From 71efd949fa5276e2464416fcf237f8fd2c486281 Mon Sep 17 00:00:00 2001
From: Sai Praveen Bangaru <31557731+saipraveenb25@users.noreply.github.com>
Date: Wed, 15 Mar 2023 22:26:58 -0400
Subject: AD: Primal-Hoisting Rework + Checkpoint Policy Framework (#2702)

---
 tests/autodiff/reverse-control-flow-1.slang        | 42 +++++++++++++++++++
 .../reverse-control-flow-1.slang.expected.txt      |  6 +++
 tests/autodiff/reverse-control-flow.slang          | 42 -------------------
 .../reverse-control-flow.slang.expected.txt        |  6 ---
 tests/autodiff/reverse-inout-param-1.slang         | 47 ++++++++++++++++++++++
 .../reverse-inout-param-1.slang.expected.txt       |  6 +++
 tests/autodiff/reverse-inout-param.slang           | 47 ----------------------
 .../reverse-inout-param.slang.expected.txt         |  6 ---
 8 files changed, 101 insertions(+), 101 deletions(-)
 create mode 100644 tests/autodiff/reverse-control-flow-1.slang
 create mode 100644 tests/autodiff/reverse-control-flow-1.slang.expected.txt
 delete mode 100644 tests/autodiff/reverse-control-flow.slang
 delete mode 100644 tests/autodiff/reverse-control-flow.slang.expected.txt
 create mode 100644 tests/autodiff/reverse-inout-param-1.slang
 create mode 100644 tests/autodiff/reverse-inout-param-1.slang.expected.txt
 delete mode 100644 tests/autodiff/reverse-inout-param.slang
 delete mode 100644 tests/autodiff/reverse-inout-param.slang.expected.txt

(limited to 'tests')

diff --git a/tests/autodiff/reverse-control-flow-1.slang b/tests/autodiff/reverse-control-flow-1.slang
new file mode 100644
index 000000000..7d2f518be
--- /dev/null
+++ b/tests/autodiff/reverse-control-flow-1.slang
@@ -0,0 +1,42 @@
+//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -output-using-type
+//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj -output-using-type
+
+//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_single_branch(float y)
+{
+    float o;
+    if (y > 0.5)
+    {
+        o = y * 2.0f;
+    }
+    else
+    {
+        o = y + 1.0f;
+    }
+
+    return o;
+}
+
+[numthreads(1, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+    {
+        dpfloat dpa = dpfloat(1.0, 0.0);
+
+        __bwd_diff(test_single_branch)(dpa, 1.0f);
+        outputBuffer[0] = dpa.d; // Expect: 2.0
+    }
+
+    {
+        dpfloat dpa = dpfloat(0.4, 0.0);
+        
+        __bwd_diff(test_single_branch)(dpa, 1.0f);
+        outputBuffer[1] = dpa.d; // Expect: 1.0
+    }
+}
diff --git a/tests/autodiff/reverse-control-flow-1.slang.expected.txt b/tests/autodiff/reverse-control-flow-1.slang.expected.txt
new file mode 100644
index 000000000..86aa47f11
--- /dev/null
+++ b/tests/autodiff/reverse-control-flow-1.slang.expected.txt
@@ -0,0 +1,6 @@
+type: float
+2.000000
+1.000000
+0.000000
+0.000000
+0.000000
diff --git a/tests/autodiff/reverse-control-flow.slang b/tests/autodiff/reverse-control-flow.slang
deleted file mode 100644
index 7d2f518be..000000000
--- a/tests/autodiff/reverse-control-flow.slang
+++ /dev/null
@@ -1,42 +0,0 @@
-//TEST(compute):COMPARE_COMPUTE_EX:-slang -compute -shaderobj -output-using-type
-//TEST(compute, vulkan):COMPARE_COMPUTE_EX:-vk -compute -shaderobj -output-using-type
-
-//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_single_branch(float y)
-{
-    float o;
-    if (y > 0.5)
-    {
-        o = y * 2.0f;
-    }
-    else
-    {
-        o = y + 1.0f;
-    }
-
-    return o;
-}
-
-[numthreads(1, 1, 1)]
-void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
-{
-    {
-        dpfloat dpa = dpfloat(1.0, 0.0);
-
-        __bwd_diff(test_single_branch)(dpa, 1.0f);
-        outputBuffer[0] = dpa.d; // Expect: 2.0
-    }
-
-    {
-        dpfloat dpa = dpfloat(0.4, 0.0);
-        
-        __bwd_diff(test_single_branch)(dpa, 1.0f);
-        outputBuffer[1] = dpa.d; // Expect: 1.0
-    }
-}
diff --git a/tests/autodiff/reverse-control-flow.slang.expected.txt b/tests/autodiff/reverse-control-flow.slang.expected.txt
deleted file mode 100644
index 86aa47f11..000000000
--- a/tests/autodiff/reverse-control-flow.slang.expected.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-type: float
-2.000000
-1.000000
-0.000000
-0.000000
-0.000000
diff --git a/tests/autodiff/reverse-inout-param-1.slang b/tests/autodiff/reverse-inout-param-1.slang
new file mode 100644
index 000000000..de0d8f7ed
--- /dev/null
+++ b/tests/autodiff/reverse-inout-param-1.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;
+
+struct D : IDifferentiable
+{
+    float n;
+    float m;
+}
+
+[BackwardDifferentiable]
+void g(no_diff float p, inout float x)
+{
+    x = p * ((x+1)*(x+1));
+}
+
+[BackwardDifferentiable]
+void f(no_diff float p, inout float x)
+{
+    g(p, x);
+    g(p, x);
+}
+[BackwardDifferentiable]
+float f_ref(no_diff float p, float x)
+{
+    float y1 = p * (x+1)*(x+1);
+    float y2 = p * (y1+1)*(y1+1);
+    return y2;
+}
+
+[numthreads(1, 1, 1)]
+void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
+{
+    var x = diffPair(2.0, 1.0);
+
+    __bwd_diff(f)(3.0, x);
+
+    outputBuffer[0] = x.p; // should be 2, since bwd_diff does not write back new primal val.
+    outputBuffer[1] = x.d; // 3024
+
+    var refVal = __fwd_diff(f_ref)(3.0, diffPair(2.0, 1.0)).d;
+    outputBuffer[2] = refVal; // 3024
+
+}
diff --git a/tests/autodiff/reverse-inout-param-1.slang.expected.txt b/tests/autodiff/reverse-inout-param-1.slang.expected.txt
new file mode 100644
index 000000000..2df174e2f
--- /dev/null
+++ b/tests/autodiff/reverse-inout-param-1.slang.expected.txt
@@ -0,0 +1,6 @@
+type: float
+2.000000
+3024.000000
+3024.000000
+0.000000
+0.000000
diff --git a/tests/autodiff/reverse-inout-param.slang b/tests/autodiff/reverse-inout-param.slang
deleted file mode 100644
index de0d8f7ed..000000000
--- a/tests/autodiff/reverse-inout-param.slang
+++ /dev/null
@@ -1,47 +0,0 @@
-//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;
-
-struct D : IDifferentiable
-{
-    float n;
-    float m;
-}
-
-[BackwardDifferentiable]
-void g(no_diff float p, inout float x)
-{
-    x = p * ((x+1)*(x+1));
-}
-
-[BackwardDifferentiable]
-void f(no_diff float p, inout float x)
-{
-    g(p, x);
-    g(p, x);
-}
-[BackwardDifferentiable]
-float f_ref(no_diff float p, float x)
-{
-    float y1 = p * (x+1)*(x+1);
-    float y2 = p * (y1+1)*(y1+1);
-    return y2;
-}
-
-[numthreads(1, 1, 1)]
-void computeMain(uint3 dispatchThreadID : SV_DispatchThreadID)
-{
-    var x = diffPair(2.0, 1.0);
-
-    __bwd_diff(f)(3.0, x);
-
-    outputBuffer[0] = x.p; // should be 2, since bwd_diff does not write back new primal val.
-    outputBuffer[1] = x.d; // 3024
-
-    var refVal = __fwd_diff(f_ref)(3.0, diffPair(2.0, 1.0)).d;
-    outputBuffer[2] = refVal; // 3024
-
-}
diff --git a/tests/autodiff/reverse-inout-param.slang.expected.txt b/tests/autodiff/reverse-inout-param.slang.expected.txt
deleted file mode 100644
index 2df174e2f..000000000
--- a/tests/autodiff/reverse-inout-param.slang.expected.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-type: float
-2.000000
-3024.000000
-3024.000000
-0.000000
-0.000000
-- 
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