fixing tests and adding github action

.github/workflows/tests.yml

@@ -0,0 +1,24 @@
+name: build
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main, "*"]
+
+jobs:
+
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Setup Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.12'
+    - name:  Install pip dependencies
+      run: |
+        python3 -m pip install --upgrade pip
+        python3 -m pip install -r requirements.txt
+    - name: Run Python unit tests
+      run: python3 -u -m pytest tests/tests.py

test/test_blocksparse.py

@@ -2,7 +2,7 @@
 import torch
 
 import triton
-import triton.ops
+import kernels
 
 
 def is_hip_mi200():
@@ -57,7 +57,7 @@ def mask_tensor(x, mask, block, value=0):
 @pytest.mark.parametrize("BLOCK", [16, 32, 64])
 @pytest.mark.parametrize("DTYPE", [torch.float16])
 def test_matmul(
-    MODE, TRANS_A, TRANS_B, BLOCK, DTYPE, device, Z=3, H=2, M=512, N=384, K=256
+    MODE, TRANS_A, TRANS_B, BLOCK, DTYPE, device="cuda", Z=3, H=2, M=512, N=384, K=256
 ):
     seed = 0
     torch.manual_seed(seed)
@@ -103,7 +103,7 @@ def test_matmul(
     b_tri = do_sparsify(b_tri) if is_dds else b_tri
     a_tri.retain_grad()
     b_tri.retain_grad()
-    op = triton.ops.blocksparse.matmul(
+    op = kernels.blocksparse.matmul(
         layout, BLOCK, MODE, trans_a=TRANS_A, trans_b=TRANS_B, device=device
     )
     c_tri = op(a_tri, b_tri)
@@ -132,7 +132,9 @@ def test_matmul(
 
 @pytest.mark.parametrize("is_dense", [False, True])
 @pytest.mark.parametrize("BLOCK, WIDTH", configs)
-def test_softmax(BLOCK, WIDTH, is_dense, device, Z=2, H=2, is_causal=True, scale=0.4):
+def test_softmax(
+    BLOCK, WIDTH, is_dense, device="cuda", Z=2, H=2, is_causal=True, scale=0.4
+):
     # set seed
     torch.random.manual_seed(0)
     Z, H, M, N = 2, 3, WIDTH, WIDTH
@@ -164,7 +166,7 @@ def test_softmax(BLOCK, WIDTH, is_dense, device, Z=2, H=2, is_causal=True, scale
     a_tri = sparsify_tensor(a_tri, layout, BLOCK)
     a_tri.retain_grad()
     dout_tri = sparsify_tensor(dout_tri, layout, BLOCK)
-    op = triton.ops.blocksparse.softmax(layout, BLOCK, device=device, is_dense=is_dense)
+    op = kernels.blocksparse.softmax(layout, BLOCK, device=device, is_dense=is_dense)
     out_tri = op(a_tri, scale=scale, is_causal=is_causal)
     out_tri.backward(dout_tri)
     da_tri = a_tri.grad
@@ -178,7 +180,7 @@ def test_softmax(BLOCK, WIDTH, is_dense, device, Z=2, H=2, is_causal=True, scale
 def test_attention_fwd_bwd(
     block,
     dtype,
-    device,
+    device="cuda",
     input_scale=1.0,
     scale=1 / 8.0,
     n_ctx=256,
@@ -251,13 +253,13 @@ def triton_attention(
     value: torch.Tensor,
     scale: float,
 ):
-    sparse_dot_sdd_nt = triton.ops.blocksparse.matmul(
+    sparse_dot_sdd_nt = kernels.blocksparse.matmul(
         layout, block, "sdd", trans_a=False, trans_b=True, device=value.device
     )
-    sparse_dot_dsd_nn = triton.ops.blocksparse.matmul(
+    sparse_dot_dsd_nn = kernels.blocksparse.matmul(
         layout, block, "dsd", trans_a=False, trans_b=False, device=value.device
     )
-    sparse_softmax = triton.ops.blocksparse.softmax(layout, block, device=value.device)
+    sparse_softmax = kernels.blocksparse.softmax(layout, block, device=value.device)
 
     w = sparse_dot_sdd_nt(query, key)
     w = sparse_softmax(w, scale=scale, is_causal=True)

test/test_cross_entropy.py

@@ -1,8 +1,7 @@
 import pytest
 import torch
 
-import triton
-import triton.ops
+import kernels
 
 
 @pytest.mark.parametrize(
@@ -15,7 +14,7 @@
         for mode in ["forward", "backward"]
     ],
 )
-def test_op(M, N, dtype, mode, device):
+def test_op(M, N, dtype, mode, device="cuda"):
     capability = torch.cuda.get_device_capability()
     if capability[0] < 8 and dtype == "bfloat16":
         pytest.skip("Only test bfloat16 on devices with sm >= 80")
@@ -28,7 +27,7 @@ def test_op(M, N, dtype, mode, device):
     x = torch.randn(M, N, dtype=dtype, device=device, requires_grad=True)
     idx = 4 + torch.ones(M, dtype=torch.int64, device=device)
     # forward pass
-    tt_y = triton.ops.cross_entropy(x, idx)
+    tt_y = kernels.cross_entropy(x, idx)
     th_y = torch.nn.CrossEntropyLoss(reduction="none")(x, idx)
     if mode == "forward":
         torch.testing.assert_close(th_y, tt_y)

test/test_flash_attention.py

@@ -2,8 +2,8 @@
 import torch
 import os
 
+import kernels
 import triton
-import triton.ops
 
 
 @pytest.mark.interpreter
@@ -19,7 +19,7 @@
 @pytest.mark.parametrize("dtype", [torch.float16, torch.bfloat16])
 @pytest.mark.parametrize("causal", [True, False])
 @pytest.mark.parametrize("seq_par", [True, False])
-def test_op(Z, H, N_CTX, D_HEAD, dtype, causal, seq_par, device):
+def test_op(Z, H, N_CTX, D_HEAD, dtype, causal, seq_par, device="cuda"):
     capability = torch.cuda.get_device_capability()
     if capability[0] < 8:
         pytest.skip("Flash attention only supported for compute capability >= 80")
@@ -56,7 +56,7 @@ def test_op(Z, H, N_CTX, D_HEAD, dtype, causal, seq_par, device):
     ref_dk, k.grad = k.grad.clone(), None
     ref_dq, q.grad = q.grad.clone(), None
     # # triton implementation
-    tri_out = triton.ops.attention(q, k, v, causal, sm_scale, seq_par)
+    tri_out = kernels.attention(q, k, v, causal, sm_scale, seq_par)
     tri_out.backward(dout)
     tri_dv, v.grad = v.grad.clone(), None
     tri_dk, k.grad = k.grad.clone(), None
@@ -151,7 +151,7 @@ def bench_flash_attention(
         (BATCH, H, N_CTX, D_HEAD), dtype=dtype, device="cuda", requires_grad=True
     )
     if provider == "triton":
-        fn = lambda: triton.ops.attention(q, k, v, casual, sm_scale, seq_par)
+        fn = lambda: kernels.attention(q, k, v, casual, sm_scale, seq_par)
         if mode == "bwd":
             o = fn()
             do = torch.randn_like(o)

test/test_inductor.py

@@ -5,7 +5,7 @@
 import triton.language as tl
 
 
-def test_normalization_with_remat(device):
+def test_normalization_with_remat(device="cuda"):
 
     @triton.jit
     def triton_(
@@ -80,7 +80,7 @@ def triton_(
     )
 
 
-def test_avg_pool_bw(device):
+def test_avg_pool_bw(device="cuda"):
 
     @triton.jit
     def triton_(in_ptr0, out_ptr0, XBLOCK: tl.constexpr):
@@ -200,7 +200,7 @@ def triton_(in_ptr0, out_ptr0, XBLOCK: tl.constexpr):
 
 @pytest.mark.parametrize("RBLOCK", [1, 16, 32, 64, 128])
 @pytest.mark.parametrize("num_warps", [1, 4])
-def test_scan2d_broadcast(RBLOCK, num_warps, device):
+def test_scan2d_broadcast(RBLOCK, num_warps, device="cuda"):
 
     @triton.jit(debug=True)
     def fn(in_ptr, out_ptr, XBLOCK: tl.constexpr, RBLOCK: tl.constexpr):
@@ -220,7 +220,7 @@ def fn(in_ptr, out_ptr, XBLOCK: tl.constexpr, RBLOCK: tl.constexpr):
     torch.testing.assert_close(output, ref)
 
 
-def test_scan2d_for(device):
+def test_scan2d_for(device="cuda"):
 
     @triton.jit
     def fn(out_ptr0, rnumel, RBLOCK: tl.constexpr):

test/test_matmul.py

@@ -5,7 +5,7 @@
 
 import triton
 import triton.language as tl
-import triton.ops
+import kernels
 
 
 def is_hip():
@@ -1006,7 +1006,7 @@ def test_op(
             kwargs=kwargs, num_warps=NWARP, num_stages=NSTAGE, pre_hook=pre_hook
         )
     ]
-    kernel = triton.ops._matmul.kernel
+    kernel = kernels._matmul.kernel
     kernel.configs = configs
     # kernel.run = kernel.run.run.run
 
@@ -1071,7 +1071,7 @@ def init_input(m, n, dtype, acc_dtype):
     # run test
     th_a = upcast_if_fp8(a, ADTYPE)
     th_b = upcast_if_fp8(b, BDTYPE)
-    ab_dtype = triton.ops.get_higher_dtype(th_a.dtype, th_b.dtype)
+    ab_dtype = kernels.get_higher_dtype(th_a.dtype, th_b.dtype)
     acc_dtype = getattr(torch, ACC_DTYPE) if ACC_DTYPE else ab_dtype
     output_dtype = getattr(torch, OUTPUT_DTYPE) if OUTPUT_DTYPE else ab_dtype
     th_c = torch.matmul(th_a.to(output_dtype), th_b.to(output_dtype))
@@ -1080,7 +1080,7 @@ def init_input(m, n, dtype, acc_dtype):
             a = triton.reinterpret(a, getattr(tl, ADTYPE))
         if is_fp8(BDTYPE):
             b = triton.reinterpret(b, getattr(tl, BDTYPE))
-        tt_c = triton.ops.matmul(
+        tt_c = kernels.matmul(
             a,
             b,
             acc_dtype if ACC_DTYPE else None,