| Issue |
165294
|
| Summary |
[HLSL] Miscompilation of `Cast_int64_emulated_float64_native_256.*4D` DML shaders directly cause 12 operator test failures
|
| Labels |
miscompilation,
backend:DirectX,
HLSL
|
| Assignees |
|
| Reporter |
Icohedron
|
12 DML operator test failures consistent across devices with AMD and NVIDIA GPUs are confirmed to be caused by the following shaders:
```
Cast_uint64_emulated_float64_native_256_Packed4D
Cast_int64_emulated_float64_native_256_Packed4D
Cast_uint64_emulated_float64_native_256_Strided4D
Cast_int64_emulated_float64_native_256_Strided4D
```
Failing tests
```
OperatorTests::Cast#55
OperatorTests::Cast#350
OperatorTests::Cast#766
OperatorTests::Cast#790
OperatorTests::Cast#17
OperatorTests::Cast#424
OperatorTests::Cast#359
OperatorTests::Cast#253
OperatorTests::Cast#287
OperatorTests::Cast#543
OperatorTests::Cast#1012
OperatorTests::Cast#1035
```
## Sample Reproduction
```
> ./TE.exe DirectML.Test.OperatorTests.dll /name:"OperatorTests::Cast#55" /p:DisableMetacommands=1 /logOutput:low /p:GpuAdapterIndex=0
Test Authoring and Execution Framework v10.72 for x64
StartGroup: OperatorTests::Cast#55
Error: Output Tensor #0:
Error: Tensor Sizes: 1,3,3,3,3,3,3,3
Error: Tensor Data Type: float64
Error: Index: 0000 @00000000 [0,0,0,0,0,0,0,0]. Ref: 47.0000000000 (0x4047800000000000). DML: 67108911.0000000000 (0x41900000BC000000). Abs: 67108864.000000. Rel: 99.999930%. Ulp: 92464533003567104
Error: Index: 0001 @00000729 [0,0,0,0,0,0,0,1]. Ref: 101.0000000000 (0x4059400000000000). DML: 33554533.0000000000 (0x4180000328000000). Abs: 33554432.000000. Rel: 99.999699%. Ulp: 82964762941456384
Error: Index: 0002 @00001458 [0,0,0,0,0,0,0,2]. Ref: 120.0000000000 (0x405E000000000000). DML: 33554552.0000000000 (0x41800003C0000000). Abs: 33554432.000000. Rel: 99.999642%. Ulp: 81627759352217600
Error: Index: 0003 @00000243 [0,0,0,0,0,0,1,0]. Ref: 23.0000000000 (0x4037000000000000). DML: 134217751.0000000000 (0x41A000002E000000). Abs: 134217728.000000. Rel: 99.999983%. Ulp: 101612467364298752
Error: Index: 0004 @00000972 [0,0,0,0,0,0,1,1]. Ref: 92.0000000000 (0x4057000000000000). DML: 33554524.0000000000 (0x41800002E0000000). Abs: 33554432.000000. Rel: 99.999726%. Ulp: 83598080431095808
Error: Index: 0005 @00001701 [0,0,0,0,0,0,1,2]. Ref: 99.0000000000 (0x4058C00000000000). DML: 33554531.0000000000 (0x4180000318000000). Abs: 33554432.000000. Rel: 99.999705%. Ulp: 83105500161376256
Error: Index: 0006 @00000486 [0,0,0,0,0,0,2,0]. Ref: 76.0000000000 (0x4053000000000000). DML: 33554508.0000000000 (0x4180000260000000). Abs: 33554432.000000. Rel: 99.999774%. Ulp: 84723978190454784
Error: Index: 0007 @00001215 [0,0,0,0,0,0,2,1]. Ref: 75.0000000000 (0x4052C00000000000). DML: 33554507.0000000000 (0x4180000258000000). Abs: 33554432.000000. Rel: 99.999776%. Ulp: 84794346800414720
Error: Index: 0008 @00001944 [0,0,0,0,0,0,2,2]. Ref: 19.0000000000 (0x4033000000000000). DML: 134217747.0000000000 (0x41A0000026000000). Abs: 134217728.000000. Rel: 99.999986%. Ulp: 102738367136923648
Error: 2171 / 2187 (99.268404%) of elements were found to be above tolerance.
Error: Max ULP delta: 139611588450582528. Allowed tolerance: 0 ULPs (float64).
Error: Verify: Fail [File: C:\workspace\DirectML\SharedToolingLib\External\Test\TaefHelper\TaefHelper.cpp, Function: TaefHelper::Fail, Line: 133]
EndGroup: OperatorTests::Cast#55 [Failed]
Summary of Non-passing Tests:
OperatorTests::Cast#55 [Failed]
Summary: Total=1, Passed=0, Failed=1, Blocked=0, Not Run=0, Skipped=0
```
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