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# Courtesy of Federico Ficarelli | ||
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.DEFAULT_GOAL := all | ||
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include ../../runtime/Makefile.rules | ||
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TESTS = | ||
TESTS += baseline.x | ||
TESTS += simple_copy.x | ||
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CFLAGS += -std=gnu11 | ||
CFLAGS += -Wall -Wextra | ||
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data.c data.h: | ||
$(PYTHON) gendata.py | ||
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%.x: %.o main.o data.o | ||
$(LD) $(LDFLAGS) $^ -o $@ | ||
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sim_%: % | ||
rm -fr ./logs/ | ||
$(VLTSIM) $< | ||
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RUN = $(addprefix run_, $(TESTS)) | ||
$(RUN): run_%: sim_% | ||
mv logs $(subst sim_,,$<).logs | ||
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all: $(TESTS) | ||
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allrun: $(RUN) | ||
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clean: | ||
rm -fr *.ll12 *.x *.o *.logs/ logs/ data.h data.c |
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#include "memref.h" | ||
#include <snrt.h> | ||
#include <stdint.h> | ||
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void _mlir_ciface_simple_copy(OneDMemrefI32_t *memrefA, | ||
OneDMemrefI32_t *memrefB) { | ||
snrt_dma_start_1d(memrefB->aligned_data, memrefA->aligned_data, | ||
*(memrefA->shape[0]) * sizeof(int32_t)); | ||
} |
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# simple script to generate inputs and expected outputs for simple_mult | ||
import numpy as np | ||
from numpy import typing as npt | ||
from typing import Dict | ||
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def create_header(file_name: str, size: int, variables: Dict[str, npt.NDArray]) -> None: | ||
with open(file_name, "w") as f: | ||
includes = ["#include <stdint.h>", "#pragma once", "", f"#define N {size}", ""] | ||
includes = "\n".join(includes) | ||
variable_names = list(variables.keys()) | ||
variables_string = [f"extern const int32_t {i}[N];" for i in variable_names] | ||
variables_string = "\n".join(variables_string) | ||
f.write(includes) | ||
f.write(variables_string) | ||
f.write("\n") | ||
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def create_data(file_name: str, size: int, variables: Dict[str, npt.NDArray]): | ||
includes = ['#include "data.h"', "", ""] | ||
includes = "\n".join(includes) | ||
with open(file_name, "w") as f: | ||
f.write(includes) | ||
for variable_name, variable_value in variables.items(): | ||
f.write(f"const int32_t {variable_name}[N] = " + "{\n") | ||
variable_str = ["\t" + str(i) for i in variable_value] | ||
f.write(",\n".join(variable_str)) | ||
f.write("\n};\n\n") | ||
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if __name__ == "__main__": | ||
array_size = 10 | ||
A = np.linspace(1, array_size, array_size, dtype=np.int32) | ||
variables = {"A": A} | ||
create_header("data.h", array_size, variables) | ||
create_data("data.c", array_size, variables) |
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#include "data.h" | ||
#include "memref.h" | ||
#include "stdint.h" | ||
#include <snrt.h> | ||
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void _mlir_ciface_snax_dma_1d_transfer(OneDMemrefI32_t *a, OneDMemrefI32_t *b) { | ||
snrt_dma_start_1d(b->aligned_data, a->aligned_data, | ||
*(a->shape[0]) * sizeof(int32_t)); | ||
return; | ||
} | ||
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int main() { | ||
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uint32_t constant_zero = 0; | ||
uint32_t constant_size = N; | ||
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// create memref object for A | ||
OneDMemrefI32_t memrefA = { | ||
.data = &A, | ||
.aligned_data = &A, | ||
.offset = &constant_zero, | ||
.shape[0] = &constant_size, | ||
.stride[0] = &constant_zero, | ||
}; | ||
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// allocate memory in L1 for copy target | ||
OneDMemrefI32_t memrefB = { | ||
.data = (int32_t *)snrt_l1_next(), | ||
.aligned_data = memrefB.data, | ||
.offset = &constant_zero, | ||
.shape[0] = &constant_size, | ||
.stride[0] = &constant_zero, | ||
}; | ||
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// execute copy | ||
if (snrt_is_dm_core()) { | ||
_mlir_ciface_simple_copy(&memrefA, &memrefB); | ||
// snrt_dma_start_1d((&memrefB)->aligned_data, (&memrefA)->aligned_data, | ||
// *((&memrefA)->shape[0]) * sizeof(int32_t)); | ||
} | ||
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snrt_cluster_hw_barrier(); | ||
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// check if result is okay with core 0 | ||
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int thiscore = snrt_cluster_core_idx(); | ||
if (thiscore != 0) | ||
return 0; | ||
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// Correctness check | ||
int nerr = 0; | ||
for (int i = 0; i < N; i++) { | ||
int32_t error = memrefB.aligned_data[i] - A[i]; | ||
if (error != 0) | ||
nerr += 1; | ||
} | ||
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return nerr; | ||
} |
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