[WIP] Support fancy iterators in cuda.parallel #2788

rwgk · 2024-11-13T00:34:13Z

Description

closes #2479

WORK IN PROGRESS

See #2479 for context.

…rators.py (with unit tests).

The other branch is: https://github.com/rwgk/cccl/tree/cuda_parallel_itertools

…el_itertools branch. The other branch is: https://github.com/rwgk/cccl/tree/cuda_parallel_itertools

…to see if numba can still compile it).

…t then fails with: Fatal Python error: Floating point exception

…resolves the Floating point exception (but the `cccl_device_reduce()` call still does not succeed)

LOOOK single_tile_kernel CALL /home/coder/cccl/c/parallel/src/reduce.cu:116 LOOOK EXCEPTION CUDA error: invalid argument /home/coder/cccl/c/parallel/src/reduce.cu:703

…rametrize: `use_numpy_array`: `[True, False]`, `input_generator`: `["constant", "counting", "arbitrary", "nested"]`

…iterators.py (because numba.cuda cannot JIT classes).

… `unary_op`, which is then compiled with `numba.cuda.compile()`

… the `"map_mul2"` test and the added `"map_add10_map_mul2"` test works, too.

…conflicts).

…s_iterators branch.

… does not support float16.

…ing.

github-actions · 2024-11-21T04:11:22Z

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…ncy with all other iterator types.

github-actions · 2024-11-21T08:12:34Z

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…ntingIterator. This fixes the counting_float32, counting_float64 tests.

github-actions · 2024-11-22T01:51:50Z

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…UMBA_TYPE, _DISTANCE_IR_TYPE. Resolve most TODOs.

… with int32.

… map_mul2_float32_int32 does not pass (commented out in this commit).

… _CHAR_PTR_IR_TYPE

…e_codegen()" This reverts commit b525b80.

…separately, or when running all tests in parallel (pytest -v -n 32).

…t_float64_float32_int16 tests. map_mul* tests are flaky,TBD why.

github-actions · 2024-11-23T02:21:56Z

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…, I cannot explain why/how).

github-actions · 2024-11-25T20:46:02Z

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rwgk added 30 commits October 15, 2024 14:13

New python/cuda_parallel/cuda/parallel/experimental/random_access_ite…

a28ef29

…rators.py (with unit tests).

Use TransformRAI to implement constant, counting, arbitrary RAIs.

d1c4816

Transfer num_item-related changes from cuda_parallel_itertools branch.

ad2cdab

The other branch is: https://github.com/rwgk/cccl/tree/cuda_parallel_itertools

Rename op to reduction_op in cccl_device_reduce_build()

93283a9

Transfer test_device_sum_repeat_1_equals_num_items() from cuda_parall…

7ccc155

…el_itertools branch. The other branch is: https://github.com/rwgk/cccl/tree/cuda_parallel_itertools

Add class _TransformRAIUnaryOp. Make constant_op() less trivial (…

1c7bb56

…to see if numba can still compile it).

Rename class _Op to _ReductionOp for clarity.

8621df1

WIP Use TransformRAIUnaryOp here

22eb5e7

INCOMPLETE SNAPSHOT

2635d56

This links the input_unary_op() successfully into the nvrtc cubin, bu…

3e7700a

…t then fails with: Fatal Python error: Floating point exception

passing _type_to_info_from_numba_type(numba.int32) as value_type …

5876b5d

…resolves the Floating point exception (but the `cccl_device_reduce()` call still does not succeed)

More debug output.

1fae4e2

LOOOK single_tile_kernel CALL /home/coder/cccl/c/parallel/src/reduce.cu:116 LOOOK EXCEPTION CUDA error: invalid argument /home/coder/cccl/c/parallel/src/reduce.cu:703

Substituting fake_in_ptr if in_ptr == nullptr: All tests pass.

46836bf

Rename new test function to test_device_sum_input_unary_op() and pa…

af982b3

…rametrize: `use_numpy_array`: `[True, False]`, `input_generator`: `["constant", "counting", "arbitrary", "nested"]`

Merge branch 'main' into python_random_access_iterators

4a25a65

Remove python/cuda_parallel/cuda/parallel/experimental/random_access_…

60a5bf3

…iterators.py (because numba.cuda cannot JIT classes).

Add "nested_global" test, but disable.

5ba7a0f

cu_repeat(), cu_count(), cu_arbitrary() functions that return a…

fa61574

… `unary_op`, which is then compiled with `numba.cuda.compile()`

Snapshot DOES NOT WORK, from 2024-10-20+1646

d40b913

Files copy-pasted from 2479 comment, then: notabs.py kernel.cpp main.py

1a4650b

Commands to build and run the POC.

d63adff

RawPointer(..., dtype)

9e24a06

assert_expected_output_array(, more_nested_map`

35c5946

Add @register_jitable to cu_repeat(), ..., cu_map(): this fixes…

faa555e

… the `"map_mul2"` test and the added `"map_add10_map_mul2"` test works, too.

Merge branch 'main' into georgii_poc_2479

5336003

Restore original c/parallel/src/reduce.cu (to avoid git merge main …

ae36d8a

…conflicts).

Merge branch 'main' into fancy_iterators

bb70bb6

Merge branch 'georgii_poc_2479' into fancy_iterators

8aea5b4

Transfer a few minor printf("\nLOOOK ...); from python_random_acces…

892eec1

…s_iterators branch.

clang-format auto-fixes

6b5f96d

rwgk added 3 commits November 20, 2024 18:04

Add constant_XXX tests. constant_float16 does not work because ctypes…

02b837c

… does not support float16.

Add counting_XXX tests. counting_float32,64 do not work, needs debugg…

e765127

…ing.

Merge branch 'main' into fancy_iterators

025e32d

rwgk added 2 commits November 20, 2024 23:19

Change cu_map() make_advance_codegen() distty to uint64, for consiste…

d62bf92

…ncy with all other iterator types.

Replace all cu_map() int32 with either it.ntype or op_return_ntype

5d2e19d

rwgk added 4 commits November 21, 2024 15:27

Fix ntype vs types.uint64 mixup for distance in ConstantIterator, Cou…

955f843

…ntingIterator. This fixes the counting_float32, counting_float64 tests.

Remove float16 code and tests. Not needed at this stage.

caefe6f

Fix trivial (but slightly confusing) typo.

de2643d

Remove unused host_address(self) methods.

31fc3d8

rwgk added 13 commits November 22, 2024 11:44

Introduce _DEVICE_POINTER_SIZE, _DEVICE_POINTER_BITWIDTH, _DISTANCE_N…

6c58342

…UMBA_TYPE, _DISTANCE_IR_TYPE. Resolve most TODOs.

Merge branch 'main' into fancy_iterators

136523c

Generalize map_mul2 test as map_mul2_int32_int32, but still only test…

4b46bfb

… with int32.

Add more map_mul2 tests that all pass with the production code as-is.…

3b5ad51

… map_mul2_float32_int32 does not pass (commented out in this commit).

Make cu_map() code more readable by introducing _CHAR_PTR_NUMBA_TYPE,…

91e370e

… _CHAR_PTR_IR_TYPE

Archiving debugging code including bug fix in make_dereference_codegen()

b525b80

Revert "Archiving debugging code including bug fix in make_dereferenc…

44e2852

…e_codegen()" This reverts commit b525b80.

FIX but does not work

ee8dce7

Add more map_mul2 tests. For unknown reasons these all pass when run …

a58ee7e

…separately, or when running all tests in parallel (pytest -v -n 32).

Add type information to cu_map() op abi_name.

f99938f

Simplify() helper function, reuse for compiling cu_map() op

c8bc9c8

Change map_mul2_xxx test names to map_mul2_count_xxx

3a232d8

Add map_mul3_map_mul2_count_int32_int32_int32, map_mul2_map_mul2_coun…

79a6dac

…t_float64_float32_int16 tests. map_mul* tests are flaky,TBD why.

rwgk force-pushed the fancy_iterators branch from 49aef45 to 79a6dac Compare November 23, 2024 01:59

rwgk added 2 commits November 25, 2024 10:34

Introduce op_caller() in cu_map(): this solves the test failures (TBH…

a765b74

…, I cannot explain why/how).

Merge branch 'main' into fancy_iterators

fac5f51

[WIP] Support fancy iterators in cuda.parallel #2788

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[WIP] Support fancy iterators in cuda.parallel #2788

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rwgk commented Nov 13, 2024

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github-actions bot commented Nov 21, 2024

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 9m 11s | Avg: 4m 35s | Max: 7m 12s

🟩 python: Pass: 100%/1 | Total: 19m 58s | Avg: 19m 58s | Max: 19m 58s

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🏃‍ Runner counts (total jobs: 3)

github-actions bot commented Nov 21, 2024

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 10m 35s | Avg: 5m 17s | Max: 8m 32s

🟩 python: Pass: 100%/1 | Total: 20m 33s | Avg: 20m 33s | Max: 20m 33s

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🏃‍ Runner counts (total jobs: 3)

github-actions bot commented Nov 22, 2024

🟨 cccl_c_parallel: Pass: 50%/2 | Total: 5m 59s | Avg: 2m 59s | Max: 3m 55s

🟩 python: Pass: 100%/1 | Total: 18m 38s | Avg: 18m 38s | Max: 18m 38s

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github-actions bot commented Nov 23, 2024

🟥 python: Pass: 0%/1 | Total: 19m 11s | Avg: 19m 11s | Max: 19m 11s

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 10m 07s | Avg: 5m 03s | Max: 7m 36s

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github-actions bot commented Nov 25, 2024

🟩 cccl_c_parallel: Pass: 100%/2 | Total: 10m 52s | Avg: 5m 26s | Max: 8m 32s

🟩 python: Pass: 100%/1 | Total: 19m 31s | Avg: 19m 31s | Max: 19m 31s

👃 Inspect Changes

Modifications in project?

Modifications in project or dependencies?

🏃‍ Runner counts (total jobs: 3)