mirror of https://github.com/novarobot/llama.cpp
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import os
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import sys
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from tqdm import tqdm
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import requests
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if len(sys.argv) < 3:
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print("Usage: download-pth.py dir-model model-type\n")
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print(" model-type: Available models 7B, 13B, 30B or 65B")
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sys.exit(1)
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modelsDir = sys.argv[1]
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model = sys.argv[2]
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num = {
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"7B": 1,
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"13B": 2,
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"30B": 4,
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"65B": 8,
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}
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if model not in num:
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print(f"Error: model {model} is not valid, provide 7B, 13B, 30B or 65B")
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sys.exit(1)
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print(f"Downloading model {model}")
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files = ["checklist.chk", "params.json"]
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for i in range(num[model]):
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files.append(f"consolidated.0{i}.pth")
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resolved_path = os.path.abspath(os.path.join(modelsDir, model))
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os.makedirs(resolved_path, exist_ok=True)
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for file in files:
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dest_path = os.path.join(resolved_path, file)
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if os.path.exists(dest_path):
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print(f"Skip file download, it already exists: {file}")
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continue
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url = f"https://agi.gpt4.org/llama/LLaMA/{model}/{file}"
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response = requests.get(url, stream=True)
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with open(dest_path, 'wb') as f:
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with tqdm(unit='B', unit_scale=True, miniters=1, desc=file) as t:
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for chunk in response.iter_content(chunk_size=1024):
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if chunk:
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f.write(chunk)
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t.update(len(chunk))
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files2 = ["tokenizer_checklist.chk", "tokenizer.model"]
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for file in files2:
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dest_path = os.path.join(modelsDir, file)
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if os.path.exists(dest_path):
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print(f"Skip file download, it already exists: {file}")
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continue
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url = f"https://agi.gpt4.org/llama/LLaMA/{file}"
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response = requests.get(url, stream=True)
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with open(dest_path, 'wb') as f:
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with tqdm(unit='B', unit_scale=True, miniters=1, desc=file) as t:
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for chunk in response.iter_content(chunk_size=1024):
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if chunk:
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f.write(chunk)
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t.update(len(chunk))
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@ -1,9 +1,4 @@
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function(llama_add_test source)
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get_filename_component(TEST_TARGET ${source} NAME_WE)
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add_executable(${TEST_TARGET} ${source})
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target_link_libraries(${TEST_TARGET} PRIVATE llama ggml utils)
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add_test(NAME ${TEST_TARGET} COMMAND $<TARGET_FILE:${TEST_TARGET}> ${ARGN})
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endfunction()
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llama_add_test(test-quantize.c)
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llama_add_test(test-tokenizer-0.cpp ${CMAKE_CURRENT_SOURCE_DIR}/../models/ggml-vocab.bin)
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set(TEST_TARGET test-tokenizer-0)
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add_executable(${TEST_TARGET} ${TEST_TARGET}.cpp)
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target_link_libraries(${TEST_TARGET} PRIVATE llama ggml utils)
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add_test(NAME ${TEST_TARGET} COMMAND $<TARGET_FILE:${TEST_TARGET}> ${CMAKE_CURRENT_SOURCE_DIR}/../models/ggml-vocab.bin)
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@ -1,42 +0,0 @@
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#include "ggml.h"
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#undef NDEBUG
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#include <assert.h>
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#include <math.h>
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int main(void) {
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#define QK 32
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float src[QK];
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uint8_t dst[24];
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int64_t hist[16];
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for (int i = 0; i < QK; i++) {
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src[i] = (float)(i + 1);
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}
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size_t size = ggml_quantize_q4_0(src, dst, QK, QK, QK, hist);
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assert(size == 20);
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float max_result = ((float *)dst)[0];
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float max_expected = src[31] / ((1 << 3) - 1);
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assert(max_result == max_expected);
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for (int i = 0; i < QK; i++) {
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uint8_t q4_result = (i % 2) ? (dst[sizeof(float) + i/2] >> 4) : (dst[sizeof(float) + i/2] & 0xF);
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uint8_t q4_expected = roundf(src[i] / max_expected) + 8;
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assert(q4_result == q4_expected);
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}
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size = ggml_quantize_q4_1(src, dst, QK, QK, QK, hist);
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assert(size == 24);
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float delta_result = ((float *)dst)[0];
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float delta_expected = (src[31] - src[0]) / ((1 << 4) - 1);
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assert(delta_result == delta_expected);
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float min_result = ((float *)dst)[1];
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float min_expected = src[0];
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assert(min_result == min_expected);
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for (int i = 0; i < QK; i++) {
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uint8_t q4_result = (i % 2) ? (dst[sizeof(float)*2 + i/2] >> 4) : (dst[sizeof(float)*2 + i/2] & 0xF);
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uint8_t q4_expected = roundf((src[i] - min_expected) / delta_expected);
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assert(q4_result == q4_expected);
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}
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return 0;
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}
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