That seems to have fixed one problem, but I now get:
<<ghc: 89630452 bytes, 7 GCs, 3328000/6496256 avg/max bytes residency
(2 samples), 65M in use, 0.00 INIT (0.00 elapsed), 0.27 MUT (0.63
elapsed), 0.08 GC (0.11 elapsed) :ghc>>
/Users/nominolo/code/ghc/ng-api/ghc/stage1-inplace/ghc
-DGHCI_TABLES_NEXT_TO_CODE -DSTAGE=2 -package-name ghc-6.11.20081205
-hide-all-packages -no-user-package-conf -i -idist-stage2/build
-inativeGen -ibasicTypes -icmm -icodeGen -icoreSyn -icprAnalysis
-ideSugar -ighci -ihsSyn -iiface -imain -iparser -iprelude -iprofiling
-irename -isimplCore -isimplStg -ispecialise -istgSyn -istranal
-itypecheck -itypes -iutils -ivectorise -idist-stage2/build/autogen
-Idist-stage2/build/autogen -Idist-stage2/build
-I../libffi/build/include -Istage2plus -I../libraries/base/cbits
-I../libraries/base/include -I. -Iparser -Iutils -optP-DUSE_EDITLINE
-optP-DGHCI -optP-include
-optPdist-stage2/build/autogen/cabal_macros.h -odir dist-stage2/build
-hidir dist-stage2/build -stubdir dist-stage2/build -package
Cabal-1.5.5 -package array-0.2.0.0 -package base-4.0.0.0 -package
bytestring-0.9.1.4 -package containers-0.2.0.0 -package
directory-1.0.0.2 -package editline-0.2.1.0 -package filepath-1.1.0.1
-package haskell98-1.0.1.0 -package hpc-0.5.0.2 -package
old-time-1.0.0.1 -package process-1.0.1.1 -package
template-haskell-2.3.0.0 -package unix-2.3.1.0 -O -Wall
-fno-warn-name-shadowing -fno-warn-orphans -XCPP -XMagicHash
-XUnboxedTuples -XPatternGuards -XForeignFunctionInterface
-XEmptyDataDecls -XTypeSynonymInstances -XMultiParamTypeClasses
-XFlexibleInstances -XRank2Types -XScopedTypeVariables
-XDeriveDataTypeable -prof -hisuf p_hi -hcsuf p_hc -osuf p_o
-idist-stage2/build -H64m -O -fasm -W -fno-warn-unused-matches
-fwarn-unused-imports -Rghc-timing -Rghc-timing -O0 -DDEBUG -c
cmm/CmmProcPointZ.hs -o dist-stage2/build/CmmProcPointZ.p_o -ohi
dist-stage2/build/CmmProcPointZ.p_hi
ghc: panic! (the 'impossible' happened)
(GHC version 6.11.20081205 for i386-apple-darwin):
SCCfinal.do_expr
\ [eta_s9gV{v} [lid]] ->
ghc-6.11.20081205:Binary.a74{v r2Y} [gid]
$dBinary37{v r7mT} [gid] bh{v s9fY} [lid] eta_s9gV{v} [lid]
I don't know if this is a make clean problem. I didn't rebuild from
scratch, but i did make clean in libraries/ so it should be "fairly
clean". I'll try a full build later.
2008/12/8 Simon Peyton-Jones <[EMAIL PROTECTED]>:
> |
> | I guess it's quite possible that this is caused by one of Simon's
> | patches from Friday.
>
> Darn, you are almost certainly right. It's hard for me to build a profiled
> GHC right now on my laptop. But can you try adding these two lines to
> CoreUtils.eta_expand? Add the two lines highlighted with arrows below.
>
> eta_expand n _ expr _
> | n == 0 -- Saturated, so nothing to do
> = expr
>
> eta_expand n us (Note n@(SCC _) expr) ty <----------
> = Note n (eta_expand n us expr ty) <----------
>
> -- Short cut for the case where there already
> -- is a lambda; no point in gratuitously adding more
> eta_expand n us (Lam v body) ty
>
>
>
> If that fixes it, commit the patch and I'll add comments.
>
> Note for Simon M: this is relying on the fact that
> scc "f" (\x.e) == \x. scc "f" e
> which is, I hope, true!
>
> Simon
>
>
> | -----Original Message-----
> | From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
> | Behalf Of Thomas Schilling
> | Sent: 07 December 2008 22:36
> | To: [email protected]
> | Subject: Panic when building head with profiling
> |
> | With HEAD from today, I get the following GHC panic when building
> | stage2 in profiling way (BuildFlavour = devel2):
> |
> | <<ghc: 31163276 bytes, 7 GCs, 2801664/5439488 avg/max bytes residency
> | (2 samples), 64M in use, 0.00 INIT (0.00 elapsed), 0.06 MUT (0.14
> | elapsed), 0.05 GC (0.07 elapsed) :ghc>>
> | /Users/nominolo/code/ghc/ng-api/ghc/stage1-inplace/ghc
> | -DGHCI_TABLES_NEXT_TO_CODE -DSTAGE=2 -package-name ghc-6.11.20081205
> | -hide-all-packages -no-user-package-conf -i -idist-stage2/build
> | -inativeGen -ibasicTypes -icmm -icodeGen -icoreSyn -icprAnalysis
> | -ideSugar -ighci -ihsSyn -iiface -imain -iparser -iprelude -iprofiling
> | -irename -isimplCore -isimplStg -ispecialise -istgSyn -istranal
> | -itypecheck -itypes -iutils -ivectorise -idist-stage2/build/autogen
> | -Idist-stage2/build/autogen -Idist-stage2/build
> | -I../libffi/build/include -Istage2plus -I../libraries/base/cbits
> | -I../libraries/base/include -I. -Iparser -Iutils -optP-DUSE_EDITLINE
> | -optP-DGHCI -optP-include
> | -optPdist-stage2/build/autogen/cabal_macros.h -odir dist-stage2/build
> | -hidir dist-stage2/build -stubdir dist-stage2/build -package
> | Cabal-1.5.5 -package array-0.2.0.0 -package base-4.0.0.0 -package
> | bytestring-0.9.1.4 -package containers-0.2.0.0 -package
> | directory-1.0.0.2 -package editline-0.2.1.0 -package filepath-1.1.0.1
> | -package haskell98-1.0.1.0 -package hpc-0.5.0.2 -package
> | old-time-1.0.0.1 -package process-1.0.1.1 -package
> | template-haskell-2.3.0.0 -package unix-2.3.1.0 -O -Wall
> | -fno-warn-name-shadowing -fno-warn-orphans -XCPP -XMagicHash
> | -XUnboxedTuples -XPatternGuards -XForeignFunctionInterface
> | -XEmptyDataDecls -XTypeSynonymInstances -XMultiParamTypeClasses
> | -XFlexibleInstances -XRank2Types -XScopedTypeVariables
> | -XDeriveDataTypeable -prof -hisuf p_hi -hcsuf p_hc -osuf p_o
> | -idist-stage2/build -H64m -O -fasm -W -fno-warn-unused-matches
> | -fwarn-unused-imports -Rghc-timing -Rghc-timing -O0 -DDEBUG -c
> | iface/BinIface.hs -o dist-stage2/build/BinIface.p_o -ohi
> | dist-stage2/build/BinIface.p_hi
> | ghc: panic! (the 'impossible' happened)
> | (GHC version 6.11.20081205 for i386-apple-darwin):
> | CoreToStg.myCollectArgs
> | (__scc {binzuusages ghc-6.11.20081205:BinIface !}
> | ghc-6.11.20081205:Binary.a74{v rLR} [gid]
> | @ [ghc-6.11.20081205:HscTypes.Usage{tc rbj}]
> | $dBinary37{v r7qF} [gid]
> | bh{v s9jS} [lid])
> | eta_s9kP{v} [lid]
> |
> | I guess it's quite possible that this is caused by one of Simon's
> | patches from Friday.
> |
> | _______________________________________________
> | Cvs-ghc mailing list
> | [email protected]
> | http://www.haskell.org/mailman/listinfo/cvs-ghc
>
>
--
Push the envelope. Watch it bend.
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