mirror of
https://github.com/opencv/opencv.git
synced 2025-08-05 22:19:14 +08:00
impl exp and log | add log perf test
Co-authored-by: Liutong HAN <liutong2020@iscas.ac.cn>
This commit is contained in:
GenshinImpactStarts
parent
12d182bf9e
commit
524d8ae01c
2
3rdparty/hal_rvv/hal_rvv.hpp
vendored
2
3rdparty/hal_rvv/hal_rvv.hpp
vendored
@ -32,6 +32,8 @@
|
||||
#include "hal_rvv_1p0/split.hpp" // core
|
||||
#include "hal_rvv_1p0/flip.hpp" // core
|
||||
#include "hal_rvv_1p0/lut.hpp" // core
|
||||
#include "hal_rvv_1p0/exp.hpp" // core
|
||||
#include "hal_rvv_1p0/log.hpp" // core
|
||||
#include "hal_rvv_1p0/lu.hpp" // core
|
||||
#include "hal_rvv_1p0/cholesky.hpp" // core
|
||||
#include "hal_rvv_1p0/qr.hpp" // core
|
||||
|
||||
201
3rdparty/hal_rvv/hal_rvv_1p0/exp.hpp
vendored
Normal file
201
3rdparty/hal_rvv/hal_rvv_1p0/exp.hpp
vendored
Normal file
@ -0,0 +1,201 @@
|
||||
// This file is part of OpenCV project.
|
||||
// It is subject to the license terms in the LICENSE file found in the top-level
|
||||
// directory of this distribution and at http://opencv.org/license.html.
|
||||
#pragma once
|
||||
|
||||
#include <riscv_vector.h>
|
||||
|
||||
namespace cv { namespace cv_hal_rvv {
|
||||
|
||||
#undef cv_hal_exp32f
|
||||
#define cv_hal_exp32f cv::cv_hal_rvv::exp32f
|
||||
#undef cv_hal_exp64f
|
||||
#define cv_hal_exp64f cv::cv_hal_rvv::exp64f
|
||||
|
||||
namespace detail {
|
||||
|
||||
static constexpr size_t exp_scale = 6;
|
||||
static constexpr size_t exp_tab_size = 1 << exp_scale;
|
||||
static constexpr size_t exp_mask = exp_tab_size - 1;
|
||||
|
||||
static constexpr double exp_prescale = 1.4426950408889634073599246810019 * (1 << exp_scale);
|
||||
static constexpr double exp_postscale = 1. / (1 << exp_scale);
|
||||
// log10(DBL_MAX) < 3000
|
||||
static constexpr double exp_max_val = (3000. * (1 << exp_scale)) / exp_prescale;
|
||||
static constexpr double exp_min_val = -exp_max_val;
|
||||
|
||||
static constexpr double exp32f_a0 = .9670371139572337719125840413672004409288e-2;
|
||||
static constexpr double exp32f_a1 = .5550339366753125211915322047004666939128e-1 / exp32f_a0;
|
||||
static constexpr double exp32f_a2 = .2402265109513301490103372422686535526573 / exp32f_a0;
|
||||
static constexpr double exp32f_a3 = .6931471805521448196800669615864773144641 / exp32f_a0;
|
||||
static constexpr double exp32f_a4 = 1.000000000000002438532970795181890933776 / exp32f_a0;
|
||||
|
||||
static constexpr double exp64f_a0 = .13369713757180123244806654839424e-2 / exp32f_a0;
|
||||
static constexpr double exp64f_a1 = .96180973140732918010002372686186e-2 / exp32f_a0;
|
||||
static constexpr double exp64f_a2 = .55504108793649567998466049042729e-1 / exp32f_a0;
|
||||
static constexpr double exp64f_a3 = .24022650695886477918181338054308 / exp32f_a0;
|
||||
static constexpr double exp64f_a4 = .69314718055994546743029643825322 / exp32f_a0;
|
||||
static constexpr double exp64f_a5 = .99999999999999999998285227504999 / exp32f_a0;
|
||||
|
||||
#define EXP_TAB_VALUE \
|
||||
{ \
|
||||
1.0 * exp32f_a0, \
|
||||
1.0108892860517004600204097905619 * exp32f_a0, \
|
||||
1.0218971486541166782344801347833 * exp32f_a0, \
|
||||
1.0330248790212284225001082839705 * exp32f_a0, \
|
||||
1.0442737824274138403219664787399 * exp32f_a0, \
|
||||
1.0556451783605571588083413251529 * exp32f_a0, \
|
||||
1.0671404006768236181695211209928 * exp32f_a0, \
|
||||
1.0787607977571197937406800374385 * exp32f_a0, \
|
||||
1.0905077326652576592070106557607 * exp32f_a0, \
|
||||
1.1023825833078409435564142094256 * exp32f_a0, \
|
||||
1.1143867425958925363088129569196 * exp32f_a0, \
|
||||
1.126521618608241899794798643787 * exp32f_a0, \
|
||||
1.1387886347566916537038302838415 * exp32f_a0, \
|
||||
1.151189229952982705817759635202 * exp32f_a0, \
|
||||
1.1637248587775775138135735990922 * exp32f_a0, \
|
||||
1.1763969916502812762846457284838 * exp32f_a0, \
|
||||
1.1892071150027210667174999705605 * exp32f_a0, \
|
||||
1.2021567314527031420963969574978 * exp32f_a0, \
|
||||
1.2152473599804688781165202513388 * exp32f_a0, \
|
||||
1.2284805361068700056940089577928 * exp32f_a0, \
|
||||
1.2418578120734840485936774687266 * exp32f_a0, \
|
||||
1.2553807570246910895793906574423 * exp32f_a0, \
|
||||
1.2690509571917332225544190810323 * exp32f_a0, \
|
||||
1.2828700160787782807266697810215 * exp32f_a0, \
|
||||
1.2968395546510096659337541177925 * exp32f_a0, \
|
||||
1.3109612115247643419229917863308 * exp32f_a0, \
|
||||
1.3252366431597412946295370954987 * exp32f_a0, \
|
||||
1.3396675240533030053600306697244 * exp32f_a0, \
|
||||
1.3542555469368927282980147401407 * exp32f_a0, \
|
||||
1.3690024229745906119296011329822 * exp32f_a0, \
|
||||
1.3839098819638319548726595272652 * exp32f_a0, \
|
||||
1.3989796725383111402095281367152 * exp32f_a0, \
|
||||
1.4142135623730950488016887242097 * exp32f_a0, \
|
||||
1.4296133383919700112350657782751 * exp32f_a0, \
|
||||
1.4451808069770466200370062414717 * exp32f_a0, \
|
||||
1.4609177941806469886513028903106 * exp32f_a0, \
|
||||
1.476826145939499311386907480374 * exp32f_a0, \
|
||||
1.4929077282912648492006435314867 * exp32f_a0, \
|
||||
1.5091644275934227397660195510332 * exp32f_a0, \
|
||||
1.5255981507445383068512536895169 * exp32f_a0, \
|
||||
1.5422108254079408236122918620907 * exp32f_a0, \
|
||||
1.5590044002378369670337280894749 * exp32f_a0, \
|
||||
1.5759808451078864864552701601819 * exp32f_a0, \
|
||||
1.5931421513422668979372486431191 * exp32f_a0, \
|
||||
1.6104903319492543081795206673574 * exp32f_a0, \
|
||||
1.628027421857347766848218522014 * exp32f_a0, \
|
||||
1.6457554781539648445187567247258 * exp32f_a0, \
|
||||
1.6636765803267364350463364569764 * exp32f_a0, \
|
||||
1.6817928305074290860622509524664 * exp32f_a0, \
|
||||
1.7001063537185234695013625734975 * exp32f_a0, \
|
||||
1.7186192981224779156293443764563 * exp32f_a0, \
|
||||
1.7373338352737062489942020818722 * exp32f_a0, \
|
||||
1.7562521603732994831121606193753 * exp32f_a0, \
|
||||
1.7753764925265212525505592001993 * exp32f_a0, \
|
||||
1.7947090750031071864277032421278 * exp32f_a0, \
|
||||
1.8142521755003987562498346003623 * exp32f_a0, \
|
||||
1.8340080864093424634870831895883 * exp32f_a0, \
|
||||
1.8539791250833855683924530703377 * exp32f_a0, \
|
||||
1.8741676341102999013299989499544 * exp32f_a0, \
|
||||
1.8945759815869656413402186534269 * exp32f_a0, \
|
||||
1.9152065613971472938726112702958 * exp32f_a0, \
|
||||
1.9360617934922944505980559045667 * exp32f_a0, \
|
||||
1.9571441241754002690183222516269 * exp32f_a0, \
|
||||
1.9784560263879509682582499181312 * exp32f_a0, \
|
||||
}
|
||||
|
||||
static constexpr float exp_tab_32f[exp_tab_size] = EXP_TAB_VALUE;
|
||||
static constexpr double exp_tab_64f[exp_tab_size] = EXP_TAB_VALUE;
|
||||
|
||||
#undef EXP_TAB_VALUE
|
||||
|
||||
} // namespace detail
|
||||
|
||||
inline int exp32f(const float* src, float* dst, int _len)
|
||||
{
|
||||
size_t vl = __riscv_vsetvlmax_e32m4();
|
||||
auto exp_a2 = __riscv_vfmv_v_f_f32m4(detail::exp32f_a2, vl);
|
||||
auto exp_a3 = __riscv_vfmv_v_f_f32m4(detail::exp32f_a3, vl);
|
||||
auto exp_a4 = __riscv_vfmv_v_f_f32m4(detail::exp32f_a4, vl);
|
||||
for (size_t len = _len; len > 0; len -= vl, src += vl, dst += vl)
|
||||
{
|
||||
vl = __riscv_vsetvl_e32m4(len);
|
||||
auto x0 = __riscv_vle32_v_f32m4(src, vl);
|
||||
|
||||
x0 = __riscv_vfmerge(x0, detail::exp_min_val, __riscv_vmflt(x0, detail::exp_min_val, vl), vl);
|
||||
x0 = __riscv_vfmerge(x0, detail::exp_max_val, __riscv_vmfgt(x0, detail::exp_max_val, vl), vl);
|
||||
x0 = __riscv_vfmul(x0, detail::exp_prescale, vl);
|
||||
|
||||
auto xi = __riscv_vfcvt_rtz_x_f_v_i32m4(x0, vl);
|
||||
x0 = __riscv_vfsub(x0, __riscv_vfcvt_f_x_v_f32m4(xi, vl), vl);
|
||||
x0 = __riscv_vfmul(x0, detail::exp_postscale, vl);
|
||||
|
||||
auto t = __riscv_vsra(xi, detail::exp_scale, vl);
|
||||
t = __riscv_vadd(t, 127, vl);
|
||||
t = __riscv_vmerge(t, 0, __riscv_vmslt(t, 0, vl), vl);
|
||||
t = __riscv_vand(t, 255, vl);
|
||||
auto buf = __riscv_vreinterpret_f32m4(__riscv_vsll(t, 23, vl));
|
||||
|
||||
auto _xi = __riscv_vreinterpret_u32m4(xi);
|
||||
_xi = __riscv_vsll(__riscv_vand(_xi, detail::exp_mask, vl), 2, vl);
|
||||
auto tab_v = __riscv_vluxei32(detail::exp_tab_32f, _xi, vl);
|
||||
|
||||
auto res = __riscv_vfmul(buf, tab_v, vl);
|
||||
auto xn = __riscv_vfadd(x0, detail::exp32f_a1, vl);
|
||||
xn = __riscv_vfmadd(xn, x0, exp_a2, vl);
|
||||
xn = __riscv_vfmadd(xn, x0, exp_a3, vl);
|
||||
xn = __riscv_vfmadd(xn, x0, exp_a4, vl);
|
||||
|
||||
res = __riscv_vfmul(res, xn, vl);
|
||||
__riscv_vse32(dst, res, vl);
|
||||
}
|
||||
|
||||
return CV_HAL_ERROR_OK;
|
||||
}
|
||||
|
||||
inline int exp64f(const double* src, double* dst, int _len)
|
||||
{
|
||||
size_t vl = __riscv_vsetvlmax_e64m4();
|
||||
// all vector registers are used up, so not load more constants
|
||||
auto exp_a3 = __riscv_vfmv_v_f_f64m4(detail::exp64f_a3, vl);
|
||||
auto exp_a4 = __riscv_vfmv_v_f_f64m4(detail::exp64f_a4, vl);
|
||||
auto exp_a5 = __riscv_vfmv_v_f_f64m4(detail::exp64f_a5, vl);
|
||||
for (size_t len = _len; len > 0; len -= vl, src += vl, dst += vl)
|
||||
{
|
||||
vl = __riscv_vsetvl_e64m4(len);
|
||||
auto x0 = __riscv_vle64_v_f64m4(src, vl);
|
||||
|
||||
x0 = __riscv_vfmerge(x0, detail::exp_min_val, __riscv_vmflt(x0, detail::exp_min_val, vl), vl);
|
||||
x0 = __riscv_vfmerge(x0, detail::exp_max_val, __riscv_vmfgt(x0, detail::exp_max_val, vl), vl);
|
||||
x0 = __riscv_vfmul(x0, detail::exp_prescale, vl);
|
||||
|
||||
auto xi = __riscv_vfcvt_rtz_x_f_v_i64m4(x0, vl);
|
||||
x0 = __riscv_vfsub(x0, __riscv_vfcvt_f_x_v_f64m4(xi, vl), vl);
|
||||
x0 = __riscv_vfmul(x0, detail::exp_postscale, vl);
|
||||
|
||||
auto t = __riscv_vsra(xi, detail::exp_scale, vl);
|
||||
t = __riscv_vadd(t, 1023, vl);
|
||||
t = __riscv_vmerge(t, 0, __riscv_vmslt(t, 0, vl), vl);
|
||||
t = __riscv_vand(t, 2047, vl);
|
||||
auto buf = __riscv_vreinterpret_f64m4(__riscv_vsll(t, 52, vl));
|
||||
|
||||
auto _xi = __riscv_vreinterpret_u64m4(xi);
|
||||
_xi = __riscv_vsll(__riscv_vand(_xi, detail::exp_mask, vl), 3, vl);
|
||||
auto tab_v = __riscv_vluxei64(detail::exp_tab_64f, _xi, vl);
|
||||
|
||||
auto res = __riscv_vfmul(buf, tab_v, vl);
|
||||
auto xn = __riscv_vfadd(__riscv_vfmul(x0, detail::exp64f_a0, vl), detail::exp64f_a1, vl);
|
||||
xn = __riscv_vfadd(__riscv_vfmul(x0, xn, vl), detail::exp64f_a2, vl);
|
||||
xn = __riscv_vfmadd(xn, x0, exp_a3, vl);
|
||||
xn = __riscv_vfmadd(xn, x0, exp_a4, vl);
|
||||
xn = __riscv_vfmadd(xn, x0, exp_a5, vl);
|
||||
|
||||
res = __riscv_vfmul(res, xn, vl);
|
||||
__riscv_vse64(dst, res, vl);
|
||||
}
|
||||
|
||||
return CV_HAL_ERROR_OK;
|
||||
}
|
||||
|
||||
}} // namespace cv::cv_hal_rvv
|
||||
381
3rdparty/hal_rvv/hal_rvv_1p0/log.hpp
vendored
Normal file
381
3rdparty/hal_rvv/hal_rvv_1p0/log.hpp
vendored
Normal file
@ -0,0 +1,381 @@
|
||||
// This file is part of OpenCV project.
|
||||
// It is subject to the license terms in the LICENSE file found in the top-level
|
||||
// directory of this distribution and at http://opencv.org/license.html.
|
||||
#pragma once
|
||||
|
||||
#include <riscv_vector.h>
|
||||
|
||||
namespace cv { namespace cv_hal_rvv {
|
||||
|
||||
#undef cv_hal_log32f
|
||||
#define cv_hal_log32f cv::cv_hal_rvv::log32f
|
||||
#undef cv_hal_log64f
|
||||
#define cv_hal_log64f cv::cv_hal_rvv::log64f
|
||||
|
||||
namespace detail {
|
||||
|
||||
static constexpr size_t log_scale = 8;
|
||||
static constexpr size_t log_tab_size = ((size_t)1 << log_scale) * 2;
|
||||
static constexpr size_t log_mask = log_tab_size - 2;
|
||||
|
||||
static constexpr double ln_2 = 0.69314718055994530941723212145818;
|
||||
|
||||
static constexpr size_t log32f_mask = ((size_t)1 << (23 - log_scale)) - 1;
|
||||
static constexpr double log32f_a0 = 0.3333333333333333333333333f;
|
||||
static constexpr double log32f_a1 = -0.5f;
|
||||
static constexpr double log32f_a2 = 1.f;
|
||||
|
||||
static constexpr size_t log64f_mask = ((size_t)1 << (52 - log_scale)) - 1;
|
||||
static constexpr double log64f_a0 = -0.125;
|
||||
static constexpr double log64f_a1 = 0.1428571428571428769682682968777953647077083587646484375;
|
||||
static constexpr double log64f_a2 = -0.1666666666666666574148081281236954964697360992431640625;
|
||||
static constexpr double log64f_a3 = 0.2;
|
||||
static constexpr double log64f_a4 = -0.25;
|
||||
static constexpr double log64f_a5 = 0.333333333333333314829616256247390992939472198486328125;
|
||||
static constexpr double log64f_a6 = -0.5;
|
||||
static constexpr double log64f_a7 = 1.0;
|
||||
|
||||
#define LOG_TAB_VALUE \
|
||||
{ \
|
||||
0.0000000000000000000000000000000000000000, 1.000000000000000000000000000000000000000, \
|
||||
.00389864041565732288852075271279318258166, .9961089494163424124513618677042801556420, \
|
||||
.00778214044205494809292034119607706088573, .9922480620155038759689922480620155038760, \
|
||||
.01165061721997527263705585198749759001657, .9884169884169884169884169884169884169884, \
|
||||
.01550418653596525274396267235488267033361, .9846153846153846153846153846153846153846, \
|
||||
.01934296284313093139406447562578250654042, .9808429118773946360153256704980842911877, \
|
||||
.02316705928153437593630670221500622574241, .9770992366412213740458015267175572519084, \
|
||||
.02697658769820207233514075539915211265906, .9733840304182509505703422053231939163498, \
|
||||
.03077165866675368732785500469617545604706, .9696969696969696969696969696969696969697, \
|
||||
.03455238150665972812758397481047722976656, .9660377358490566037735849056603773584906, \
|
||||
.03831886430213659461285757856785494368522, .9624060150375939849624060150375939849624, \
|
||||
.04207121392068705056921373852674150839447, .9588014981273408239700374531835205992509, \
|
||||
.04580953603129420126371940114040626212953, .9552238805970149253731343283582089552239, \
|
||||
.04953393512227662748292900118940451648088, .9516728624535315985130111524163568773234, \
|
||||
.05324451451881227759255210685296333394944, .9481481481481481481481481481481481481481, \
|
||||
.05694137640013842427411105973078520037234, .9446494464944649446494464944649446494465, \
|
||||
.06062462181643483993820353816772694699466, .9411764705882352941176470588235294117647, \
|
||||
.06429435070539725460836422143984236754475, .9377289377289377289377289377289377289377, \
|
||||
.06795066190850773679699159401934593915938, .9343065693430656934306569343065693430657, \
|
||||
.07159365318700880442825962290953611955044, .9309090909090909090909090909090909090909, \
|
||||
.07522342123758751775142172846244648098944, .9275362318840579710144927536231884057971, \
|
||||
.07884006170777602129362549021607264876369, .9241877256317689530685920577617328519856, \
|
||||
.08244366921107458556772229485432035289706, .9208633093525179856115107913669064748201, \
|
||||
.08603433734180314373940490213499288074675, .9175627240143369175627240143369175627240, \
|
||||
.08961215868968712416897659522874164395031, .9142857142857142857142857142857142857143, \
|
||||
.09317722485418328259854092721070628613231, .9110320284697508896797153024911032028470, \
|
||||
.09672962645855109897752299730200320482256, .9078014184397163120567375886524822695035, \
|
||||
.10026945316367513738597949668474029749630, .9045936395759717314487632508833922261484, \
|
||||
.10379679368164355934833764649738441221420, .9014084507042253521126760563380281690141, \
|
||||
.10731173578908805021914218968959175981580, .8982456140350877192982456140350877192982, \
|
||||
.11081436634029011301105782649756292812530, .8951048951048951048951048951048951048951, \
|
||||
.11430477128005862852422325204315711744130, .8919860627177700348432055749128919860627, \
|
||||
.11778303565638344185817487641543266363440, .8888888888888888888888888888888888888889, \
|
||||
.12124924363286967987640707633545389398930, .8858131487889273356401384083044982698962, \
|
||||
.12470347850095722663787967121606925502420, .8827586206896551724137931034482758620690, \
|
||||
.12814582269193003360996385708858724683530, .8797250859106529209621993127147766323024, \
|
||||
.13157635778871926146571524895989568904040, .8767123287671232876712328767123287671233, \
|
||||
.13499516453750481925766280255629681050780, .8737201365187713310580204778156996587031, \
|
||||
.13840232285911913123754857224412262439730, .8707482993197278911564625850340136054422, \
|
||||
.14179791186025733629172407290752744302150, .8677966101694915254237288135593220338983, \
|
||||
.14518200984449788903951628071808954700830, .8648648648648648648648648648648648648649, \
|
||||
.14855469432313711530824207329715136438610, .8619528619528619528619528619528619528620, \
|
||||
.15191604202584196858794030049466527998450, .8590604026845637583892617449664429530201, \
|
||||
.15526612891112392955683674244937719777230, .8561872909698996655518394648829431438127, \
|
||||
.15860503017663857283636730244325008243330, .8533333333333333333333333333333333333333, \
|
||||
.16193282026931324346641360989451641216880, .8504983388704318936877076411960132890365, \
|
||||
.16524957289530714521497145597095368430010, .8476821192052980132450331125827814569536, \
|
||||
.16855536102980664403538924034364754334090, .8448844884488448844884488448844884488449, \
|
||||
.17185025692665920060697715143760433420540, .8421052631578947368421052631578947368421, \
|
||||
.17513433212784912385018287750426679849630, .8393442622950819672131147540983606557377, \
|
||||
.17840765747281828179637841458315961062910, .8366013071895424836601307189542483660131, \
|
||||
.18167030310763465639212199675966985523700, .8338762214983713355048859934853420195440, \
|
||||
.18492233849401198964024217730184318497780, .8311688311688311688311688311688311688312, \
|
||||
.18816383241818296356839823602058459073300, .8284789644012944983818770226537216828479, \
|
||||
.19139485299962943898322009772527962923050, .8258064516129032258064516129032258064516, \
|
||||
.19461546769967164038916962454095482826240, .8231511254019292604501607717041800643087, \
|
||||
.19782574332991986754137769821682013571260, .8205128205128205128205128205128205128205, \
|
||||
.20102574606059073203390141770796617493040, .8178913738019169329073482428115015974441, \
|
||||
.20421554142869088876999228432396193966280, .8152866242038216560509554140127388535032, \
|
||||
.20739519434607056602715147164417430758480, .8126984126984126984126984126984126984127, \
|
||||
.21056476910734961416338251183333341032260, .8101265822784810126582278481012658227848, \
|
||||
.21372432939771812687723695489694364368910, .8075709779179810725552050473186119873817, \
|
||||
.21687393830061435506806333251006435602900, .8050314465408805031446540880503144654088, \
|
||||
.22001365830528207823135744547471404075630, .8025078369905956112852664576802507836991, \
|
||||
.22314355131420973710199007200571941211830, .8000000000000000000000000000000000000000, \
|
||||
.22626367865045338145790765338460914790630, .7975077881619937694704049844236760124611, \
|
||||
.22937410106484582006380890106811420992010, .7950310559006211180124223602484472049689, \
|
||||
.23247487874309405442296849741978803649550, .7925696594427244582043343653250773993808, \
|
||||
.23556607131276688371634975283086532726890, .7901234567901234567901234567901234567901, \
|
||||
.23864773785017498464178231643018079921600, .7876923076923076923076923076923076923077, \
|
||||
.24171993688714515924331749374687206000090, .7852760736196319018404907975460122699387, \
|
||||
.24478272641769091566565919038112042471760, .7828746177370030581039755351681957186544, \
|
||||
.24783616390458124145723672882013488560910, .7804878048780487804878048780487804878049, \
|
||||
.25088030628580937353433455427875742316250, .7781155015197568389057750759878419452888, \
|
||||
.25391520998096339667426946107298135757450, .7757575757575757575757575757575757575758, \
|
||||
.25694093089750041913887912414793390780680, .7734138972809667673716012084592145015106, \
|
||||
.25995752443692604627401010475296061486000, .7710843373493975903614457831325301204819, \
|
||||
.26296504550088134477547896494797896593800, .7687687687687687687687687687687687687688, \
|
||||
.26596354849713793599974565040611196309330, .7664670658682634730538922155688622754491, \
|
||||
.26895308734550393836570947314612567424780, .7641791044776119402985074626865671641791, \
|
||||
.27193371548364175804834985683555714786050, .7619047619047619047619047619047619047619, \
|
||||
.27490548587279922676529508862586226314300, .7596439169139465875370919881305637982196, \
|
||||
.27786845100345625159121709657483734190480, .7573964497041420118343195266272189349112, \
|
||||
.28082266290088775395616949026589281857030, .7551622418879056047197640117994100294985, \
|
||||
.28376817313064456316240580235898960381750, .7529411764705882352941176470588235294118, \
|
||||
.28670503280395426282112225635501090437180, .7507331378299120234604105571847507331378, \
|
||||
.28963329258304265634293983566749375313530, .7485380116959064327485380116959064327485, \
|
||||
.29255300268637740579436012922087684273730, .7463556851311953352769679300291545189504, \
|
||||
.29546421289383584252163927885703742504130, .7441860465116279069767441860465116279070, \
|
||||
.29836697255179722709783618483925238251680, .7420289855072463768115942028985507246377, \
|
||||
.30126133057816173455023545102449133992200, .7398843930635838150289017341040462427746, \
|
||||
.30414733546729666446850615102448500692850, .7377521613832853025936599423631123919308, \
|
||||
.30702503529491181888388950937951449304830, .7356321839080459770114942528735632183908, \
|
||||
.30989447772286465854207904158101882785550, .7335243553008595988538681948424068767908, \
|
||||
.31275571000389684739317885942000430077330, .7314285714285714285714285714285714285714, \
|
||||
.31560877898630329552176476681779604405180, .7293447293447293447293447293447293447293, \
|
||||
.31845373111853458869546784626436419785030, .7272727272727272727272727272727272727273, \
|
||||
.32129061245373424782201254856772720813750, .7252124645892351274787535410764872521246, \
|
||||
.32411946865421192853773391107097268104550, .7231638418079096045197740112994350282486, \
|
||||
.32694034499585328257253991068864706903700, .7211267605633802816901408450704225352113, \
|
||||
.32975328637246797969240219572384376078850, .7191011235955056179775280898876404494382, \
|
||||
.33255833730007655635318997155991382896900, .7170868347338935574229691876750700280112, \
|
||||
.33535554192113781191153520921943709254280, .7150837988826815642458100558659217877095, \
|
||||
.33814494400871636381467055798566434532400, .7130919220055710306406685236768802228412, \
|
||||
.34092658697059319283795275623560883104800, .7111111111111111111111111111111111111111, \
|
||||
.34370051385331840121395430287520866841080, .7091412742382271468144044321329639889197, \
|
||||
.34646676734620857063262633346312213689100, .7071823204419889502762430939226519337017, \
|
||||
.34922538978528827602332285096053965389730, .7052341597796143250688705234159779614325, \
|
||||
.35197642315717814209818925519357435405250, .7032967032967032967032967032967032967033, \
|
||||
.35471990910292899856770532096561510115850, .7013698630136986301369863013698630136986, \
|
||||
.35745588892180374385176833129662554711100, .6994535519125683060109289617486338797814, \
|
||||
.36018440357500774995358483465679455548530, .6975476839237057220708446866485013623978, \
|
||||
.36290549368936841911903457003063522279280, .6956521739130434782608695652173913043478, \
|
||||
.36561919956096466943762379742111079394830, .6937669376693766937669376693766937669377, \
|
||||
.36832556115870762614150635272380895912650, .6918918918918918918918918918918918918919, \
|
||||
.37102461812787262962487488948681857436900, .6900269541778975741239892183288409703504, \
|
||||
.37371640979358405898480555151763837784530, .6881720430107526881720430107526881720430, \
|
||||
.37640097516425302659470730759494472295050, .6863270777479892761394101876675603217158, \
|
||||
.37907835293496944251145919224654790014030, .6844919786096256684491978609625668449198, \
|
||||
.38174858149084833769393299007788300514230, .6826666666666666666666666666666666666667, \
|
||||
.38441169891033200034513583887019194662580, .6808510638297872340425531914893617021277, \
|
||||
.38706774296844825844488013899535872042180, .6790450928381962864721485411140583554377, \
|
||||
.38971675114002518602873692543653305619950, .6772486772486772486772486772486772486772, \
|
||||
.39235876060286384303665840889152605086580, .6754617414248021108179419525065963060686, \
|
||||
.39499380824086893770896722344332374632350, .6736842105263157894736842105263157894737, \
|
||||
.39762193064713846624158577469643205404280, .6719160104986876640419947506561679790026, \
|
||||
.40024316412701266276741307592601515352730, .6701570680628272251308900523560209424084, \
|
||||
.40285754470108348090917615991202183067800, .6684073107049608355091383812010443864230, \
|
||||
.40546510810816432934799991016916465014230, .6666666666666666666666666666666666666667, \
|
||||
.40806588980822172674223224930756259709600, .6649350649350649350649350649350649350649, \
|
||||
.41065992498526837639616360320360399782650, .6632124352331606217616580310880829015544, \
|
||||
.41324724855021932601317757871584035456180, .6614987080103359173126614987080103359173, \
|
||||
.41582789514371093497757669865677598863850, .6597938144329896907216494845360824742268, \
|
||||
.41840189913888381489925905043492093682300, .6580976863753213367609254498714652956298, \
|
||||
.42096929464412963239894338585145305842150, .6564102564102564102564102564102564102564, \
|
||||
.42353011550580327293502591601281892508280, .6547314578005115089514066496163682864450, \
|
||||
.42608439531090003260516141381231136620050, .6530612244897959183673469387755102040816, \
|
||||
.42863216738969872610098832410585600882780, .6513994910941475826972010178117048346056, \
|
||||
.43117346481837132143866142541810404509300, .6497461928934010152284263959390862944162, \
|
||||
.43370832042155937902094819946796633303180, .6481012658227848101265822784810126582278, \
|
||||
.43623676677491801667585491486534010618930, .6464646464646464646464646464646464646465, \
|
||||
.43875883620762790027214350629947148263450, .6448362720403022670025188916876574307305, \
|
||||
.44127456080487520440058801796112675219780, .6432160804020100502512562814070351758794, \
|
||||
.44378397241030093089975139264424797147500, .6416040100250626566416040100250626566416, \
|
||||
.44628710262841947420398014401143882423650, .6400000000000000000000000000000000000000, \
|
||||
.44878398282700665555822183705458883196130, .6384039900249376558603491271820448877805, \
|
||||
.45127464413945855836729492693848442286250, .6368159203980099502487562189054726368159, \
|
||||
.45375911746712049854579618113348260521900, .6352357320099255583126550868486352357320, \
|
||||
.45623743348158757315857769754074979573500, .6336633663366336633663366336633663366337, \
|
||||
.45870962262697662081833982483658473938700, .6320987654320987654320987654320987654321, \
|
||||
.46117571512217014895185229761409573256980, .6305418719211822660098522167487684729064, \
|
||||
.46363574096303250549055974261136725544930, .6289926289926289926289926289926289926290, \
|
||||
.46608972992459918316399125615134835243230, .6274509803921568627450980392156862745098, \
|
||||
.46853771156323925639597405279346276074650, .6259168704156479217603911980440097799511, \
|
||||
.47097971521879100631480241645476780831830, .6243902439024390243902439024390243902439, \
|
||||
.47341577001667212165614273544633761048330, .6228710462287104622871046228710462287105, \
|
||||
.47584590486996386493601107758877333253630, .6213592233009708737864077669902912621359, \
|
||||
.47827014848147025860569669930555392056700, .6198547215496368038740920096852300242131, \
|
||||
.48068852934575190261057286988943815231330, .6183574879227053140096618357487922705314, \
|
||||
.48310107575113581113157579238759353756900, .6168674698795180722891566265060240963855, \
|
||||
.48550781578170076890899053978500887751580, .6153846153846153846153846153846153846154, \
|
||||
.48790877731923892879351001283794175833480, .6139088729016786570743405275779376498801, \
|
||||
.49030398804519381705802061333088204264650, .6124401913875598086124401913875598086124, \
|
||||
.49269347544257524607047571407747454941280, .6109785202863961813842482100238663484487, \
|
||||
.49507726679785146739476431321236304938800, .6095238095238095238095238095238095238095, \
|
||||
.49745538920281889838648226032091770321130, .6080760095011876484560570071258907363420, \
|
||||
.49982786955644931126130359189119189977650, .6066350710900473933649289099526066350711, \
|
||||
.50219473456671548383667413872899487614650, .6052009456264775413711583924349881796690, \
|
||||
.50455601075239520092452494282042607665050, .6037735849056603773584905660377358490566, \
|
||||
.50691172444485432801997148999362252652650, .6023529411764705882352941176470588235294, \
|
||||
.50926190178980790257412536448100581765150, .6009389671361502347417840375586854460094, \
|
||||
.51160656874906207391973111953120678663250, .5995316159250585480093676814988290398126, \
|
||||
.51394575110223428282552049495279788970950, .5981308411214953271028037383177570093458, \
|
||||
.51627947444845445623684554448118433356300, .5967365967365967365967365967365967365967, \
|
||||
.51860776420804555186805373523384332656850, .5953488372093023255813953488372093023256, \
|
||||
.52093064562418522900344441950437612831600, .5939675174013921113689095127610208816705, \
|
||||
.52324814376454775732838697877014055848100, .5925925925925925925925925925925925925926, \
|
||||
.52556028352292727401362526507000438869000, .5912240184757505773672055427251732101617, \
|
||||
.52786708962084227803046587723656557500350, .5898617511520737327188940092165898617512, \
|
||||
.53016858660912158374145519701414741575700, .5885057471264367816091954022988505747126, \
|
||||
.53246479886947173376654518506256863474850, .5871559633027522935779816513761467889908, \
|
||||
.53475575061602764748158733709715306758900, .5858123569794050343249427917620137299771, \
|
||||
.53704146589688361856929077475797384977350, .5844748858447488584474885844748858447489, \
|
||||
.53932196859560876944783558428753167390800, .5831435079726651480637813211845102505695, \
|
||||
.54159728243274429804188230264117009937750, .5818181818181818181818181818181818181818, \
|
||||
.54386743096728351609669971367111429572100, .5804988662131519274376417233560090702948, \
|
||||
.54613243759813556721383065450936555862450, .5791855203619909502262443438914027149321, \
|
||||
.54839232556557315767520321969641372561450, .5778781038374717832957110609480812641084, \
|
||||
.55064711795266219063194057525834068655950, .5765765765765765765765765765765765765766, \
|
||||
.55289683768667763352766542084282264113450, .5752808988764044943820224719101123595506, \
|
||||
.55514150754050151093110798683483153581600, .5739910313901345291479820627802690582960, \
|
||||
.55738115013400635344709144192165695130850, .5727069351230425055928411633109619686801, \
|
||||
.55961578793542265941596269840374588966350, .5714285714285714285714285714285714285714, \
|
||||
.56184544326269181269140062795486301183700, .5701559020044543429844097995545657015590, \
|
||||
.56407013828480290218436721261241473257550, .5688888888888888888888888888888888888889, \
|
||||
.56628989502311577464155334382667206227800, .5676274944567627494456762749445676274945, \
|
||||
.56850473535266865532378233183408156037350, .5663716814159292035398230088495575221239, \
|
||||
.57071468100347144680739575051120482385150, .5651214128035320088300220750551876379691, \
|
||||
.57291975356178548306473885531886480748650, .5638766519823788546255506607929515418502, \
|
||||
.57511997447138785144460371157038025558000, .5626373626373626373626373626373626373626, \
|
||||
.57731536503482350219940144597785547375700, .5614035087719298245614035087719298245614, \
|
||||
.57950594641464214795689713355386629700650, .5601750547045951859956236323851203501094, \
|
||||
.58169173963462239562716149521293118596100, .5589519650655021834061135371179039301310, \
|
||||
.58387276558098266665552955601015128195300, .5577342047930283224400871459694989106754, \
|
||||
.58604904500357812846544902640744112432000, .5565217391304347826086956521739130434783, \
|
||||
.58822059851708596855957011939608491957200, .5553145336225596529284164859002169197397, \
|
||||
.59038744660217634674381770309992134571100, .5541125541125541125541125541125541125541, \
|
||||
.59254960960667157898740242671919986605650, .5529157667386609071274298056155507559395, \
|
||||
.59470710774669277576265358220553025603300, .5517241379310344827586206896551724137931, \
|
||||
.59685996110779382384237123915227130055450, .5505376344086021505376344086021505376344, \
|
||||
.59900818964608337768851242799428291618800, .5493562231759656652360515021459227467811, \
|
||||
.60115181318933474940990890900138765573500, .5481798715203426124197002141327623126338, \
|
||||
.60329085143808425240052883964381180703650, .5470085470085470085470085470085470085470, \
|
||||
.60542532396671688843525771517306566238400, .5458422174840085287846481876332622601279, \
|
||||
.60755525022454170969155029524699784815300, .5446808510638297872340425531914893617021, \
|
||||
.60968064953685519036241657886421307921400, .5435244161358811040339702760084925690021, \
|
||||
.61180154110599282990534675263916142284850, .5423728813559322033898305084745762711864, \
|
||||
.61391794401237043121710712512140162289150, .5412262156448202959830866807610993657505, \
|
||||
.61602987721551394351138242200249806046500, .5400843881856540084388185654008438818565, \
|
||||
.61813735955507864705538167982012964785100, .5389473684210526315789473684210526315789, \
|
||||
.62024040975185745772080281312810257077200, .5378151260504201680672268907563025210084, \
|
||||
.62233904640877868441606324267922900617100, .5366876310272536687631027253668763102725, \
|
||||
.62443328801189346144440150965237990021700, .5355648535564853556485355648535564853556, \
|
||||
.62652315293135274476554741340805776417250, .5344467640918580375782881002087682672234, \
|
||||
.62860865942237409420556559780379757285100, .5333333333333333333333333333333333333333, \
|
||||
.63068982562619868570408243613201193511500, .5322245322245322245322245322245322245322, \
|
||||
.63276666957103777644277897707070223987100, .5311203319502074688796680497925311203320, \
|
||||
.63483920917301017716738442686619237065300, .5300207039337474120082815734989648033126, \
|
||||
.63690746223706917739093569252872839570050, .5289256198347107438016528925619834710744, \
|
||||
.63897144645792069983514238629140891134750, .5278350515463917525773195876288659793814, \
|
||||
.64103117942093124081992527862894348800200, .5267489711934156378600823045267489711934, \
|
||||
.64308667860302726193566513757104985415950, .5256673511293634496919917864476386036961, \
|
||||
.64513796137358470073053240412264131009600, .5245901639344262295081967213114754098361, \
|
||||
.64718504499530948859131740391603671014300, .5235173824130879345603271983640081799591, \
|
||||
.64922794662510974195157587018911726772800, .5224489795918367346938775510204081632653, \
|
||||
.65126668331495807251485530287027359008800, .5213849287169042769857433808553971486762, \
|
||||
.65330127201274557080523663898929953575150, .5203252032520325203252032520325203252033, \
|
||||
.65533172956312757406749369692988693714150, .5192697768762677484787018255578093306288, \
|
||||
.65735807270835999727154330685152672231200, .5182186234817813765182186234817813765182, \
|
||||
.65938031808912778153342060249997302889800, .5171717171717171717171717171717171717172, \
|
||||
.66139848224536490484126716182800009846700, .5161290322580645161290322580645161290323, \
|
||||
.66341258161706617713093692145776003599150, .5150905432595573440643863179074446680080, \
|
||||
.66542263254509037562201001492212526500250, .5140562248995983935742971887550200803213, \
|
||||
.66742865127195616370414654738851822912700, .5130260521042084168336673346693386773547, \
|
||||
.66943065394262923906154583164607174694550, .5120000000000000000000000000000000000000, \
|
||||
.67142865660530226534774556057527661323550, .5109780439121756487025948103792415169661, \
|
||||
.67342267521216669923234121597488410770900, .5099601593625498007968127490039840637450, \
|
||||
.67541272562017662384192817626171745359900, .5089463220675944333996023856858846918489, \
|
||||
.67739882359180603188519853574689477682100, .5079365079365079365079365079365079365079, \
|
||||
.67938098479579733801614338517538271844400, .5069306930693069306930693069306930693069, \
|
||||
.68135922480790300781450241629499942064300, .5059288537549407114624505928853754940711, \
|
||||
.68333355911162063645036823800182901322850, .5049309664694280078895463510848126232742, \
|
||||
.68530400309891936760919861626462079584600, .5039370078740157480314960629921259842520, \
|
||||
.68727057207096020619019327568821609020250, .5029469548133595284872298624754420432220, \
|
||||
.68923328123880889251040571252815425395950, .5019607843137254901960784313725490196078, \
|
||||
.69314718055994530941723212145818, 5.0e-01, \
|
||||
}
|
||||
|
||||
static constexpr float log_tab_32f[log_tab_size] = LOG_TAB_VALUE;
|
||||
static constexpr double log_tab_64f[log_tab_size] = LOG_TAB_VALUE;
|
||||
|
||||
#undef LOG_TAB_VALUE
|
||||
|
||||
} // namespace detail
|
||||
|
||||
inline int log32f(const float* src, float* dst, int _len)
|
||||
{
|
||||
size_t vl = __riscv_vsetvlmax_e32m4();
|
||||
auto log_a2 = __riscv_vfmv_v_f_f32m4(detail::log32f_a2, vl);
|
||||
for (size_t len = _len; len > 0; len -= vl, src += vl, dst += vl)
|
||||
{
|
||||
vl = __riscv_vsetvl_e32m4(len);
|
||||
auto i0 = __riscv_vle32_v_i32m4((const int32_t*)src, vl);
|
||||
|
||||
auto buf_i = __riscv_vor(__riscv_vand(i0, detail::log32f_mask, vl), 127 << 23, vl);
|
||||
auto idx = __riscv_vreinterpret_u32m4(__riscv_vand(
|
||||
__riscv_vsra(i0, 23 - detail::log_scale - 1 - 2, vl),
|
||||
detail::log_mask << 2,
|
||||
vl));
|
||||
|
||||
auto tab_v = __riscv_vluxei32(detail::log_tab_32f, idx, vl);
|
||||
auto y0_i = __riscv_vsub(__riscv_vand(__riscv_vsra(i0, 23, vl), 0xff, vl), 127, vl);
|
||||
auto y0 = __riscv_vfmadd(__riscv_vfcvt_f_x_v_f32m4(y0_i, vl), detail::ln_2, tab_v, vl);
|
||||
|
||||
tab_v = __riscv_vluxei32(detail::log_tab_32f, __riscv_vadd(idx, 4, vl), vl);
|
||||
auto buf_f = __riscv_vreinterpret_f32m4(buf_i);
|
||||
auto x0 = __riscv_vfmul(__riscv_vfsub(buf_f, 1.f, vl), tab_v, vl);
|
||||
x0 = __riscv_vfsub(__riscv_vmseq(idx, (uint32_t)510 * 4, vl), x0, 1.f / 512, vl);
|
||||
|
||||
auto res = __riscv_vfadd(__riscv_vfmul(x0, detail::log32f_a0, vl), detail::log32f_a1, vl);
|
||||
res = __riscv_vfmadd(res, x0, log_a2, vl);
|
||||
res = __riscv_vfmadd(res, x0, y0, vl);
|
||||
|
||||
__riscv_vse32(dst, res, vl);
|
||||
}
|
||||
|
||||
return CV_HAL_ERROR_OK;
|
||||
}
|
||||
|
||||
inline int log64f(const double* src, double* dst, int _len)
|
||||
{
|
||||
size_t vl = __riscv_vsetvlmax_e64m4();
|
||||
// all vector registers are used up, so not load more constants
|
||||
auto log_a5 = __riscv_vfmv_v_f_f64m4(detail::log64f_a5, vl);
|
||||
auto log_a6 = __riscv_vfmv_v_f_f64m4(detail::log64f_a6, vl);
|
||||
auto log_a7 = __riscv_vfmv_v_f_f64m4(detail::log64f_a7, vl);
|
||||
for (size_t len = _len; len > 0; len -= vl, src += vl, dst += vl)
|
||||
{
|
||||
vl = __riscv_vsetvl_e64m4(len);
|
||||
auto i0 = __riscv_vle64_v_i64m4((const int64_t*)src, vl);
|
||||
|
||||
auto buf_i = __riscv_vor(__riscv_vand(i0, detail::log64f_mask, vl), (size_t)1023 << 52, vl);
|
||||
auto idx = __riscv_vreinterpret_u64m4(__riscv_vand(
|
||||
__riscv_vsra(i0, 52 - detail::log_scale - 1 - 3, vl),
|
||||
detail::log_mask << 3,
|
||||
vl));
|
||||
|
||||
auto tab_v = __riscv_vluxei64(detail::log_tab_64f, idx, vl);
|
||||
auto y0_i = __riscv_vsub(__riscv_vand(__riscv_vsra(i0, 52, vl), 0x7ff, vl), 1023, vl);
|
||||
auto y0 = __riscv_vfmadd(__riscv_vfcvt_f_x_v_f64m4(y0_i, vl), detail::ln_2, tab_v, vl);
|
||||
|
||||
tab_v = __riscv_vluxei64(detail::log_tab_64f, __riscv_vadd(idx, 8, vl), vl);
|
||||
auto buf_f = __riscv_vreinterpret_f64m4(buf_i);
|
||||
auto x0 = __riscv_vfmul(__riscv_vfsub(buf_f, 1.0, vl), tab_v, vl);
|
||||
x0 = __riscv_vfsub(__riscv_vmseq(idx, (uint64_t)510 * 8, vl), x0, 1. / 512, vl);
|
||||
|
||||
auto res = __riscv_vfadd(__riscv_vfmul(x0, detail::log64f_a0, vl), detail::log64f_a1, vl);
|
||||
res = __riscv_vfadd(__riscv_vfmul(x0, res, vl), detail::log64f_a2, vl);
|
||||
res = __riscv_vfadd(__riscv_vfmul(x0, res, vl), detail::log64f_a3, vl);
|
||||
res = __riscv_vfadd(__riscv_vfmul(x0, res, vl), detail::log64f_a4, vl);
|
||||
res = __riscv_vfmadd(res, x0, log_a5, vl);
|
||||
res = __riscv_vfmadd(res, x0, log_a6, vl);
|
||||
res = __riscv_vfmadd(res, x0, log_a7, vl);
|
||||
res = __riscv_vfmadd(res, x0, y0, vl);
|
||||
|
||||
__riscv_vse64(dst, res, vl);
|
||||
}
|
||||
|
||||
return CV_HAL_ERROR_OK;
|
||||
}
|
||||
|
||||
}} // namespace cv::cv_hal_rvv
|
||||
@ -845,4 +845,29 @@ PERF_TEST_P(ExpFixture, Exp,
|
||||
SANITY_CHECK_NOTHING();
|
||||
}
|
||||
|
||||
//////////////LOG////////////
|
||||
|
||||
typedef Size_MatType LogFixture;
|
||||
|
||||
PERF_TEST_P(LogFixture, Log,
|
||||
testing::Combine(testing::Values(TYPICAL_MAT_SIZES), testing::Values(CV_32F, CV_64F)))
|
||||
{
|
||||
cv::Size size = std::get<0>(GetParam());
|
||||
int type = std::get<1>(GetParam());
|
||||
|
||||
cv::Mat src(size, type);
|
||||
cv::Mat dst(size, type);
|
||||
|
||||
declare.in(src).out(dst);
|
||||
|
||||
cv::randu(src, 1e-5, 1e5);
|
||||
|
||||
TEST_CYCLE()
|
||||
{
|
||||
cv::log(src, dst);
|
||||
}
|
||||
|
||||
SANITY_CHECK_NOTHING();
|
||||
}
|
||||
|
||||
} // namespace
|
||||
|
||||
Loading…
Reference in New Issue
Block a user