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DTolmDTolm
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Updated accuracy of radix-11 and radix-13 multiplicative constants (#58)
-Improved printing of precision tests (-vkfft 11-18)
1 parent 24482f6 commit fc981ec

10 files changed

+201
-136
lines changed

‎Vulkan_FFT.cpp‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -439,7 +439,7 @@ int main(int argc, char* argv[])
439439
version_decomposed[0] = version / 10000;
440440
version_decomposed[1] = (version - version_decomposed[0] * 10000) / 100;
441441
version_decomposed[2] = (version - version_decomposed[0] * 10000 - version_decomposed[1] * 100);
442-
printf("VkFFT v%d.%d.%d (28-12-2021). Author: Tolmachev Dmitrii\n", version_decomposed[0], version_decomposed[1], version_decomposed[2]);
442+
printf("VkFFT v%d.%d.%d (04-01-2022). Author: Tolmachev Dmitrii\n", version_decomposed[0], version_decomposed[1], version_decomposed[2]);
443443
#if (VKFFT_BACKEND==0)
444444
printf("Vulkan backend\n");
445445
#elif (VKFFT_BACKEND==1)

‎benchmark_scripts/vkFFT_scripts/src/sample_11_precision_VkFFT_single.cpp‎

Lines changed: 12 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -276,31 +276,31 @@ VkFFTResult sample_11_precision_VkFFT_single(VkGPU* vkGPU, uint64_t file_output,
276276
uint64_t loc_j = j;
277277
uint64_t loc_l = l;
278278

279-
//if (file_output) fprintf(output, "%f %f - %f %f \n", output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][0] / N, output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][1] / N, output_VkFFT[(loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1])][0], output_VkFFT[(loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1])][1]);
279+
//if (file_output) fprintf(output, "%.2e %.2e - %.2e %.2e \n", output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][0] / N, output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][1] / N, output_VkFFT[(loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1])][0], output_VkFFT[(loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1])][1]);
280280

281-
//printf("%f %f - %f %f \n", output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][0], output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][1], output_VkFFT[(loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1])][0], output_VkFFT[(loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1])][1]);
281+
//printf("%.2e %.2e - %.2e %.2e \n", output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][0], output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][1], output_VkFFT[(loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1])][0], output_VkFFT[(loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1])][1]);
282282
double current_data_norm = sqrt(output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][0] * output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][0] + output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][1] * output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][1]);
283283
#if defined(USE_cuFFT) || defined(USE_rocFFT)
284284
double current_diff_x_extFFT = (output_extFFT[loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1]][0] - output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][0]);
285285
double current_diff_y_extFFT = (output_extFFT[loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1]][1] - output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][1]);
286286
double current_diff_norm_extFFT = sqrt(current_diff_x_extFFT * current_diff_x_extFFT + current_diff_y_extFFT * current_diff_y_extFFT);
287287
if (current_diff_norm_extFFT > max_difference[0]) max_difference[0] = current_diff_norm_extFFT;
288288
avg_difference[0] += current_diff_norm_extFFT;
289-
if ((current_diff_norm_extFFT / current_data_norm > max_eps[0]) && (current_data_norm > 1e-10)) {
289+
if ((current_diff_norm_extFFT / current_data_norm > max_eps[0])) {
290290
max_eps[0] = current_diff_norm_extFFT / current_data_norm;
291291
}
292-
avg_eps[0] += (current_data_norm > 1e-10) ? current_diff_norm_extFFT / current_data_norm : 0;
292+
avg_eps[0] += current_diff_norm_extFFT / current_data_norm;
293293
#endif
294294

295295
double current_diff_x_VkFFT = (output_VkFFT[loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1]][0] - output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][0]);
296296
double current_diff_y_VkFFT = (output_VkFFT[loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1]][1] - output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][1]);
297297
double current_diff_norm_VkFFT = sqrt(current_diff_x_VkFFT * current_diff_x_VkFFT + current_diff_y_VkFFT * current_diff_y_VkFFT);
298298
if (current_diff_norm_VkFFT > max_difference[1]) max_difference[1] = current_diff_norm_VkFFT;
299299
avg_difference[1] += current_diff_norm_VkFFT;
300-
if ((current_diff_norm_VkFFT / current_data_norm > max_eps[1]) && (current_data_norm > 1e-10)) {
300+
if ((current_diff_norm_VkFFT / current_data_norm > max_eps[1])) {
301301
max_eps[1] = current_diff_norm_VkFFT / current_data_norm;
302302
}
303-
avg_eps[1] += (current_data_norm > 1e-10) ? current_diff_norm_VkFFT / current_data_norm : 0;
303+
avg_eps[1] += current_diff_norm_VkFFT / current_data_norm;
304304
}
305305
}
306306
}
@@ -310,17 +310,17 @@ VkFFTResult sample_11_precision_VkFFT_single(VkGPU* vkGPU, uint64_t file_output,
310310
avg_eps[1] /= (dims[0] * dims[1] * dims[2]);
311311
#ifdef USE_cuFFT
312312
if (file_output)
313-
fprintf(output, "cuFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %f max_difference: %f avg_eps: %f max_eps: %f\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
314-
printf("cuFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %f max_difference: %f avg_eps: %f max_eps: %f\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
313+
fprintf(output, "cuFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.2e max_difference: %.2e avg_eps: %.2e max_eps: %.2e\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
314+
printf("cuFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.2e max_difference: %.2e avg_eps: %.2e max_eps: %.2e\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
315315
#endif
316316
#ifdef USE_rocFFT
317317
if (file_output)
318-
fprintf(output, "rocFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %f max_difference: %f avg_eps: %f max_eps: %f\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
319-
printf("rocFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %f max_difference: %f avg_eps: %f max_eps: %f\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
318+
fprintf(output, "rocFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.2e max_difference: %.2e avg_eps: %.2e max_eps: %.2e\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
319+
printf("rocFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.2e max_difference: %.2e avg_eps: %.2e max_eps: %.2e\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
320320
#endif
321321
if (file_output)
322-
fprintf(output, "VkFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %f max_difference: %f avg_eps: %f max_eps: %f\n", dims[0], dims[1], dims[2], avg_difference[1], max_difference[1], avg_eps[1], max_eps[1]);
323-
printf("VkFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %f max_difference: %f avg_eps: %f max_eps: %f\n", dims[0], dims[1], dims[2], avg_difference[1], max_difference[1], avg_eps[1], max_eps[1]);
322+
fprintf(output, "VkFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.2e max_difference: %.2e avg_eps: %.2e max_eps: %.2e\n", dims[0], dims[1], dims[2], avg_difference[1], max_difference[1], avg_eps[1], max_eps[1]);
323+
printf("VkFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.2e max_difference: %.2e avg_eps: %.2e max_eps: %.2e\n", dims[0], dims[1], dims[2], avg_difference[1], max_difference[1], avg_eps[1], max_eps[1]);
324324
free(output_VkFFT);
325325
for (uint64_t i = 0; i < numBuf; i++) {
326326
#if(VKFFT_BACKEND==0)

‎benchmark_scripts/vkFFT_scripts/src/sample_12_precision_VkFFT_double.cpp‎

Lines changed: 10 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -285,21 +285,21 @@ VkFFTResult sample_12_precision_VkFFT_double(VkGPU* vkGPU, uint64_t file_output,
285285
double current_diff_norm_extFFT = sqrt(current_diff_x_extFFT * current_diff_x_extFFT + current_diff_y_extFFT * current_diff_y_extFFT);
286286
if (current_diff_norm_extFFT > max_difference[0]) max_difference[0] = current_diff_norm_extFFT;
287287
avg_difference[0] += current_diff_norm_extFFT;
288-
if ((current_diff_norm_extFFT / current_data_norm > max_eps[0]) && (current_data_norm > 1e-10)) {
288+
if ((current_diff_norm_extFFT / current_data_norm > max_eps[0])) {
289289
max_eps[0] = current_diff_norm_extFFT / current_data_norm;
290290
}
291-
avg_eps[0] += (current_data_norm > 1e-10) ? current_diff_norm_extFFT / current_data_norm : 0;
291+
avg_eps[0] += current_diff_norm_extFFT / current_data_norm;
292292
#endif
293293

294294
double current_diff_x_VkFFT = (output_VkFFT[loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1]][0] - output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][0]);
295295
double current_diff_y_VkFFT = (output_VkFFT[loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1]][1] - output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][1]);
296296
double current_diff_norm_VkFFT = sqrt(current_diff_x_VkFFT * current_diff_x_VkFFT + current_diff_y_VkFFT * current_diff_y_VkFFT);
297297
if (current_diff_norm_VkFFT > max_difference[1]) max_difference[1] = current_diff_norm_VkFFT;
298298
avg_difference[1] += current_diff_norm_VkFFT;
299-
if ((current_diff_norm_VkFFT / current_data_norm > max_eps[1]) && (current_data_norm > 1e-16)) {
299+
if ((current_diff_norm_VkFFT / current_data_norm > max_eps[1])) {
300300
max_eps[1] = current_diff_norm_VkFFT / current_data_norm;
301301
}
302-
avg_eps[1] += (current_data_norm > 1e-10) ? current_diff_norm_VkFFT / current_data_norm : 0;
302+
avg_eps[1] += current_diff_norm_VkFFT / current_data_norm;
303303
}
304304
}
305305
}
@@ -309,17 +309,17 @@ VkFFTResult sample_12_precision_VkFFT_double(VkGPU* vkGPU, uint64_t file_output,
309309
avg_eps[1] /= (dims[0] * dims[1] * dims[2]);
310310
#ifdef USE_cuFFT
311311
if (file_output)
312-
fprintf(output, "cuFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.15f max_difference: %.15f avg_eps: %.15f max_eps: %.15f\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
313-
printf("cuFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.15f max_difference: %.15f avg_eps: %.15f max_eps: %.15f\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
312+
fprintf(output, "cuFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.2e max_difference: %.2e avg_eps: %.2e max_eps: %.2e\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
313+
printf("cuFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.2e max_difference: %.2e avg_eps: %.2e max_eps: %.2e\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
314314
#endif
315315
#ifdef USE_rocFFT
316316
if (file_output)
317-
fprintf(output, "rocFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.15f max_difference: %.15f avg_eps: %.15f max_eps: %.15f\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
318-
printf("rocFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.15f max_difference: %.15f avg_eps: %.15f max_eps: %.15f\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
317+
fprintf(output, "rocFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.2e max_difference: %.2e avg_eps: %.2e max_eps: %.2e\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
318+
printf("rocFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.2e max_difference: %.2e avg_eps: %.2e max_eps: %.2e\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
319319
#endif
320320
if (file_output)
321-
fprintf(output, "VkFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.15f max_difference: %.15f avg_eps: %.15f max_eps: %.15f\n", dims[0], dims[1], dims[2], avg_difference[1], max_difference[1], avg_eps[1], max_eps[1]);
322-
printf("VkFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.15f max_difference: %.15f avg_eps: %.15f max_eps: %.15f\n", dims[0], dims[1], dims[2], avg_difference[1], max_difference[1], avg_eps[1], max_eps[1]);
321+
fprintf(output, "VkFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.2e max_difference: %.2e avg_eps: %.2e max_eps: %.2e\n", dims[0], dims[1], dims[2], avg_difference[1], max_difference[1], avg_eps[1], max_eps[1]);
322+
printf("VkFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.2e max_difference: %.2e avg_eps: %.2e max_eps: %.2e\n", dims[0], dims[1], dims[2], avg_difference[1], max_difference[1], avg_eps[1], max_eps[1]);
323323
free(output_VkFFT);
324324
for (uint64_t i = 0; i < numBuf; i++) {
325325

‎benchmark_scripts/vkFFT_scripts/src/sample_13_precision_VkFFT_half.cpp‎

Lines changed: 10 additions & 10 deletions
Original file line numberDiff line numberDiff line change
@@ -274,30 +274,30 @@ VkFFTResult sample_13_precision_VkFFT_half(VkGPU* vkGPU, uint64_t file_output, F
274274
uint64_t loc_j = j;
275275
uint64_t loc_l = l;
276276

277-
//if (file_output) fprintf(output, "%f %f - %f %f \n", output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][0] / N, output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][1] / N, output_VkFFT[(loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1])][0], output_VkFFT[(loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1])][1]);
278-
//printf("%f %f - %f %f \n", output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][0] / N, output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][1] / N, output_VkFFT[(loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1])][0], output_VkFFT[(loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1])][1]);
277+
//if (file_output) fprintf(output, "%.2e %.2e - %.2e %.2e \n", output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][0] / N, output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][1] / N, output_VkFFT[(loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1])][0], output_VkFFT[(loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1])][1]);
278+
//printf("%.2e %.2e - %.2e %.2e \n", output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][0] / N, output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][1] / N, output_VkFFT[(loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1])][0], output_VkFFT[(loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1])][1]);
279279
double current_data_norm = sqrt(output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][0] * output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][0] + output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][1] * output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][1]);
280280
#ifdef USE_cuFFT
281281
double current_diff_x_extFFT = (output_extFFT[loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1]][0] - output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][0]);
282282
double current_diff_y_extFFT = (output_extFFT[loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1]][1] - output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][1]);
283283
double current_diff_norm_extFFT = sqrt(current_diff_x_extFFT * current_diff_x_extFFT + current_diff_y_extFFT * current_diff_y_extFFT);
284284
if (current_diff_norm_extFFT > max_difference[0]) max_difference[0] = current_diff_norm_extFFT;
285285
avg_difference[0] += current_diff_norm_extFFT;
286-
if ((current_diff_norm_extFFT / current_data_norm > max_eps[0]) && (current_data_norm > 1e-10)) {
286+
if ((current_diff_norm_extFFT / current_data_norm > max_eps[0])) {
287287
max_eps[0] = current_diff_norm_extFFT / current_data_norm;
288288
}
289-
avg_eps[0] += (current_data_norm > 1e-10) ? current_diff_norm_extFFT / current_data_norm : 0;
289+
avg_eps[0] += current_diff_norm_extFFT / current_data_norm;
290290
#endif
291291

292292
double current_diff_x_VkFFT = (output_VkFFT[loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1]][0] - output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][0]);
293293
double current_diff_y_VkFFT = (output_VkFFT[loc_i + loc_j * dims[0] + loc_l * dims[0] * dims[1]][1] - output_FFTW[i + j * dims[0] + l * dims[0] * dims[1]][1]);
294294
double current_diff_norm_VkFFT = sqrt(current_diff_x_VkFFT * current_diff_x_VkFFT + current_diff_y_VkFFT * current_diff_y_VkFFT);
295295
if (current_diff_norm_VkFFT > max_difference[1]) max_difference[1] = current_diff_norm_VkFFT;
296296
avg_difference[1] += current_diff_norm_VkFFT;
297-
if ((current_diff_norm_VkFFT / current_data_norm > max_eps[1]) && (current_data_norm > 1e-10)) {
297+
if ((current_diff_norm_VkFFT / current_data_norm > max_eps[1])) {
298298
max_eps[1] = current_diff_norm_VkFFT / current_data_norm;
299299
}
300-
avg_eps[1] += (current_data_norm > 1e-10) ? current_diff_norm_VkFFT / current_data_norm : 0;
300+
avg_eps[1] += current_diff_norm_VkFFT / current_data_norm;
301301
}
302302
}
303303
}
@@ -307,12 +307,12 @@ VkFFTResult sample_13_precision_VkFFT_half(VkGPU* vkGPU, uint64_t file_output, F
307307
avg_eps[1] /= (dims[0] * dims[1] * dims[2]);
308308
#ifdef USE_cuFFT
309309
if (file_output)
310-
fprintf(output, "cuFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %f max_difference: %f avg_eps: %f max_eps: %f\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
311-
printf("cuFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %f max_difference: %f avg_eps: %f max_eps: %f\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
310+
fprintf(output, "cuFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.2e max_difference: %.2e avg_eps: %.2e max_eps: %.2e\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
311+
printf("cuFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.2e max_difference: %.2e avg_eps: %.2e max_eps: %.2e\n", dims[0], dims[1], dims[2], avg_difference[0], max_difference[0], avg_eps[0], max_eps[0]);
312312
#endif
313313
if (file_output)
314-
fprintf(output, "VkFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %f max_difference: %f avg_eps: %f max_eps: %f\n", dims[0], dims[1], dims[2], avg_difference[1], max_difference[1], avg_eps[1], max_eps[1]);
315-
printf("VkFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %f max_difference: %f avg_eps: %f max_eps: %f\n", dims[0], dims[1], dims[2], avg_difference[1], max_difference[1], avg_eps[1], max_eps[1]);
314+
fprintf(output, "VkFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.2e max_difference: %.2e avg_eps: %.2e max_eps: %.2e\n", dims[0], dims[1], dims[2], avg_difference[1], max_difference[1], avg_eps[1], max_eps[1]);
315+
printf("VkFFT System: %" PRIu64 "x%" PRIu64 "x%" PRIu64 " avg_difference: %.2e max_difference: %.2e avg_eps: %.2e max_eps: %.2e\n", dims[0], dims[1], dims[2], avg_difference[1], max_difference[1], avg_eps[1], max_eps[1]);
316316
free(output_VkFFT);
317317
for (uint64_t i = 0; i < numBuf; i++) {
318318

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