improve pre-commit [pr] (#7256)

* improve pre-commit [pr]

* mypy passes on windows

.pre-commit-config.yaml

@@ -1,3 +1,4 @@
+# on Windows -- $env:SKIP="devicetests,tests,example"
 repos:
   - repo: local
     hooks:
@@ -7,15 +8,15 @@ repos:
         language: system
         always_run: true
         pass_filenames: false
-      - id: mypy
-        name: mypy
-        entry: python3 -m mypy tinygrad/ --strict-equality
+      - id: tiny
+        name: tiny tests
+        entry: python3 -m pytest test/test_tiny.py
         language: system
         always_run: true
         pass_filenames: false
-      - id: docs2
-        name: docs2
-        entry: python3 docs/abstractions2.py
+      - id: mypy
+        name: mypy
+        entry: python3 -m mypy tinygrad/ --strict-equality
         language: system
         always_run: true
         pass_filenames: false

tinygrad/engine/search.py

@@ -56,8 +56,8 @@ class TimeoutException(Exception): pass
 def timeout_handler(signum, frame): raise TimeoutException()
 
 def _try_compile_linearized_w_idx(x:Tuple[int,Kernel], compiler:Compiler) -> Tuple[int, Optional[Tuple[Program, bytes, float]]]:
-  if hasattr(signal, "SIGALRM"):
-    signal.signal(signal.SIGALRM, timeout_handler)
+  if hasattr(signal, "alarm"):
+    signal.signal(getattr(signal, 'SIGALRM'), timeout_handler)
     # set timeout
     signal.alarm(getenv("BEAM_TIMEOUT_SEC", 10))
   ret = None
@@ -74,7 +74,7 @@ def _try_compile_linearized_w_idx(x:Tuple[int,Kernel], compiler:Compiler) -> Tup
   except Exception as e:
     if getenv("BEAM_STRICT_MODE"): raise e
   finally:
-    if hasattr(signal, "SIGALRM"): signal.alarm(0)
+    if hasattr(signal, "alarm"): signal.alarm(0)
   return x[0], ret
 
 # workers should ignore ctrl c

tinygrad/renderer/cstyle.py

@@ -254,7 +254,7 @@ class MetalRenderer(CStyleLanguage):
   tensor_cores = [TensorCore(dims=(8,8,8),threads=[(0,2),(1,4),(0,2),(1,2)],expanded_shape=(2,2,2,2),upcast_axes=([(1,2)],[(1,2)],[(1,2)]),
     st1_pattern=(((1,1),(0,1),(1,0),(0,3)),((0,0),(0,2),(1,3),(1,2))),st2_pattern=(((0,0),(1,1),(1,2),(0,2),(1,0)),((0,1),(0,3),(1,3))),
     dtype_in=di,dtype_out=do,reduce_axes=[(0,8)]) for di,do in [(dtypes.float,dtypes.float),(dtypes.half,dtypes.float),(dtypes.half,dtypes.half)]]
-  def __init__(self): self.tensor_cores = MetalRenderer.tensor_cores if os.uname().machine == "arm64" else []
+  def __init__(self): self.tensor_cores = MetalRenderer.tensor_cores if hasattr(os, 'uname') and os.uname().machine == "arm64" else []
 
   # language options
   kernel_prefix = "kernel "

tinygrad/runtime/ops_amd.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 from typing import Tuple, List, Any
-import os, ctypes, ctypes.util, functools, pathlib, mmap, errno, time, array, contextlib, decimal
+import os, ctypes, ctypes.util, functools, pathlib, mmap, errno, time, array, contextlib, decimal, sys
+assert sys.platform != 'win32'
 from dataclasses import dataclass
 from tinygrad.runtime.support.hcq import HCQCompiled, HCQAllocator, HCQBuffer, HWComputeQueue, HWCopyQueue, HCQArgsState, HCQSignal, HCQProgram
 from tinygrad.device import BufferOptions

tinygrad/runtime/ops_disk.py

@@ -1,5 +1,5 @@
 from __future__ import annotations
-import os, sys, mmap, io, ctypes, ctypes.util, platform, contextlib
+import os, sys, mmap, io, ctypes, ctypes.util, contextlib
 from typing import Optional, Generator, Tuple, Callable, List
 from tinygrad.helpers import OSX, round_up
 from tinygrad.device import Compiled, Allocator
@@ -84,7 +84,7 @@ class DiskDevice(Compiled):
     filename = self.dname[len("disk:"):]
     self.size = size
 
-    if filename.startswith("shm:"):
+    if sys.platform != "win32" and filename.startswith("shm:"):
       fd = _posixshmem.shm_open("/"+filename[4:].lstrip("/"), os.O_RDWR, 0o600)
       self.mem = mmap.mmap(fd, self.size, mmap.MAP_SHARED | MAP_POPULATE | MAP_LOCKED)
       os.close(fd)
@@ -93,7 +93,7 @@ class DiskDevice(Compiled):
       except OSError: self.fd = os.open(filename, os.O_RDWR|os.O_CREAT)
       if os.fstat(self.fd).st_size < self.size: os.ftruncate(self.fd, self.size)
       self.mem = mmap.mmap(self.fd, self.size)
-    if (hp := getattr(mmap, "MADV_HUGEPAGE", None)) is not None:
+    if hasattr(self.mem, 'madvise') and (hp := getattr(mmap, "MADV_HUGEPAGE", None)) is not None:
       with contextlib.suppress(OSError): self.mem.madvise(hp) # some systems have transparent_hugepage disabled
   def _might_close(self):
     self.count -= 1
@@ -103,8 +103,7 @@ class DiskDevice(Compiled):
   def _iouring_setup(self):
     DiskDevice._tried_io_uring_init = True
 
-    if platform.system() != 'Linux' or hasattr(sys, "getandroidapilevel"): return
-
+    if sys.platform == 'linux' and not hasattr(sys, "getandroidapilevel"):
       fd = libc.syscall(io_uring.NR_io_uring_setup, 4096, ctypes.byref(p:=io_uring.struct_io_uring_params()))
       if fd < 0: return
 
@@ -115,7 +114,8 @@ class DiskDevice(Compiled):
                       mmap.PROT_READ | mmap.PROT_WRITE, mmap.MAP_SHARED | MAP_POPULATE, fd, io_uring.IORING_OFF_SQES)
 
       def u32ptr(val): return ctypes.cast(val, ctypes.POINTER(ctypes.c_uint32))
-    sqdesc = io_uring.struct_io_uring_sq(khead=u32ptr(sq_ptr+p.sq_off.head), ktail=u32ptr(sq_ptr+p.sq_off.tail), array=u32ptr(sq_ptr+p.sq_off.array),
+      sqdesc = io_uring.struct_io_uring_sq(khead=u32ptr(sq_ptr+p.sq_off.head), ktail=u32ptr(sq_ptr+p.sq_off.tail),
+                                           array=u32ptr(sq_ptr+p.sq_off.array),
         kring_mask=u32ptr(sq_ptr+p.sq_off.ring_mask), sqes=ctypes.cast(sqes, ctypes.POINTER(io_uring.struct_io_uring_sqe)))
 
       cqdesc = io_uring.struct_io_uring_cq(khead=u32ptr(cq_ptr+p.cq_off.head), ktail=u32ptr(cq_ptr+p.cq_off.tail),

tinygrad/runtime/ops_dsp.py

@@ -1,6 +1,7 @@
 from __future__ import annotations
 from typing import Tuple, Any
-import ctypes, os, mmap, tempfile, pathlib, array, functools, threading, contextlib
+import ctypes, os, mmap, tempfile, pathlib, array, functools, threading, contextlib, sys
+assert sys.platform != 'win32'
 from tinygrad.device import BufferOptions, Compiled, Allocator
 from tinygrad.helpers import from_mv, getenv, DEBUG, round_up, mv_address, to_mv, cpu_objdump
 from tinygrad.runtime.ops_clang import ClangCompiler

tinygrad/runtime/ops_nv.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
-import os, ctypes, contextlib, re, fcntl, functools, mmap, struct, array, decimal
+import os, ctypes, contextlib, re, fcntl, functools, mmap, struct, array, decimal, sys
+assert sys.platform != 'win32'
 from typing import Tuple, List, Any, cast, Union, Dict, Type
 from dataclasses import dataclass
 from tinygrad.runtime.support.hcq import HCQCompiled, HCQAllocator, HCQBuffer, HWCommandQueue, HWComputeQueue, HWCopyQueue, hcq_command

tinygrad/runtime/ops_qcom.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
-import os, ctypes, functools, mmap, struct, array, decimal, math
+import os, ctypes, functools, mmap, struct, array, decimal, math, sys
+assert sys.platform != 'win32'
 from types import SimpleNamespace
 from typing import Tuple, List, Any, cast
 from tinygrad.device import BufferOptions