15b4baba28
- minimize RAM usage of all components - use both IRAM and DRAM in player component so we can buffer up to 1s on modules without SPI RAM - support fragemented pcm chunks so we can use all available RAM if there isn't a big enough block available but still enough HEAP - reinclude all components from jorgen's master branch - add custom i2s driver to get a precise timing of initial sync - change wrong usage of esp_timer for latency measurement of snapcast protocol - add player component
111 lines
3.0 KiB
C
111 lines
3.0 KiB
C
// Copyright 2018-2019 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <string.h>
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#include "unity.h"
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#include "dsp_platform.h"
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#include "esp_log.h"
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#include "dspm_mult.h"
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#include "esp_attr.h"
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#include "dsp_tests.h"
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static const char *TAG = "dspm_mult_s16_ansi";
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// Test dsps_dotprod_s16_ansi function
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TEST_CASE("dspm_mult_s16_ansi functionality", "[dspm]")
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{
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int m = 4;
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int n = 3;
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int k = 4;
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int16_t A[m][n];
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int16_t *A_ptr = (int16_t *)A;
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int16_t B[n][k];
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int16_t *B_ptr = (int16_t *)B;
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int16_t C[m][k];
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int16_t *C_ptr = (int16_t *)C;
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int16_t C_compare[m][k];
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int16_t *Cc_ptr = (int16_t *)C_compare;
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int shift = 0;
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for (int i = 0 ; i < m * n; i++) {
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A_ptr[i] = 0x1000;
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B_ptr[i] = 0x200;
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}
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long long store_reg = 0;
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for (int i = 0 ; i < m ; i++) {
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for (int j = 0 ; j < k ; j++) {
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store_reg = (0x7fff >> shift);
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for (int s = 0 ; s < n ; s++) {
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store_reg += ((int32_t)A[i][s] * (int32_t)B[s][j]);
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}
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C_compare[i][j] = store_reg >> (15 - shift);
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}
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}
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dspm_mult_s16_ansi(A_ptr, B_ptr, C_ptr, m, n, k, shift);
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for (int i=0 ; i< m ; i++)
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{
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for (int j=0 ; j< k ; j++)
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{
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ESP_LOGD(TAG, "[%i][%i] calc=%i, expected =%i",i,j, C[i][j], C_compare[i][j]);
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}
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}
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// Compare and check results
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for (int i = 0 ; i < m * k ; i++) {
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if (Cc_ptr[i] != C_ptr[i]) {
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TEST_ASSERT_EQUAL(Cc_ptr[i], C_ptr[i]);
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}
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}
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}
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static portMUX_TYPE testnlock = portMUX_INITIALIZER_UNLOCKED;
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TEST_CASE("dspm_mult_s16_ansi benchmark", "[dspm]")
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{
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int m = 4;
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int n = 4;
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int k = 4;
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int16_t A[m][n];
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int16_t *A_ptr = (int16_t *)A;
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int16_t B[n][k];
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int16_t *B_ptr = (int16_t *)B;
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int16_t C[m][k];
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int16_t *C_ptr = (int16_t *)C;
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portENTER_CRITICAL(&testnlock);
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unsigned int start_b = xthal_get_ccount();
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int repeat_count = 1024;
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for (int i = 0 ; i < repeat_count ; i++) {
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dspm_mult_s16_ansi(A_ptr, B_ptr, C_ptr, m, n, k, 0);
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}
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unsigned int end_b = xthal_get_ccount();
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portEXIT_CRITICAL(&testnlock);
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float total_b = end_b - start_b;
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float cycles = total_b / (repeat_count);
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ESP_LOGI("dspm_mult_s16_ansi", "Benchmark dspm_mult_s16_ansi - %f per multiplication %ix%ix%i.\n", cycles, m, n, k);
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float min_exec = 1000;
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float max_exec = 3000;
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TEST_ASSERT_EXEC_IN_RANGE(min_exec, max_exec, cycles);
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} |