|
From: | Dennis Luehring |
Subject: | Re: [Qemu-devel] Debian 7.8.0 SPARC64 on qemu - anything i can do to speedup the emulation? |
Date: | Thu, 20 Aug 2015 07:22:11 +0200 |
User-agent: | Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.2.0 |
Am 19.08.2015 um 16:41 schrieb Artyom Tarasenko:
And if I completely disable optimizer (// #define USE_TCG_OPTIMIZATIONS in tcg.c), it's still quite faster: real 14m17.668s user 14m10.241s sys 0m6.060s
my tests also without USE_TCG_OPTIMIZATIONS qemu 2.4.50, netbsd 6.1.5 SPARC64 without-optimization //#define USE_TCG_OPTIMIZATIONS pugixml compile: (without-optimization is faster) with-optimization: ~2:51.2 without-optimization: ~2:14.1 prime.c runtime: (without-optimization is faster) with-optimization: ~11 sec without-optimization: ~9.9 sec stream results (with-optimization gives better results) with-optimization: Your clock granularity/precision appears to be 42 microseconds. Each test below will take on the order of 330428 microseconds. (= 7867 clock ticks) Function Best Rate MB/s Avg time Min time Max time Copy: 771.5 0.214717 0.207377 0.244214 Scale: 288.1 0.573320 0.555401 0.660161 Add: 423.5 0.633523 0.566661 1.092067 Triad: 242.9 1.053032 0.987970 1.499563 without-optimization: Your clock granularity/precision appears to be 41 microseconds. Each test below will take on the order of 745254 microseconds. (= 18176 clock ticks) Function Best Rate MB/s Avg time Min time Max time Copy: 316.6 0.524065 0.505313 0.580103 Scale: 200.5 0.813356 0.798024 0.840986 Add: 243.9 1.010247 0.984025 1.119149 Triad: 182.9 1.345601 1.312236 1.427459
[Prev in Thread] | Current Thread | [Next in Thread] |