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umulp is more delay intensive than regular umul

bugSomething isn't working or is incorrectSomething isn't working or is incorrect

codegenRelated to emitting (System)Verilog.Related to emitting (System)Verilog.

delay modelPredicting/modeling delays of target (backend) processesPredicting/modeling delays of target (backend) processes

Status: Open.

#1810 In google/xls;

· proppy opened on Dec 20, 2024

[enhancement] Add test points for mixed width operands in the delay model

delay modelPredicting/modeling delays of target (backend) processesPredicting/modeling delays of target (backend) processes

enhancementNew feature or requestNew feature or request

Status: Open.

#1582 In google/xls;

· rw1nkler opened on Sep 3, 2024

[enhancement] XLS' understanding of delay needs to address (upside potential for) skew in bit-level delays

delay modelPredicting/modeling delays of target (backend) processesPredicting/modeling delays of target (backend) processes

enhancementNew feature or requestNew feature or request

long-term-enhancementIssues that are sensible enhancements but XLS devs expect may not be addressed in the near-termIssues that are sensible enhancements but XLS devs expect may not be addressed in the near-term

Status: Open.

#1376 In google/xls;

· cdleary opened on Apr 10, 2024

Delay model generation: use a distilled version of the ASAP7 Liberty file for faster processing.

delay modelPredicting/modeling delays of target (backend) processesPredicting/modeling delays of target (backend) processes

open-pdkRelating to Open PDK support (SKY130, ASAP7)Relating to Open PDK support (SKY130, ASAP7)

oss-backendRelates to the open source ASIC tool backend flowsRelates to the open source ASIC tool backend flows

Status: Open.

#1026 In google/xls;

· tcal-x opened on Jun 13, 2023

Reconsider parameters used for delay model regression curve fit for multiplies (umul, smul)

delay modelPredicting/modeling delays of target (backend) processesPredicting/modeling delays of target (backend) processes

Status: Open.

#1022 In google/xls;

· tcal-x opened on Jun 8, 2023

Create a paper trail for delay models regarding how they were produced and can be reproduced

delay modelPredicting/modeling delays of target (backend) processesPredicting/modeling delays of target (backend) processes

Status: Open.

#1021 In google/xls;

· tcal-x opened on Jun 8, 2023

Delay model generation: add support for specialization HAS_LITERAL_OPERAND

delay modelPredicting/modeling delays of target (backend) processesPredicting/modeling delays of target (backend) processes

Status: Open.

#1001 In google/xls;

· tcal-x opened on May 30, 2023

Delay model generation: read in existing checkpoint file if one exists

delay modelPredicting/modeling delays of target (backend) processesPredicting/modeling delays of target (backend) processes

Status: Open.

#1000 In google/xls;

· tcal-x opened on May 30, 2023

Delay model generation: can't characterize signExt because of Yosys optimization

delay modelPredicting/modeling delays of target (backend) processesPredicting/modeling delays of target (backend) processes

oss-backendRelates to the open source ASIC tool backend flowsRelates to the open source ASIC tool backend flows

Status: Open.

#999 In google/xls;

· tcal-x opened on May 30, 2023

add end-to-end backend flow for DSLX examples

buildRelated to build flow, build system, or build macrosRelated to build flow, build system, or build macros

delay modelPredicting/modeling delays of target (backend) processesPredicting/modeling delays of target (backend) processes

open-pdkRelating to Open PDK support (SKY130, ASAP7)Relating to Open PDK support (SKY130, ASAP7)

oss-backendRelates to the open source ASIC tool backend flowsRelates to the open source ASIC tool backend flows

☂️ umbrellaUmbrella issue used to track othersUmbrella issue used to track others

Status: Open.

#996 In google/xls;

· proppy opened on May 30, 2023

Consider multi-width ops in IR or automatic strength-reduction in the optimizer

delay modelPredicting/modeling delays of target (backend) processesPredicting/modeling delays of target (backend) processes

dslxDSLX (domain specific language) implementation / front-endDSLX (domain specific language) implementation / front-end

enhancementNew feature or requestNew feature or request

optimizerRelated to IR optimization or analysisRelated to IR optimization or analysis

Status: Open.

#970 In google/xls;

· hongted opened on May 19, 2023

benchmark_main should print out the delay model used.

delay modelPredicting/modeling delays of target (backend) processesPredicting/modeling delays of target (backend) processes

Status: Open.

#872 In google/xls;

· tcal-x opened on Feb 28, 2023