
* convert : add falcon
ggml-ci
* unicode : normalize signatures
* lint : fix
* lint : fix
* convert : remove unused functions
* convert : add comments
* convert : exercise contractions
ggml-ci
* Using char32_t for codepoints
* lint : fix
* already exists unicode_tolower()
* Typing
* Restore BOM
* cmake : refactor test targets
* tests : refactor vocab tests
ggml-ci
* tests : add more vocabs and tests
ggml-ci
* unicode : cleanup
* scripts : ignore new update script in check-requirements.sh
* Fix merge
* models : add phi-3, mpt, gpt-2, starcoder
* tests : disable obsolete
ggml-ci
* tests : use faster bpe test
ggml-ci
* llama : more prominent warning for old BPE models
* tests : disable test-tokenizer-1-bpe due to slowness
ggml-ci
* Move unused variable value
* GPT2 custom regex split
* Add alternative regex for custom aplit llama3
Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
* Style
* Add bruteforce random tests for token encoding
* wip: fixing unicode codepoint ranges
* Fix merge
* Unicode tables: separator, lowercase, uppercase and whitespace
* llama3 custom regex split: fix \s
* Restore BOM
* Style
* wip: generate NDF table
* Ignore special tokens for testing
* Clean gen-unicode-data.py
* Refactor random tokenizer test
* lint : fix
* tests : add fail test for llama-bpe
---------
Co-authored-by: Jaggzh <jaggz.h@gmail.com>
Co-authored-by: Kazim Abrar Mahi <kazimabrarmahi135@gmail.com>
Co-authored-by: Georgi Gerganov <ggerganov@gmail.com>
Co-authored-by: jaime-m-p <>
This commit is contained in:
jaime-m-p
374
unicode.cpp
374
unicode.cpp
@@ -9,6 +9,7 @@
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#include <stdexcept>
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#include <string>
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#include <unordered_map>
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#include <unordered_set>
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#include <utility>
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#include <vector>
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#include <locale>
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@@ -111,27 +112,27 @@ static uint32_t unicode_cpt_from_utf8(const std::string & utf8, size_t & offset)
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static std::unordered_map<uint32_t, int> unicode_cpt_type_map() {
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std::unordered_map<uint32_t, int> cpt_types;
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for (auto p : unicode_ranges_number) {
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for (auto i = p.first; i <= p.second; ++ i) {
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for (auto i = p.first; i <= p.second; ++i) {
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cpt_types[i] = CODEPOINT_TYPE_NUMBER;
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}
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}
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for (auto p : unicode_ranges_letter) {
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for (auto i = p.first; i <= p.second; ++ i) {
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for (auto i = p.first; i <= p.second; ++i) {
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cpt_types[i] = CODEPOINT_TYPE_LETTER;
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}
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}
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for (auto p : unicode_ranges_whitespace) {
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for (auto i = p.first; i <= p.second; ++ i) {
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cpt_types[i] = CODEPOINT_TYPE_WHITESPACE;
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for (auto p : unicode_ranges_separator) {
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for (auto i = p.first; i <= p.second; ++i) {
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cpt_types[i] = CODEPOINT_TYPE_SEPARATOR;
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}
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}
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for (auto p : unicode_ranges_accent_mark) {
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for (auto i = p.first; i <= p.second; ++ i) {
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for (auto i = p.first; i <= p.second; ++i) {
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cpt_types[i] = CODEPOINT_TYPE_ACCENT_MARK;
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}
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}
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for (auto p : unicode_ranges_punctuation) {
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for (auto i = p.first; i <= p.second; ++ i) {
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for (auto i = p.first; i <= p.second; ++i) {
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cpt_types[i] = CODEPOINT_TYPE_PUNCTUATION;
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}
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}
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@@ -141,7 +142,7 @@ static std::unordered_map<uint32_t, int> unicode_cpt_type_map() {
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}
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}
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for (auto p : unicode_ranges_control) {
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for (auto i = p.first; i <= p.second; ++ i) {
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for (auto i = p.first; i <= p.second; ++i) {
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cpt_types[i] = CODEPOINT_TYPE_CONTROL;
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}
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}
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@@ -224,138 +225,256 @@ static std::vector<size_t> unicode_regex_split_custom_gpt2(const std::string & t
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std::vector<size_t> bpe_offsets; // store the offset of each word
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bpe_offsets.reserve(offsets.size()); // Reserve memory for the approximate size
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const auto cpts = unicode_cpts_from_utf8(text);
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size_t start = 0;
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for (auto offset : offsets) {
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const size_t offset_ini = start;
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const size_t offset_end = start + offset;
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assert(offset_end <= cpts.size());
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start = offset_end;
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auto _get_cpt = [&] (const size_t pos) -> char32_t {
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return (offset_ini <= pos && pos < offset_end) ? cpts[pos] : 0;
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};
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auto _get_cpt_type = [&] (const size_t pos) -> int {
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return (offset_ini <= pos && pos < offset_end) ? unicode_cpt_type(cpts[pos]) : CODEPOINT_TYPE_UNIDENTIFIED;
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};
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size_t _prev_end = offset_ini;
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auto _add_token = [&] (const size_t end) -> size_t {
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assert(_prev_end <= end && end <= offset_end);
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size_t len = end - _prev_end;
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if (len > 0) {
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bpe_offsets.push_back(len);
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}
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_prev_end = end;
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//if (len > 0) {
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// std::string s = "";
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// for(size_t p = end-len; p < end; p++)
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// s += unicode_cpt_to_utf8(cpts[p]);
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// printf(">>> '%s'\n", s.c_str());
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//}
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return len;
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};
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for (size_t pos = offset_ini; pos < offset_end; /*pos++*/ ) {
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const char32_t cpt = _get_cpt(pos);
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const int cpt_type = _get_cpt_type(pos);
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// regex: 's|'t|'re|'ve|'m|'ll|'d
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if (cpt == '\'' && pos+1 < offset_end) {
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char32_t cpt_next = _get_cpt(pos+1);
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if (cpt_next == 's' || cpt_next == 't' || cpt_next == 'm' || cpt_next == 'd') {
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pos += _add_token(pos+2);
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continue;
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}
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if (pos+2 < offset_end) {
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char32_t cpt_next_next = _get_cpt(pos+2);
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if ((cpt_next == 'r' && cpt_next_next == 'e') ||
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(cpt_next == 'v' && cpt_next_next == 'e') ||
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(cpt_next == 'l' && cpt_next_next == 'l')) {
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pos += _add_token(pos+3);
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continue;
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}
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}
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}
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char32_t cpt2 = (cpt == ' ' ? _get_cpt(pos+1) : cpt);
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int cpt2_type = (cpt == ' ' ? _get_cpt_type(pos+1) : cpt_type);
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// regex: <space>?\p{L}+
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if (cpt2_type == CODEPOINT_TYPE_LETTER) {
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pos += (cpt == ' ');
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while (cpt2_type == CODEPOINT_TYPE_LETTER) {
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cpt2_type = _get_cpt_type(++pos);
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}
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_add_token(pos);
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continue;
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}
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// regex: <space>?\p{N}+
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if (cpt2_type == CODEPOINT_TYPE_NUMBER) {
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pos += (cpt == ' ');
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while (cpt2_type == CODEPOINT_TYPE_NUMBER) {
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cpt2_type = _get_cpt_type(++pos);
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}
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_add_token(pos);
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continue;
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}
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// regex: <space>?[^\s\p{L}\p{N}]+
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if (!unicode_cpt_is_whitespace(cpt2) && cpt2_type != CODEPOINT_TYPE_LETTER && cpt2_type != CODEPOINT_TYPE_NUMBER && cpt2_type != CODEPOINT_TYPE_UNIDENTIFIED) {
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pos += (cpt == ' ');
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while (!unicode_cpt_is_whitespace(cpt2) && cpt2_type != CODEPOINT_TYPE_LETTER && cpt2_type != CODEPOINT_TYPE_NUMBER && cpt2_type != CODEPOINT_TYPE_UNIDENTIFIED) {
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cpt2_type = _get_cpt_type(++pos);
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cpt2 = _get_cpt(pos);
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}
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_add_token(pos);
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continue;
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}
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size_t num_whitespaces = 0;
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while (unicode_cpt_is_whitespace(_get_cpt(pos+num_whitespaces))) {
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num_whitespaces++;
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}
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// regex: \s+(?!\S)
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if (num_whitespaces > 1 && _get_cpt(pos+num_whitespaces) != 0) {
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pos += num_whitespaces - 1;
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_add_token(pos);
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continue;
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}
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// regex: \s+
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if (num_whitespaces > 0) {
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pos += num_whitespaces;
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_add_token(pos);
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continue;
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}
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// no matches
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_add_token(++pos);
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}
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}
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return bpe_offsets;
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}
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// LLAMA3 system regex: "(?i:'s|'t|'re|'ve|'m|'ll|'d)|[^\r\n\p{L}\p{N}]?\p{L}+|\p{N}{1,3}| ?[^\s\p{L}\p{N}]+[\r\n]*|\s*[\r\n]+|\s+(?!\S)|\s+"
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static std::vector<size_t> unicode_regex_split_custom_llama3(const std::string & text, const std::vector<size_t> & offsets) {
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std::vector<size_t> bpe_offsets; // store the offset of each word
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bpe_offsets.reserve(offsets.size()); // Reserve memory for the approximate size
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const auto cpts = unicode_cpts_from_utf8(text);
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size_t start = 0;
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for (auto offset : offsets) {
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std::string token;
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const size_t offset_ini = start;
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const size_t offset_end = start + offset;
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assert(offset_end <= cpts.size());
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start = offset_end;
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bool collecting_numeric = false;
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bool collecting_letter = false;
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bool collecting_special = false;
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bool collecting_whitespace_lookahead = false;
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bool collecting = false;
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auto _get_cpt = [&] (const size_t pos) -> char32_t {
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return (offset_ini <= pos && pos < offset_end) ? cpts[pos] : 0;
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};
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std::vector<std::string> text_utf;
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text_utf.reserve(offset);
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auto _get_cpt_type = [&] (const size_t pos) -> int {
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return (offset_ini <= pos && pos < offset_end) ? unicode_cpt_type(cpts[pos]) : CODEPOINT_TYPE_UNIDENTIFIED;
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};
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for (size_t i = start; i < start + offset; ++i) {
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text_utf.emplace_back(unicode_cpt_to_utf8(cpts[i]));
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}
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size_t _prev_end = offset_ini;
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auto _add_token = [&] (const size_t end) -> size_t {
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assert(_prev_end <= end && end <= offset_end);
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size_t len = end - _prev_end;
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if (len > 0) {
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bpe_offsets.push_back(len);
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}
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_prev_end = end;
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//if (len > 0) {
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// std::string s = "";
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// for(size_t p = end-len; p < end; p++)
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// s += unicode_cpt_to_utf8(cpts[p]);
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// printf(">>> '%s'\n", s.c_str());
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//}
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return len;
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};
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for (int i = 0; i < (int)text_utf.size(); i++) {
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const std::string & utf_char = text_utf[i];
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bool split_condition = false;
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int bytes_remain = text_utf.size() - i;
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for (size_t pos = offset_ini; pos < offset_end; /*pos++*/ ) {
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const char32_t cpt = _get_cpt(pos);
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const int cpt_type = _get_cpt_type(pos);
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// forward backward lookups
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const std::string & utf_char_next = (i + 1 < (int)text_utf.size()) ? text_utf[i + 1] : "";
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const std::string & utf_char_next_next = (i + 2 < (int)text_utf.size()) ? text_utf[i + 2] : "";
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// handling contractions
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if (!split_condition && bytes_remain >= 2) {
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// 's|'t|'m|'d
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if (utf_char == "\'" && (utf_char_next == "s" || utf_char_next == "t" || utf_char_next == "m" || utf_char_next == "d")) {
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split_condition = true;
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}
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if (split_condition) {
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if (token.size()) {
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bpe_offsets.emplace_back(unicode_cpts_from_utf8(token).size());
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}
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token = utf_char + utf_char_next;
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bpe_offsets.emplace_back(unicode_cpts_from_utf8(token).size());
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token = "";
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i++;
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// regex: (?i:'s|'t|'re|'ve|'m|'ll|'d) // case insensitive
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if (cpt == '\'' && pos+1 < offset_end) {
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char32_t cpt_next = unicode_tolower(_get_cpt(pos+1));
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if (cpt_next == 's' || cpt_next == 't' || cpt_next == 'm' || cpt_next == 'd') {
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pos += _add_token(pos+2);
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continue;
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}
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}
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if (!split_condition && bytes_remain >= 3) {
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// 're|'ve|'ll
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if (utf_char == "\'" && (
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(utf_char_next == "r" && utf_char_next_next == "e") ||
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(utf_char_next == "v" && utf_char_next_next == "e") ||
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(utf_char_next == "l" && utf_char_next_next == "l"))
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) {
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split_condition = true;
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}
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if (split_condition) {
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// current token + next token can be defined
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if (token.size()) {
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bpe_offsets.emplace_back(unicode_cpts_from_utf8(token).size());
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if (pos+2 < offset_end) {
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char32_t cpt_next_next = unicode_tolower(_get_cpt(pos+2));
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if ((cpt_next == 'r' && cpt_next_next == 'e') ||
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(cpt_next == 'v' && cpt_next_next == 'e') ||
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(cpt_next == 'l' && cpt_next_next == 'l')) {
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pos += _add_token(pos+3);
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continue;
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}
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token = utf_char;
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token += utf_char_next;
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token += utf_char_next_next;
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}
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}
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bpe_offsets.emplace_back(unicode_cpts_from_utf8(token).size());
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token = "";
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i += 2;
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// regex: [^\r\n\p{L}\p{N}]?\p{L}+ //####FIXME: the first \p{L} is correct?
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if (cpt != '\r' && cpt != '\n' && /*cpt_type != CODEPOINT_TYPE_LETTER &&*/ cpt_type != CODEPOINT_TYPE_NUMBER) {
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if (cpt_type == CODEPOINT_TYPE_LETTER || _get_cpt_type(pos+1) == CODEPOINT_TYPE_LETTER) { // one or more letters
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pos++;
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while (_get_cpt_type(pos) == CODEPOINT_TYPE_LETTER) {
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pos++;
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}
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_add_token(pos);
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continue;
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}
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}
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if (!split_condition && !collecting) {
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if (unicode_cpt_type(utf_char) == CODEPOINT_TYPE_LETTER || (token.empty() && utf_char == " " && unicode_cpt_type(utf_char_next) == CODEPOINT_TYPE_LETTER)) {
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collecting_letter = true;
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collecting = true;
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}
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else if (unicode_cpt_type(utf_char) == CODEPOINT_TYPE_NUMBER || (token.empty() && utf_char == " " && unicode_cpt_type(utf_char_next) == CODEPOINT_TYPE_NUMBER)) {
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collecting_numeric = true;
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collecting = true;
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}
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else if (
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((unicode_cpt_type(utf_char) != CODEPOINT_TYPE_LETTER && unicode_cpt_type(utf_char) != CODEPOINT_TYPE_NUMBER) && (unicode_cpt_type(utf_char) != CODEPOINT_TYPE_WHITESPACE)) ||
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(token.empty() && utf_char == " " && unicode_cpt_type(utf_char_next) != CODEPOINT_TYPE_LETTER && unicode_cpt_type(utf_char_next) != CODEPOINT_TYPE_NUMBER && unicode_cpt_type(utf_char_next) != CODEPOINT_TYPE_WHITESPACE)
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) {
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collecting_special = true;
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collecting = true;
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}
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else if (unicode_cpt_type(utf_char) == CODEPOINT_TYPE_WHITESPACE && unicode_cpt_type(utf_char_next) == CODEPOINT_TYPE_WHITESPACE) {
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collecting_whitespace_lookahead = true;
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collecting = true;
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}
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else if (unicode_cpt_type(utf_char) == CODEPOINT_TYPE_WHITESPACE) {
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split_condition = true;
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}
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}
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else if (!split_condition && collecting) {
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if (collecting_letter && unicode_cpt_type(utf_char) != CODEPOINT_TYPE_LETTER) {
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split_condition = true;
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}
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else if (collecting_numeric && unicode_cpt_type(utf_char) != CODEPOINT_TYPE_NUMBER) {
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split_condition = true;
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}
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else if (collecting_special && (unicode_cpt_type(utf_char) == CODEPOINT_TYPE_LETTER || unicode_cpt_type(utf_char) == CODEPOINT_TYPE_NUMBER || unicode_cpt_type(utf_char) == CODEPOINT_TYPE_WHITESPACE)) {
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split_condition = true;
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}
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else if (collecting_whitespace_lookahead && (unicode_cpt_type(utf_char_next) == CODEPOINT_TYPE_LETTER || unicode_cpt_type(utf_char_next) == CODEPOINT_TYPE_NUMBER)) {
|
||||
split_condition = true;
|
||||
// regex: \p{N}{1,3}
|
||||
if (cpt_type == CODEPOINT_TYPE_NUMBER) {
|
||||
size_t ini = pos;
|
||||
while (_get_cpt_type(pos) == CODEPOINT_TYPE_NUMBER) {
|
||||
if (++pos - ini >= 3 ) {
|
||||
_add_token(pos);
|
||||
ini = pos;
|
||||
}
|
||||
}
|
||||
_add_token(pos);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (utf_char_next == "") {
|
||||
split_condition = true; // final
|
||||
token += utf_char;
|
||||
// regex: <space>?[^\s\p{L}\p{N}]+[\r\n]*
|
||||
char32_t cpt2 = (cpt == ' ' ? _get_cpt(pos+1) : cpt);
|
||||
int cpt2_type = (cpt == ' ' ? _get_cpt_type(pos+1) : cpt_type);
|
||||
if (!unicode_cpt_is_whitespace(cpt2) && cpt2_type != CODEPOINT_TYPE_LETTER && cpt2_type != CODEPOINT_TYPE_NUMBER && cpt2_type != CODEPOINT_TYPE_UNIDENTIFIED) {
|
||||
pos += (cpt == ' ');
|
||||
while (!unicode_cpt_is_whitespace(cpt2) && cpt2_type != CODEPOINT_TYPE_LETTER && cpt2_type != CODEPOINT_TYPE_NUMBER && cpt2_type != CODEPOINT_TYPE_UNIDENTIFIED) {
|
||||
cpt2_type = _get_cpt_type(++pos);
|
||||
cpt2 = _get_cpt(pos);
|
||||
}
|
||||
while (cpt2 == '\r' || cpt2 == '\n') {
|
||||
cpt2 = _get_cpt(++pos);
|
||||
}
|
||||
_add_token(pos);
|
||||
continue;
|
||||
}
|
||||
|
||||
if (split_condition) {
|
||||
if (token.size()) {
|
||||
bpe_offsets.emplace_back(unicode_cpts_from_utf8(token).size());
|
||||
size_t num_whitespaces = 0;
|
||||
size_t last_end_r_or_n = 0;
|
||||
while (unicode_cpt_is_whitespace(_get_cpt(pos+num_whitespaces))) {
|
||||
char32_t cpt2 = _get_cpt(pos+num_whitespaces);
|
||||
if (cpt2 == '\r' || cpt2 == '\n') {
|
||||
last_end_r_or_n = pos + num_whitespaces + 1;
|
||||
}
|
||||
token = utf_char;
|
||||
collecting = false;
|
||||
collecting_letter = false;
|
||||
collecting_numeric = false;
|
||||
collecting_special = false;
|
||||
collecting_whitespace_lookahead = false;
|
||||
num_whitespaces++;
|
||||
}
|
||||
else {
|
||||
token += utf_char;
|
||||
|
||||
// regex: \s*[\r\n]+
|
||||
if (last_end_r_or_n > 0) {
|
||||
pos = last_end_r_or_n;
|
||||
_add_token(pos);
|
||||
continue;
|
||||
}
|
||||
|
||||
// regex: \s+(?!\S)
|
||||
if (num_whitespaces > 1 && _get_cpt(pos+num_whitespaces) != 0) {
|
||||
pos += num_whitespaces - 1;
|
||||
_add_token(pos);
|
||||
continue;
|
||||
}
|
||||
|
||||
// regex: \s+
|
||||
if (num_whitespaces > 0) {
|
||||
pos += num_whitespaces;
|
||||
_add_token(pos);
|
||||
continue;
|
||||
}
|
||||
|
||||
// no matches
|
||||
_add_token(++pos);
|
||||
}
|
||||
|
||||
start += offset;
|
||||
}
|
||||
|
||||
return bpe_offsets;
|
||||
@@ -424,14 +543,14 @@ static std::vector<size_t> unicode_regex_split_stl(const std::string & text, con
|
||||
static std::vector<size_t> unicode_regex_split_custom(const std::string & text, const std::string & regex_expr, const std::vector<size_t> & offsets) {
|
||||
std::vector<size_t> bpe_offsets;
|
||||
|
||||
(void)(text);
|
||||
(void)(regex_expr);
|
||||
(void)(offsets);
|
||||
// TODO: this implementation is actually wrong, uncomment and run:
|
||||
// make -j && ./bin/test-tokenizer-0 ../models/ggml-vocab-gpt-2.gguf
|
||||
//if (regex_expr == "'s|'t|'re|'ve|'m|'ll|'d| ?\\p{L}+| ?\\p{N}+| ?[^\\s\\p{L}\\p{N}]+|\\s+(?!\\S)") {
|
||||
// bpe_offsets = unicode_regex_split_custom_gpt2(text, offsets);
|
||||
//}
|
||||
if (regex_expr == "'s|'t|'re|'ve|'m|'ll|'d| ?\\p{L}+| ?\\p{N}+| ?[^\\s\\p{L}\\p{N}]+|\\s+(?!\\S)") {
|
||||
bpe_offsets = unicode_regex_split_custom_gpt2(text, offsets);
|
||||
} else if (
|
||||
regex_expr == "(?i:'s|'t|'re|'ve|'m|'ll|'d)|[^\\r\\n\\p{L}\\p{N}]?\\p{L}+|\\p{N}{1,3}| ?[^\\s\\p{L}\\p{N}]+[\\r\\n]*|\\s*[\\r\\n]+|\\s+(?!\\S)|\\s+" ||
|
||||
regex_expr == "(?:'[sS]|'[tT]|'[rR][eE]|'[vV][eE]|'[mM]|'[lL][lL]|'[dD])|[^\\r\\n\\p{L}\\p{N}]?\\p{L}+|\\p{N}{1,3}| ?[^\\s\\p{L}\\p{N}]+[\\r\\n]*|\\s*[\\r\\n]+|\\s+(?!\\S)|\\s+") {
|
||||
|
||||
bpe_offsets = unicode_regex_split_custom_llama3(text, offsets);
|
||||
}
|
||||
|
||||
return bpe_offsets;
|
||||
}
|
||||
@@ -506,6 +625,19 @@ int unicode_cpt_type(const std::string & utf8) {
|
||||
return unicode_cpt_type(unicode_cpt_from_utf8(utf8, offset));
|
||||
}
|
||||
|
||||
bool unicode_cpt_is_whitespace(uint32_t cp) {
|
||||
static const std::unordered_set<uint32_t> is_whitespace = [] {
|
||||
std::unordered_set<uint32_t> is_whitespace;
|
||||
for (auto p : unicode_ranges_whitespace) {
|
||||
for (auto i = p.first; i <= p.second; ++i) {
|
||||
is_whitespace.insert(i);
|
||||
}
|
||||
}
|
||||
return is_whitespace;
|
||||
}();
|
||||
return (bool)is_whitespace.count(cp);
|
||||
}
|
||||
|
||||
std::string unicode_byte_to_utf8(uint8_t byte) {
|
||||
static std::unordered_map<uint8_t, std::string> map = unicode_byte_to_utf8_map();
|
||||
return map.at(byte);
|
||||
|
||||
Reference in New Issue
Block a user