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correct comment about availability of AVX-512ERI

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AVX-512ERI is available on all Knights Landing i.e. Intel Xeon Phi 7200 processors.
These instructions may not be available on all Intel processors that support AVX-512F.
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Jeff Hammond 2017-02-12 00:49:25 +00:00
parent 0454a3db8a
commit c81f60b852
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contrib/perf_tests/perf_exp.F
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@ -19,7 +19,7 @@
! Landing has added AVX-512ER instructions to perform exponentiations
! of the form 2^x. These might help boost the performance of the exp
! function well beyond what a Taylor series brings. These instructions
! are not available on all Knights Landing processors though.
! are not available on all Intel processors though.
!
! [1] Simen Reine, Trygve Helgaker, Roland Lindh, "Multi-electron
! integrals", WIREs Comput. Mol. Sci. 2012, 2:290-303,