It would need a parameter for model. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 עַם יִשְׂרָאֵל חַי נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר
________________________________________ From: IBM Mainframe Assembler List <ASSEMBLER-LIST@LISTSERV.UGA.EDU> on behalf of Paul Gilmartin <00000014e0e4a59b-dmarc-requ...@listserv.uga.edu> Sent: Saturday, August 23, 2025 2:56 PM To: ASSEMBLER-LIST@LISTSERV.UGA.EDU <ASSEMBLER-LIST@LISTSERV.UGA.EDU> Subject: Re: Execute-Type Instructions External Message: Use Caution On 8/23/25 12:45, Rupert Reynolds wrote: > Agreed we should generally look at the bigger picture, but sometimes seeing > something in a hot spot that stalls the instruction pipeline can be > worthwhile, and thinking down to CPU level occasionally can help us spot > them faster. > ... Decades ago there was a utility for the CDC 6600 that examined assembly code and flagged stalls. Is thee any such for z? AI if necessary. -- gil