Add allow_cutlass_sm90 and force_cutlass_sm90 to lowering config (#967)

Summary:

allow_cutlass_sm90: generate cutlass sm90 kernels along with sm80 kernels

force_cutlass_sm90: only generate cutlass sm90 kernels

Reviewed By: aakhundov

Differential Revision: D51140079

fx2ait/fx2ait/fx2ait.py

@@ -74,6 +74,8 @@ def __init__(
         use_tanh_for_sigmoid: bool = False,
         profile_timeout: int = 500,
         optimize_for_compilation_time: bool = False,
+        allow_cutlass_sm90: bool = False,
+        force_cutlass_sm90: bool = False,
     ):
         """
         Args:
@@ -93,6 +95,8 @@ def __init__(
             save_remote_cache: whether to save the updated cache
             use_fast_math: whether to use fast math in CUDA kernels
             use_tanh_for_sigmoid: whether to use tanh to approximate sigmoid in CUDA kernels
+            allow_cutlass_sm90: generate cutlass sm90 kernels alongside sm80 kernels on sm90 arch
+            force_cutlass_sm90: only generate cutlass sm90 kernels on sm90 arch
             profile_timeout: timeout in seconds for AIT profilers to complete
             optimize_for_compilation_time: we use O1 and disable the ProfileImpl function to reduce compilation time.
         """
@@ -119,6 +123,8 @@ def __init__(
         self.use_fp16_acc = use_fp16_acc
         self.use_fast_math = use_fast_math
         self.use_tanh_for_sigmoid = use_tanh_for_sigmoid
+        self.allow_cutlass_sm90 = allow_cutlass_sm90
+        self.force_cutlass_sm90 = force_cutlass_sm90
         self.optimize_for_compilation_time = optimize_for_compilation_time
         self.hardware_target = self._create_target()
         self.input_specs = input_specs
@@ -149,6 +155,8 @@ def _create_target(self):
             remote_cache_bytes=self.remote_cache_bytes,
             use_fast_math=self.use_fast_math,
             use_tanh_for_sigmoid=self.use_tanh_for_sigmoid,
+            allow_cutlass_sm90=self.allow_cutlass_sm90,
+            force_cutlass_sm90=self.force_cutlass_sm90,
             optimize_for_compilation_time=self.optimize_for_compilation_time,
         )
 

fx2ait/fx2ait/lower/lower_settings.py

@@ -87,3 +87,7 @@ class LowerSettings:
     optimize_for_compilation_time: bool = False
     # If True, use tanh to approximate sigmoid in CUDA kernels
     use_tanh_for_sigmoid: bool = False
+    # generate cutlass sm90 kernels alongside sm80 kernels on sm90 arch
+    allow_cutlass_sm90: bool = False
+    # only generate cutlass sm90 kernels on sm90 arch
+    force_cutlass_sm90: bool = False

python/aitemplate/backend/cuda/target_def.py

@@ -235,7 +235,17 @@ def __enter__(self):
         super().__enter__()
         self._gen_cutlass_lib_pkg()
         f_gen_ops = registry.get("cuda.gen_cutlass_ops")
-        self._operators = f_gen_ops(self._arch, self._cuda_version)
+        allow_cutlass_sm90 = (
+            self._kwargs.get("allow_cutlass_sm90", False)
+            or environ.allow_cutlass_sm90_kernels()
+        )
+        force_cutlass_sm90 = (
+            self._kwargs.get("force_cutlass_sm90", False)
+            or environ.force_cutlass_sm90_kernels()
+        )
+        self._operators = f_gen_ops(
+            self._arch, self._cuda_version, allow_cutlass_sm90, force_cutlass_sm90
+        )
 
     def __exit__(self, ptype, value, trace):
         super().__exit__(ptype, value, trace)

python/aitemplate/backend/cuda/utils.py

@@ -18,10 +18,6 @@
 import logging
 
 from aitemplate.backend import registry
-from aitemplate.utils.environ import (
-    allow_cutlass_sm90_kernels,
-    force_cutlass_sm90_kernels,
-)
 from aitemplate.utils.mk_cutlass_lib.mk_cutlass_lib import mk_cutlass_lib
 
 # pylint: disable=C0103,C0415,W0707
@@ -51,7 +47,12 @@ def __init__(self, arch):
 
 
 @registry.reg("cuda.gen_cutlass_ops")
-def gen_ops(arch, cuda_version):
+def gen_ops(
+    arch,
+    cuda_version,
+    allow_cutlass_sm90,
+    force_cutlass_sm90,
+):
     import cutlass_lib
 
     args = Args(arch)
@@ -60,9 +61,9 @@ def gen_ops(arch, cuda_version):
     manifest = cutlass_lib.manifest.Manifest(args)
 
     if arch == "90":
-        if force_cutlass_sm90_kernels():
+        if force_cutlass_sm90:
             cutlass_lib.generator.GenerateSM90(manifest, args.cuda_version)
-        elif allow_cutlass_sm90_kernels():
+        elif allow_cutlass_sm90:
             cutlass_lib.generator.GenerateSM90(manifest, args.cuda_version)
             cutlass_lib.generator.GenerateSM80(manifest, args.cuda_version)
             cutlass_lib.extra_operation.GenerateSM80(manifest, args)

tests/unittest/ops/test_gemm_bias.py

@@ -41,8 +41,12 @@ def __init__(self, *args, **kwargs):
         super(GEMMBiasTestCase, self).__init__(*args, **kwargs)
         self._test_id = 0
 
-    def _test_rcr(self, Ms, N, K, test_name, dtype="float16"):
-        target = detect_target()
+    def _test_rcr(
+        self, Ms, N, K, test_name, dtype="float16", allow_sm90=False, force_sm90=False
+    ):
+        target = detect_target(
+            allow_cutlass_sm90=allow_sm90, force_cutlass_sm90=force_sm90
+        )
         tolerance_limits = _TOLERANCE_LIMITS[dtype]
         MDim = shape_utils.gen_int_var_min_max(Ms, name="m")
         X = Tensor(shape=[MDim, IntImm(K)], dtype=dtype, name="input_0", is_input=True)
@@ -108,6 +112,26 @@ def test_rcr_bfloat16_bf16(self):
         )
 
     def test_rcr_sm90(self) -> None:
+        with env_variables(
+            INSIDE_RE_WORKER="1",
+            FORCE_PROFILE="1",
+        ):
+            self._test_rcr(
+                Ms=[128],
+                N=32,
+                K=32,
+                test_name="target_fp16_allow_sm90",
+                dtype="float16",
+                allow_sm90=True,
+            )
+            self._test_rcr(
+                Ms=[128],
+                N=32,
+                K=32,
+                test_name="target_fp16_force_sm90",
+                dtype="float16",
+                force_sm90=True,
+            )
         with env_variables(
             AIT_FORCE_CUTLASS_SM90_KERNELS="1",
             INSIDE_RE_WORKER="1",