[libgomp, testsuite] Reduce recursion depth in declare_target-*.f90
When running the libgomp testsuite with GOMP_NVPTX_JIT=-O0 using an nvptx accelerator (Nvidia T400, 2GB), I run into: ... libgomp: cuCtxSynchronize error: unspecified launch failure \ (perhaps abort was called) libgomp: cuMemFree_v2 error: unspecified launch failure libgomp: device finalization failed FAIL: libgomp.fortran/examples-4/declare_target-1.f90 -O0 execution test ... The test-case contains: ... ! Reduced from 25 to 23, otherwise execution runs out of thread stack on ! Nvidia Titan V. if (fib (23) /= fib_wrapper (23)) stop 2 ... Fix this by reducing the fib/fib_wrapper argument from 23 to 22. Same for declare_target-2.f90. Tested on x86_64 with nvptx accelerator. libgomp/ChangeLog: 2022-01-27 Tom de Vries <tdevries@suse.de> * testsuite/libgomp.fortran/examples-4/declare_target-1.f90: Reduce recursion depth. * testsuite/libgomp.fortran/examples-4/declare_target-2.f90: Same.
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@ -29,5 +29,7 @@ program e_53_1
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if (fib (15) /= fib_wrapper (15)) stop 1
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! Reduced from 25 to 23, otherwise execution runs out of thread stack on
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! Nvidia Titan V.
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if (fib (23) /= fib_wrapper (23)) stop 2
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! Reduced from 23 to 22, otherwise execution runs out of thread stack on
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! Nvidia T400 (2GB variant), when run with GOMP_NVPTX_JIT=-O0.
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if (fib (22) /= fib_wrapper (22)) stop 2
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end program
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@ -6,9 +6,11 @@ program e_53_2
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!$omp target map(from: x)
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! Reduced from 25 to 23, otherwise execution runs out of thread stack on
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! Nvidia Titan V.
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x = fib (23)
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! Reduced from 23 to 22, otherwise execution runs out of thread stack on
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! Nvidia T400 (2GB variant), when run with GOMP_NVPTX_JIT=-O0.
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x = fib (22)
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!$omp end target
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if (x /= fib (23)) stop 1
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if (x /= fib (22)) stop 1
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end program
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integer recursive function fib (n) result (f)
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