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FPU power consumption #965

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pascalgouedo opened this issue Mar 21, 2024 · 1 comment
Closed

FPU power consumption #965

pascalgouedo opened this issue Mar 21, 2024 · 1 comment
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Component:RTL For issues in the RTL (e.g. for files in the rtl directory) PARAM:FPU Issue depends on the FPU parameter Status:Resolved Issue has been resolved, but closure is pending on git merge and/or issuer confirmation Type:Enhancement For feature requests and enhancements

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@pascalgouedo
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FPU has its own clock gating cell in cv32e40p_top which is only disabled when the Core is in sleep mode due to wfi instruction.
More power consumption power saving could be done by enabling its clock only when an FPU instruction is really executed.
@pascalgouedo pascalgouedo added Type:Enhancement For feature requests and enhancements Component:RTL For issues in the RTL (e.g. for files in the rtl directory) PARAM:FPU Issue depends on the FPU parameter labels Mar 21, 2024
pascalgouedo pushed a commit to pascalgouedo/cv32e40p that referenced this issue Mar 21, 2024
Issue openhwgroup#965 correction
9420d7d 
Signed-off-by: Pascal Gouedo <[email protected]>
davideschiavone added a commit that referenced this issue Mar 25, 2024
@davideschiavone
Merge pull request #966 from pascalgouedo/dev_dd_pgo_rtl_fpu_power
892dd63 
Issue #965 correction
@pascalgouedo
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Corrected with PR #966

@pascalgouedo pascalgouedo added the Status:Resolved Issue has been resolved, but closure is pending on git merge and/or issuer confirmation label May 16, 2024
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Labels
Component:RTL For issues in the RTL (e.g. for files in the rtl directory) PARAM:FPU Issue depends on the FPU parameter Status:Resolved Issue has been resolved, but closure is pending on git merge and/or issuer confirmation Type:Enhancement For feature requests and enhancements
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