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2023-04-11Implement FileCheck tests for several test commands (#2747)Ellie Hermaszewska
* Add missing expected.txt for test * Diagnostics -> StdWriters in render test * Allow specifying several test prefixes to run `slang-test -- tests/foo tests/bar` * Squash warnings in some tests * Enable gfx debug layer in gfx test util Makes this issue present consistently: https://github.com/shader-slang/slang/issues/2766 * Allow DebugDevice to return interfaces instantiated by the debugged object * Check that we actaully have a shader cache for shader cache tests * Implement FileCheck tests for several test commands - SIMPLE, SIMPLE_EX - SIMPLE_LINE - REFLECTION, CPU_REFLECTION - CROSS_COMPILE It does not currently support the render tests or the COMPARE_COMPUTE commands It is invoked by adding `(filecheck=MY_FILECHECK_PREFIX)` to the test command, for example TEST:CROSS_COMPILE(filecheck=SPIRV): -target spirv-assembly * Move LLVM FileCheck interface to slang-llvm * Neaten slang-test tests * Refine handling of expected output in slang-test * Add example FileCheck buffer test * Add cuda-kernel-export tests Which were waiting on FileCheck * Bump vs project files * Make createLLVMFileCheck_V1 return a void* rather than specifically an IFileCheck * Remove use of CharSlice from filecheck interface * Bump slang-llvm version --------- Co-authored-by: jsmall-nvidia <jsmall@nvidia.com>
2023-04-07Fix crash on overloaded custom derivative function (#2782)Sai Praveen Bangaru
* Fix issue with resolving overloaded custom forward derivative methods. * Add test
2023-04-05Register `IDifferentiable` witnesses for the differential associated types ↵Sai Praveen Bangaru
of registered types. (#2777) * Create high-order-forward-diff-struct.slang * Add a small pass to register differentials for differentials of registered types * Remove type reg pass and apply logic in differentiable type loading instead * Update slang-ir-autodiff.cpp * Fix comments. --------- Co-authored-by: Yong He <yonghe@outlook.com>
2023-04-02Fix several silently failing tests (#2767)Ellie Hermaszewska
* Add missing expected.txt for test * Diagnostics -> StdWriters in render test * Allow specifying several test prefixes to run `slang-test -- tests/foo tests/bar` * Squash warnings in some tests * Enable gfx debug layer in gfx test util Makes this issue present consistently: https://github.com/shader-slang/slang/issues/2766 * Allow DebugDevice to return interfaces instantiated by the debugged object * Check that we actaully have a shader cache for shader cache tests --------- Co-authored-by: Yong He <yonghe@outlook.com>
2023-03-29Update checkpoint policy to make obvious recompute decisions. (#2753)Yong He
* Update checkpoint policy to make obvious recompute decisions. Also adds an optimization to fold updateElement chains on the same array or struct into a single makeArray or makeStruct. * Bug fixes around array types with different int typed count. * change test. * Fix. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-03-28AD: Warped-Area-Sampling test works now. (#2742)Sai Praveen Bangaru
* Create render.slang * Added higher-order differentiability decorators for built-ins + preliminary tests * Update diff.meta.slang * Copy over conformance synthesis code to `DifferentiableTypeConformanceContext` * Update render.slang * Fixed 1D warped-area sampling test * Update warped-sampling-1d.slang * Remove commented line. * Change WAS test to use fixed point * Replaced InterlockedCmpExchange with InterlockedAdd * Increase fixed point precision * Reduce floating-point precision by 2 digits to avoid platform-specific problems * Dropped another digit (just to be safe) --------- Co-authored-by: Yong He <yonghe@outlook.com>
2023-03-27Translate all composed types into tuple types in pyBind. (#2744)Yong He
* Translate all composed types into tuple types in pyBind. * Delete temp file. * Fix get tuple element code emit logic. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-03-27Fix lowering crash in [BackwardDerivativeOf]. (#2737)Yong He
Co-authored-by: Yong He <yhe@nvidia.com>
2023-03-26Add PyTorch C++ binding generation. (#2734)Yong He
* Add PyTorch C++ binding generation. * fix --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-03-24Switch to short circuiting semantics for scalar `?:` operator. (#2733)Yong He
2023-03-24Added `[BackwardDifferentiable]` tags for intrinsic + builtin methods (#2732)Sai Praveen Bangaru
* Added higher-order differentiability decorators for built-ins + preliminary tests * Update diff.meta.slang
2023-03-24Fix nested bwdContextType lowering. (#2731)Yong He
Co-authored-by: Yong He <yhe@nvidia.com>
2023-03-23Fix various autodiff crashes related to interface usage. (#2730)Yong He
* Fix crash. * Fix `[ForwradDerivative]` on member functions. * Update comments. * Fix crash when [BackwardDerivative] is provided but not [ForwardDerivative]. * Allow calling dynamic dispatched generic method from differentiable func. * Fix. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-03-23AD: Fix type checking for higher-order custom derivatives definitions (#2729)Sai Praveen Bangaru
* Fixed type coercion issue with higher-order user defined methods * Placed associated type lookup method in a loop * Update high-order-user-defined-derivative.slang * Revert changes to associated type lookup method
2023-03-23Hack handling of primal insts that has a function type. (#2728)Yong He
* Update diff-bwd material test * Minor update * Hack handling of primal insts that has a function type. --------- Co-authored-by: winmad <winmad.wlf@gmail.com> Co-authored-by: Yong He <yhe@nvidia.com>
2023-03-22Create a simplified Falcor material system in slang test (#2721)winmad
* Duplicate an example of differentiating Falcor's material system * Add a second BSDF * WIP: update test; grad didn't pass through * Finalize test --------- Co-authored-by: Lifan Wu <lifanw@nvidia.com>
2023-03-21[TreatAsDifferentiable] functions. (#2720)Yong He
2023-03-21Fix associated type resolution bug. (#2719)Yong He
* Fix associated type resolution bug. * Fix. * Fix language server hinting messed up by breadcrumb nodes. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-03-17Add support for emitting cuda kernel and host functions. (#2712)Yong He
* Add support for emitting cuda kernel and host functions. * Update test. * Fix cuda preamble emit. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-03-16Fix Phi simplification bug. (#2710)Yong He
* Fix Phi simplification bug. * Fix up. * Fix. * Fix. * Fix. * Fix. * Fix. * Fix test. * Fix test. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-03-16Add `[CudaDeviceExport]` to allow exporting CUDA device functions. (#2708)Yong He
* Add `[CudaDeviceExport]` to allow exporting CUDA device functions. * Fix. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-03-16Add test case for `makeStruct` transcription. (#2705)Yong He
* Add test case for `makeStruct` transcription. * Update documentation on `no_diff`. * Update toc --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-03-15AD: Primal-Hoisting Rework + Checkpoint Policy Framework (#2702)Sai Praveen Bangaru
2023-03-15Properly implement differential witness of intermediate context type. (#2699)Yong He
* Properly implement differential witness of intermediate context type. * Modify test to include a loop. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-03-14Support `fwd_diff(bwd_diff(f))`. (#2697)Yong He
* Support `fwd_diff(bwd_diff(f))`. * Fix. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-03-13Support high order diff pattern: `bwd_diff(fwd_diff(f))`. (#2695)Yong He
* Support high order diff pattern: `bwd_diff(fwd_diff(f))`. * Fix. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-03-09Update restrictions sections in autodiff doc. (#2694)Yong He
* Update restrictions section in autodiff doc. * Update restrictions sections in autodiff doc. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-03-08Add support for `[PrimalSubstitute]` and `[PrimalSubstituteOf]`. (#2691)Yong He
* Add support for `[PrimalSubstitute]` and `[PrimalSubstituteOf]`. * Fix * Fix. * Cleanup. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-02-28AD: Fixed do-while loops (#2683)Sai Praveen Bangaru
* WIP: Fix for do-while loops * Added a somewhat hacky fix for do-while loops * Redid the indexed region map builder step to fix issue with the nested loops test * rename * Used managed pointers
2023-02-27Diagnose on storing differentiable value into non-differentiable location. ↵Yong He
(#2681)
2023-02-27More fixes for reverse-mode on complicated loops (#2675)Sai Praveen Bangaru
* Multiple fixes to get various loop tests to pass. * Create reverse-nested-loop.slang * Fix for variables becoming inaccessible during cfg normalization * Removed comments and moved break-branch-normalization to eliminateMultiLevelBreaks * Fix. * Override liveness tests
2023-02-27Detect and deduplicate read-only resource access. (#2680)Yong He
* Detect and deduplicate read-only resource access. * Fix tests. * Fix tests. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-02-24Added support for `kIROp_Select` (#2679)Sai Praveen Bangaru
2023-02-24Support dynamic dispatch a backward differentiable function. (#2678)Yong He
Co-authored-by: Yong He <yhe@nvidia.com>
2023-02-22Fixed hoisting of intermediate array & context vars (#2674)Sai Praveen Bangaru
Also added legalization for loops
2023-02-22Reverse-mode AD fixes for loops with non-trivial break region (#2671)Sai Praveen Bangaru
* Fix crash when applying autodiff to functions with no arguments * Fixes for loops where the break region is non-trivial * Minor fix * Implement array legalization correctly. * Fix array legalization. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-02-21Fix transposeCall. (#2669)Yong He
* Modify control-flow test case * Update reverse-control-flow-3.slang * Fix `transposeCall`. * Fix. --------- Co-authored-by: Sai Praveen Bangaru <31557731+saipraveenb25@users.noreply.github.com> Co-authored-by: Yong He <yhe@nvidia.com>
2023-02-21Added support for simple while loops (#2667)Sai Praveen Bangaru
* Added support for simple while loops * Fix support for while loops by changing logic to grab the loop update block
2023-02-20Miscellaneous backward autodiff fixes. (#2665)Yong He
* Fix differentiable type registration * Fix use of non-differentiable return value in a differentiable func. * Fix use of primal inst that does not dominate the diff block. * Fix primal inst hoisting, and add missing type legalization logic. * Make `detach` defined on all differentiable T. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-02-20Add static for loop iteration inference. (#2659)Yong He
2023-02-17Allocate N+1 arrays instead of N to avoid out-of-bounds access when ↵Sai Praveen Bangaru
unzipping loops (#2663)
2023-02-17AD: More legacy type handling cleanup + user-defined reverse-mode fix (#2662)Sai Praveen Bangaru
* WIP: Remove all legacy type checking * Fixed issue with user-defined backward derivatives not bypassing the AD process --------- Co-authored-by: Yong He <yonghe@outlook.com>
2023-02-17Fixed crash when lowering IR for no_diff struct member. (#2658)Yong He
* Fixed crash when lowering IR for no_diff struct member. * Improve `setInsertBeforeOrdinaryInst` and `setInsertAfterOrdinaryInst`. --------- Co-authored-by: Yong He <yhe@nvidia.com>
2023-02-17Cleaned up legacy differential type handling + type casting bugfixes (#2660)Sai Praveen Bangaru
2023-02-15Treat user defined backward derivative function as non differentiable. (#2650)Yong He
Co-authored-by: Yong He <yhe@nvidia.com>
2023-02-13Various auto-diff bug fixes. (#2646)Yong He
Co-authored-by: Yong He <yhe@nvidia.com>
2023-02-10Fix several autodiff bugs. (#2643)Yong He
2023-02-09Reverse-mode Loop Support (#2635)Sai Praveen Bangaru
* Full loop support now working. MaxItersAttr in progress * Lookup table updates? * Fixed the max iters decoration * Minox fixes & remove superfluous code * fixup warnings * Revert "Lookup table updates?" This reverts commit 7d9b0793fb5239f31d1155776e846dcf1892d8d9. * Update 07-autodiff.md * Change maxiters to MaxIters * Added asserts * Update 07-autodiff.md
2023-02-09Fixed derivatives for kIROp_Neg and kIROp_Div, added another test (#2639)Sai Praveen Bangaru
2023-02-07Add backward derivatives for functions in diff.meta.slang (#2633)winmad
* WIP: start adding backward derivatives * Overhaul `transposeParameterBlock` to support `inout` params. * Small bug fixes. * Bug fix on differentiable intrinsic specialization. * Fixes. * Run autodiff tests on CPU. * Clean up. * Overhaul `transposeParameterBlock` to support `inout` params. * Small bug fixes. * Bug fix on differentiable intrinsic specialization. * Fixes. * Run autodiff tests on CPU. * Clean up. * More bug fixes., * WIP: working on detach * Arithmetic simplifications and more IR clean up logic. * WIP: adding detach and abs * Fix detach and abs * Fix. * Add IR transform pass for cleaner code emit. * Fix test cases. * Fix type system logic for reference type. * Add backward derivatives for functions that already have forward derivatives * Fix changes --------- Co-authored-by: Yong He <yhe@nvidia.com> Co-authored-by: Lifan Wu <lifanw@nvidia.com>
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