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Revision | Author | Date | Message | Commit Date |
---|---|---|---|---|
b6a5b98 | Volodymyr Kysenko | 27 February 2024, 22:10:26 UTC | format | 27 February 2024, 22:10:26 UTC |
f497939 | Volodymyr Kysenko | 27 February 2024, 22:01:55 UTC | [Xtensa codegen] Specializations for load/store and fma support | 27 February 2024, 22:01:55 UTC |
85b6d7e | Steven Johnson | 27 February 2024, 01:57:39 UTC | Merge branch 'main' into xtensa-codegen | 27 February 2024, 01:57:39 UTC |
36d74a8 | Andrew Adams | 27 February 2024, 01:56:59 UTC | Rewrite the skip stages lowering pass (#8115) * Avoid redundant scope lookups This pattern has been bugging me for a long time: ``` if (scope.contains(key)) { Foo f = scope.get(key); } ``` This redundantly looks up the key in the scope twice. I've finally gotten around to fixing it. I've introduced a find method that either returns a const pointer to the value, if it exists, or null. It also searches any containing scopes, which are held by const pointer, so the method has to return a const pointer. ``` if (const Foo *f = scope.find(key)) { } ``` For cases where you want to get and then mutate, I added shallow_find, which doesn't search enclosing scopes, but returns a mutable pointer. We were also doing redundant scope lookups in ScopedBinding. We stored the key in the helper object, and then did a pop on that key in the ScopedBinding destructor. This commit changes Scope so that Scope::push returns an opaque token that you can pass to Scope::pop to have it remove that element without doing a fresh lookup. ScopedBinding now uses this. Under the hood it's just an iterator on the underlying map (map iterators are not invalidated on inserting or removing other stuff). The net effect is to speed up local laplacian lowering by about 5% I also considered making it look more like an stl class, and having find return an iterator, but it doesn't really work. The iterator it returns might point to an entry in an enclosing scope, in which case you can't compare it to the .end() method of the scope you have. Scopes are different enough from maps that the interface really needs to be distinct. * Pacify clang-tidy * Fix unintentional mutation of interval in scope * Fix accidental Scope::get * Rewrite the skip stages lowering pass Skip stages was slow due to crappy computational complexity (quadratic?) I reworked it into a two-pass linear-time algorithm. The first part remembers which pieces of IR are actually relevant to the task, and the second pass performs the task using a bounds-inference-like algorithm. On main resnet50 spends 519 ms in this pass. This commit reduces it to 40 ms. Local laplacian with 100 pyramid levels spends 7.4 seconds in this pass. This commit reduces it to ~3 ms. This commit also moves the cache store for memoized Funcs into the produce node, instead of at the top of the consume node, because it naturally places it inside a condition you inject into the produce node. * clang-tidy fixes * Fix skip stages interaction with compute_with * Unify let visitors, and use fewer stack frames for them * Fix accidental leakage of .used into .loaded * Visit the bodies of uninteresting let chains * Another used -> loaded * Fix hoist_storage not handling condition correctly. --------- Co-authored-by: Steven Johnson <srj@google.com> | 27 February 2024, 01:56:59 UTC |
2b5beb3 | Andrew Adams | 27 February 2024, 01:11:47 UTC | Fix hoist_storage not handling condition correctly. (#8123) The allocation condition wasn't getting relaxed over the scope and loop vars like the extents were. | 27 February 2024, 01:11:47 UTC |
3e59768 | Steven Johnson | 26 February 2024, 18:03:34 UTC | Merge branch 'main' into xtensa-codegen | 26 February 2024, 18:03:34 UTC |
aae84f6 | Andrew Adams | 26 February 2024, 17:56:17 UTC | Use a caching version of stmt_uses_vars in TightenProducerConsumer nodes (#8102) We were making a very large number stmt_uses_vars queries that covered the same sub-stmts. I solved it by adding a cache. Speeds up local laplacian lowering by 10% by basically removing this pass from the profile. Also a drive-by typo fix in Lower.cpp | 26 February 2024, 17:56:17 UTC |
91b3273 | Steven Johnson | 26 February 2024, 17:32:27 UTC | Merge branch 'main' into xtensa-codegen | 26 February 2024, 17:32:27 UTC |
4399ed8 | Zalman Stern | 23 February 2024, 04:07:47 UTC | Add Intel APX and AVX10 target flags and LLVM attribute setting. (#8052) * Add target flag and LLVM enables support for Intel AVX10. * Go ahead and add APX support as well. Correct spelling of APX target attributes. * Implement AVX10 and APX cpu feature detection. (As yet untested.) * Expand target feature flags for AVX10. --------- Co-authored-by: Steven Johnson <srj@google.com> | 23 February 2024, 04:07:47 UTC |
57164df | Andrew Adams | 22 February 2024, 18:52:54 UTC | Avoid redundant scope lookups (#8103) * Avoid redundant scope lookups This pattern has been bugging me for a long time: ``` if (scope.contains(key)) { Foo f = scope.get(key); } ``` This redundantly looks up the key in the scope twice. I've finally gotten around to fixing it. I've introduced a find method that either returns a const pointer to the value, if it exists, or null. It also searches any containing scopes, which are held by const pointer, so the method has to return a const pointer. ``` if (const Foo *f = scope.find(key)) { } ``` For cases where you want to get and then mutate, I added shallow_find, which doesn't search enclosing scopes, but returns a mutable pointer. We were also doing redundant scope lookups in ScopedBinding. We stored the key in the helper object, and then did a pop on that key in the ScopedBinding destructor. This commit changes Scope so that Scope::push returns an opaque token that you can pass to Scope::pop to have it remove that element without doing a fresh lookup. ScopedBinding now uses this. Under the hood it's just an iterator on the underlying map (map iterators are not invalidated on inserting or removing other stuff). The net effect is to speed up local laplacian lowering by about 5% I also considered making it look more like an stl class, and having find return an iterator, but it doesn't really work. The iterator it returns might point to an entry in an enclosing scope, in which case you can't compare it to the .end() method of the scope you have. Scopes are different enough from maps that the interface really needs to be distinct. | 22 February 2024, 18:52:54 UTC |
ef31bf9 | Andrew Adams | 22 February 2024, 17:13:43 UTC | Do less redundant work in UnpackBuffers (#8104) We were redundantly creating a handle Variable every time we encountered something like foo.stride.0, instead of just the first time we encounter a Variable that refers to an input Parameter/Buffer. Speeds up this already-fast lowering pass by 10% or so. No measurable impact on total lowering time. | 22 February 2024, 17:13:43 UTC |
4613217 | Andrew Adams | 22 February 2024, 17:13:15 UTC | Optionally print the time taken by each lowering pass (#8116) * Optionally print the time taken by each lowering pass I've been copy-pasting this from branch to branch, but I should just check it in. This is useful for performance optimization of the compiler itself. | 22 February 2024, 17:13:15 UTC |
c4d56c6 | Tarushii Goel | 19 February 2024, 22:46:15 UTC | Small Tutorial Fix (#8111) * Update lesson_17_predicated_rdom.cpp * Update lesson_17_predicated_rdom.cpp | 19 February 2024, 22:46:15 UTC |
15e80e9 | Misha Gutman | 19 February 2024, 18:50:10 UTC | [xtensa] Fixed halide_xtensa_interleave_f16 (#8109) | 19 February 2024, 18:50:10 UTC |
0e69339 | Misha Gutman | 19 February 2024, 17:07:54 UTC | [xtensa] added vector extracts for floats + moved float16 and int48 (#8108) [xtensa] added vector extracts for floats + moved float16_t and int48_t to prologue | 19 February 2024, 17:07:54 UTC |
72603c2 | Steven Johnson | 18 February 2024, 23:58:30 UTC | Merge branch 'main' into xtensa-codegen | 18 February 2024, 23:58:30 UTC |
4fc1e57 | Zalman Stern | 16 February 2024, 21:58:23 UTC | Fix an issue where the Halide compiler hits an internal error for bool types in widening intrinsics. (#8099) * Fix an issue where the Halide compiler hits an internal error when bool types are used with e.g. widening_mul. This situation did not arise from user code doing this directly, but rather through some chain o lowering with float16 types. The test cases added to correctness_intrinsics target the issue directly and do fail without the fix. I did not add broader coverage for bool types and intrinsics as it would require more thinking. Most of them overflow for the true/true case and thus are of questionable use, however widening operations cannot overflow... Certainly we could define the language to forbid this, but currently the frontend does not do so. As indicated above, the use case driving this was not using bool arithmetic to begin with. * Formatting. | 16 February 2024, 21:58:23 UTC |
d9668c5 | Steven Johnson | 15 February 2024, 17:57:16 UTC | Fix clang-tidy error in runtime.printer.h (parameter shadows member) (#8074) | 15 February 2024, 17:57:16 UTC |
2855ca3 | Andrew Adams | 15 February 2024, 17:06:36 UTC | Strip asserts right at the end of lowering (#8094) The simplifier exploits asserts to make simplification. When compiling with NoAsserts, certain assertions aren't ever introduced, which means that the simplifier can't exploit certain things that we know to be true. Mostly this has a negative effect on code size. E.g. tail cases get generated even though they are actually dead code. This PR keeps all the assertions right until the end of lowering, when it strips them in a dedicated pass. This reduces object file size for a large production blob of Halide code by ~10%, without measurably affecting runtime. | 15 February 2024, 17:06:36 UTC |
e6e1b6f | Alex Reinking | 15 February 2024, 01:58:55 UTC | Ensure string(REPLACE) is called with the right number of arguments (#8097) | 15 February 2024, 01:58:55 UTC |
9a740b5 | Derek Gerstmann | 14 February 2024, 22:41:51 UTC | [Vulkan] Region allocator fixes for memory requirements and allocations (#8087) * Add region allocator tests that check alignment, nearest_multiple and collect routines * Fix can_split() routine to use conformed sizes so that split allocation matches Fix region size accounting so that coalesce never has zero size regions to merge * Fix aligned_offset() routine to check for zero alignment (which means no constraint) * Fix ifdef for internal debugging * Clean up debug internal log messages * Use memory_requirements to determine nearest_multiple during initialization Query memory_requirements for each region, and reallocate if driver requires additional device memory * Formatting pass --------- Co-authored-by: Derek Gerstmann <dgerstmann@adobe.com> | 14 February 2024, 22:41:51 UTC |
b582561 | Andrew Adams | 14 February 2024, 21:57:09 UTC | Fix reduce_expr_modulo of vector in Solve.cpp (#8089) * Fix reduce_expr_modulo of vector in Solve.cpp * Fix test | 14 February 2024, 21:57:09 UTC |
b8d576f | Steven Johnson | 14 February 2024, 20:37:13 UTC | Merge branch 'main' into xtensa-codegen | 14 February 2024, 20:37:13 UTC |
f2d750f | Roman Lebedev | 14 February 2024, 20:35:52 UTC | tests: correctness/float16_t: mark `__extendhfsf2` with default visibility (#8084) ``` [2336/4154] /usr/bin/clang++-17 -DHALIDE_ENABLE_RTTI -DHALIDE_VERSION_MAJOR=17 -DHALIDE_VERSION_MINOR=0 -DHALIDE_VERSION_PATCH=0 -DHALIDE_WITH_EXCEPTIONS -I/build/halide-17.0.0/test/common -I/build/halide-17.0.0/tools -I/build/halide-17.0.0/build/stage-1/halide/include -g -fdebug-default-version=4 -fprofile-use=/build/halide-17.0.0/build-profile/default.profdata -fcs-profile-generate -Xclang -mllvm -Xclang -vp-counters-per-site=100.0 -fuse-ld=lld-17 -Wl,--build-id=sha1 -std=c++17 -flto=thin -fPIE -fvisibility=hidden -fvisibility-inlines-hidden -Winvalid-pch -Xclang -include-pch -Xclang /build/halide-17.0.0/build/stage-1/halide/test/CMakeFiles/_test_internal.dir/cmake_pch.hxx.pch -Xclang -include -Xclang /build/halide-17.0.0/build/stage-1/halide/test/CMakeFiles/_test_internal.dir/cmake_pch.hxx -MD -MT test/correctness/CMakeFiles/correctness_float16_t.dir/float16_t.cpp.o -MF test/correctness/CMakeFiles/correctness_float16_t.dir/float16_t.cpp.o.d -o test/correctness/CMakeFiles/correctness_float16_t.dir/float16_t.cpp.o -c /build/halide-17.0.0/test/correctness/float16_t.cpp <...> ld.lld-17: error: undefined hidden symbol: __extendhfsf2 >>> referenced by float16_t.cpp:391 (/build/halide-17.0.0/test/correctness/float16_t.cpp:391) >>> lto.tmp:(main) >>> did you mean: __extendbfsf2 >>> defined in: /lib/x86_64-linux-gnu/libgcc_s.so.1 clang++-17: error: linker command failed with exit code 1 (use -v to see invocation) ``` | 14 February 2024, 20:35:52 UTC |
6b2b35b | Steven Johnson | 14 February 2024, 20:35:15 UTC | Fix simd_op_check_xtensa (#8095) * Fix simd_op_check_xtensa * Update simd_op_check_xtensa.cpp | 14 February 2024, 20:35:15 UTC |
40a622f | Roman Lebedev | 14 February 2024, 20:34:23 UTC | clang does not support `_Float16` when targeting i386 (#8085) See https://github.com/halide/Halide/issues/7678 | 14 February 2024, 20:34:23 UTC |
6edea16 | Steven Johnson | 14 February 2024, 20:26:27 UTC | Allow disabling of mutlithreading in simd op check (#8096) simd_op_check_xtensa is not threadsafe at present | 14 February 2024, 20:26:27 UTC |
a732568 | Steven Johnson | 14 February 2024, 17:18:20 UTC | Merge branch 'main' into xtensa-codegen | 14 February 2024, 17:18:20 UTC |
c8f43f3 | Andrew Adams | 13 February 2024, 21:47:19 UTC | Parallelize some tests (#8078) * Parallelize some tests This reduces the time taken to run all correctness tests from 8:15 to 3:15 on my machine. * The FIXME is actually fine * Remove debug print * Fix when we're willing to run x86 code in simd_op_check * Use separate imageparams per task * Deep-copy the LoopLevels * Make float16_t neon op check test at least build * Revert accidental serialization * Throw return values from callable into the void We don't have a custom error handler in place, so they're always zero * Skip test under ASAN * Fix unintentional change to test | 13 February 2024, 21:47:19 UTC |
d8cfed6 | Andrew Adams | 13 February 2024, 21:47:09 UTC | Forward the partition methods from generator outputs (#8090) | 13 February 2024, 21:47:09 UTC |
ada6345 | Andrew Adams | 12 February 2024, 18:10:00 UTC | Fix rfactor adding too many pure loops (#8086) When you rfactor an update definition, the new update definition must use all the pure vars of the Func, even though the one you're rfactoring may not have used them all. We also want to preserve any scheduling already done to the pure vars, so we want to preserve the dims list and splits list from the original definition. The code accounted for this by checking the dims list for any missing pure vars and adding them at the end (just before Var::outermost()), but this didn't account for the fact that they may no longer exist in the dims list due to splits that didn't reuse the outer name. In these circumstances we could end up with too many pure loops. E.g. if x has been split into xo and xi, then the code was adding a loop for x even though there were already loops for xo and xi, which of course produces garbage output. This PR instead just checks which pure vars are actually used in the update definition up front, and then uses that to tell which ones should be added. Fixes #7890 | 12 February 2024, 18:10:00 UTC |
9c3615b | Andrew Adams | 11 February 2024, 18:41:01 UTC | Add checks to prevent people from using negative split factors (#8076) * Add checks to prevent people from using negative split factors Our analysis passes assume that loop maxes are greater than loop mins, so negative split factors cause sufficient havoc that not even output bounds queries are safe. These are therefore checked on pipeline entry. This is a new way for output bounds queries to throw errors (in addition to the buffer pointers themselves being null, and maybe some buffer constraints). Testing this, I realized these errors were getting thrown twice, because the output buffer bounds query in Pipeline::realize was built around two recursive calls to realize, and both were calling the custom error handler. In addition to reporting errors in this class twice, this implies several other inefficiencies, e.g. jit call args were being prepped twice. I reworked it to be built around two calls to call_jit_code instead. Fixes #7938 * Add test to cmakelists * Remove pointless target arg to call_jit_code It has to be the same as the cached target in the receiving object anyway | 11 February 2024, 18:41:01 UTC |
22581bf | Steven Johnson | 11 February 2024, 18:40:09 UTC | Remove OpenGLCompute (#8077) * Remove OpenGLCompute This was supposed to be removed in Halide 17 (oops), removing for Halide 18 * Update dynamic_allocation_in_gpu_kernel.cpp * Update dynamic_allocation_in_gpu_kernel.cpp * Update halide_ir.fbs | 11 February 2024, 18:40:09 UTC |
a3baa5d | James Price | 09 February 2024, 18:39:21 UTC | [WebGPU] Update to latest native headers (#8081) * [WebGPU] Update to latest native headers * Remove #ifdef for `requiredFeature[s]Count` * Pass nullptr to wgpuCreateInstance * Emscripten currently requires this * Dawn accepts it too * Use nullptr for another wgpuCreateInstance call | 09 February 2024, 18:39:21 UTC |
de8e39d | Steven Johnson | 09 February 2024, 16:55:00 UTC | Bump serialization version to 18.0.0 (#8080) * Bump serialization version to 18.0.0 As a matter of policy, we should probably bump the version of the serialization format for every version of Halide -- even if changes are minimal-to-nonexistent -- to reinforce the fact that this isn't intended in any way as a long-term archival format. This PR suggests that we bump the major version to match the main Halide version, but I'm open for other suggestions. * Update halide_ir.fbs | 09 February 2024, 16:55:00 UTC |
55dfa39 | Zalman Stern | 07 February 2024, 18:23:46 UTC | Add an easy way to print vectors in debug output. (#8072) * Add helper to print containers, or at least vectors, in debug info. * Add documentation comments. * Formatting. * Name change. | 07 February 2024, 18:23:46 UTC |
77fc71b | Steven Johnson | 07 February 2024, 18:10:25 UTC | Merge branch 'xtensa-codegen' of https://github.com/halide/Halide into xtensa-codegen | 07 February 2024, 18:10:25 UTC |
3285236 | Steven Johnson | 07 February 2024, 18:10:20 UTC | Merge branch 'main' into xtensa-codegen | 07 February 2024, 18:10:20 UTC |
ea03af7 | Misha Gutman | 07 February 2024, 18:09:41 UTC | [xtensa] Added int32<->float vector reinterprets (#8070) | 07 February 2024, 18:09:41 UTC |
39e5c08 | Andrew Adams | 07 February 2024, 17:49:06 UTC | Better validation of gpu schedules (#8068) * Update makefile to use test/common/terminate_handler.cpp This means we actually print error messages when using exceptions and the makefile * Better validate of GPU schedules GPU loop constraints were checked in two different places. Checking them in ScheduleFunctions was incorrect because it didn't consider update definitions and specializations. Checking them in FuseGPUThreadLoops was too late, because the Var names have gone (they've been renamed to things like __thread_id_x). Furthermore, some problems were internal errors or runtime errors when they should have been user errors. We allowed 4d thread and block dimensions, but then hit an internal error. This PR centralizes checking of GPU loop structure in CanonicalizeGPUVars and adds more helpful error messages that print the problematic loop structure. E.g: ``` Error: GPU thread loop over f$8.s0.v0 is inside three other GPU thread loops. The maximum number of nested GPU thread loops is 3. The loop nest is: compute_at for g$8: for g$8.s0.v7: for g$8.s0.v6: for g$8.s0.v5: for g$8.s0.v4: gpu_block g$8.s0.v3: gpu_block g$8.s0.v2: gpu_thread g$8.s0.v1: gpu_thread g$8.s0.v0: store_at for f$8: compute_at for f$8: gpu_thread f$8.s0.v1: gpu_thread f$8.s0.v0: ``` Fixes the bug found in #7946 * Delete dead code * Actually clear the ostringstream | 07 February 2024, 17:49:06 UTC |
37153a9 | Derek Gerstmann | 07 February 2024, 17:43:58 UTC | Fix bool conversion bug in Vulkan code generator (#8067) * Fix bug in Vulkan code generator that was incorrectly passing the address of a byte vector, instead of its contents to builder.declare_constant() * Add bool_predicate_cast correctness test to verify bool conversion for Vulkan codegen works as expected --------- Co-authored-by: Derek Gerstmann <dgerstmann@adobe.com> | 07 February 2024, 17:43:58 UTC |
78a0762 | Prasoon Mishra | 07 February 2024, 17:41:51 UTC | Add hexagon_benchmarks app for CMake builds (#8069) * Add hexagon_benchmarks app for CMake builds * Removed unnecessary -lc++abi flag from GCC build | 07 February 2024, 17:41:51 UTC |
84fe565 | Steven Johnson | 07 February 2024, 17:41:21 UTC | Outsmart the LLVM optimizer (#8073) The old definitions of bool_1, bool_2, bool_3 in simd_op_check_x86 (etc) all referred to the same entry in in_f32; as of https://github.com/llvm/llvm-project/pull/76367, the LLVM optimizer is smart enough to realize that (eg) bool1 != bool2 by construction, and optimizes away the code that tests their conditions, such as the one for andps and orps. Initing them from different locations is enough to outsmart the compiler. (bug was only noticed in the x86 test, but I updated the other tests to guard against future improvements there too.) | 07 February 2024, 17:41:21 UTC |
665804c | Steven Johnson | 06 February 2024, 23:34:29 UTC | Don't require Halide_WebGPU when using wasm (#8063) (#8065) * Don't require Halide_WebGPU when using wasm (#8063) * trigger buildbots | 06 February 2024, 23:34:29 UTC |
93bff95 | Teo | 06 February 2024, 23:34:02 UTC | add unsafe_promise_clamped (#8071) add unsafe_promise_clamp | 06 February 2024, 23:34:02 UTC |
feb0b93 | Misha Gutman | 06 February 2024, 19:22:14 UTC | [xtensa] Added int32 by int16 vector division + maintenance work (#8058) * [xtensa] Renamed SEL instructions to semantically correct * [xtensa] updated the types definitions in halide_xtensa_div32 * [xtensa] added int32 by int16 vector division * [xtensa] replaced convert int16->int32_x2->int16 to two interleavs for better efficiency | 06 February 2024, 19:22:14 UTC |
80e2081 | Andrew Adams | 05 February 2024, 22:25:05 UTC | Update makefile to use test/common/terminate_handler.cpp (#8066) This means we actually print error messages when using exceptions and the makefile | 05 February 2024, 22:25:05 UTC |
8c7d78c | Volodymyr Kysenko | 01 February 2024, 19:14:09 UTC | Fix warning | 01 February 2024, 19:14:09 UTC |
35e97c6 | Volodymyr Kysenko | 01 February 2024, 19:11:51 UTC | Merge branch 'main' into xtensa-codegen | 01 February 2024, 19:11:51 UTC |
f32f95e | Misha Gutman | 01 February 2024, 18:40:58 UTC | [xtensa] added vector load_predicated for f16 (#8057) | 01 February 2024, 18:40:58 UTC |
e2448fe | Andrew Adams | 01 February 2024, 17:46:10 UTC | Fix type error in VectorizeLoops (#8055) | 01 February 2024, 17:46:10 UTC |
9e17fc7 | Misha Gutman | 29 January 2024, 18:12:01 UTC | [xtensa] Added float16 interleaves (#8050) | 29 January 2024, 18:12:01 UTC |
47378ee | Steven Johnson | 29 January 2024, 01:28:13 UTC | Enable `bugprone-switch-missing-default-case` (#8048) * Upgrade clang-format and clang-tidy to use LLVM 17 * trigger buildbots * trigger buildbots * trigger buildbots * trigger buildbots * Enable `bugprone-switch-missing-default-case` ...and fix existing warnings. * Update .clang-tidy * Update Parameter.cpp * Update .clang-tidy * Update .clang-tidy * Update .clang-tidy * Update .clang-tidy * Update CPlusPlusMangle.cpp | 29 January 2024, 01:28:13 UTC |
4b2d211 | Steven Johnson | 27 January 2024, 00:33:24 UTC | Upgrade clang-format and clang-tidy to use LLVM 17 (#8042) * Upgrade clang-format and clang-tidy to use LLVM 17 * trigger buildbots * trigger buildbots * trigger buildbots * trigger buildbots | 27 January 2024, 00:33:24 UTC |
45d7850 | Andrew Adams | 26 January 2024, 20:01:41 UTC | Track whether or not let expressions failed to solve in solver (#7982) * Track whether or not let expressions failed to solve in solver After mutating an expression, the solver needs to know two things: 1) Did the expression contain the variable we're solving for 2) Was the expression successfully "solved" for the variable. I.e. the variable only appears once in the leftmost position. We need to know this to know property 1 of any subexpressions (i.e. does the right child of the expression contain the variable). This drives what transformations we do in ways that are guaranteed to terminate and not take exponential time. We were tracking property 1 through lets but not property 2, and this meant we were doing unhelpful transformations in some cases. I found a case in the wild where this made a pipeline take > 1 hour to compile (I killed it after an hour). It may have been in an infinite transformation loop, or it might have just been exponential. Not sure. * Remove surplus comma * Fix use of uninitialized value that could cause bad transformation | 26 January 2024, 20:01:41 UTC |
3657cf5 | Andrew Adams | 26 January 2024, 17:26:12 UTC | Fix bounds_of_nested_lanes (#8039) * Fix bounds_of_nested_lanes bounds_of_nested_lanes assumed that one layer of nested vectorization could be removed at a time. When faced with the expression: min(ramp(x8(a), x8(b), 5), x40(27)) It panicked, because on the left hand side it reduced the bounds to x8(a) ... x8(a) + x8(b) * 4, and on the right hand side it reduced the bounds to 27. It then attempted to take a min of mismatched types. In general we can't assume that binary operators on nested vectors have the same nesting structure on both sides, so I just rewrote it to reduce directly to a scalar. Fixes #8038 | 26 January 2024, 17:26:12 UTC |
4590a09 | Andrew Adams | 26 January 2024, 01:07:40 UTC | Fix for llvm trunk: Force-include more runtime types (#8045) * Fix for llvm trunk: Force-include more runtime types * Include the force-include-types module first * Fix comment * Expand comment | 26 January 2024, 01:07:40 UTC |
c1923f3 | Steven Johnson | 24 January 2024, 23:53:28 UTC | HALIDE_VERSION_MAJOR -> 18 (#8044) | 24 January 2024, 23:53:28 UTC |
6177e51 | Steven Johnson | 24 January 2024, 20:04:19 UTC | Update Halide version to 18 (#8043) | 24 January 2024, 20:04:19 UTC |
9b9dfaf | Andrew Adams | 24 January 2024, 19:12:17 UTC | Update Makefile for llvm 19 (#8040) | 24 January 2024, 19:12:17 UTC |
90e909d | Steven Johnson | 24 January 2024, 18:44:47 UTC | Allow LLVM 19 in CMake (#8041) | 24 January 2024, 18:44:47 UTC |
958037a | Misha Gutman | 23 January 2024, 17:19:16 UTC | [xtensa] Added efficient gather load to Q7 (#8026) Added efficient gather load to Q7 | 23 January 2024, 17:19:16 UTC |
e0e9f63 | Steven Johnson | 22 January 2024, 21:43:00 UTC | Tweak the Printer code in runtime for smaller code (#8023) * Tweak the Printer code in runtime for smaller code TL;DR: template expansion meant that we had more replicated code than expected from the inline expansion of code in Printer and friends. Restructured and added NEVER_INLINE to try to make the call sites as small as possible. It's a modest code-size savings but nonzero... e.g., the linux-x86-64 .o output from correct_cross_compilation drops from 164280 bytes to 162936 bytes. * Update printer.h * debug * Update HalideTestHelpers.cmake * Update printer.h * fixes | 22 January 2024, 21:43:00 UTC |
05d4412 | Volodymyr Kysenko | 19 January 2024, 23:33:25 UTC | Skip the double buffering for DMA if the allocation and compute is at the same level | 19 January 2024, 23:33:25 UTC |
4a3378f | Misha Gutman | 17 January 2024, 23:05:41 UTC | [xtensa] adjusted the tests to be launchable for Q8 (#8011) * [xtensa] adjusted the tests to be launchable for Q8 * Style fixes + C++-17 compliance | 17 January 2024, 23:05:41 UTC |
e5d4a57 | Steven Johnson | 17 January 2024, 23:05:20 UTC | Fix clang-tidy errors in InjectDmaTransfer (#8033) | 17 January 2024, 23:05:20 UTC |
a925471 | Steven Johnson | 17 January 2024, 19:28:50 UTC | Merge branch 'main' into xtensa-codegen | 17 January 2024, 19:28:50 UTC |
22f9bb9 | Steven Johnson | 17 January 2024, 16:26:43 UTC | Add test for #8029 (#8032) Tweak correctness_float16_t so that it uses one of the transcendal functions (sqrt) that were missing in Metal. | 17 January 2024, 16:26:43 UTC |
3a77204 | Steven Johnson | 17 January 2024, 15:35:07 UTC | Require LLVM >= 16.0 (#8003) * Require LLVM >= 16.0 Per policy, we only support top-of-tree LLVM, plus two versions back; let's update to require LLVM >= 16, and drop workarounds for older versions. * LLVM_VERSION < 170 | 17 January 2024, 15:35:07 UTC |
d2eed57 | Steven Johnson | 16 January 2024, 20:00:36 UTC | Fix build breakage for wasm targets (#8031) Update HalideTestHelpers.cmake | 16 January 2024, 20:00:36 UTC |
8d3c12e | Mike Woodworth | 16 January 2024, 18:55:53 UTC | adds mappings for f16 variants of halide float math (#8029) * adds mappings for f16 variants of halide float math * fix clang format errors * trigger buildbots --------- Co-authored-by: Steven Johnson <srj@google.com> | 16 January 2024, 18:55:53 UTC |
91b063d | Volodymyr Kysenko | 09 January 2024, 04:57:15 UTC | Stronger chain detection in LoopCarry pass (#8016) * Stronger chain detection in LoopCarry * Make sure that types are the same * Add a comment * Run CSE before calling can_prove * Test for loop carry * clang-tidy * Add missing override * Update comments | 09 January 2024, 04:57:15 UTC |
cdebeb8 | Tom Westerhout | 09 January 2024, 01:33:08 UTC | Fix -Wstrict-prototype warnings in HalideRuntime.h (#8027) When HalideRuntime.h is included in a C file, funtions that are declared with `()` instead of `(void)` for their arguments change meaning. These may cause issues downstream because different code is generated. | 09 January 2024, 01:33:08 UTC |
21accad | Steven Johnson | 04 January 2024, 17:04:34 UTC | Set warnings on tests as well as src (#8022) * Don't use variable-length arrays There was a rogue use of VLAs (an extension we don't want to use) in one of the runtime tests. Fixed the test. I'll follow up with a separate PR to ensure this warning is enabled everywhere to flush out other usages. * Set warnings on tests as well as src | 04 January 2024, 17:04:34 UTC |
daf011d | Steven Johnson | 04 January 2024, 17:04:18 UTC | Don't use variable-length arrays (#8021) There was a rogue use of VLAs (an extension we don't want to use) in one of the runtime tests. Fixed the test. I'll follow up with a separate PR to ensure this warning is enabled everywhere to flush out other usages. | 04 January 2024, 17:04:18 UTC |
b661c8d | Zalman Stern | 04 January 2024, 01:49:56 UTC | Quick fix for crash that is occurring in SVE2 tests. (#8020) Broken out into separate PR for ease of review and isolated test/tracking. | 04 January 2024, 01:49:56 UTC |
d2da007 | Steven Johnson | 03 January 2024, 20:05:37 UTC | Fix for top-of-tree LLVM (Fix #8017) (#8018) Fix for top-of-tree LLVM | 03 January 2024, 20:05:37 UTC |
846ac52 | Volodymyr Kysenko | 03 January 2024, 04:47:14 UTC | Schedule ahead DMA copy if ring_buffer is defined | 03 January 2024, 04:47:14 UTC |
b12448e | Volodymyr Kysenko | 03 January 2024, 03:48:15 UTC | Add runtime function to wait for specific dma transaction | 03 January 2024, 03:48:15 UTC |
76d8e37 | Volodymyr Kysenko | 03 January 2024, 02:55:48 UTC | Swap loop_carry and align_loads | 03 January 2024, 02:55:48 UTC |
e2a58dd | Volodymyr Kysenko | 03 January 2024, 02:51:44 UTC | Merge branch 'main' into xtensa-codegen | 03 January 2024, 02:51:44 UTC |
8024bdc | Volodymyr Kysenko | 02 January 2024, 22:52:53 UTC | Don't add ring_buffer semaphores if the function is not scheduled as async (#8015) Don't add ring_buffer semaphores if the function is not scheduled as asybc Co-authored-by: Steven Johnson <srj@google.com> | 02 January 2024, 22:52:53 UTC |
6f26b04 | Tyler Hou | 02 January 2024, 18:27:51 UTC | Change startswith -> starts_with (#8013) startswith was deprecated in llvm/lvm-project#75491, which means that Halide fails to compile using LLVM 18 (deprecation warning). | 02 January 2024, 18:27:51 UTC |
43df465 | Aelphy | 21 December 2023, 19:39:18 UTC | [xtensa] undo disabling of ConvertGatherLoadIndex | 21 December 2023, 19:39:18 UTC |
aec7d7b | Aelphy | 21 December 2023, 19:30:22 UTC | [xtensa] index cast to uint16 for gath_load is at least sometimes wrong | 21 December 2023, 19:30:22 UTC |
5212015 | Volodymyr Kysenko | 19 December 2023, 22:21:45 UTC | Formatting fixes | 19 December 2023, 22:21:45 UTC |
4306918 | Volodymyr Kysenko | 19 December 2023, 22:18:33 UTC | Merge branch 'main' into xtensa-codegen | 19 December 2023, 22:18:33 UTC |
61b8d38 | Volodymyr Kysenko | 19 December 2023, 22:14:05 UTC | Scheduling directive to support ring buffering (#7967) * Half-plumbed * Revert "Half-plumbed" This reverts commit eb9dd02c6c607f0b49c95258ae67f58fe583ff44. * Interface for double buffer * Update Provides, Calls and Realizes for double buffering * Proper sync for double buffering * Use proper name for the semaphor and use correct initial value * Rename the class * Pass expression for index * Adds storage for double buffering index * Use a separate index to go through the double buffer * Failing test * Better handling of hoisted storage in all of the async-related passes * New test and clean-up the generated IR * More tests * Allow double buffering without async and add corresponding test * Filter out incorrect double_buffer schedules * Add tests to the cmake files * Clean up * Update the comment * Clean up * Clean up * Update serialization * complete_x86_target() should enable F16C and FMA when AVX2 is present (#7971) All known AVX2-enabled architectures definitely have these features. * Add two new tail strategies for update definitions (#7949) * Add two new tail strategies for update definitions * Stop printing asm * Update expected number of partitions for Partition::Always * Add a comment explaining why the blend safety check is per dimension * Add serialization support for the new tail strategies * trigger buildbots * Add comment --------- Co-authored-by: Steven Johnson <srj@google.com> * Add appropriate mattrs for arm-32 extensions (#7978) * Add appropriate mattrs for arm-32 extensions Fixes #7976 * Pull clauses out of if * Move canonical version numbers into source, not build system (#7980) (#7981) * Move canonical version numbers into source, not build system (#7980) * Fixes * Silence useless "Insufficient parallelism" autoscheduler warning (#7990) * Add a notebook with a visualization of the aprrox_* functions and their errors (#7974) * Add a notebook with a visualization of the aprrox_* functions and their errors * Fix spelling error * Make narrowing float->int casts on wasm go via wider ints (#7973) Fixes #7972 * Fix handling of assert statements whose conditions get vectorized (#7989) * Fix handling of assert statements whose conditions get vectorized * Fix test name * Fix all "unscheduled update()" warnings in our code (#7991) * Fix all "unscheduled update()" warnings in our code And also fix the Mullapudi scheduler to explicitly touch all update stages. This allows us to mark this warning as an error if we so choose. * fixes * fixes * Update recursive_box_filters.cpp * Silence useless 'Outer dim vectorization of var' warning in Mullapudi… (#7992) Silence useless 'Outer dim vectorization of var' warning in Mullapudi scheduler * Add a tutorial for async and double_buffer * Renamed double_buffer to ring_buffer * ring_buffer() now expects an extent Expr * Actually use extent for ring_buffer() * Address some of the comments * Provide an example of the code structure for producer-consumer async example * Comments updates * Fix clang-format and clang-tidy * Add Python binding for Func::ring_buffer() * Don't use a separate index for ring buffer + add a new test * Rename the tests * Clean up the old name * Add & * Move test to the right folder * Move expr * Add comments for InjectRingBuffering * Improve ring_buffer doc * Fix comments * Comments * A better error message * Mention that extent is expected to be a positive integer * Add another code structure and explain how the indices for ring buffer are computed * Expand test comments * Fix spelling --------- Co-authored-by: Steven Johnson <srj@google.com> Co-authored-by: Andrew Adams <andrew.b.adams@gmail.com> | 19 December 2023, 22:14:05 UTC |
a20dbef | Volodymyr Kysenko | 15 December 2023, 21:20:37 UTC | Interleave functions for fp16 | 15 December 2023, 21:20:37 UTC |
7d83daf | Volodymyr Kysenko | 15 December 2023, 20:54:36 UTC | Merge branch 'main' into xtensa-codegen | 15 December 2023, 20:54:36 UTC |
6bcb695 | Steven Johnson | 15 December 2023, 00:27:56 UTC | Update Halide version in setup.py to 17.0.0 (#8010) | 15 December 2023, 00:27:56 UTC |
e1e4193 | Steven Johnson | 13 December 2023, 17:16:13 UTC | Merge branch 'main' into xtensa-codegen | 13 December 2023, 17:16:13 UTC |
6d29ad5 | Steven Johnson | 13 December 2023, 17:02:37 UTC | Add missing Python bindings for various recent additions to Func and Stage (#8002) * Add missing Python bindings for various recent additions to Func and Stage We have been sloppy about maintaining these. Also added a bit of testing. * Update PyEnums.cpp | 13 December 2023, 17:02:37 UTC |
b1dd8de | Steven Johnson | 13 December 2023, 00:12:59 UTC | Merge branch 'main' into xtensa-codegen | 13 December 2023, 00:12:59 UTC |
3d5cf40 | Martijn Courteaux | 12 December 2023, 17:50:56 UTC | Inject profiling for function calls to 'halide_copy_to_host' and 'halide_copy_to_device'. (#7913) * Inject profiling for function calls to 'halide_copy_to_host' and 'halide_copy_to_device'. * WIP: I get segfaults. The device_interface pointer is bogus. * Figured it out... * Allow global sync on d3d12. * Cleanly time all buffer copies as well. * Cleanup old comment. * Following Andrews suggestion for suffixing buffer copies in the profiler. * Sort the profiler report lines into three sections: funcs, buffer copy to device, and buffer copy to host. * Inject profiling for function calls to 'halide_copy_to_host' and 'halide_copy_to_device'. * WIP: I get segfaults. The device_interface pointer is bogus. * Figured it out... * Allow global sync on d3d12. * Cleanly time all buffer copies as well. * Cleanup old comment. * Following Andrews suggestion for suffixing buffer copies in the profiler. * Sort the profiler report lines into three sections: funcs, buffer copy to device, and buffer copy to host. * Attempt to fix output parsing. * Fix crash for copy_to_device * halide_device_sync_global(NULL) -> success * Fixed the buffer copy bug. Added a new test that will cause buffer copies in two directions within the compiled pipeline. This will catch this better in the future. Tweaked the profile report section header printing. * Clang-format, my dear friend... | 12 December 2023, 17:50:56 UTC |
2c48ba8 | Volodymyr Kysenko | 08 December 2023, 21:58:37 UTC | Fix boolean Or for q8 and add support of boolean Add and Not | 08 December 2023, 21:58:37 UTC |
d84e3a6 | Steven Johnson | 08 December 2023, 19:18:04 UTC | Merge branch 'main' into xtensa-codegen | 08 December 2023, 19:18:04 UTC |
357e646 | Steven Johnson | 08 December 2023, 19:17:30 UTC | Do some basic validation of Target Features (#7986) (#7987) * Do some basic validation of Target Features (#7986) * Update Target.cpp * Update Target.cpp * Fixes * Update Target.cpp * Improve error messaging. * format * Update Target.cpp | 08 December 2023, 19:17:30 UTC |
9c099c2 | Andrew Adams | 08 December 2023, 17:53:04 UTC | Teach unrolling to exploit conditions in enclosing ifs (#7969) * Teach unrolling to exploit conditions in enclosing ifs Fixes #7968 * Handle vectorization as well * Remove unused usings * Add missing print | 08 December 2023, 17:53:04 UTC |
9643518 | Steven Johnson | 08 December 2023, 17:50:32 UTC | Add join_strings() call and use it from mattrs() (#7997) * Add join_strings() call and use it from mattrs() This is a super-nit kind of fix, but the fact that we had rerolled a join-strings algo in a half-dozen places made my teeth hurt, so I decided to fix it: - Add join_strings() to Util.h - revise the mattrs() calls to use it instead of the janky mess they used This doesn't move the needle on code size or speed but it is less weird. Probably other places we could/should use this too. (Does C++20 have join/split strings in the std library yet? If not, why not?) * Update Util.h * Update Util.h * clang-tidy | 08 December 2023, 17:50:32 UTC |