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Merge pull request #82 from psychocrypt/topic-allowPrefetchDisable

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disable prefetch by default
This commit is contained in:
fireice-uk
2017-04-23 15:20:43 +01:00
committed by GitHub
parent 0664e5d4a6 865ee48f9a
commit 152f4fec65
2 changed files with 5 additions and 6 deletions
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config.txt
+3 -4
View File
@@ -11,8 +11,7 @@
* consume much less power (as less cores are working), but will max out at around 80-85% of
* the maximum performance.
*
* no_prefetch - This mode meant for large pages only. It will generate an error if running on slow memory
* Some sytems can gain up to extra 5% here, but sometimes it will have no difference or make
* no_prefetch - Some sytems can gain up to extra 5% here, but sometimes it will have no difference or make
* things slower.
*
* affine_to_cpu - This can be either false (no affinity), or the CPU core number. Note that on hyperthreading
@@ -22,8 +21,8 @@
*
*/
"cpu_threads_conf" : [
{ "low_power_mode" : false, "no_prefetch" : false, "affine_to_cpu" : 0 },
{ "low_power_mode" : false, "no_prefetch" : false, "affine_to_cpu" : 1 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 0 },
{ "low_power_mode" : false, "no_prefetch" : true, "affine_to_cpu" : 1 },
],
/*
jconf.cpp
+2 -2
View File
@@ -139,9 +139,9 @@ bool jconf::GetThreadConfig(size_t id, thd_cfg &cfg)
cfg.bDoubleMode = mode->GetBool();
cfg.bNoPrefetch = no_prefetch->GetBool();
if(!bHaveAes && (cfg.bDoubleMode || cfg.bNoPrefetch))
if(!bHaveAes && cfg.bDoubleMode)
{
printer::inst()->print_msg(L0, "Invalid thread confg - low_power_mode and no_prefetch are unsupported on CPUs without AES-NI.");
printer::inst()->print_msg(L0, "Invalid thread confg - low_power_mode are unsupported on CPUs without AES-NI.");
return false;
}