llvm-project/mlir/test/mlir-cpu-runner
Eugene Zhulenev f99ccf6516 [mlir] Add math polynomial approximation pass
This gives ~30x speedup compared to expanding Tanh into exp operations:

```
name                  old cpu/op  new cpu/op  delta
BM_mlir_Tanh_f32/10    253ns ± 3%    55ns ± 7%  -78.35%  (p=0.000 n=44+41)
BM_mlir_Tanh_f32/100  2.21µs ± 4%  0.14µs ± 8%  -93.85%  (p=0.000 n=48+49)
BM_mlir_Tanh_f32/1k   22.6µs ± 4%   0.7µs ± 5%  -96.68%  (p=0.000 n=32+42)
BM_mlir_Tanh_f32/10k   225µs ± 5%     7µs ± 6%  -96.88%  (p=0.000 n=49+55)

name                  old time/op             new time/op             delta
BM_mlir_Tanh_f32/10    259ns ± 1%               56ns ± 2%  -78.31%        (p=0.000 n=41+39)
BM_mlir_Tanh_f32/100  2.27µs ± 1%             0.14µs ± 5%  -93.89%        (p=0.000 n=46+49)
BM_mlir_Tanh_f32/1k   22.9µs ± 1%              0.8µs ± 4%  -96.67%        (p=0.000 n=30+42)
BM_mlir_Tanh_f32/10k   230µs ± 0%                7µs ± 3%  -96.88%        (p=0.000 n=37+55)
```

This approximations is based on Eigen::generic_fast_tanh function

Reviewed By: mehdi_amini

Differential Revision: https://reviews.llvm.org/D96739
2021-02-19 12:43:36 -08:00
..
async-group.mlir [mlir] Async: add a separate pass to lower from async to async.coro and async.runtime 2021-01-26 03:33:20 -08:00
async-value.mlir Revert "[MLIR] Create memref dialect and move several dialect-specific ops from std." 2021-02-18 12:49:52 +01:00
async.mlir Revert "[MLIR] Create memref dialect and move several dialect-specific ops from std." 2021-02-18 12:49:52 +01:00
bare_ptr_call_conv.mlir Revert "[MLIR] Create memref dialect and move several dialect-specific ops from std." 2021-02-18 12:49:52 +01:00
global_memref.mlir Revert "[MLIR] Create memref dialect and move several dialect-specific ops from std." 2021-02-18 12:49:52 +01:00
lit.local.cfg Fix `check-mlir` target when the host target isn't configured 2020-06-19 06:36:20 +00:00
math_polynomial_approx.mlir [mlir] Add math polynomial approximation pass 2021-02-19 12:43:36 -08:00
memref_reinterpret_cast.mlir Revert "[MLIR] Create memref dialect and move several dialect-specific ops from std." 2021-02-18 12:49:52 +01:00
memref_reshape.mlir Revert "[MLIR] Create memref dialect and move several dialect-specific ops from std." 2021-02-18 12:49:52 +01:00
sgemm_naive_codegen.mlir Revert "[MLIR] Create memref dialect and move several dialect-specific ops from std." 2021-02-18 12:49:52 +01:00
simple.mlir [mlir] replace LLVM dialect float types with built-ins 2021-01-08 17:38:12 +01:00
unranked_memref.mlir Revert "[MLIR] Create memref dialect and move several dialect-specific ops from std." 2021-02-18 12:49:52 +01:00
utils.mlir Revert "[MLIR] Create memref dialect and move several dialect-specific ops from std." 2021-02-18 12:49:52 +01:00