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mirror of https://github.com/TREX-CoE/irpjast.git synced 2024-07-22 18:57:41 +02:00

StarPU OK

This commit is contained in:
Anthony Scemama 2021-04-24 03:19:00 +02:00
parent a43ef7893e
commit af8705d22c
3 changed files with 79 additions and 294 deletions

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@ -1,7 +1,7 @@
IRPF90 = irpf90/bin/irpf90 --codelet=factor_een:2 --align=4096 # -s nelec_8:504 -s nnuc:100 -s ncord:5 #-a -d
#FC = ifort -xCORE-AVX512 -g -mkl=sequential -qopt-zmm-usage=high
FC = ifort -xCORE-AVX2 -g
CC = gcc -fopenmp
CC = gcc -fopenmp $(shell pkg-config --cflags starpu-1.3)
FCFLAGS= -O3 -I .
NINJA = ninja
ARCHIVE = ar crs
@ -9,7 +9,7 @@ RANLIB = ranlib
SRC= qmckl_blas_f.f90 qmckl_dgemm.c
OBJ= IRPF90_temp/qmckl_blas_f.o IRPF90_temp/qmckl_dgemm.o
LIB= -mkl=sequential -lgomp
LIB= -mkl=sequential -lgomp $(shell pkg-config --libs starpu-1.3)
-include irpf90.make
export

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@ -1,9 +1,12 @@
/* Generated from qmckl_dgemm.org */
#include <starpu.h>
#include <cblas.h>
#include <stdint.h>
#include <assert.h>
#include <stdlib.h>
#include <stdio.h>
@ -24,70 +27,36 @@ struct dgemm_args {
};
#define MIN_SIZE 512
void qmckl_dgemm_cl(struct dgemm_args args, double* A, double* B, double* C);
void dgemm_codelet(void *buffers[], void* cl_arg)
{
struct dgemm_args *args = cl_arg;
double* A = (double*) STARPU_MATRIX_GET_PTR(buffers[0]);
double* B = (double*) STARPU_MATRIX_GET_PTR(buffers[1]);
double* C = (double*) STARPU_MATRIX_GET_PTR(buffers[2]);
qmckl_dgemm_cl(*args, A, B, C);
free(args);
}
struct starpu_codelet dgemm_cl =
{
.where = STARPU_CPU,
.cpu_funcs = { dgemm_codelet },
.cpu_funcs_name = { "dgemm_codelet" },
.nbuffers = 3,
.max_parallelism = 1,
.modes = {STARPU_R, STARPU_R, STARPU_RW},
};
#include<stdio.h>
static void qmckl_dgemm_rec(struct dgemm_args args) {
// printf("%5d %5d\n", args.m, args.n);
if ( (args.m <= MIN_SIZE) || (args.n <= MIN_SIZE)) {
#pragma omp task
{
printf("BLAS %5d %5d %5d\n", args.m, args.n, args.k);
cblas_dgemm(CblasColMajor, args.transa, args.transb,
args.m, args.n, args.k, args.alpha,
args.A, args.lda, args.B, args.ldb,
args.beta, args.C, args.ldc);
}
} else {
int m1 = args.m / 2;
int m2 = args.m - m1;
int n1 = args.n / 2;
int n2 = args.n - n1;
#pragma omp task
{
struct dgemm_args args_1 = args;
args_1.m = m1;
args_1.n = n1;
qmckl_dgemm_rec(args_1);
}
#pragma omp task
{
// TODO: assuming 'N', 'N' here
struct dgemm_args args_2 = args;
args_2.B = args.B + args.ldb*n1;
args_2.C = args.C + args.ldc*n1;
args_2.m = m1;
args_2.n = n2;
qmckl_dgemm_rec(args_2);
}
#pragma omp task
{
struct dgemm_args args_3 = args;
args_3.A = args.A + m1;
args_3.C = args.C + m1;
args_3.m = m2;
args_3.n = n1;
qmckl_dgemm_rec(args_3);
}
#pragma omp task
{
struct dgemm_args args_4 = args;
args_4.A = args.A + m1;
args_4.B = args.B + args.ldb*n1;
args_4.C = args.C + m1 + args.ldc*n1;
args_4.m = m2;
args_4.n = n2;
qmckl_dgemm_rec(args_4);
}
}
void qmckl_dgemm_cl(struct dgemm_args args, double* A, double* B, double* C) {
cblas_dgemm(CblasColMajor, args.transa, args.transb,
args.m, args.n, args.k, args.alpha,
A, args.lda, B, args.ldb,
args.beta, C, args.ldc);
}
void qmckl_dgemm(char transa, char transb,
@ -132,15 +101,52 @@ void qmckl_dgemm(char transa, char transb,
void qmckl_tasks_run(struct dgemm_args** gemms, int ngemms)
{
#pragma omp parallel
{
#pragma omp single
starpu_init(NULL);
starpu_data_handle_t matrix_handle[ngemms][3];
for (int i=0 ; i<ngemms ; ++i)
{
for (int i=0 ; i<ngemms ; ++i)
{
qmckl_dgemm_rec(*(gemms[i]));
}
starpu_matrix_data_register(&(matrix_handle[i][0]),
STARPU_MAIN_RAM,
(uintptr_t) gemms[i]->A,
gemms[i]->lda,
gemms[i]->k,
gemms[i]->m,
sizeof(double));
starpu_matrix_data_register(&(matrix_handle[i][1]),
STARPU_MAIN_RAM,
(uintptr_t) gemms[i]->B,
gemms[i]->ldb,
gemms[i]->n,
gemms[i]->k,
sizeof(double));
starpu_matrix_data_register(&(matrix_handle[i][2]),
STARPU_MAIN_RAM,
(uintptr_t) gemms[i]->C,
gemms[i]->ldc,
gemms[i]->n,
gemms[i]->m,
sizeof(double));
struct starpu_task *task = starpu_task_create();
task->cl = &dgemm_cl;
task->cl_arg = gemms[i];
task->cl_arg_size = sizeof(*gemms[0]);
task->handles[0] = matrix_handle[i][0];
task->handles[1] = matrix_handle[i][1];
task->handles[2] = matrix_handle[i][2];
starpu_task_submit(task);
}
#pragma omp taskwait
}
starpu_task_wait_for_all();
for (int i=0 ; i<ngemms ; ++i)
{
starpu_data_unregister(matrix_handle[i][0]);
starpu_data_unregister(matrix_handle[i][1]);
starpu_data_unregister(matrix_handle[i][2]);
}
starpu_shutdown();
}

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@ -1,221 +0,0 @@
#+TITLE: QMCkl dgemm
#+NAME: header
#+BEGIN_SRC text
Generated from qmckl_dgemm.org
#+END_SRC
#+BEGIN_SRC c :noweb yes :tangle qmckl_dgemm.c
/* <<header>> */
#include <cblas.h>
#include <stdint.h>
#include <assert.h>
#include <stdlib.h>
<<tasks_init>>
<<dgemm_args>>
<<dgemm_rec>>
<<dgemm>>
<<tasks_run>>
#+END_SRC
* Fortran interface
#+BEGIN_SRC f90 :noweb yes :tangle qmckl_blas_f.f90
! <<header>>
module qmckl_blas
use :: iso_c_binding
interface
subroutine qmckl_dgemm(transa, transb, m, n, k, &
alpha, A, lda, B, ldb, beta, C, ldc, res) bind(C)
use :: iso_c_binding
implicit none
character(kind=c_char ), value :: transa, transb
integer (kind=c_int ), value :: m, n, k, lda, ldb, ldc
real (kind=c_double), value :: alpha, beta
real (kind=c_double) :: A(lda,*), B(ldb,*), C(ldc,*)
integer (kind=c_int64_t) :: res
end subroutine qmckl_dgemm
end interface
interface
subroutine qmckl_tasks_run(gemms, ngemms) bind(C)
use :: iso_c_binding
implicit none
integer (kind=c_int32_t), value :: ngemms
integer (kind=c_int64_t) :: gemms(ngemms)
end subroutine qmckl_tasks_run
end interface
end module qmckl_blas
#+END_SRC
* TODO C code
The main function packs the arguments in the struct and returns
the struct as a result.
#+NAME: dgemm_args
#+BEGIN_SRC c
struct dgemm_args {
double alpha;
double beta;
double* A;
double* B;
double* C;
int m;
int n;
int k;
int lda;
int ldb;
int ldc;
CBLAS_LAYOUT transa;
CBLAS_LAYOUT transb;
};
#+END_SRC
#+NAME: dgemm
#+BEGIN_SRC c
void qmckl_dgemm(char transa, char transb,
int m, int n, int k,
double alpha,
double* A, int lda,
double* B, int ldb,
double beta,
double* C, int ldc,
int64_t* result)
{
struct dgemm_args* args = (struct dgemm_args*) malloc (sizeof(struct dgemm_args));
assert (args != NULL);
*result = (int64_t) args;
args->alpha = alpha;
args->beta = beta ;
args->A = A;
args->B = B;
args->C = C;
args->m = m;
args->n = n;
args->k = k;
args->lda = lda;
args->ldb = ldb;
args->ldc = ldc;
if (transa == 'T' || transa == 't') {
args->transa = CblasTrans;
} else {
args->transa = CblasNoTrans;
}
if (transa == 'T' || transa == 't') {
args->transb = CblasTrans;
} else {
args->transb = CblasNoTrans;
}
}
#+END_SRC
To run the dgemms as tasks, pass all the dgemms to do to the
following function. It call task-based the recursive dgemm defined below.
#+NAME: tasks_run
#+BEGIN_SRC c
void qmckl_tasks_run(struct dgemm_args** gemms, int ngemms)
{
#pragma omp parallel
{
#pragma omp single
{
for (int i=0 ; i<ngemms ; ++i)
{
qmckl_dgemm_rec(*(gemms[i]));
}
}
#pragma omp taskwait
}
}
#+END_SRC
#+NAME: dgemm_rec
#+BEGIN_SRC c
#define MIN_SIZE 512
#include<stdio.h>
static void qmckl_dgemm_rec(struct dgemm_args args) {
// printf("%5d %5d\n", args.m, args.n);
if ( (args.m <= MIN_SIZE) || (args.n <= MIN_SIZE)) {
#pragma omp task
{
printf("BLAS %5d %5d %5d\n", args.m, args.n, args.k);
cblas_dgemm(CblasColMajor, args.transa, args.transb,
args.m, args.n, args.k, args.alpha,
args.A, args.lda, args.B, args.ldb,
args.beta, args.C, args.ldc);
}
} else {
int m1 = args.m / 2;
int m2 = args.m - m1;
int n1 = args.n / 2;
int n2 = args.n - n1;
#pragma omp task
{
struct dgemm_args args_1 = args;
args_1.m = m1;
args_1.n = n1;
qmckl_dgemm_rec(args_1);
}
#pragma omp task
{
// TODO: assuming 'N', 'N' here
struct dgemm_args args_2 = args;
args_2.B = args.B + args.ldb*n1;
args_2.C = args.C + args.ldc*n1;
args_2.m = m1;
args_2.n = n2;
qmckl_dgemm_rec(args_2);
}
#pragma omp task
{
struct dgemm_args args_3 = args;
args_3.A = args.A + m1;
args_3.C = args.C + m1;
args_3.m = m2;
args_3.n = n1;
qmckl_dgemm_rec(args_3);
}
#pragma omp task
{
struct dgemm_args args_4 = args;
args_4.A = args.A + m1;
args_4.B = args.B + args.ldb*n1;
args_4.C = args.C + m1 + args.ldc*n1;
args_4.m = m2;
args_4.n = n2;
qmckl_dgemm_rec(args_4);
}
}
}
#+END_SRC