[PATCH] app/dma-perf: add average latency per worker
Varghese, Vipin
vipin.varghese at amd.com
Wed Feb 28 04:05:25 CET 2024
On 2/23/2024 3:15 PM, fengchengwen wrote:
> Caution: This message originated from an External Source. Use proper caution when opening attachments, clicking links, or responding.
>
>
> Hi Vipin,
>
> On 2023/12/20 0:40, Vipin Varghese wrote:
>> Modify the user display data with total average latency per worker.
>>
>> Signed-off-by: Vipin Varghese <vipin.varghese at amd.com>
>> ---
>> app/test-dma-perf/benchmark.c | 3 ++-
>> 1 file changed, 2 insertions(+), 1 deletion(-)
>>
>> diff --git a/app/test-dma-perf/benchmark.c b/app/test-dma-perf/benchmark.c
>> index 9b1f58c78c..8b6886af62 100644
>> --- a/app/test-dma-perf/benchmark.c
>> +++ b/app/test-dma-perf/benchmark.c
>> @@ -470,7 +470,8 @@ mem_copy_benchmark(struct test_configure *cfg, bool is_dma)
>> bandwidth_total += bandwidth;
>> avg_cycles_total += avg_cycles;
>> }
>> - printf("\nTotal Bandwidth: %.3lf Gbps, Total MOps: %.3lf\n", bandwidth_total, mops_total);
>> + printf("\nAverage Cycles/op: %.2lf, Total Bandwidth: %.3lf Gbps, Total MOps: %.3lf\n",
>> + (float) avg_cycles_total / nb_workers, bandwidth_total, mops_total);
> Because this is total stats, suggest add Total prefix, e.g. "Total Average Cycles/op"
>
> I think print format keep one-digit precision is enough. Also please modify CSV_TOTAL_LINE_FMT
> make sure the csv also have same precision of Cycles/op.
Thank you Chengwen, let me share v2 shortly.
>
> Thanks
>
>> snprintf(output_str[MAX_WORKER_NB], MAX_OUTPUT_STR_LEN, CSV_TOTAL_LINE_FMT,
>> cfg->scenario_id, nr_buf, memory * nb_workers,
>> avg_cycles_total / nb_workers, bandwidth_total, mops_total);
>>
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