TBH that doesn't sound like hadrian is slow, it sounds like the test harness or the tests themselves (maybe RTS startup/shutdown?) are and hadrian's giving you the play-by-play from it.
On Sun, Sep 27, 2026 at 4:37 PM Simon Peyton Jones via ghc-devs < [email protected]> wrote: > Friends > > Is it my imagination or has Hadrian become a LOT slower? > > I am trying to run a single test, thus: > > hadrian/build -j6 \ > --flavour=perf+no_profiled_libs+ticky_ghc \ > test \ > --skip=_build/stage0/** \ > --skip=_build/stage1/** \ > --skip=_build/stage1/rts/** \ > --skip=_build/stage1/libraries/** \ > --skip=_build/stage1/utils/** \ > --docs=none \ > --only=ClassOperator > > This takes 70 seconds, of which almost all is spent with Hadrian saying > stuff below > > *Something must be wrong! * > > Seventy seconds to run one test! Then to accept the new output is another > 70 seconds. If I have a couple of dozen test-output wibbles to fix, that > adds up to a lot of time. > > Simon > > ]0;Starting...(/home/simonpj/code/HEAD-31) ]0;Running for 5s [119/38037], > predicted 264m08s (0%)(/home/simonpj/code/HEAD-31) ]0;Running for 10s > [8853/38038], predicted 36m59s (0%)(/home/simonpj/code/HEAD-31) ]0;Running > for 15s [12109/38038], predicted 9m46s (2%)(/home/simonpj/code/HEAD-31) > ]0;Running for 20s [13119/38038], predicted 7m03s > (4%)(/home/simonpj/code/HEAD-31) ]0;Running for 25s [13879/38038], > predicted 7m19s (5%)(/home/simonpj/code/HEAD-31) ]0;Running for 30s > [14485/38038], predicted 6m58s (6%)(/home/simonpj/code/HEAD-31) ]0;Running > for 35s [15338/38038], predicted 6m06s (8%)(/home/simonpj/code/HEAD-31) > ]0;Running for 40s [16434/38038], predicted 2m56s > (17%)(/home/simonpj/code/HEAD-31) ]0;Running for 45s [20588/38038], > predicted 3m32s (16%)(/home/simonpj/code/HEAD-31) ]0;Running for 50s > [26354/38038], predicted 63m21s (1%)(/home/simonpj/code/HEAD-31) ]0;Running > for 55s [30040/38038], predicted 49m36s (1%)(/home/simonpj/code/HEAD-31) > ]0;Running for 1m00s [35123/38038], predicted 19m59s > (4%)(/home/simonpj/code/HEAD-31) # ghc > _______________________________________________ > ghc-devs mailing list -- [email protected] > To unsubscribe send an email to [email protected] > -- brandon s allbery kf8nh [email protected]
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