diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml index 0a28a11112251..367df07a7e497 100644 --- a/.github/workflows/build.yml +++ b/.github/workflows/build.yml @@ -515,6 +515,31 @@ jobs: - name: Build Xcode project run: xcodebuild -project examples/llama.swiftui/llama.swiftui.xcodeproj -scheme llama.swiftui -sdk iphoneos CODE_SIGNING_REQUIRED=NO CODE_SIGN_IDENTITY= -destination 'generic/platform=iOS' build + android-build: + runs-on: ubuntu-latest + + steps: + - name: Clone + uses: actions/checkout@v3 + + - name: Set up JDK + uses: actions/setup-java@v3 + with: + java-version: 17 + distribution: zulu + + - name: Setup Android SDK + uses: android-actions/setup-android@v3 + with: + log-accepted-android-sdk-licenses: false + + - name: Build + run: | + cd examples/llama.android + + # Skip armeabi-v7a for now (https://github.com/llvm/llvm-project/issues/65820). + ./gradlew build --no-daemon -Pskip-armeabi-v7a + # freeBSD-latest: # runs-on: macos-12 # steps: diff --git a/examples/llama.android/.gitignore b/examples/llama.android/.gitignore new file mode 100644 index 0000000000000..347e252ef10e9 --- /dev/null +++ b/examples/llama.android/.gitignore @@ -0,0 +1,33 @@ +# Gradle files +.gradle/ +build/ + +# Local configuration file (sdk path, etc) +local.properties + +# Log/OS Files +*.log + +# Android Studio generated files and folders +captures/ +.externalNativeBuild/ +.cxx/ +*.apk +output.json + +# IntelliJ +*.iml +.idea/ +misc.xml +deploymentTargetDropDown.xml +render.experimental.xml + +# Keystore files +*.jks +*.keystore + +# Google Services (e.g. APIs or Firebase) +google-services.json + +# Android Profiling +*.hprof diff --git a/examples/llama.android/README.md b/examples/llama.android/README.md new file mode 100644 index 0000000000000..e69de29bb2d1d diff --git a/examples/llama.android/app/.gitignore b/examples/llama.android/app/.gitignore new file mode 100644 index 0000000000000..796b96d1c4023 --- /dev/null +++ b/examples/llama.android/app/.gitignore @@ -0,0 +1 @@ +/build diff --git a/examples/llama.android/app/build.gradle.kts b/examples/llama.android/app/build.gradle.kts new file mode 100644 index 0000000000000..7815a802593ba --- /dev/null +++ b/examples/llama.android/app/build.gradle.kts @@ -0,0 +1,91 @@ +plugins { + id("com.android.application") + id("org.jetbrains.kotlin.android") +} + +android { + namespace = "com.example.llama" + compileSdk = 34 + + ndkVersion = "26.1.10909125" + + defaultConfig { + applicationId = "com.example.llama" + minSdk = 33 + targetSdk = 34 + versionCode = 1 + versionName = "1.0" + + testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner" + vectorDrawables { + useSupportLibrary = true + } + ndk { + // Workaround for https://github.com/llvm/llvm-project/issues/65820 + // affecting armeabi-v7a. Skip armeabi-v7a when invoked with + // -Pskip-armeabi-v7a (e.g., ./gradlew build -Pskip-armeabi-v7a). + if (project.hasProperty("skip-armeabi-v7a")) { + abiFilters += listOf("arm64-v8a", "x86_64", "x86") + } + } + externalNativeBuild { + cmake { + cppFlags += listOf() + arguments += listOf() + } + } + } + + buildTypes { + release { + isMinifyEnabled = false + proguardFiles( + getDefaultProguardFile("proguard-android-optimize.txt"), + "proguard-rules.pro" + ) + } + } + compileOptions { + sourceCompatibility = JavaVersion.VERSION_1_8 + targetCompatibility = JavaVersion.VERSION_1_8 + } + kotlinOptions { + jvmTarget = "1.8" + } + buildFeatures { + compose = true + } + composeOptions { + kotlinCompilerExtensionVersion = "1.5.1" + } + packaging { + resources { + excludes += "/META-INF/{AL2.0,LGPL2.1}" + } + } + externalNativeBuild { + cmake { + path = file("src/main/cpp/CMakeLists.txt") + version = "3.22.1" + } + } +} + +dependencies { + + implementation("androidx.core:core-ktx:1.12.0") + implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.6.2") + implementation("androidx.activity:activity-compose:1.8.2") + implementation(platform("androidx.compose:compose-bom:2023.08.00")) + implementation("androidx.compose.ui:ui") + implementation("androidx.compose.ui:ui-graphics") + implementation("androidx.compose.ui:ui-tooling-preview") + implementation("androidx.compose.material3:material3") + testImplementation("junit:junit:4.13.2") + androidTestImplementation("androidx.test.ext:junit:1.1.5") + androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1") + androidTestImplementation(platform("androidx.compose:compose-bom:2023.08.00")) + androidTestImplementation("androidx.compose.ui:ui-test-junit4") + debugImplementation("androidx.compose.ui:ui-tooling") + debugImplementation("androidx.compose.ui:ui-test-manifest") +} diff --git a/examples/llama.android/app/proguard-rules.pro b/examples/llama.android/app/proguard-rules.pro new file mode 100644 index 0000000000000..f1b424510da51 --- /dev/null +++ b/examples/llama.android/app/proguard-rules.pro @@ -0,0 +1,21 @@ +# Add project specific ProGuard rules here. +# You can control the set of applied configuration files using the +# proguardFiles setting in build.gradle. +# +# For more details, see +# http://developer.android.com/guide/developing/tools/proguard.html + +# If your project uses WebView with JS, uncomment the following +# and specify the fully qualified class name to the JavaScript interface +# class: +#-keepclassmembers class fqcn.of.javascript.interface.for.webview { +# public *; +#} + +# Uncomment this to preserve the line number information for +# debugging stack traces. +#-keepattributes SourceFile,LineNumberTable + +# If you keep the line number information, uncomment this to +# hide the original source file name. +#-renamesourcefileattribute SourceFile diff --git a/examples/llama.android/app/src/main/AndroidManifest.xml b/examples/llama.android/app/src/main/AndroidManifest.xml new file mode 100644 index 0000000000000..41a358a299154 --- /dev/null +++ b/examples/llama.android/app/src/main/AndroidManifest.xml @@ -0,0 +1,30 @@ + + + + + + + + + + + + + + + + + diff --git a/examples/llama.android/app/src/main/cpp/CMakeLists.txt b/examples/llama.android/app/src/main/cpp/CMakeLists.txt new file mode 100644 index 0000000000000..85139329aa082 --- /dev/null +++ b/examples/llama.android/app/src/main/cpp/CMakeLists.txt @@ -0,0 +1,50 @@ + +# For more information about using CMake with Android Studio, read the +# documentation: https://d.android.com/studio/projects/add-native-code.html. +# For more examples on how to use CMake, see https://github.com/android/ndk-samples. + +# Sets the minimum CMake version required for this project. +cmake_minimum_required(VERSION 3.22.1) + +# Declares the project name. The project name can be accessed via ${ PROJECT_NAME}, +# Since this is the top level CMakeLists.txt, the project name is also accessible +# with ${CMAKE_PROJECT_NAME} (both CMake variables are in-sync within the top level +# build script scope). +project("llama-android") + +include(FetchContent) +FetchContent_Declare( + llama + GIT_REPOSITORY https://github.com/ggerganov/llama.cpp + GIT_TAG master +) + +# Also provides "common" +FetchContent_MakeAvailable(llama) + +# Creates and names a library, sets it as either STATIC +# or SHARED, and provides the relative paths to its source code. +# You can define multiple libraries, and CMake builds them for you. +# Gradle automatically packages shared libraries with your APK. +# +# In this top level CMakeLists.txt, ${CMAKE_PROJECT_NAME} is used to define +# the target library name; in the sub-module's CMakeLists.txt, ${PROJECT_NAME} +# is preferred for the same purpose. +# +# In order to load a library into your app from Java/Kotlin, you must call +# System.loadLibrary() and pass the name of the library defined here; +# for GameActivity/NativeActivity derived applications, the same library name must be +# used in the AndroidManifest.xml file. +add_library(${CMAKE_PROJECT_NAME} SHARED + # List C/C++ source files with relative paths to this CMakeLists.txt. + llama-android.cpp) + +# Specifies libraries CMake should link to your target library. You +# can link libraries from various origins, such as libraries defined in this +# build script, prebuilt third-party libraries, or Android system libraries. +target_link_libraries(${CMAKE_PROJECT_NAME} + # List libraries link to the target library + llama + common + android + log) diff --git a/examples/llama.android/app/src/main/cpp/llama-android.cpp b/examples/llama.android/app/src/main/cpp/llama-android.cpp new file mode 100644 index 0000000000000..d5e705dce6ca0 --- /dev/null +++ b/examples/llama.android/app/src/main/cpp/llama-android.cpp @@ -0,0 +1,394 @@ +#include +#include +#include +#include +#include +#include +#include "llama.h" +#include "common/common.h" + +// Write C++ code here. +// +// Do not forget to dynamically load the C++ library into your application. +// +// For instance, +// +// In MainActivity.java: +// static { +// System.loadLibrary("llama-android"); +// } +// +// Or, in MainActivity.kt: +// companion object { +// init { +// System.loadLibrary("llama-android") +// } +// } + +#define TAG "llama-android.cpp" +#define LOGi(...) __android_log_print(ANDROID_LOG_INFO, TAG, __VA_ARGS__) +#define LOGe(...) __android_log_print(ANDROID_LOG_ERROR, TAG, __VA_ARGS__) + +jclass la_int_var; +jmethodID la_int_var_value; +jmethodID la_int_var_inc; + +static void log_callback(ggml_log_level level, const char * fmt, void * data) { + if (level == GGML_LOG_LEVEL_ERROR) __android_log_print(ANDROID_LOG_ERROR, TAG, fmt, data); + else if (level == GGML_LOG_LEVEL_INFO) __android_log_print(ANDROID_LOG_INFO, TAG, fmt, data); + else if (level == GGML_LOG_LEVEL_WARN) __android_log_print(ANDROID_LOG_WARN, TAG, fmt, data); + else __android_log_print(ANDROID_LOG_DEFAULT, TAG, fmt, data); +} + +extern "C" +JNIEXPORT jlong JNICALL +Java_com_example_llama_Llm_load_1model(JNIEnv *env, jobject, jstring filename) { + llama_model_params model_params = llama_model_default_params(); + + auto path_to_model = env->GetStringUTFChars(filename, 0); + LOGi("Loading model from %s", path_to_model); + + auto model = llama_load_model_from_file(path_to_model, model_params); + env->ReleaseStringUTFChars(filename, path_to_model); + + if (!model) { + LOGe("load_model() failed"); + env->ThrowNew(env->FindClass("java/lang/IllegalStateException"), "load_model() failed"); + return 0; + } + + return reinterpret_cast(model); +} + +extern "C" +JNIEXPORT void JNICALL +Java_com_example_llama_Llm_free_1model(JNIEnv *, jobject, jlong model) { + llama_free_model(reinterpret_cast(model)); +} + +extern "C" +JNIEXPORT jlong JNICALL +Java_com_example_llama_Llm_new_1context(JNIEnv *env, jobject, jlong jmodel) { + auto model = reinterpret_cast(jmodel); + + if (!model) { + LOGe("new_context(): model cannot be null"); + env->ThrowNew(env->FindClass("java/lang/IllegalArgumentException"), "Model cannot be null"); + return 0; + } + + int n_threads = std::max(1, std::min(8, (int) sysconf(_SC_NPROCESSORS_ONLN) - 2)); + LOGi("Using %d threads", n_threads); + + llama_context_params ctx_params = llama_context_default_params(); + ctx_params.seed = 1234; + ctx_params.n_ctx = 2048; + ctx_params.n_threads = n_threads; + ctx_params.n_threads_batch = n_threads; + + llama_context * context = llama_new_context_with_model(model, ctx_params); + + if (!context) { + LOGe("llama_new_context_with_model() returned null)"); + env->ThrowNew(env->FindClass("java/lang/IllegalStateException"), + "llama_new_context_with_model() returned null)"); + return 0; + } + + return reinterpret_cast(context); +} + +extern "C" +JNIEXPORT void JNICALL +Java_com_example_llama_Llm_free_1context(JNIEnv *, jobject, jlong context) { + llama_free(reinterpret_cast(context)); +} + +extern "C" +JNIEXPORT void JNICALL +Java_com_example_llama_Llm_backend_1free(JNIEnv *, jobject) { + llama_backend_free(); +} + +extern "C" +JNIEXPORT void JNICALL +Java_com_example_llama_Llm_log_1to_1android(JNIEnv *, jobject) { + llama_log_set(log_callback, NULL); +} + +extern "C" +JNIEXPORT jstring JNICALL +Java_com_example_llama_Llm_bench_1model( + JNIEnv *env, + jobject, + jlong context_pointer, + jlong model_pointer, + jlong batch_pointer, + jint pp, + jint tg, + jint pl, + jint nr + ) { + auto pp_avg = 0.0; + auto tg_avg = 0.0; + auto pp_std = 0.0; + auto tg_std = 0.0; + + const auto context = reinterpret_cast(context_pointer); + const auto model = reinterpret_cast(model_pointer); + const auto batch = reinterpret_cast(batch_pointer); + + const int n_ctx = llama_n_ctx(context); + + LOGi("n_ctx = %d", n_ctx); + + int i, j; + int nri; + for (nri = 0; nri < nr; nri++) { + LOGi("Benchmark prompt processing (pp)"); + + llama_batch_clear(*batch); + + const int n_tokens = pp; + for (i = 0; i < n_tokens; i++) { + llama_batch_add(*batch, 0, i, { 0 }, false); + } + + batch->logits[batch->n_tokens - 1] = true; + llama_kv_cache_clear(context); + + const auto t_pp_start = ggml_time_us(); + if (llama_decode(context, *batch) != 0) { + LOGi("llama_decode() failed during prompt processing"); + } + const auto t_pp_end = ggml_time_us(); + + // bench text generation + + LOGi("Benchmark text generation (tg)"); + + llama_kv_cache_clear(context); + const auto t_tg_start = ggml_time_us(); + for (i = 0; i < tg; i++) { + + llama_batch_clear(*batch); + for (j = 0; j < pl; j++) { + llama_batch_add(*batch, 0, i, { j }, true); + } + + LOGi("llama_decode() text generation: %d", i); + if (llama_decode(context, *batch) != 0) { + LOGi("llama_decode() failed during text generation"); + } + } + + const auto t_tg_end = ggml_time_us(); + + llama_kv_cache_clear(context); + + const auto t_pp = double(t_pp_end - t_pp_start) / 1000000.0; + const auto t_tg = double(t_tg_end - t_tg_start) / 1000000.0; + + const auto speed_pp = double(pp) / t_pp; + const auto speed_tg = double(pl * tg) / t_tg; + + pp_avg += speed_pp; + tg_avg += speed_tg; + + pp_std += speed_pp * speed_pp; + tg_std += speed_tg * speed_tg; + + LOGi("pp %f t/s, tg %f t/s", speed_pp, speed_tg); + } + + pp_avg /= double(nr); + tg_avg /= double(nr); + + if (nr > 1) { + pp_std = sqrt(pp_std / double(nr - 1) - pp_avg * pp_avg * double(nr) / double(nr - 1)); + tg_std = sqrt(tg_std / double(nr - 1) - tg_avg * tg_avg * double(nr) / double(nr - 1)); + } else { + pp_std = 0; + tg_std = 0; + } + + char model_desc[128]; + llama_model_desc(model, model_desc, sizeof(model_desc)); + + const auto model_size = double(llama_model_size(model)) / 1024.0 / 1024.0 / 1024.0; + const auto model_n_params = double(llama_model_n_params(model)) / 1e9; + + const auto backend = "(Android)"; // TODO: What should this be? + + std::stringstream result; + result << std::setprecision(2); + result << "| model | size | params | backend | test | t/s |\n"; + result << "| --- | --- | --- | --- | --- | --- |\n"; + result << "| " << model_desc << " | " << model_size << "GiB | " << model_n_params << "B | " << backend << " | pp " << pp << " | " << pp_avg << " ± " << pp_std << " |\n"; + result << "| " << model_desc << " | " << model_size << "GiB | " << model_n_params << "B | " << backend << " | tg " << tg << " | " << tg_avg << " ± " << tg_std << " |\n"; + + return env->NewStringUTF(result.str().c_str()); +} + +extern "C" +JNIEXPORT void JNICALL +Java_com_example_llama_Llm_free_1batch(JNIEnv *, jobject, jlong batch_pointer) { + llama_batch_free(*reinterpret_cast(batch_pointer)); +} + +extern "C" +JNIEXPORT jlong JNICALL +Java_com_example_llama_Llm_new_1batch(JNIEnv *, jobject, jint n_tokens, jint embd, jint n_seq_max) { + + // Source: Copy of llama.cpp:llama_batch_init but heap-allocated. + + llama_batch *batch = new llama_batch { + 0, + nullptr, + nullptr, + nullptr, + nullptr, + nullptr, + nullptr, + 0, + 0, + 0, + }; + + if (embd) { + batch->embd = (float *) malloc(sizeof(float) * n_tokens * embd); + } else { + batch->token = (llama_token *) malloc(sizeof(llama_token) * n_tokens); + } + + batch->pos = (llama_pos *) malloc(sizeof(llama_pos) * n_tokens); + batch->n_seq_id = (int32_t *) malloc(sizeof(int32_t) * n_tokens); + batch->seq_id = (llama_seq_id **) malloc(sizeof(llama_seq_id *) * n_tokens); + for (int i = 0; i < n_tokens; ++i) { + batch->seq_id[i] = (llama_seq_id *) malloc(sizeof(llama_seq_id) * n_seq_max); + } + batch->logits = (int8_t *) malloc(sizeof(int8_t) * n_tokens); + + return reinterpret_cast(batch); +} + +extern "C" +JNIEXPORT void JNICALL +Java_com_example_llama_Llm_backend_1init(JNIEnv *, jobject, jboolean numa) { + llama_backend_init(numa); +} + +extern "C" +JNIEXPORT jstring JNICALL +Java_com_example_llama_Llm_system_1info(JNIEnv *env, jobject) { + return env->NewStringUTF(llama_print_system_info()); +} + +extern "C" +JNIEXPORT jint JNICALL +Java_com_example_llama_Llm_completion_1init( + JNIEnv *env, + jobject, + jlong context_pointer, + jlong batch_pointer, + jstring jtext, + jint n_len + ) { + + const auto text = env->GetStringUTFChars(jtext, 0); + const auto context = reinterpret_cast(context_pointer); + const auto batch = reinterpret_cast(batch_pointer); + + const auto tokens_list = llama_tokenize(context, text, 1); + + auto n_ctx = llama_n_ctx(context); + auto n_kv_req = tokens_list.size() + (n_len - tokens_list.size()); + + LOGi("n_len = %d, n_ctx = %d, n_kv_req = %d", n_len, n_ctx, n_kv_req); + + if (n_kv_req > n_ctx) { + LOGe("error: n_kv_req > n_ctx, the required KV cache size is not big enough"); + } + + for (auto id : tokens_list) { + LOGi("%s", llama_token_to_piece(context, id).c_str()); + } + + llama_batch_clear(*batch); + + // evaluate the initial prompt + for (auto i = 0; i < tokens_list.size(); i++) { + llama_batch_add(*batch, tokens_list[i], i, { 0 }, false); + } + + // llama_decode will output logits only for the last token of the prompt + batch->logits[batch->n_tokens - 1] = true; + + if (llama_decode(context, *batch) != 0) { + LOGe("llama_decode() failed"); + } + + env->ReleaseStringUTFChars(jtext, text); + + return batch->n_tokens; +} + +extern "C" +JNIEXPORT jstring JNICALL +Java_com_example_llama_Llm_completion_1loop( + JNIEnv * env, + jobject, + jlong context_pointer, + jlong batch_pointer, + jint n_len, + jobject intvar_ncur +) { + const auto context = reinterpret_cast(context_pointer); + const auto batch = reinterpret_cast(batch_pointer); + const auto model = llama_get_model(context); + + if (!la_int_var) la_int_var = env->GetObjectClass(intvar_ncur); + if (!la_int_var_value) la_int_var_value = env->GetMethodID(la_int_var, "getValue", "()I"); + if (!la_int_var_inc) la_int_var_inc = env->GetMethodID(la_int_var, "inc", "()V"); + + auto n_vocab = llama_n_vocab(model); + auto logits = llama_get_logits_ith(context, batch->n_tokens - 1); + + std::vector candidates; + candidates.reserve(n_vocab); + + for (llama_token token_id = 0; token_id < n_vocab; token_id++) { + candidates.emplace_back(llama_token_data{ token_id, logits[token_id], 0.0f }); + } + + llama_token_data_array candidates_p = { candidates.data(), candidates.size(), false }; + + // sample the most likely token + const auto new_token_id = llama_sample_token_greedy(context, &candidates_p); + + const auto n_cur = env->CallIntMethod(intvar_ncur, la_int_var_value); + if (new_token_id == llama_token_eos(model) || n_cur == n_len) { + return env->NewStringUTF(""); + } + + auto new_token_chars = llama_token_to_piece(context, new_token_id); + LOGi("new_token_chars: `%s`", new_token_chars.c_str()); + auto new_token = env->NewStringUTF(new_token_chars.c_str()); + + llama_batch_clear(*batch); + llama_batch_add(*batch, new_token_id, n_cur, { 0 }, true); + + env->CallVoidMethod(intvar_ncur, la_int_var_inc); + + if (llama_decode(context, *batch) != 0) { + LOGe("llama_decode() returned null"); + } + + return new_token; +} + +extern "C" +JNIEXPORT void JNICALL +Java_com_example_llama_Llm_kv_1cache_1clear(JNIEnv *, jobject, jlong context) { + llama_kv_cache_clear(reinterpret_cast(context)); +} diff --git a/examples/llama.android/app/src/main/java/com/example/llama/Downloadable.kt b/examples/llama.android/app/src/main/java/com/example/llama/Downloadable.kt new file mode 100644 index 0000000000000..78c231ae55d8c --- /dev/null +++ b/examples/llama.android/app/src/main/java/com/example/llama/Downloadable.kt @@ -0,0 +1,119 @@ +package com.example.llama + +import android.app.DownloadManager +import android.net.Uri +import android.util.Log +import androidx.compose.material3.Button +import androidx.compose.material3.Text +import androidx.compose.runtime.Composable +import androidx.compose.runtime.getValue +import androidx.compose.runtime.mutableDoubleStateOf +import androidx.compose.runtime.mutableStateOf +import androidx.compose.runtime.remember +import androidx.compose.runtime.rememberCoroutineScope +import androidx.compose.runtime.setValue +import androidx.core.database.getLongOrNull +import androidx.core.net.toUri +import kotlinx.coroutines.delay +import kotlinx.coroutines.launch +import java.io.File + +data class Downloadable(val name: String, val source: Uri, val destination: File) { + companion object { + @JvmStatic + private val tag: String? = this::class.qualifiedName + + sealed interface State + data object Ready: State + data class Downloading(val id: Long): State + data class Downloaded(val downloadable: Downloadable): State + data class Error(val message: String): State + + @JvmStatic + @Composable + fun Button(viewModel: MainViewModel, dm: DownloadManager, item: Downloadable) { + var status: State by remember { + mutableStateOf( + if (item.destination.exists()) Downloaded(item) + else Ready + ) + } + var progress by remember { mutableDoubleStateOf(0.0) } + + val coroutineScope = rememberCoroutineScope() + + suspend fun waitForDownload(result: Downloading, item: Downloadable): State { + while (true) { + val cursor = dm.query(DownloadManager.Query().setFilterById(result.id)) + + if (cursor == null) { + Log.e(tag, "dm.query() returned null") + return Error("dm.query() returned null") + } + + if (!cursor.moveToFirst() || cursor.count < 1) { + cursor.close() + Log.i(tag, "cursor.moveToFirst() returned false or cursor.count < 1, download canceled?") + return Ready + } + + val pix = cursor.getColumnIndex(DownloadManager.COLUMN_BYTES_DOWNLOADED_SO_FAR) + val tix = cursor.getColumnIndex(DownloadManager.COLUMN_TOTAL_SIZE_BYTES) + val sofar = cursor.getLongOrNull(pix) ?: 0 + val total = cursor.getLongOrNull(tix) ?: 1 + cursor.close() + + if (sofar == total) { + return Downloaded(item) + } + + progress = (sofar * 1.0) / total + + delay(1000L) + } + } + + fun onClick() { + when (val s = status) { + is Downloaded -> { + viewModel.load(item.destination.path) + } + + is Downloading -> { + coroutineScope.launch { + status = waitForDownload(s, item) + } + } + + else -> { + item.destination.delete() + + val request = DownloadManager.Request(item.source).apply { + setTitle("Downloading model") + setDescription("Downloading model: ${item.name}") + setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI) + setDestinationUri(item.destination.toUri()) + } + + viewModel.log("Saving ${item.name} to ${item.destination.path}") + Log.i(tag, "Saving ${item.name} to ${item.destination.path}") + + val id = dm.enqueue(request) + status = Downloading(id) + onClick() + } + } + } + + Button(onClick = { onClick() }, enabled = status !is Downloading) { + when (status) { + is Downloading -> Text(text = "Downloading ${(progress * 100).toInt()}%") + is Downloaded -> Text("Load ${item.name}") + is Ready -> Text("Download ${item.name}") + is Error -> Text("Download ${item.name}") + } + } + } + + } +} diff --git a/examples/llama.android/app/src/main/java/com/example/llama/Llm.kt b/examples/llama.android/app/src/main/java/com/example/llama/Llm.kt new file mode 100644 index 0000000000000..5f32703724a49 --- /dev/null +++ b/examples/llama.android/app/src/main/java/com/example/llama/Llm.kt @@ -0,0 +1,172 @@ +package com.example.llama + +import android.util.Log +import kotlinx.coroutines.CoroutineDispatcher +import kotlinx.coroutines.asCoroutineDispatcher +import kotlinx.coroutines.flow.Flow +import kotlinx.coroutines.flow.flow +import kotlinx.coroutines.flow.flowOn +import kotlinx.coroutines.withContext +import java.util.concurrent.Executors +import kotlin.concurrent.thread + +class Llm { + private val tag: String? = this::class.simpleName + + private val threadLocalState: ThreadLocal = ThreadLocal.withInitial { State.Idle } + + private val runLoop: CoroutineDispatcher = Executors.newSingleThreadExecutor { + thread(start = false, name = "Llm-RunLoop") { + Log.d(tag, "Dedicated thread for native code: ${Thread.currentThread().name}") + + // No-op if called more than once. + System.loadLibrary("llama-android") + + // Set llama log handler to Android + log_to_android() + backend_init(false) + + Log.d(tag, system_info()) + + it.run() + }.apply { + uncaughtExceptionHandler = Thread.UncaughtExceptionHandler { _, exception: Throwable -> + Log.e(tag, "Unhandled exception", exception) + } + } + }.asCoroutineDispatcher() + + private val nlen: Int = 64 + + private external fun log_to_android() + private external fun load_model(filename: String): Long + private external fun free_model(model: Long) + private external fun new_context(model: Long): Long + private external fun free_context(context: Long) + private external fun backend_init(numa: Boolean) + private external fun backend_free() + private external fun free_batch(batch: Long) + private external fun new_batch(nTokens: Int, embd: Int, nSeqMax: Int): Long + private external fun bench_model( + context: Long, + model: Long, + batch: Long, + pp: Int, + tg: Int, + pl: Int, + nr: Int + ): String + + private external fun system_info(): String + + private external fun completion_init( + context: Long, + batch: Long, + text: String, + nLen: Int + ): Int + + private external fun completion_loop( + context: Long, + batch: Long, + nLen: Int, + ncur: IntVar + ): String + + private external fun kv_cache_clear(context: Long) + + suspend fun bench(pp: Int, tg: Int, pl: Int, nr: Int = 1): String { + return withContext(runLoop) { + when (val state = threadLocalState.get()) { + is State.Loaded -> { + Log.d(tag, "bench(): $state") + bench_model(state.context, state.model, state.batch, pp, tg, pl, nr) + } + + else -> throw IllegalStateException("No model loaded") + } + } + } + + suspend fun load(pathToModel: String) { + withContext(runLoop) { + when (threadLocalState.get()) { + is State.Idle -> { + val model = load_model(pathToModel) + if (model == 0L) throw IllegalStateException("load_model() failed") + + val context = new_context(model) + if (context == 0L) throw IllegalStateException("new_context() failed") + + val batch = new_batch(512, 0, 1) + if (batch == 0L) throw IllegalStateException("new_batch() failed") + + Log.i(tag, "Loaded model $pathToModel") + threadLocalState.set(State.Loaded(model, context, batch)) + } + else -> throw IllegalStateException("Model already loaded") + } + } + } + + fun send(message: String): Flow = flow { + when (val state = threadLocalState.get()) { + is State.Loaded -> { + val ncur = IntVar(completion_init(state.context, state.batch, message, nlen)) + while (ncur.value <= nlen) { + val str = completion_loop(state.context, state.batch, nlen, ncur) + if (str.isEmpty()) { + break + } + emit(str) + } + kv_cache_clear(state.context) + } + else -> {} + } + }.flowOn(runLoop) + + /** + * Unloads the model and frees resources. + * + * This is a no-op if there's no model loaded. + */ + suspend fun unload() { + withContext(runLoop) { + when (val state = threadLocalState.get()) { + is State.Loaded -> { + free_context(state.context) + free_model(state.model) + free_batch(state.batch) + + threadLocalState.set(State.Idle) + } + else -> {} + } + } + } + + companion object { + private class IntVar(value: Int) { + @Volatile + var value: Int = value + private set + + fun inc() { + synchronized(this) { + value += 1 + } + } + } + + private sealed interface State { + data object Idle: State + data class Loaded(val model: Long, val context: Long, val batch: Long): State + } + + // Enforce only one instance of Llm. + private val _instance: Llm = Llm() + + fun instance(): Llm = _instance + } +} diff --git a/examples/llama.android/app/src/main/java/com/example/llama/MainActivity.kt b/examples/llama.android/app/src/main/java/com/example/llama/MainActivity.kt new file mode 100644 index 0000000000000..9da04f7d3c32e --- /dev/null +++ b/examples/llama.android/app/src/main/java/com/example/llama/MainActivity.kt @@ -0,0 +1,154 @@ +package com.example.llama + +import android.app.ActivityManager +import android.app.DownloadManager +import android.content.ClipData +import android.content.ClipboardManager +import android.net.Uri +import android.os.Bundle +import android.os.StrictMode +import android.os.StrictMode.VmPolicy +import android.text.format.Formatter +import androidx.activity.ComponentActivity +import androidx.activity.compose.setContent +import androidx.activity.viewModels +import androidx.compose.foundation.layout.Box +import androidx.compose.foundation.layout.Column +import androidx.compose.foundation.layout.Row +import androidx.compose.foundation.layout.fillMaxSize +import androidx.compose.foundation.layout.padding +import androidx.compose.foundation.lazy.LazyColumn +import androidx.compose.foundation.lazy.items +import androidx.compose.foundation.lazy.rememberLazyListState +import androidx.compose.material3.Button +import androidx.compose.material3.LocalContentColor +import androidx.compose.material3.MaterialTheme +import androidx.compose.material3.OutlinedTextField +import androidx.compose.material3.Surface +import androidx.compose.material3.Text +import androidx.compose.runtime.Composable +import androidx.compose.ui.Modifier +import androidx.compose.ui.unit.dp +import androidx.core.content.getSystemService +import com.example.llama.ui.theme.LlamaAndroidTheme +import java.io.File + +class MainActivity( + activityManager: ActivityManager? = null, + downloadManager: DownloadManager? = null, + clipboardManager: ClipboardManager? = null, +): ComponentActivity() { + private val tag: String? = this::class.simpleName + + private val activityManager by lazy { activityManager ?: getSystemService()!! } + private val downloadManager by lazy { downloadManager ?: getSystemService()!! } + private val clipboardManager by lazy { clipboardManager ?: getSystemService()!! } + + private val viewModel: MainViewModel by viewModels() + + // Get a MemoryInfo object for the device's current memory status. + private fun availableMemory(): ActivityManager.MemoryInfo { + return ActivityManager.MemoryInfo().also { memoryInfo -> + activityManager.getMemoryInfo(memoryInfo) + } + } + + override fun onCreate(savedInstanceState: Bundle?) { + super.onCreate(savedInstanceState) + + StrictMode.setVmPolicy( + VmPolicy.Builder(StrictMode.getVmPolicy()) + .detectLeakedClosableObjects() + .build() + ) + + val free = Formatter.formatFileSize(this, availableMemory().availMem) + val total = Formatter.formatFileSize(this, availableMemory().totalMem) + + viewModel.log("Current memory: $free / $total") + viewModel.log("Downloads directory: ${getExternalFilesDir(null)}") + + val extFilesDir = getExternalFilesDir(null) + + val models = listOf( + Downloadable( + "Phi-2 7B (Q4_0, 1.6 GiB)", + Uri.parse("https://huggingface.co/ggml-org/models/resolve/main/phi-2/ggml-model-q4_0.gguf?download=true"), + File(extFilesDir, "phi-2-q4_0.gguf"), + ), + Downloadable( + "TinyLlama 1.1B (f16, 2.2 GiB)", + Uri.parse("https://huggingface.co/ggml-org/models/resolve/main/tinyllama-1.1b/ggml-model-f16.gguf?download=true"), + File(extFilesDir, "tinyllama-1.1-f16.gguf"), + ), + Downloadable( + "Phi 2 DPO (Q3_K_M, 1.48 GiB)", + Uri.parse("https://huggingface.co/TheBloke/phi-2-dpo-GGUF/resolve/main/phi-2-dpo.Q3_K_M.gguf?download=true"), + File(extFilesDir, "phi-2-dpo.Q3_K_M.gguf") + ), + ) + + setContent { + LlamaAndroidTheme { + // A surface container using the 'background' color from the theme + Surface( + modifier = Modifier.fillMaxSize(), + color = MaterialTheme.colorScheme.background + ) { + MainCompose( + viewModel, + clipboardManager, + downloadManager, + models, + ) + } + + } + } + } +} + +@Composable +fun MainCompose( + viewModel: MainViewModel, + clipboard: ClipboardManager, + dm: DownloadManager, + models: List +) { + Column { + val scrollState = rememberLazyListState() + + Box(modifier = Modifier.weight(1f)) { + LazyColumn(state = scrollState) { + items(viewModel.messages) { + Text( + it, + style = MaterialTheme.typography.bodyLarge.copy(color = LocalContentColor.current), + modifier = Modifier.padding(16.dp) + ) + } + } + } + OutlinedTextField( + value = viewModel.message, + onValueChange = { viewModel.updateMessage(it) }, + label = { Text("Message") }, + ) + Row { + Button({ viewModel.send() }) { Text("Send") } + Button({ viewModel.bench(8, 4, 1) }) { Text("Bench") } + Button({ viewModel.clear() }) { Text("Clear") } + Button({ + viewModel.messages.joinToString("\n").let { + clipboard.setPrimaryClip(ClipData.newPlainText("", it)) + } + }) { Text("Copy") } + } + + Column { + for (model in models) { + Downloadable.Button(viewModel, dm, model) + } + } + } +} diff --git a/examples/llama.android/app/src/main/java/com/example/llama/MainViewModel.kt b/examples/llama.android/app/src/main/java/com/example/llama/MainViewModel.kt new file mode 100644 index 0000000000000..be95e22218332 --- /dev/null +++ b/examples/llama.android/app/src/main/java/com/example/llama/MainViewModel.kt @@ -0,0 +1,104 @@ +package com.example.llama + +import android.util.Log +import androidx.compose.runtime.getValue +import androidx.compose.runtime.mutableStateOf +import androidx.compose.runtime.setValue +import androidx.lifecycle.ViewModel +import androidx.lifecycle.viewModelScope +import kotlinx.coroutines.flow.catch +import kotlinx.coroutines.launch + +class MainViewModel(private val llm: Llm = Llm.instance()): ViewModel() { + companion object { + @JvmStatic + private val NanosPerSecond = 1_000_000_000.0 + } + + private val tag: String? = this::class.simpleName + + var messages by mutableStateOf(listOf("Initializing...")) + private set + + var message by mutableStateOf("") + private set + + override fun onCleared() { + super.onCleared() + + viewModelScope.launch { + try { + llm.unload() + } catch (exc: IllegalStateException) { + messages += exc.message!! + } + } + } + + fun send() { + val text = message + message = "" + + // Add to messages console. + messages += text + messages += "" + + viewModelScope.launch { + llm.send(text) + .catch { + Log.e(tag, "send() failed", it) + messages += it.message!! + } + .collect { messages = messages.dropLast(1) + (messages.last() + it) } + } + } + + fun bench(pp: Int, tg: Int, pl: Int, nr: Int = 1) { + viewModelScope.launch { + try { + val start = System.nanoTime() + val warmupResult = llm.bench(pp, tg, pl, nr) + val end = System.nanoTime() + + messages += warmupResult + + val warmup = (end - start).toDouble() / NanosPerSecond + messages += "Warm up time: $warmup seconds, please wait..." + + if (warmup > 5.0) { + messages += "Warm up took too long, aborting benchmark" + return@launch + } + + messages += llm.bench(512, 128, 1, 3) + } catch (exc: IllegalStateException) { + Log.e(tag, "bench() failed", exc) + messages += exc.message!! + } + } + } + + fun load(pathToModel: String) { + viewModelScope.launch { + try { + llm.load(pathToModel) + messages += "Loaded $pathToModel" + } catch (exc: IllegalStateException) { + Log.e(tag, "load() failed", exc) + messages += exc.message!! + } + } + } + + fun updateMessage(newMessage: String) { + message = newMessage + } + + fun clear() { + messages = listOf() + } + + fun log(message: String) { + messages += message + } +} diff --git a/examples/llama.android/app/src/main/java/com/example/llama/ui/theme/Color.kt b/examples/llama.android/app/src/main/java/com/example/llama/ui/theme/Color.kt new file mode 100644 index 0000000000000..40c30e8d97077 --- /dev/null +++ b/examples/llama.android/app/src/main/java/com/example/llama/ui/theme/Color.kt @@ -0,0 +1,11 @@ +package com.example.llama.ui.theme + +import androidx.compose.ui.graphics.Color + +val Purple80 = Color(0xFFD0BCFF) +val PurpleGrey80 = Color(0xFFCCC2DC) +val Pink80 = Color(0xFFEFB8C8) + +val Purple40 = Color(0xFF6650a4) +val PurpleGrey40 = Color(0xFF625b71) +val Pink40 = Color(0xFF7D5260) diff --git a/examples/llama.android/app/src/main/java/com/example/llama/ui/theme/Theme.kt b/examples/llama.android/app/src/main/java/com/example/llama/ui/theme/Theme.kt new file mode 100644 index 0000000000000..e742220a8d719 --- /dev/null +++ b/examples/llama.android/app/src/main/java/com/example/llama/ui/theme/Theme.kt @@ -0,0 +1,70 @@ +package com.example.llama.ui.theme + +import android.app.Activity +import android.os.Build +import androidx.compose.foundation.isSystemInDarkTheme +import androidx.compose.material3.MaterialTheme +import androidx.compose.material3.darkColorScheme +import androidx.compose.material3.dynamicDarkColorScheme +import androidx.compose.material3.dynamicLightColorScheme +import androidx.compose.material3.lightColorScheme +import androidx.compose.runtime.Composable +import androidx.compose.runtime.SideEffect +import androidx.compose.ui.graphics.toArgb +import androidx.compose.ui.platform.LocalContext +import androidx.compose.ui.platform.LocalView +import androidx.core.view.WindowCompat + +private val DarkColorScheme = darkColorScheme( + primary = Purple80, + secondary = PurpleGrey80, + tertiary = Pink80 +) + +private val LightColorScheme = lightColorScheme( + primary = Purple40, + secondary = PurpleGrey40, + tertiary = Pink40 + + /* Other default colors to override + background = Color(0xFFFFFBFE), + surface = Color(0xFFFFFBFE), + onPrimary = Color.White, + onSecondary = Color.White, + onTertiary = Color.White, + onBackground = Color(0xFF1C1B1F), + onSurface = Color(0xFF1C1B1F), + */ +) + +@Composable +fun LlamaAndroidTheme( + darkTheme: Boolean = isSystemInDarkTheme(), + // Dynamic color is available on Android 12+ + dynamicColor: Boolean = true, + content: @Composable () -> Unit +) { + val colorScheme = when { + dynamicColor && Build.VERSION.SDK_INT >= Build.VERSION_CODES.S -> { + val context = LocalContext.current + if (darkTheme) dynamicDarkColorScheme(context) else dynamicLightColorScheme(context) + } + + darkTheme -> DarkColorScheme + else -> LightColorScheme + } + val view = LocalView.current + if (!view.isInEditMode) { + SideEffect { + val window = (view.context as Activity).window + window.statusBarColor = colorScheme.primary.toArgb() + WindowCompat.getInsetsController(window, view).isAppearanceLightStatusBars = darkTheme + } + } + + MaterialTheme( + colorScheme = colorScheme, + typography = Typography, + content = content + ) +} diff --git a/examples/llama.android/app/src/main/java/com/example/llama/ui/theme/Type.kt b/examples/llama.android/app/src/main/java/com/example/llama/ui/theme/Type.kt new file mode 100644 index 0000000000000..0b87946ca3ab1 --- /dev/null +++ b/examples/llama.android/app/src/main/java/com/example/llama/ui/theme/Type.kt @@ -0,0 +1,34 @@ +package com.example.llama.ui.theme + +import androidx.compose.material3.Typography +import androidx.compose.ui.text.TextStyle +import androidx.compose.ui.text.font.FontFamily +import androidx.compose.ui.text.font.FontWeight +import androidx.compose.ui.unit.sp + +// Set of Material typography styles to start with +val Typography = Typography( + bodyLarge = TextStyle( + fontFamily = FontFamily.Default, + fontWeight = FontWeight.Normal, + fontSize = 16.sp, + lineHeight = 24.sp, + letterSpacing = 0.5.sp + ) + /* Other default text styles to override + titleLarge = TextStyle( + fontFamily = FontFamily.Default, + fontWeight = FontWeight.Normal, + fontSize = 22.sp, + lineHeight = 28.sp, + letterSpacing = 0.sp + ), + labelSmall = TextStyle( + fontFamily = FontFamily.Default, + fontWeight = FontWeight.Medium, + fontSize = 11.sp, + lineHeight = 16.sp, + letterSpacing = 0.5.sp + ) + */ +) diff --git a/examples/llama.android/app/src/main/res/drawable/ic_launcher_background.xml b/examples/llama.android/app/src/main/res/drawable/ic_launcher_background.xml new file mode 100644 index 0000000000000..07d5da9cbf141 --- /dev/null +++ b/examples/llama.android/app/src/main/res/drawable/ic_launcher_background.xml @@ -0,0 +1,170 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/examples/llama.android/app/src/main/res/drawable/ic_launcher_foreground.xml b/examples/llama.android/app/src/main/res/drawable/ic_launcher_foreground.xml new file mode 100644 index 0000000000000..7706ab9e6d407 --- /dev/null +++ b/examples/llama.android/app/src/main/res/drawable/ic_launcher_foreground.xml @@ -0,0 +1,30 @@ + + + + + + + + + + + diff --git a/examples/llama.android/app/src/main/res/mipmap-anydpi/ic_launcher.xml b/examples/llama.android/app/src/main/res/mipmap-anydpi/ic_launcher.xml new file mode 100644 index 0000000000000..b3e26b4c60c27 --- /dev/null +++ b/examples/llama.android/app/src/main/res/mipmap-anydpi/ic_launcher.xml @@ -0,0 +1,6 @@ + + + + + + diff --git a/examples/llama.android/app/src/main/res/mipmap-anydpi/ic_launcher_round.xml b/examples/llama.android/app/src/main/res/mipmap-anydpi/ic_launcher_round.xml new file mode 100644 index 0000000000000..b3e26b4c60c27 --- /dev/null +++ b/examples/llama.android/app/src/main/res/mipmap-anydpi/ic_launcher_round.xml @@ -0,0 +1,6 @@ + + + + + + diff --git a/examples/llama.android/app/src/main/res/mipmap-hdpi/ic_launcher.webp b/examples/llama.android/app/src/main/res/mipmap-hdpi/ic_launcher.webp new file mode 100644 index 0000000000000..c209e78ecd372 Binary files /dev/null and b/examples/llama.android/app/src/main/res/mipmap-hdpi/ic_launcher.webp differ diff --git a/examples/llama.android/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp b/examples/llama.android/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp new file mode 100644 index 0000000000000..b2dfe3d1ba5cf Binary files /dev/null and b/examples/llama.android/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp differ diff --git a/examples/llama.android/app/src/main/res/mipmap-mdpi/ic_launcher.webp b/examples/llama.android/app/src/main/res/mipmap-mdpi/ic_launcher.webp new file mode 100644 index 0000000000000..4f0f1d64e58ba Binary files /dev/null and b/examples/llama.android/app/src/main/res/mipmap-mdpi/ic_launcher.webp differ diff --git a/examples/llama.android/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp b/examples/llama.android/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp new file mode 100644 index 0000000000000..62b611da08167 Binary files /dev/null and b/examples/llama.android/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp differ diff --git a/examples/llama.android/app/src/main/res/mipmap-xhdpi/ic_launcher.webp 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b/examples/llama.android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp new file mode 100644 index 0000000000000..9287f5083623b Binary files /dev/null and b/examples/llama.android/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp differ diff --git a/examples/llama.android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp b/examples/llama.android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp new file mode 100644 index 0000000000000..aa7d6427e6fa1 Binary files /dev/null and b/examples/llama.android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp differ diff --git a/examples/llama.android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp b/examples/llama.android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp new file mode 100644 index 0000000000000..9126ae37cbc35 Binary files /dev/null and b/examples/llama.android/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp differ diff --git a/examples/llama.android/app/src/main/res/values/colors.xml b/examples/llama.android/app/src/main/res/values/colors.xml new file mode 100644 index 0000000000000..ca1931bca99e3 --- /dev/null +++ b/examples/llama.android/app/src/main/res/values/colors.xml @@ -0,0 +1,10 @@ + + + #FFBB86FC + #FF6200EE + #FF3700B3 + #FF03DAC5 + #FF018786 + #FF000000 + #FFFFFFFF + diff --git a/examples/llama.android/app/src/main/res/values/strings.xml b/examples/llama.android/app/src/main/res/values/strings.xml new file mode 100644 index 0000000000000..7a9d314e2969b --- /dev/null +++ b/examples/llama.android/app/src/main/res/values/strings.xml @@ -0,0 +1,3 @@ + + LlamaAndroid + diff --git a/examples/llama.android/app/src/main/res/values/themes.xml b/examples/llama.android/app/src/main/res/values/themes.xml new file mode 100644 index 0000000000000..8a24fda56602c --- /dev/null +++ b/examples/llama.android/app/src/main/res/values/themes.xml @@ -0,0 +1,5 @@ + + + +