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authorYong He <yonghe@outlook.com>2023-03-22 21:16:35 -0700
committerGitHub <noreply@github.com>2023-03-22 21:16:35 -0700
commit259a015feb9d4ab65e8fbba32f6c777e92780cc7 (patch)
tree45bd4cb9217325c67f5a27d8562b0e7e6b79bb77 /tests/autodiff-dstdlib
parentd4f99c8bac8b28f18c864a717d8833db6a1c872d (diff)
Type legalization and autodiff bug fixes. (#2722)
* Bug fixes. * Fix. * Only perform autodiff for functions whose derivative is actually used. * Fix loop optimize bug. * Fix high order diff. * Fix trivial diff func generation. * Fixes. * Cleanup. --------- Co-authored-by: Yong He <yhe@nvidia.com>
Diffstat (limited to 'tests/autodiff-dstdlib')
-rw-r--r--tests/autodiff-dstdlib/determinant.slang24
-rw-r--r--tests/autodiff-dstdlib/determinant.slang.expected.txt5
2 files changed, 29 insertions, 0 deletions
diff --git a/tests/autodiff-dstdlib/determinant.slang b/tests/autodiff-dstdlib/determinant.slang
new file mode 100644
index 000000000..d2e699551
--- /dev/null
+++ b/tests/autodiff-dstdlib/determinant.slang
@@ -0,0 +1,24 @@
+//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj -output-using-type
+//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -output-using-type
+
+//TEST_INPUT:ubuffer(data=[0 0 0 0], stride=4):out,name=outputBuffer
+RWStructuredBuffer<float> outputBuffer;
+
+[BackwardDifferentiable]
+float diffDeterminant(float2x2 x)
+{
+ return determinant(x);
+}
+
+[numthreads(1, 1, 1)]
+void computeMain(uint3 dispatchThreadID: SV_DispatchThreadID)
+{
+ {
+ var dpx = diffPair(float2x2(1.0, 2.0, 3.0, 4.0));
+ __bwd_diff(diffDeterminant)(dpx, 1.0);
+ outputBuffer[0] = dpx.d[0][0];
+ outputBuffer[1] = dpx.d[0][1];
+ outputBuffer[2] = dpx.d[1][0];
+ outputBuffer[3] = dpx.d[1][1];
+ }
+}
diff --git a/tests/autodiff-dstdlib/determinant.slang.expected.txt b/tests/autodiff-dstdlib/determinant.slang.expected.txt
new file mode 100644
index 000000000..b2c2f7e17
--- /dev/null
+++ b/tests/autodiff-dstdlib/determinant.slang.expected.txt
@@ -0,0 +1,5 @@
+type: float
+4.000000
+-3.000000
+-2.000000
+1.000000