L2 Kernel APIs¶

fcnKernel¶

#include "mlp/fcnKernel.hpp"

void fcnKernel (
    DdrIntType* p_DdrRd,
    DdrIntType* p_DdrWr
    )

fcnKernel defines the kernel top function, with DDR/HBM as an interface

Parameters:

p_DdrRd	is DDR/HBM memory address used for read
p_DdrWr	is DDR/HBM memory address used for write

rtmbackward¶

#include "rtm2d/rtmbackward.hpp"

void rtmbackward (
    const unsigned int p_z,
    const unsigned int p_x,
    const unsigned int p_t,
    const unsigned int p_recz,
    const RTM_dataType* p_rec,
    const RTM_dataType* p_coefz,
    const RTM_dataType* p_coefx,
    const RTM_dataType* p_taperz,
    const RTM_dataType* p_taperx,
    const RTM_interface* p_v2dt2,
    RTM_interface* p_p0,
    RTM_interface* p_p1,
    RTM_interface* p_r0,
    RTM_interface* p_r1,
    RTM_interface* p_i0,
    RTM_interface* p_i1,
    RTM_upbType* p_upb
    )

rfmbackward kernel function

Parameters:

p_z	is the number of grids along detecting depth
p_x	is the number of grids along detecting width
p_t	is the number of detecting time parititons
p_recz	is the z coordinates of all receivers
p_rec	is the receiver data wavefileds
p_coefz	is the laplacian z-direction coefficients
p_coefx	is the laplacian x-direction coefficients
p_taperz	is the absorbing factor along z
p_taperx	is the absorbing factor along x
p_v2dt2	is the velocity model v^2 * dt^2
p_upb	is the uppper bounday wavefiled
p_p0	is the first input memory of source wavefield
p_p1	is the second input memory of source wavefield
p_r0	is the first input memory of receiver wavefield
p_r1	is the second input memory of receiver wavefield
p_i0	is the first input memory of cross-correlation images
p_i1	is the second input memory of cross-correlation images

rtmforward¶

rtmforward overload (1)¶

#include "rtm2d/rtmforward.hpp"

void rtmforward (
    const unsigned int p_z,
    const unsigned int p_x,
    const unsigned int p_t,
    const unsigned int p_srcz,
    const unsigned int p_srcx,
    const RTM_dataType* p_src,
    const RTM_dataType* p_coefz,
    const RTM_dataType* p_coefx,
    const RTM_dataType* p_taperz,
    const RTM_dataType* p_taperx,
    const RTM_interface* p_v2dt2,
    RTM_interface* p_p0,
    RTM_interface* p_p1,
    RTM_upbType* p_upb
    )

rfmforward kernel function

Parameters:

p_z	is the number of grids along detecting depth
p_x	is the number of grids along detecting width
p_t	is the number of detecting time parititons
p_srcz	is the source z coordinate
p_srcx	is the source x coordinate
p_src	is the source wavefiled
p_coefz	is the laplacian z-direction coefficients
p_coefx	is the laplacian x-direction coefficients
p_taperz	is the absorbing factor along z
p_taperx	is the absorbing factor along x
p_v2dt2	is the velocity model v^2 * dt^2
p_p0	is the first input memory of source wavefield
p_p1	is the second input memory of source wavefield
p_upb	is the uppper bounday wavefiled

rtmforward overload (2)¶

#include "rtm3d/rtmforward_hbc.hpp"

void rtmforward (
    const unsigned int p_z,
    const unsigned int p_y,
    const unsigned int p_x,
    const unsigned int p_t,
    const unsigned int p_srcz,
    const unsigned int p_srcy,
    const unsigned int p_srcx,
    const RTM_dataType* p_src,
    const RTM_dataType* p_coefz,
    const RTM_dataType* p_coefy,
    const RTM_dataType* p_coefx,
    const RTM_dataType* p_taperz,
    const RTM_dataType* p_tapery,
    const RTM_dataType* p_taperx,
    const RTM_type* p_v2dt2,
    RTM_type* p_pi0,
    RTM_type* p_pi1,
    RTM_type* p_po0,
    RTM_type* p_po1,
    RTM_type* p_ppi0,
    RTM_type* p_ppi1,
    RTM_type* p_ppo0,
    RTM_type* p_ppo1,
    RTM_upbType* p_upb
    )

rfmforward kernel function

Parameters:

p_z	is the number of grids along z
p_y	is the number of grids along y
p_x	is the number of grids along x
p_t	is the number of detecting time parititons
p_srcz	is the source z coordinate
p_srcy	is the source y coordinate
p_srcx	is the source x coordinate
p_src	is the source wavefiled
p_coefz	is the laplacian z-direction coefficients
p_coefy	is the laplacian y-direction coefficients
p_coefx	is the laplacian x-direction coefficients
p_taperz	is the absorbing factor along z
p_tapery	is the absorbing factor along y
p_taperx	is the absorbing factor along x
p_v2dt2	is the velocity model v^2 * dt^2
p_pi0	the first input memory of pressure wavefield at t-1
p_pi1	the second input memory of pressure wavefield at t-1
p_po0	the first output memory of pressure wavefield at t-1
p_po1	the second output memory of pressure wavefield at t-1
p_ppi0	the first input memory of pressure wavefield at t-2
p_ppi1	the second input memory of pressure wavefield at t-2
p_ppo0	the first output memory of pressure wavefield at t-2
p_ppo1	the second output memory of pressure wavefield at t-2
p_upb	is the uppper bounday wavefiled

rtmforward overload (3)¶

#include "rtm3d/rtmforward_rbc.hpp"

void rtmforward (
    const unsigned int p_z,
    const unsigned int p_y,
    const unsigned int p_x,
    const unsigned int p_t,
    const unsigned int p_srcz,
    const unsigned int p_srcy,
    const unsigned int p_srcx,
    const RTM_dataType* p_src,
    const RTM_dataType* p_coefz,
    const RTM_dataType* p_coefy,
    const RTM_dataType* p_coefx,
    const RTM_type* p_v2dt2,
    RTM_type* p_pi0,
    RTM_type* p_pi1,
    RTM_type* p_po0,
    RTM_type* p_po1,
    RTM_type* p_ppi0,
    RTM_type* p_ppi1,
    RTM_type* p_ppo0,
    RTM_type* p_ppo1
    )

rfmforward kernel function

Parameters:

p_z	is the number of grids along z
p_y	is the number of grids along y
p_x	is the number of grids along x
p_t	is the number of detecting time parititons
p_srcz	is the source z coordinate
p_srcy	is the source y coordinate
p_srcx	is the source x coordinate
p_src	is the source wavefiled
p_coefz	is the laplacian z-direction coefficients
p_coefy	is the laplacian y-direction coefficients
p_coefx	is the laplacian x-direction coefficients
p_v2dt2	is the velocity model v^2 * dt^2
p_pi0	is the first input memory of pressure wavefield at t-1
p_pi1	is the second input memory of pressure wavefield at t-1
p_po0	is the first output memory of pressure wavefield at t-1
p_po1	is the second output memory of pressure wavefield at t-1
p_ppi0	is the first input memory of pressure wavefield at t-2
p_ppi1	is the second input memory of pressure wavefield at t-2
p_ppo0	is the first output memory of pressure wavefield at t-2
p_ppo1	is the second output memory of pressure wavefield at t-2