<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugzilla.yoctoproject.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.6"
          urlbase="https://bugzilla.yoctoproject.org/"
          
          maintainer="it-coreprojects-helpdesk@linuxfoundation.org"
>

    <bug>
          <bug_id>15411</bug_id>
          
          <creation_ts>2024-02-23 02:00:42 +0000</creation_ts>
          <short_desc>New version stress-ng, most result of cpu-method test is lower than old version stress-ng</short_desc>
          <delta_ts>2024-02-29 15:37:43 +0000</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>10</classification_id>
          <classification>QA/Testing</classification>
          <product>Package Testing (ptest)</product>
          <component>ptest</component>
          <version>4.3.3</version>
          <rep_platform>x86</rep_platform>
          <op_sys>x86_64</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>INVALID</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>Undecided</priority>
          <bug_severity>major</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="robert1030tw">pptsung</reporter>
          <assigned_to name="Unassigned">unassigned</assigned_to>
          <cc>randy.macleod</cc>
          
          
          <cf_os>---</cf_os>
          <cf_regression_type>---</cf_regression_type>
          
          <cf_docchange>No (bug/feature does not impact docs)</cf_docchange>

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>98313</commentid>
    <comment_count>0</comment_count>
      <attachid>5016</attachid>
    <who name="robert1030tw">pptsung</who>
    <bug_when>2024-02-23 02:00:42 +0000</bug_when>
    <thetext>Created attachment 5016
stress-ng0.16.05_kernel6.1.30_yocto4.3.3_atom3508

Build Configuration:
BB_VERSION           = &quot;2.6.0&quot;
BUILD_SYS            = &quot;x86_64-linux&quot;
NATIVELSBSTRING      = &quot;universal&quot;
TARGET_SYS           = &quot;x86_64-poky-linux&quot;
MACHINE              = &quot;genericx86-64&quot;
DISTRO               = &quot;poky&quot;
DISTRO_VERSION       = &quot;4.3.3&quot;
TUNE_FEATURES        = &quot;m64 core2&quot;
TARGET_FPU           = &quot;&quot;
meta
meta-poky
meta-yocto-bsp       = &quot;nanbield:d3b27346c3a4a7ef7ec517e9d339d22bda74349d&quot;
meta-intel           = &quot;nanbield:8d633bd01e20e31c0dae58cf3cd41eddb2f712c7&quot;

Stress-ng version of Yocto-4.3.3
Default version: 0.16.05
Manual compare version: 0.13.12

Test PC arch info:
CPU: Intel Atom C3508
Memory size: 32G
Memory speed: 1866

Stress-ng test cpu performance command:
for m in cdouble crc16 fft int32float int64float \
ipv4checksum matrixprod parity queens sqrt union; do echo -e $m; \
stress-ng --cpu 0 --cpu-method $m  --metrics-brief -t 60; done

Test result:
Most CPU test result in stress-ng 0.16.05 is lower than stress-ng 0.13.12 at the same CPU and Test PC

cpu_stress_result_stress-ng0.16.05_kernel6.1.30_yocto4.3.3_atom3508.txt
cpu_stress_result_stress-ng0.13.12_kernel6.1.30_yocto4.3.3_atom3508.txt</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>98314</commentid>
    <comment_count>1</comment_count>
      <attachid>5017</attachid>
    <who name="robert1030tw">pptsung</who>
    <bug_when>2024-02-23 02:01:26 +0000</bug_when>
    <thetext>Created attachment 5017
stress-ng0.13.12_kernel6.1.30_yocto4.3.3_atom3508

stress-ng0.13.12_kernel6.1.30_yocto4.3.3_atom3508</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>98359</commentid>
    <comment_count>2</comment_count>
    <who name="Randy MacLeod">randy.macleod</who>
    <bug_when>2024-02-29 15:37:43 +0000</bug_when>
    <thetext>Unless this is something to do with the compiler or other toolchain components, which does not appear to be the case, please work with the upstream stress-ng developers.
Maybe you could just revert the stress-ng and test that change to confirm that it&apos;s just the stress-ng upgrade that affects the performance.</thetext>
  </long_desc>
      
          <attachment
              isobsolete="0"
              ispatch="0"
              isprivate="0"
          >
            <attachid>5016</attachid>
            <date>2024-02-23 02:00:42 +0000</date>
            <delta_ts>2024-02-23 02:00:42 +0000</delta_ts>
            <desc>stress-ng0.16.05_kernel6.1.30_yocto4.3.3_atom3508</desc>
            <filename>cpu_stress_result_stress-ng0.16.05_kernel6.1.30_yocto4.3.3_atom3508.txt</filename>
            <type>text/plain</type>
            <size>7503</size>
            <attacher name="robert1030tw">pptsung</attacher>
            
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            <attachid>5017</attachid>
            <date>2024-02-23 02:01:26 +0000</date>
            <delta_ts>2024-02-23 02:01:26 +0000</delta_ts>
            <desc>stress-ng0.13.12_kernel6.1.30_yocto4.3.3_atom3508</desc>
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    </bug>

</bugzilla>