Re: [PATCH][MIPS] PR target/77510 Reduce size of MIPS core automaton

2020-11-16 Thread Jeff Law via Gcc-patches
On 11/15/20 2:12 PM, Maciej W. Rozycki wrote: > On Tue, 10 Nov 2020, Jeff Law via Gcc-patches wrote: > > This patch reduce reservation of model do not more than 10 cycles. The > memory of genautomata down to 1GB. How bad is the memory consumption before this change? >>> almost

Re: [PATCH][MIPS] PR target/77510 Reduce size of MIPS core automaton

2020-11-15 Thread Maciej W. Rozycki
On Tue, 10 Nov 2020, Jeff Law via Gcc-patches wrote: > >>> This patch reduce reservation of model do not more than 10 cycles. The > >>> memory of genautomata down to 1GB. > >> How bad is the memory consumption before this change? > >> > > almost 2.4GB. > > see bugzilla comment #4. > > https://gcc.

Re: [PATCH][MIPS] PR target/77510 Reduce size of MIPS core automaton

2020-11-10 Thread Jeff Law via Gcc-patches
On 11/10/20 8:57 PM, Paul Hua wrote: >>> This patch reduce reservation of model do not more than 10 cycles. The >>> memory of genautomata down to 1GB. >> How bad is the memory consumption before this change? >> > almost 2.4GB. > see bugzilla comment #4. > https://gcc.gnu.org/bugzilla/show_bug.cgi

Re: [PATCH][MIPS] PR target/77510 Reduce size of MIPS core automaton

2020-11-10 Thread Paul Hua via Gcc-patches
> > This patch reduce reservation of model do not more than 10 cycles. The > > memory of genautomata down to 1GB. > > How bad is the memory consumption before this change? > almost 2.4GB. see bugzilla comment #4. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77510#c4

Re: [PATCH][MIPS] PR target/77510 Reduce size of MIPS core automaton

2020-11-10 Thread Xu Chenghua
Hi: I test spec cpu 2000 on Loongson 3A1000(gs464),  there is no difference in performance. On 11/10/20 11:45 PM, Paul Koning wrote: On Nov 10, 2020, at 6:42 AM, Xu Chenghua wrote: Hi: This patch reduce reservation of model do not more than 10 cycles. The memory of genautomata down to 1

Re: [PATCH][MIPS] PR target/77510 Reduce size of MIPS core automaton

2020-11-10 Thread Paul Koning via Gcc-patches
> On Nov 10, 2020, at 6:09 PM, Jeff Law via Gcc-patches > wrote: > >> ... >> ChangeLog >> >> gcc/ >> PR target/77510 >> * config/mips/gs464.md: Reduce reservation >> duration to 10 cycles. >> * config/mips/i6400.md: Likewise. >> * config/mips/m5100.md: Likewise. >> * con

Re: [PATCH][MIPS] PR target/77510 Reduce size of MIPS core automaton

2020-11-10 Thread Jeff Law via Gcc-patches
On 11/10/20 4:42 AM, Xu Chenghua wrote: > > Hi: > > This patch reduce reservation of model do not more than 10 cycles. The > memory of genautomata down to 1GB. How bad is the memory consumption before this change? > > ChangeLog > > gcc/ >     PR target/77510 >     * config/mips/gs464.md: Reduc

Re: [PATCH][MIPS] PR target/77510 Reduce size of MIPS core automaton

2020-11-10 Thread Paul Koning via Gcc-patches
> On Nov 10, 2020, at 6:42 AM, Xu Chenghua wrote: > > > Hi: > > This patch reduce reservation of model do not more than 10 cycles. The memory > of genautomata down to 1GB. Does this make any significant difference in performance of the generated code? The original cycle counts are from t