diff options
| author | Viet-Hoa Do <viet-hoa.do@arm.com> | 2023-03-15 14:05:06 +0000 |
|---|---|---|
| committer | Viet-Hoa Do <viet-hoa.do@arm.com> | 2023-03-29 14:03:30 +0000 |
| commit | fd472f05dc73005a89a5e6275940ab5c9a609485 (patch) | |
| tree | 4a00f42f64f4bea72c489961aaa376665d324c60 /src/core/NEON | |
| parent | 5a7d1571a2de24eefc6f1d8d22deeef9f47521ee (diff) | |
| download | ComputeLibrary-fd472f05dc73005a89a5e6275940ab5c9a609485.tar.gz | |
Add quantized support for unary elementwise in CPU
* Add quantized unary elementwise in CPU using LUT.
* Widen the input data range of the test suite.
- Fix CPU exponential function overflow/underflow range.
- Fix saturation issue of CL round operator.
Resolves: COMPMID-5763
Signed-off-by: Viet-Hoa Do <viet-hoa.do@arm.com>
Change-Id: I41445de2b4a33ec6b01e0ab701516c240c852d0b
Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/9367
Tested-by: Arm Jenkins <bsgcomp@arm.com>
Reviewed-by: Jakub Sujak <jakub.sujak@arm.com>
Reviewed-by: Pablo Marquez Tello <pablo.tello@arm.com>
Comments-Addressed: Arm Jenkins <bsgcomp@arm.com>
Benchmark: Arm Jenkins <bsgcomp@arm.com>
Diffstat (limited to 'src/core/NEON')
| -rw-r--r-- | src/core/NEON/NEMath.inl | 6 | ||||
| -rw-r--r-- | src/core/NEON/SVEMath.inl | 6 |
2 files changed, 6 insertions, 6 deletions
diff --git a/src/core/NEON/NEMath.inl b/src/core/NEON/NEMath.inl index 94bbc10ad8..8b2d1c3c37 100644 --- a/src/core/NEON/NEMath.inl +++ b/src/core/NEON/NEMath.inl @@ -1,5 +1,5 @@ /* - * Copyright (c) 2016-2022 Arm Limited. + * Copyright (c) 2016-2023 Arm Limited. * * SPDX-License-Identifier: MIT * @@ -158,9 +158,9 @@ inline float32x4_t vexpq_f32(float32x4_t x) const auto neg_ln2_lo = vreinterpretq_f32_u32(vdupq_n_u32(0xb5bfbe8e)); // -ln(2) from bits -20 to -42: -0x1.7f7d1cp-20f const auto inf = vdupq_n_f32(std::numeric_limits<float>::infinity()); - const auto max_input = vdupq_n_f32(88.7f); // Approximately ln(0x1.fffffep+127) + const auto max_input = vdupq_n_f32(88.37f); // Approximately ln(2^127.5) const auto zero = vdupq_n_f32(0.f); - const auto min_input = vdupq_n_f32(-86.6f); // Approximately ln(2^-125) + const auto min_input = vdupq_n_f32(-86.64f); // Approximately ln(2^-125) // Range reduction: // e^x = 2^n * e^r diff --git a/src/core/NEON/SVEMath.inl b/src/core/NEON/SVEMath.inl index 5f41e2138d..8973d0b273 100644 --- a/src/core/NEON/SVEMath.inl +++ b/src/core/NEON/SVEMath.inl @@ -1,5 +1,5 @@ /* - * Copyright (c) 2020-2022 Arm Limited. + * Copyright (c) 2020-2023 Arm Limited. * * SPDX-License-Identifier: MIT * @@ -96,9 +96,9 @@ inline svfloat32_t svexp_f32_z(svbool_t pg, svfloat32_t x) const auto neg_ln2_lo = svreinterpret_f32_u32(svdup_n_u32(0xb5bfbe8e)); // -ln(2) from bits -20 to -42: -0x1.7f7d1cp-20f const auto inf = svdup_n_f32(std::numeric_limits<float>::infinity()); - const auto max_input = svdup_n_f32(88.7f); // Approximately ln(0x1.fffffep+127) + const auto max_input = svdup_n_f32(88.37f); // Approximately ln(2^127.5) const auto zero = svdup_n_f32(0.f); - const auto min_input = svdup_n_f32(-86.6f); // Approximately ln(2^-125) + const auto min_input = svdup_n_f32(-86.64f); // Approximately ln(2^-125) // Range reduction: // e^x = 2^n * e^r |