> v2 Changes:
> 1. Enable proportion orig_sum to the new nodes for self recursive node:
>new_sum = (orig_sum + new_sum) \
>* self_recursive_probability * (1 / param_ipa_cp_max_recursive_depth).
> 2. Add value range for param_ipa_cp_max_recursive_depth.
>
> The performance of exchange2 buil
esday, December 31, 2019 3:43 PM
To: Feng Xue OS; Jan Hubicka; Martin Jambor
Cc: Martin Liška; gcc-patches@gcc.gnu.org; seg...@kernel.crashing.org;
wschm...@linux.ibm.com; guoji...@linux.ibm.com; li...@gcc.gnu.org
Subject: Re: [PATCH v2] ipa-cp: Fix PGO regression caused by r278808
On 2019/12/31 14:43,
On 2019/12/31 14:43, Feng Xue OS wrote:
One comment: it's better to allow zero value for
param_ipa_cp_max_recursive_depth,
this can be used to disable recursive cloning.
Thanks, "1" means no recursive cloning but only constant propagation from
caller to callee in your code?
ipa-cp.c, line 2
One comment: it's better to allow zero value for
param_ipa_cp_max_recursive_depth,
this can be used to disable recursive cloning.
Feng
From: luoxhu
Sent: Monday, December 30, 2019 4:11 PM
To: Jan Hubicka; Martin Jambor
Cc: Martin Liška; gcc-patches@gcc.gn
