i64 index def in build_defs #53769

kushanam · 2022-01-14T20:41:33Z

Enabling JIT indexing within the build pipeline.
This PR is continuation on the pull req: 53622.
CC: @frgossen :)

frgossen

Thanks, Kushan! Looks like you tamed bazel. The main change would be to target the jit_i64_indexed_for_large_tensors option and have i64 indexing only for large tensors.

frgossen · 2022-02-03T15:12:37Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

-    all_precomp_kernels = zip(types, output_types, false_jits)
+    false_use_i64_indices = [False for i in range(len(types))]
+    all_precomp_kernels = zip(
+        types, output_types, false_jits, false_use_i64_indices)
    all_kernels = all_precomp_kernels
    if if_mlir_generated_experimental_kernels_enabled(True, False):


This if statement was removed in I7cae80562ff3cd229724487be21c44e69c282b68. Can you rebase?

Merge artifact: if_mlir_generated_experimental_kernels_enabled should go away.

frgossen · 2022-02-03T16:08:20Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

@@ -360,7 +384,7 @@ def _gen_kernel_library(
            type = type,
            output_type = output_type,
        )
-        for (type, output_type, jit) in all_kernels
+        for (type, output_type, jit, index_64bit) in all_kernels
    ] + ["//tensorflow/compiler/mlir/tools/kernel_gen:tf_framework_c_interface"]



Should be jit_i64_indexed_for_large_tensors

Name changed

frgossen · 2022-02-03T16:09:19Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

+        len(jit_i64_indexed_for_large_tensors_types))]
+    all_jit_kernels = zip(jit_types, output_jit_types,
+                          true_jits, use_i64_indices_for_jit)
+    all_partial_jit_kernels = zip(jit_i64_indexed_for_large_tensors_types,


For consistency, maybe call this all_jit_i64_indexed_for_large_tensors_kernels

Name changed

frgossen · 2022-02-03T16:11:26Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

-        test_size = "medium"):
+        test_size = "medium",
+        jit_i64_indexed_for_large_tensors_types = None,
+        output_partial_jit_types = None,):


For consistency, maybe call it output_jit_i64_indexed_for_large_tensors_types

For consistency, the two names should be jit_i64_indexed_for_large_tensors_types and output_jit_i64_indexed_for_large_tensors_types.
This is analogous to jit_types and output_jit_types

frgossen · 2022-02-03T16:14:42Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

@@ -162,6 +162,7 @@ def _gen_kernel_bin_impl(ctx):
            "--output=%s" % gpu_bin.path,
            "--enable_ftz=%s" % (ctx.attr.data_type == "f32"),
            "--cpu_codegen=%s" % ctx.attr.cpu_codegen,
+            "--index_64bit=%s" % ctx.attr.index_64bit,


Here, we do not want to enforce i64 indexing for everything but only for large tensors. The right option to use here would be to use jit-i64-indexed-for-large-tensors, which may need to be added to the kernel generator CLI.

The argument is changed and also added to CLI

frgossen · 2022-02-03T16:15:34Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

@@ -195,6 +196,7 @@ _gen_kernel_bin_rule = rule(
        "gpu_archs": attr.string_list(),
        "jit": attr.bool(mandatory = False),
        "cpu_codegen": attr.bool(mandatory = False),
+        "index_64bit": attr.bool(mandatory = False),


This should also be something like jit_i64_indexed_for_large_tensors.

frgossen · 2022-02-03T16:17:12Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

@@ -260,6 +264,10 @@ def _gen_kernel_library(
      extra_args: Extra arguments to pass to the generator tool.
      test_tags: The tags to pass to the generated test.
      test_size: The "size" argument to pass to the test.
+      jit_i64_indexed_for_large_tensors_types: The type to apply to the Kernel's 


nit: The option is not very self-explanatory. I think a more detailed description could help people to understand this better.

frgossen · 2022-02-03T16:17:27Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

@@ -260,6 +264,10 @@ def _gen_kernel_library(
      extra_args: Extra arguments to pass to the generator tool.
      test_tags: The tags to pass to the generated test.
      test_size: The "size" argument to pass to the test.
+      jit_i64_indexed_for_large_tensors_types: The type to apply to the Kernel's 
+                                               indexing.
+      output_partial_jit_types: The output types for which a partial jit kernel should 


"Whether to" -> "The (input|output) types for which to enable..."

frgossen · 2022-02-03T16:18:38Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl


    if cuda_gpu_architectures() or rocm_gpu_architectures() or enable_cpu:
-        for (type, output_type, jit) in all_kernels:
+        for (type, output_type, jit, index_64bit) in all_kernels:


index_64bit should be something like jit_i64_indexed_for_large_tensors

frgossen

Thanks for renaming and adding the flag.

frgossen · 2022-02-04T20:40:48Z

tensorflow/compiler/mlir/tools/kernel_gen/kernel_creator.cc

@@ -389,7 +391,9 @@ Status LowerLoopsToGPUorCPU(mlir::ModuleOp module, bool embed_memref_prints,
  // Take launches to launches with kernels.
  if (!cpu_codegen) {
    const std::string gpuDataLayoutSpec =
-        "#dlti.dl_spec<#dlti.dl_entry<index,32:i32>>";
+        jit_i64_indexed_for_large_tensors


At this point, you enforce i64 indexing (independently of tensor size).
The better name would be index_64bit

name changed.

frgossen · 2022-02-04T20:41:08Z

tensorflow/compiler/mlir/tools/kernel_gen/kernel_creator.cc

@@ -529,7 +533,8 @@ StatusOr<mlir::OwningOpRef<mlir::ModuleOp>> GenerateKernelForTfCode(
                                      index_64bit, cpu_codegen,
                                      jit_i64_indexed_for_large_tensors));
    TF_RETURN_IF_ERROR(
-        LowerLoopsToGPUorCPU(module.get(), embed_memref_prints, cpu_codegen));
+        LowerLoopsToGPUorCPU(module.get(), embed_memref_prints, cpu_codegen, 
+                             jit_i64_indexed_for_large_tensors));


frgossen · 2022-02-04T20:45:06Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

-        test_size = "medium"):
+        test_size = "medium",
+        jit_i64_indexed_for_large_tensors_types = None,
+        output_partial_jit_types = None,):


For consistency, the two names should be jit_i64_indexed_for_large_tensors_types and output_jit_i64_indexed_for_large_tensors_types.
This is analogous to jit_types and output_jit_types

frgossen · 2022-02-04T20:46:04Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

@@ -260,6 +264,10 @@ def _gen_kernel_library(
      extra_args: Extra arguments to pass to the generator tool.
      test_tags: The tags to pass to the generated test.
      test_size: The "size" argument to pass to the test.
+      jit_i64_indexed_for_large_tensors_types: The type to apply to the Kernel's 
+                                               indexing.
+      output_partial_jit_types: The output types for which a partial jit kernel should 


"Whether to" -> "The (input|output) types for which to enable..."

frgossen · 2022-02-04T20:47:20Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

-    all_precomp_kernels = zip(types, output_types, false_jits)
+    false_use_i64_indices = [False for i in range(len(types))]
+    all_precomp_kernels = zip(
+        types, output_types, false_jits, false_use_i64_indices)
    all_kernels = all_precomp_kernels
    if if_mlir_generated_experimental_kernels_enabled(True, False):


Merge artifact: if_mlir_generated_experimental_kernels_enabled should go away.

frgossen · 2022-02-04T20:48:03Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

-    all_kernels = aot_kernels + jit_kernels
-
+    if not output_types:
+        output_types =  


Bazel will complain about this: The [] are missing

frgossen · 2022-02-04T20:51:56Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

+        jit_types = []
+    if not output_jit_types:
+        output_jit_types = jit_types
+    true_jits = [True for i in range(len(jit_types))]


Can you reorganize this code segment so that we collect the different kinds of kernels one after another? I think this could make it easier to read.

the AOT kernels

the fully JIT-compiled kernels

the partially JIT-compiled kernels

frgossen

Thanks, it's only small changes now. Let me know when it passes the tests locally and I can trigger the CI tests.

frgossen · 2022-02-07T15:48:49Z

tensorflow/compiler/mlir/tools/kernel_gen/tf_to_kernel.cc

@@ -189,6 +184,10 @@ int main(int argc, char** argv) {
      "unroll_factors",
      llvm::cl::desc("factors to unroll by, separated by commas"),
      llvm::cl::ZeroOrMore, llvm::cl::CommaSeparated);
+  llvm::cl::opt<bool> jit_compile(


jit_compile -> jit_i64_indexed_for_large_tensors

Does this compile?

frgossen · 2022-02-07T15:53:14Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

+      output_jit_i64_indexed_for_large_tensors_types: The (input|output) types for which to enable. 
+                                                      JIT compilation of i64-indexed kernels for 
+                                                      large inputs.
+      output_partial_jit_types: The output types for which a partial jit kernel should 


This is not what I meant. I should be two arguments here:

jit_i64_indexed_for_large_tensors_types: The input types for which to enable JIT compilation of i64-indexed kernels for large inputs.
output_jit_i64_indexed_for_large_tensors_types: The output types for which to enable JIT compilation of i64-indexed kernels for large inputs.

Aah, fixed that.

frgossen · 2022-02-07T15:54:43Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

+        output_jit_i64_indexed_for_large_tensors_types = []
+    if not output_partial_jit_types:
+        output_partial_jit_types = output_jit_i64_indexed_for_large_tensors_types
+    # ully JIT-compiled kernels


nit: ully -> Fully

frgossen · 2022-02-07T15:55:53Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

+        output_partial_jit_types = output_jit_i64_indexed_for_large_tensors_types
+    # ully JIT-compiled kernels
+    true_jits = [True for i in range(len(jit_types))]
+    use_i64_indices_for_jit = [False for i in jit_types]


use_i64_indices_for_jit may be a bit misleading. What about false_i64jits

Name changed.

frgossen · 2022-02-07T15:56:24Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

+    all_jit_kernels = zip(jit_types, output_jit_types,
+                          true_jits, use_i64_indices_for_jit)
+    # Partially JIT-compiled kernels
+    use_i64_indices_for_partial_jit = [True for i in


same: What about true_i64jits

name changed.

frgossen · 2022-02-07T15:57:32Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

+    # Partially JIT-compiled kernels
+    use_i64_indices_for_partial_jit = [True for i in
+        output_jit_i64_indexed_for_large_tensors_types]
+    true_partial_jits = [True for i in


Here, we want to pass False for the --jit flag because it is not fully JIT-compiled. You can call it false_jits.

set to False

frgossen · 2022-02-07T15:57:51Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

+        output_jit_i64_indexed_for_large_tensors_types]
+    true_partial_jits = [True for i in
+        output_jit_i64_indexed_for_large_tensors_types]
+    all_paaratial_jit_kernels = zip(output_jit_i64_indexed_for_large_tensors_types,


nit: paaratial -> paratial

frgossen

There's one left over

frgossen · 2022-02-07T20:29:35Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

@@ -284,16 +289,47 @@ def _gen_kernel_library(
      extra_args: Extra arguments to pass to the generator tool.
      test_tags: The tags to pass to the generated test.
      test_size: The "size" argument to pass to the test.
+      jit_i64_indexed_for_large_tensors_types: The (input|output) types for which to enable. 


There are some left overs here.

frgossen · 2022-02-08T20:20:43Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

+        test_size = "medium",
+        jit_i64_indexed_for_large_tensors_types = None,
+        output_jit_i64_indexed_for_large_tensors_types = None,
+        ):


nit: There is a redundant comma here.

frgossen · 2022-02-08T20:21:55Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

@@ -284,16 +289,43 @@ def _gen_kernel_library(
      extra_args: Extra arguments to pass to the generator tool.
      test_tags: The tags to pass to the generated test.
      test_size: The "size" argument to pass to the test.
+      jit_i64_indexed_for_large_tensors_types: The (input|output) types for which to enable. 


Concretize "(input|output)" here. Also, there is a redundant . in the line

frgossen · 2022-02-08T20:22:33Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

+      jit_i64_indexed_for_large_tensors_types: The (input|output) types for which to enable. 
+                                               JIT compilation of i64-indexed kernels for 
+                                               large inputs.
+      output_jit_i64_indexed_for_large_tensors_types: The output types for which a partial jit kernel should 


nit: ...for which to enable JIT compilation of i64-indexed kernels for large inputs.

jurahul · 2022-02-09T22:39:44Z

@frgossen can you look again?

frgossen

Nice!

frgossen · 2022-02-10T19:33:30Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

@@ -284,16 +289,44 @@ def _gen_kernel_library(
      extra_args: Extra arguments to pass to the generator tool.
      test_tags: The tags to pass to the generated test.
      test_size: The "size" argument to pass to the test.
+      jit_i64_indexed_for_large_tensors_types: The (input|output) types for which to enable


(input|output) -> input

frgossen

This could be the issue. Fingers crossed.

frgossen · 2022-02-15T19:46:51Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

-        test_size = "medium"):
+        test_size = "medium",
+        jit_i64_indexed_for_large_tensors_types = None,
+        output_jit_i64_indexed_for_large_tensors_types = None


Should these (jit_i64_indexed_for_large_tensors_types and output_jit_i64_indexed_for_large_tensors_types) be initialized to []?

frgossen · 2022-02-15T19:51:37Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

    """

    enable_cpu = bool(platform == "cpu")
-
-    aot_kernels = zip(types, output_types or types, [False for t in types])


This line and alike might be what is causing your current issue.

Before, there are things like output_types or types meaning it will use types if output_types is empty or None.
Now, you assign output_types = [] if they are not set, which is different from before.

frgossen · 2022-02-15T19:52:09Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

-    all_kernels = aot_kernels + jit_kernels
-
+    if not output_types:
+        output_types = []


Should be: if not output_types then output_types = types

frgossen · 2022-02-15T19:52:41Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

+    if not output_types:
+        output_types = []
+    if not jit_types:
+        jit_types = []


This one is redundant

frgossen · 2022-02-15T19:53:23Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

+    if not output_jit_types:
+        output_jit_types = jit_types
+    if not jit_i64_indexed_for_large_tensors_types:
+        jit_i64_indexed_for_large_tensors_types = []


Believe this one is redundant also. At least if you update the default to be [] (see comment above)

removed also.

frgossen · 2022-02-15T19:54:57Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

+    aot_kernels = zip(types, output_types, false_jits, false_jits)
+    all_kernels = aot_kernels
+    all_kernels += all_jit_kernels
+    all_kernels += all_paratial_jit_kernels


nit: This could probably go in one line: all_kernels = aot_kernels + all_jit_kernels + all_paratial_jit_kernels

Thank you Frederik, that actually fixed the ambiguous error message. However, seems like we have to decide between gpu_atanh_kernels and gpu_atanh_kernels_experimental. Bazel doesn't like them co-exist!

Error in _gen_mlir_op_rule: _gen_mlir_op_rule rule 'generate_atanh_gpu_f32_f32_mlir' in package 'tensorflow/core/kernels/mlir_generated' conflicts with existing _gen_mlir_op_rule rule, defined at /workspace/sw3/LLVM/tensorflow/tensorflow-source/tensorflow/core/kernels/mlir_generated/BUILD:791:19

However, we have conditioned the choice based on if_mlir_generated_experimental_kernels_enabled. What do you think?

Changed the naming contract, so hopefully it doesn't have any side effects.

frgossen

Maybe even include the {op} in all the names. It cannot hurt to have the names even more specific.

frgossen · 2022-02-15T22:10:40Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

    _gen_mlir_op_rule(
-        name = "generate_{op}_{platform}_{type}_{output_type}_mlir".format(
-            op = op,


Maybe even include the {op} in these names

frgossen · 2022-02-15T22:10:58Z

tensorflow/core/kernels/mlir_generated/build_defs.bzl

            platform = platform,
            type = type,
            output_type = output_type,
        ),
-        out = "{op}_{platform}_{type}_{output_type}.mlir".format(
-            op = op,


Maybe even include the {op} in these names

Roll back broken change. PiperOrigin-RevId: 433002716

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kushanam added 12 commits February 22, 2022 20:13

fix function description

5b9aea0

aligning text

dd32566

apply review changes 4

4e17c14

refactor var name

8323ecf

fix description text

b112dcb

refactor comma issue

5f85040

fix build_defs initialization issue

09363c7

change kernel naming contract

5b24872

apply buildifier formatting

cc8fd37

adding op string to op rule name

8669058

fix bazel indentation

8ce8a78

remove atanh bazel rule to post-fix pr

1b7db45

kushanam force-pushed the jit_indexing branch from ca617b0 to 1b7db45 Compare February 23, 2022 19:40

fix missing element

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i64 index def in build_defs #53769

i64 index def in build_defs #53769

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jurahul commented Feb 9, 2022

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kushanam Feb 15, 2022 •

edited