IBM Data and AI Ideas Portal for Customers


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Spectrum LSF

Showing 24

Affinity scheduling must take L3 cache hierarchy into account

Newer CPUs have multiple L3 caches, with dedicated cores per L3 cache. Running multi-threaded jobs on all cores within a shared L3 cache can reduce runtime in our cases up 70%, compared to running over multiple L3 caches. Think of the AMD EPYC 935...
about 1 month ago in Spectrum LSF / Scheduling 2 Planned for future release

Regular expressions in calculated fields

For some raw-data fields like res_req or effective_res_req in the job_acct index, it is right now not possible to extract single parameters like the mem-parameter in the rusage section. This could be achieved by supporting regular expressions (reg...
3 months ago in Spectrum LSF / Reporting/Explorer 0 Planned for future release

Improve bsub rejection messages for troubleshooting

Improve the error messages returned from bsub failiure. For example, provide the rusage string and potentially specified what is wrong with rusage. Here is current failure message: Error in rusage section. Job not submitted.
about 2 months ago in Spectrum LSF / Scheduling 0 Planned for future release

LSF job query filter on pending jobs without providing pending reasons

For large LSF clusters, the bjobs command takes significant time to gather the pending reasons (-p, -pei, -pe, -pi) making the query much longer than requesting all jobs. Suggest a new bjobs option to filter on pending jobs without supplying the p...
2 months ago in Spectrum LSF / Scheduling 0 Planned for future release

Add possibility to assign cores from the same CCX in AMD CPUs to make use of the same L3 cache.

With a specific 2-core workload we noticed significant performance improvements of about 50% in shorter runtime when both cores reside on the same L3 cache group (CCX) of an AMD EPYC CPU.Therefore it would be very beneficial to be able to have LSF...
over 1 year ago in Spectrum LSF / Scheduling 0 Planned for future release

Enhance lsmake4 to support Grouped Target's in the latest version of make 4.4.1

Currently our tools are using Grouped Target's which don't properly work causing quite a bit of rework after the initial compile.
10 months ago in Spectrum LSF / Scheduling 0 Planned for future release

Rotate lsb.acct in every hour

We can only rotate lsb.acct in every day, but we can't do it in every hour or with customized interval time slot. Please add this feature.
10 months ago in Spectrum LSF / Other 1 Planned for future release

truncated hostnames in bjobs output

For a debug where hosts are available but jobs are not landing on them - I need to run bjobs -UF (or -l) -p2 This command generates below like data structure Slots are reserved for guarantees: xxx3-sim-d18-081, xxx-sim-d18-077, xxx- sim-d30-065, x...
5 months ago in Spectrum LSF / Scheduling 0 Planned for future release

Allow user access tokens to have a lifetime similar to 'remember me' support industry best practice

Currently, we have robots that submit jobs using the Web Interface. The tokens expiration is currently static, and there is no API endpoint to determine the validity of the token which means that job submission and controls can fail randomly witho...
almost 2 years ago in Spectrum LSF / End User UI/Applicaton Center 0 Planned for future release

tool to list out active and default base params - lsparams

Think of 'bparams' and the level of details that it provides with args '-la'. This helps in figuring out what all params are configured as default or what defaults values are affecting the scheduling. Such a tool does not exist for LSF Base config...
about 1 year ago in Spectrum LSF / Scheduling 0 Planned for future release

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