Re: [PATCH] ppc: Use hard-float in ppc fp_hlper as early as possible. This would increase the performance better than enable hard-float it in soft-float.c; Just using fadd fsub fmul fdiv as a simple b

2020-05-04 Thread Aleksandar Markovic
пон, 4. мај 2020. у 21:31 је написао/ла: > > From: Yonggang Luo > > Just post as an idea to improve PPC fp performance. > With this idea, we have no need to adjust the helper orders. > > Signed-off-by: Yonggang Luo > --- > target/ppc/fpu_helper.c | 44 + >

Re: [PATCH] ppc: Use hard-float in ppc fp_hlper as early as possible...

2020-05-04 Thread Richard Henderson
On 5/4/20 12:29 PM, luoyongg...@gmail.com wrote: > Re: [PATCH] ppc: Use hard-float in ppc fp_hlper as early as possible. This > would increase the performance better than enable hard-float it in > soft-float.c; Just using fadd fsub fmul fdiv as a simple bench demo. With >

Re: [PATCH] ppc: Use hard-float in ppc fp_hlper as early as possible. This would increase the performance better than enable hard-float it in soft-float.c; Just using fadd fsub fmul fdiv as a simple b

2020-05-04 Thread Yonggang Luo
Bench result; orignal: -> FLOPS 3.00 GCC version: 4.3.3 Ops count: 1073217024 Time spent: 27.768 sec MFLOPS: 38.65 FLOPS 3.00 GCC version: 4.3.3 Ops count: 1073217024 Time spent: 28.359 sec MFLOPS: 37.84 soft-hard-float: GCC version: 4.3.3 Ops count: 1073217024 Time spent: 14.874 sec MFLOPS: 72.

[PATCH] ppc: Use hard-float in ppc fp_hlper as early as possible. This would increase the performance better than enable hard-float it in soft-float.c; Just using fadd fsub fmul fdiv as a simple bench

2020-05-04 Thread luoyonggang
From: Yonggang Luo Just post as an idea to improve PPC fp performance. With this idea, we have no need to adjust the helper orders. Signed-off-by: Yonggang Luo --- target/ppc/fpu_helper.c | 44 + 1 file changed, 44 insertions(+) diff --git a/target/ppc/