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docs/source/clear-hidet-cache.py

@@ -1,3 +1,3 @@
 import conf
 
-conf.hidet.utils.hidet_clear_op_cache()
+conf.hidet.utils.clear_op_cache()

docs/source/conf.py

@@ -31,7 +31,6 @@
 
 import hidet
 hidet.option.cache_dir(os.path.join(hidet.option.get_cache_dir(), 'docs-cache'))
-hidet.utils.hidet_clear_op_cache()
 print('Build docs with under cache: {}'.format(hidet.option.get_cache_dir()))
 
 # -- Project information -----------------------------------------------------

docs/source/python_api/driver.rst

@@ -1,6 +1,6 @@
-hidet.driver
-------------
+hidet.drivers
+-------------
 
-.. automodule:: hidet.driver
+.. automodule:: hidet.drivers
   :members:
   :autosummary:

examples/gpt-2/encoder.py

@@ -113,7 +113,7 @@ def decode(self, tokens):
 
 def get_encoder(model_name="124M"):
     import hidet
-    models_dir = hidet.utils.hidet_cache_dir("./examples/gpt-2")
+    models_dir = hidet.utils.cache_dir("./examples/gpt-2")
     with open(os.path.join(models_dir, model_name, "encoder.json"), "r") as f:
         encoder = json.load(f)
     with open(os.path.join(models_dir, model_name, "vocab.bpe"), "r", encoding="utf-8") as f:

examples/gpt-2/gpt_model.py

@@ -85,7 +85,7 @@ def gpt2_forward(ids, wte, wpe, blocks, ln_f, n_head):  # [n_seq] -> [n_seq, n_v
 
 
 def gpt2(model_size: str = "124M", seq_length: Optional[int] = 1000, use_fp16=False) -> FlowGraph:
-    cache_dir = hidet.utils.hidet_cache_dir('./examples/gpt-2/')
+    cache_dir = hidet.utils.cache_dir('./examples/gpt-2/')
     model_name = 'model_{}_seq{}_{}.hf'.format(model_size, seq_length, 'fp16' if use_fp16 else 'fp32')
     hf_path = os.path.join(cache_dir, model_name)
     if os.path.exists(hf_path):

gallery/developer-guides/hidet-script-dynamic-kernel.py

@@ -132,11 +132,7 @@ def matmul_kernel(
 
     assert isinstance(matmul_kernel, hidet.ir.Function)  # matmul is a hidet.ir.Function
 
-    ir_module = script_module.ir_module()
-    compiled_function: hidet.runtime.CompiledFunction = hidet.driver.build_ir_module(
-        ir_module
-    )
-    return compiled_function
+    return script_module.build()
 
 
 def main():

gallery/how-to-guides/add-new-operator-compute-definition.py

@@ -270,16 +270,15 @@ def demo_task():
 from hidet.ir.task import Task
 
 
-def run_task(task: Task, inputs: List[hidet.Tensor], outputs: List[hidet.Tensor]):
+def run_task(task: Task, inputs: List[hidet.Tensor]):
     """Run given task and print inputs and outputs"""
-    from hidet.runtime import CompiledFunction
+    from hidet.runtime import CompiledTask
 
     # build the task
-    func: CompiledFunction = hidet.driver.build_task(task, target_device='cpu')
-    params = inputs + outputs
+    func: CompiledTask = hidet.drivers.build_task(task, target='cpu')
 
     # run the compiled task
-    func(*params)
+    outputs = func.run_async(inputs)
 
     print('Task:', task.name)
     print('Inputs:')
@@ -317,7 +316,7 @@ def add_example():
     b: TensorNode = tensor_input(name='b', dtype='float32', shape=[5])
     c: TensorNode = compute(name='c', shape=[5], fcompute=lambda i: a[i] + b[i])
     task = Task(name='add', inputs=[a, b], outputs=[c])
-    run_task(task, [hidet.randn([5]), hidet.randn([5])], [hidet.empty([5])])
+    run_task(task, [hidet.randn([5]), hidet.randn([5])])
 
 
 add_example()
@@ -350,7 +349,7 @@ def reduce_sum_example():
         ),
     )
     task = Task('reduce_sum', inputs=[a], outputs=[b])
-    run_task(task, [hidet.randn([4, 3])], [hidet.empty([4])])
+    run_task(task, [hidet.randn([4, 3])])
 
 
 reduce_sum_example()
@@ -371,7 +370,7 @@ def arg_max_example():
         ),
     )
     task = Task('arg_max', inputs=[a], outputs=[b])
-    run_task(task, [hidet.randn([4, 3])], [hidet.empty([4], dtype='int64')])
+    run_task(task, [hidet.randn([4, 3])])
 
 
 arg_max_example()
@@ -391,7 +390,7 @@ def matmul_example():
         ),
     )
     task = Task('matmul', inputs=[a, b], outputs=[c])
-    run_task(task, [hidet.randn([3, 3]), hidet.randn([3, 3])], [hidet.empty([3, 3])])
+    run_task(task, [hidet.randn([3, 3]), hidet.randn([3, 3])])
 
 
 matmul_example()
@@ -411,7 +410,7 @@ def softmax_example():
     softmax = compute('softmax', shape=[3], fcompute=lambda i: exp_a[i] / exp_sum)
 
     task = Task('softmax', inputs=[a], outputs=[softmax])
-    run_task(task, [hidet.randn([3])], [hidet.empty([3])])
+    run_task(task, [hidet.randn([3])])
 
 
 softmax_example()

gallery/how-to-guides/add-new-operator-template-based.py

@@ -17,7 +17,7 @@
 import hidet
 from hidet.ir.compute import TensorNode, compute, reduce
 from hidet.ir.task import Task
-from hidet.ir.func import IRModule
+from hidet.ir.module import IRModule
 
 
 class BatchMatmulFp16Task(Task):
@@ -240,16 +240,6 @@ def demo_usage():
 
 demo_usage()
 
-# %%
-# Generated Source Code
-# ---------------------
-# If you are interested in the generated source code, here it is:
-
-a = hidet.randn([1, 2, 2], dtype='float16', device='cuda')
-b = hidet.randn([1, 2, 2], dtype='float16', device='cuda')
-op = BatchMatmulFp16Op(a, b)
-print(op.task_func.source(color=True))
-
 # %%
 # Summary
 # -------

include/hidet/runtime/cpu/complex.h

@@ -14,42 +14,42 @@
 typedef std::complex<float> complex64_t;
 typedef std::complex<double> complex128_t;
 
-float abs(const complex64_t &a) {
+static float abs(const complex64_t &a) {
     return std::abs(a);
 }
 
-double abs(const complex128_t &a) {
+static double abs(const complex128_t &a) {
     return std::abs(a);
 }
 
-float real(const complex64_t &a) {
+static float real(const complex64_t &a) {
     return std::real(a);
 }
 
-double real(const complex128_t &a) {
+static double real(const complex128_t &a) {
     return std::real(a);
 }
 
-float imag(const complex64_t &a) {
+static float imag(const complex64_t &a) {
     return std::imag(a);
 }
 
-double imag(const complex128_t &a) {
+static double imag(const complex128_t &a) {
     return std::imag(a);
 }
 
-complex64_t conj(const complex64_t &a) {
+static complex64_t conj(const complex64_t &a) {
     return std::conj(a);
 }
 
-complex128_t conj(const complex128_t &a) {
+static complex128_t conj(const complex128_t &a) {
     return std::conj(a);
 }
 
-complex64_t make_complex(float x, float y) {
+static complex64_t make_complex(float x, float y) {
     return complex64_t(x, y);
 }
 
-complex128_t make_complex(double x, double y) {
+static complex128_t make_complex(double x, double y) {
     return complex128_t(x, y);
 }

include/hidet/runtime/cpu/float32.h

@@ -0,0 +1,7 @@
+#include <math.h>
+
+static inline float rsqrtf(float x)
+{
+    return 1.0f / sqrtf(x);
+}
+

include/hidet/runtime/memory_planner.h

@@ -21,8 +21,6 @@ struct MemoryPlanner {
 };
 
 static MemoryPlanner memory_planner;
-//
-//int max_segments = 0;
 
 static void memory_planner_init() {
     memory_planner.size_map.clear();
@@ -31,13 +29,6 @@ static void memory_planner_init() {
 }
 
 static int64_t memory_planner_allocate(int64_t size) {
-//    max_segments = std::max(max_segments, (int)memory_planner.regions.size());
-//    printf("%d (%d)\n", (int)memory_planner.regions.size(), max_segments);
-//    memory_planner.print();
-
-//    auto ret = memory_planner.regions.begin()->start;
-//    memory_planner.regions.begin()->start += size;
-//    return ret;
     if(size == 0) {
         return -1;
     }
@@ -65,9 +56,6 @@ static int64_t memory_planner_allocate(int64_t size) {
 }
 
 static void memory_planner_free(int64_t ptr) {
-//    max_segments = std::max(max_segments, (int)memory_planner.regions.size());
-//    printf("%d (%d)\n", (int)memory_planner.regions.size(), max_segments);
-//    memory_planner.print();
     if(ptr == -1) {
         return;
     }

python/hidet/__init__.py

@@ -18,7 +18,7 @@
 from . import utils
 from . import graph
 from . import runtime
-from . import driver
+from . import drivers
 from . import logging
 from . import cuda
 
@@ -31,7 +31,7 @@
 from .ir.expr import symbol_var
 
 from .runtime.device import Device, device
-from .runtime.model import save_model, load_model
+from .runtime.compiled_graph import save_compiled_graph, load_compiled_graph
 
 from .graph import Tensor, Operator, Module, FlowGraph
 from .graph import nn

python/hidet/backend/build.py

@@ -9,7 +9,7 @@
 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 # See the License for the specific language governing permissions and
 # limitations under the License.
-from typing import Optional, List, Dict
+from typing import Optional, List, Sequence
 import functools
 import warnings
 import os
@@ -39,11 +39,10 @@ class SourceCompiler:
     The base class of source compiler.
     """
 
-    def compile(self, src_path: str, out_lib_path: str, options: Optional[Dict[str, str]] = None) -> None:
+    def compile(self, src_path: str, out_lib_path: str, linking_objects: Sequence[str]) -> None:
         raise NotImplementedError()
 
-    @staticmethod
-    def run_compile_command(command: str, src_path, out_lib_path: str):
+    def run_compile_command(self, command: str, src_path, out_lib_path: str):
         try:
             # the directory to store the library "lib.so"
             out_lib_dir = os.path.dirname(out_lib_path)
@@ -68,7 +67,8 @@ def run_compile_command(command: str, src_path, out_lib_path: str):
                     raise CompilationFailed(src_path, message)
 
                 # write the compilation log
-                with open(os.path.join(out_lib_dir, 'compiler.log'), 'w') as f:
+                log_name = self.__class__.__name__.lower() + '_output.txt'
+                with open(os.path.join(out_lib_dir, log_name), 'w', encoding='utf-8') as f:
                     output = '\n'.join([result.stdout.decode('utf-8').strip(), result.stderr.decode('utf-8').strip()])
                     f.write(output.strip())
 
@@ -104,7 +104,10 @@ def _resolve_nvcc_path():
                 return path
         raise FileNotFoundError('Can not find nvcc compiler.')
 
-    def compile(self, src_path: str, out_lib_path: str, options: Optional[Dict[str, str]] = None) -> None:
+    def compile(self, src_path: str, out_lib_path: str, linking_objects: Sequence[str]) -> None:
+        if len(linking_objects) > 0 and out_lib_path.endswith('.o'):
+            raise ValueError('Can not compile multiple objects into a single object file.')
+
         cc = hidet.cuda.compute_capability()
         cc_code = '{}{}'.format(cc[0], cc[1])
 
@@ -148,7 +151,9 @@ def compile(self, src_path: str, out_lib_path: str, options: Optional[Dict[str,
             # supress warning no 39 like: "warning #39-D: division by zero"
             '--diag-suppress 39',
             # generate shared library (lib.so).
-            '--shared',
+            '--shared' if out_lib_path.endswith('.so') else '--compile',
+            # the linking objects.
+            ' '.join(linking_objects),
             # the source path.
             src_path,
             # the output library path.
@@ -174,7 +179,9 @@ def _resolve_gcc_path():
             return path
         raise FileNotFoundError('Can not find g++ compiler.')
 
-    def compile(self, src_path: str, out_lib_path: str, options: Optional[Dict[str, str]] = None) -> None:
+    def compile(self, src_path: str, out_lib_path: str, linking_objects: Sequence[str]) -> None:
+        if len(linking_objects) > 0 and out_lib_path.endswith('.o'):
+            raise ValueError('Can not compile multiple objects into a single object file.')
         command = [
             # the path to nvcc compiler
             self.gcc_path,
@@ -193,9 +200,11 @@ def compile(self, src_path: str, out_lib_path: str, options: Optional[Dict[str,
             # enable OpenMP.
             '-fopenmp',
             # link the hidet runtime, all APIs for communication between kernels and host system are in hidet runtime.
-            '-lhidet_runtime',
+            '-Wl,--no-as-needed -lhidet_runtime',
             # generate shared library (lib.so).
-            '-shared',
+            '-shared' if out_lib_path.endswith('.so') else '--compile',
+            # the linking objects.
+            ' '.join(linking_objects),
             # the source path.
             src_path,
             # the output library path.
@@ -206,23 +215,36 @@ def compile(self, src_path: str, out_lib_path: str, options: Optional[Dict[str,
         self.run_compile_command(" ".join(command), src_path, out_lib_path)
 
 
-def compile_source(src_path: str, out_lib_path: str) -> None:
+def compile_source(
+    source_file: str, output_library_file: str, target: str, object_files: Optional[Sequence[str]]
+) -> None:
     """
     Compile the source code in 'src_path' file and output the library to 'out_lib_path'.
 
     Parameters
     ----------
-    src_path: str
+    source_file: str
         The path to source code.
-    out_lib_path: str
+    output_library_file: str
         The path to output library.
+    target: str
+        The target platform. Currently only support 'cpu' and 'gpu'.
+    object_files: Optional[Sequence[str]]
+        The path to object files. If not None, the object files will be linked to the output library.
     """
-    src_path = os.path.abspath(src_path)
-    out_lib_path = os.path.abspath(out_lib_path)
-
-    if hidet.cuda.available():
+    source_file = os.path.abspath(source_file)
+    output_library_file = os.path.abspath(output_library_file)
+    if object_files is not None:
+        object_files = [os.path.abspath(object_file) for object_file in object_files]
+
+    if target == 'cuda':
+        if not hidet.cuda.available():
+            raise RuntimeError('CUDA is not available.')
         compiler = NVCC()
-    else:
+    elif target == 'cpu':
         compiler = GCC()
+    else:
+        raise ValueError('Unknown target platform: {}'.format(target))
 
-    compiler.compile(src_path, out_lib_path)
+    object_files = object_files or []
+    compiler.compile(source_file, output_library_file, object_files)