diff options
Diffstat (limited to 'tests/autodiff')
6 files changed, 151 insertions, 0 deletions
diff --git a/tests/autodiff/reverse-continue-loop.slang b/tests/autodiff/reverse-continue-loop.slang new file mode 100644 index 000000000..0f9502673 --- /dev/null +++ b/tests/autodiff/reverse-continue-loop.slang @@ -0,0 +1,43 @@ +//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -output-using-type +//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj -output-using-type +//TEST(compute):COMPARE_COMPUTE_EX:-cpu -compute -output-using-type -shaderobj + +//TEST_INPUT:ubuffer(data=[0 0 0 0 0], stride=4):out,name=outputBuffer +RWStructuredBuffer<float> outputBuffer; + +typedef DifferentialPair<float> dpfloat; +typedef float.Differential dfloat; + +[BackwardDifferentiable] +float test_loop_with_continue(float y) +{ + float t = y; + + for (int i = 0; i < 3; i++) + { + if (t > 4.0) + continue; + + t = t * t; + } + + return t; +} + +[numthreads(1, 1, 1)] +void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID) +{ + { + dpfloat dpa = dpfloat(2.0, 0.0); + + __bwd_diff(test_loop_with_continue)(dpa, 1.0f); + outputBuffer[0] = dpa.d; // Expect: 32.0 + } + + { + dpfloat dpa = dpfloat(0.4, 0.0); + + __bwd_diff(test_loop_with_continue)(dpa, 1.0f); + outputBuffer[1] = dpa.d; // Expect: 0.0131072 + } +} diff --git a/tests/autodiff/reverse-continue-loop.slang.expected.txt b/tests/autodiff/reverse-continue-loop.slang.expected.txt new file mode 100644 index 000000000..17dbb061d --- /dev/null +++ b/tests/autodiff/reverse-continue-loop.slang.expected.txt @@ -0,0 +1,6 @@ +type: float +32.000000 +0.013107 +0.000000 +0.000000 +0.000000 diff --git a/tests/autodiff/reverse-hybrid-control-flow.slang b/tests/autodiff/reverse-hybrid-control-flow.slang new file mode 100644 index 000000000..9379df4cf --- /dev/null +++ b/tests/autodiff/reverse-hybrid-control-flow.slang @@ -0,0 +1,47 @@ +//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -output-using-type +//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj -output-using-type +//TEST(compute):COMPARE_COMPUTE_EX:-cpu -compute -output-using-type -shaderobj + +//TEST_INPUT:ubuffer(data=[0 0 0 0 0], stride=4):out,name=outputBuffer +RWStructuredBuffer<float> outputBuffer; + +typedef DifferentialPair<float> dpfloat; +typedef float.Differential dfloat; + +[BackwardDifferentiable] +float test_simple_loop(float y) +{ + float t = y; + + if (y > 0.5) + { + for (int i = 0; i < 3; i++) + { + t = t * t; + } + } + else + { + t = t * 10.f; + } + + return t; +} + +[numthreads(1, 1, 1)] +void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID) +{ + { + dpfloat dpa = dpfloat(1.0, 0.0); + + __bwd_diff(test_simple_loop)(dpa, 1.0f); + outputBuffer[0] = dpa.d; // Expect: 8.0 + } + + { + dpfloat dpa = dpfloat(0.4, 0.0); + + __bwd_diff(test_simple_loop)(dpa, 1.0f); + outputBuffer[1] = dpa.d; // Expect: 10.0 + } +} diff --git a/tests/autodiff/reverse-hybrid-control-flow.slang.expected.txt b/tests/autodiff/reverse-hybrid-control-flow.slang.expected.txt new file mode 100644 index 000000000..3cb76c394 --- /dev/null +++ b/tests/autodiff/reverse-hybrid-control-flow.slang.expected.txt @@ -0,0 +1,6 @@ +type: float +8.000000 +10.000000 +0.000000 +0.000000 +0.000000 diff --git a/tests/autodiff/reverse-nested-loop.slang b/tests/autodiff/reverse-nested-loop.slang new file mode 100644 index 000000000..08cde5230 --- /dev/null +++ b/tests/autodiff/reverse-nested-loop.slang @@ -0,0 +1,43 @@ +//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -output-using-type +//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj -output-using-type +//TEST(compute):COMPARE_COMPUTE_EX:-cpu -compute -output-using-type -shaderobj + +//TEST_INPUT:ubuffer(data=[0 0 0 0 0], stride=4):out,name=outputBuffer +RWStructuredBuffer<float> outputBuffer; + +typedef DifferentialPair<float> dpfloat; +typedef float.Differential dfloat; + +[BackwardDifferentiable] +float test_simple_nested_loop(float y) +{ + float t = y; + + for (int i = 0; i < 2; i++) + { + for (int j = 0; j < 2; j++) + { + t = t * (i + j + 1); + } + } + + return t; +} + +[numthreads(1, 1, 1)] +void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID) +{ + { + dpfloat dpa = dpfloat(1.0, 0.0); + + __bwd_diff(test_simple_nested_loop)(dpa, 1.0f); + outputBuffer[0] = dpa.d; // Expect: 12.0 * 1 + } + + { + dpfloat dpa = dpfloat(1.0, 0.0); + + __bwd_diff(test_simple_nested_loop)(dpa, 0.4f); + outputBuffer[1] = dpa.d; // Expect: 12 * 0.4 = 4.8 + } +} diff --git a/tests/autodiff/reverse-nested-loop.slang.expected.txt b/tests/autodiff/reverse-nested-loop.slang.expected.txt new file mode 100644 index 000000000..59c14cf1d --- /dev/null +++ b/tests/autodiff/reverse-nested-loop.slang.expected.txt @@ -0,0 +1,6 @@ +type: float +12.000000 +4.800000 +0.000000 +0.000000 +0.000000 |