FLAC Audio Encoding

This test times how long it takes to encode a sample WAV file to FLAC format ten times.

To run this test with the Phoronix Test Suite, the basic command is: phoronix-test-suite benchmark encode-flac.

Project Site

xiph.org

Source Repository

github.com

Test Created

6 December 2010

Last Updated

28 September 2021

Test Maintainer

Michael Larabel 

Test Type

Average Install Time

36 Seconds

Average Run Time

59 Seconds

Test Dependencies

C/C++ Compiler Toolchain

Accolades

250k+ Downloads + 10k+ Public Benchmark Results + Recently Updated Test Profile

Supported Platforms


Public Result Uploads *Reported Test Completions **Reported Installs **Test Profile Page Views ***OpenBenchmarking.orgEventsFLAC Audio Encoding Popularity Statisticspts/encode-flac2010.122011.042011.082011.122012.042012.082012.122013.042013.082013.122014.042014.082014.122015.042015.082015.122016.042016.082016.122017.042017.082017.122018.042018.082018.122019.042019.082019.122020.042020.082020.122021.042021.0860K120K180K240K300K
* Uploading of benchmark result data to OpenBenchmarking.org is always optional (opt-in) via the Phoronix Test Suite for users wishing to share their results publicly.
** Data based on those opting to upload their test results to OpenBenchmarking.org and users enabling the opt-in anonymous statistics reporting while running benchmarks from an Internet-connected platform.
*** Test profile page view reporting began March 2021.
Data current as of 16 October 2021.

Revision History

pts/encode-flac-1.7.0   [View Source]   Tue, 28 Sep 2021 16:05:54 GMT
Update against (belated) FLAC 1.3.3 upstream release and add system dependency check for Ogg header.

pts/encode-flac-1.6.0   [View Source]   Sun, 04 Mar 2018 09:38:58 GMT
Update against FLAC 1.3.2 from 1.3.1, add Windows support.

pts/encode-flac-1.5.0   [View Source]   Thu, 27 Nov 2014 14:14:40 GMT
Change encode-flac run times for audio conversion to three due to fast run times on modern CPUs.

pts/encode-flac-1.4.0   [View Source]   Thu, 27 Nov 2014 14:09:10 GMT
Update encode-flac against new upstream FLAC 1.3.1 release.

pts/encode-flac-1.3.0   [View Source]   Fri, 21 Jun 2013 14:40:13 GMT
Update against upstream Xiph.Org FLAC 1.3.0.

pts/encode-flac-1.2.0   [View Source]   Mon, 06 Dec 2010 14:41:03 GMT
Initial import into OpenBenchmarking.org

Suites Using This Test

Audio Encoding

C/C++ Compiler Tests

Encoding

CPU Massive

Creator Workloads

Single-Threaded


Performance Metrics

Analyze Test Configuration:

FLAC Audio Encoding 1.3.3

WAV To FLAC

OpenBenchmarking.org metrics for this test profile configuration based on 185 public results since 28 September 2021 with the latest data as of 15 October 2021.

Below is an overview of the generalized performance for components where there is sufficient statistically significant data based upon user-uploaded results. It is important to keep in mind particularly in the Linux/open-source space there can be vastly different OS configurations, with this overview intended to offer just general guidance as to the performance expectations.

OpenBenchmarking.orgDistribution Of Public Results - WAV To FLAC175 Results Range From 10 To 732 Seconds103764911181451721992262532803073343613884154424694965235505776046316586857127394080120160200

Based on OpenBenchmarking.org data, the selected test / test configuration (FLAC Audio Encoding 1.3.3 - WAV To FLAC) has an average run-time of 2 minutes. By default this test profile is set to run at least 5 times but may increase if the standard deviation exceeds pre-defined defaults or other calculations deem additional runs necessary for greater statistical accuracy of the result.

OpenBenchmarking.orgMinutesTime Required To Complete BenchmarkWAV To FLACRun-Time48121620Min: 1 / Avg: 1.67 / Max: 14

Based on public OpenBenchmarking.org results, the selected test / test configuration has an average standard deviation of 0.2%.

OpenBenchmarking.orgPercent, Fewer Is BetterAverage Deviation Between RunsWAV To FLACDeviation246810Min: 0 / Avg: 0.2 / Max: 3

Notable Instruction Set Usage

Notable instruction set extensions supported by this test, based on an automatic analysis by the Phoronix Test Suite / OpenBenchmarking.org analytics engine.

Instruction Set
Support
Instructions Detected
SSE2 (SSE2)
Used by default on supported hardware.
 
MOVDQA MOVAPD MULSD ADDSD CVTSI2SD SUBSD UNPCKLPD DIVSD UCOMISD SQRTSD PUNPCKLQDQ ANDPD CVTTSD2SI ANDNPD CMPNLESD ORPD MOVDQU MOVD COMISD PADDQ XORPD CVTSD2SS CVTSS2SD PSRLDQ PSHUFD PSLLDQ CVTDQ2PS CVTPD2PS MAXSD PMULUDQ MINSD CVTDQ2PD SUBPD DIVPD MULPD
SSSE3 (SSSE3)
Used by default on supported hardware.
 
PABSD PALIGNR PHADDD
Used by default on supported hardware.
Found on Intel processors since Sandy Bridge (2011).
Found on AMD processors since Bulldozer (2011).

 
VZEROUPPER VBROADCASTSS VEXTRACTF128 VINSERTF128 VBROADCASTSD
Used by default on supported hardware.
Found on Intel processors since Haswell (2013).
Found on AMD processors since Excavator (2016).

 
VPBROADCASTD VINSERTI128 VEXTRACTI128 VPERMD VPERMQ VPERM2I128 VPBROADCASTQ VPGATHERQD
FMA (FMA)
Requires passing a supported compiler/build flag (verified with targets: skylake, tigerlake, cascadelake, znver2, znver3).
Found on Intel processors since Haswell (2013).
Found on AMD processors since Bulldozer (2011).

 
VFMADD231SD VFMADD132SD VFMSUB231SS VFMADD231SS VFMSUB231SD VFMADD213SS VFNMADD231SD VFNMADD132SD VFMADD213SD VFMADD231PS VFMADD132PS VFNMADD132PD
The test / benchmark does honor compiler flag changes.
Last automated analysis: 10 May 2021

This test profile binary relies on the shared libraries libFLAC.so.8, libm.so.6, libc.so.6.

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