FIXES bytecodealliance#137: make calling wasm from python 7x faster

muayyad-alsadi · Apr 5, 2023 · 5bb5c39 · 5bb5c39
1 parent 8417fba
commit 5bb5c39
Show file tree

Hide file tree

Showing 3 changed files with 12 additions and 3 deletions.
diff --git a/examples/gcd_perf.py b/examples/gcd_perf.py
@@ -1,14 +1,19 @@
-import wasmtime.loader
 import time
 from math import gcd as math_gcd
 from gcd import gcd_func as wasm_gcd
 
+
 def python_gcd(x, y):
     while y:
         x, y = y, x % y
     return abs(x)
 
 
+a = 16516842
+b = 154654684
+
+print(math_gcd(a, b), python_gcd(a, b), wasm_gcd(a, b))
+
 N = 1_000
 by_name = locals()
 for name in "math_gcd", "python_gcd", "wasm_gcd":

diff --git a/examples/simd_i8x16.py b/examples/simd_i8x16.py
@@ -25,7 +25,9 @@
 
 instance = Instance(store, module, [])
 vector_type = ctypes.c_uint8 * 16
-add_v128_f: Func = instance.exports(store)["add_v128"]
+add_v128_f = instance.exports(store)["add_v128"]
+if not isinstance(add_v128_f, Func):
+    raise TypeError("expecting Func")
 add_v128 = partial(add_v128_f, store)
 a = vector_type(*(i for i in range(16)))
 b = vector_type(*(40 + i for i in range(16)))

diff --git a/tests/test_func.py b/tests/test_func.py
@@ -38,7 +38,9 @@ def test_simd_i8x16_add(self):
 
         instance = Instance(store, module, [])
         vector_type = ctypes.c_uint8 * 16
-        add_v128_f: Func = instance.exports(store)["add_v128"]
+        add_v128_f = instance.exports(store)["add_v128"]
+        if not isinstance(add_v128_f, Func):
+            raise TypeError("expecting Func")
         add_v128 = partial(add_v128_f, store)
         a = vector_type(*(i for i in range(16)))
         b = vector_type(*(40 + i for i in range(16)))