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Merge pull request #4035 from Chocobo1/reduce_cache

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Reduce max value of "Disk cache size"
This commit is contained in:
sledgehammer999 2015-11-08 04:26:22 -06:00
commit 45dbfe80a1
2 changed files with 14 additions and 26 deletions
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31
src/core/preferences.cpp
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@ -1378,37 +1378,26 @@ void Preferences::setShutdownqBTWhenDownloadsComplete(bool shutdown)
uint Preferences::diskCacheSize() const
{
uint size = value("Preferences/Downloads/DiskWriteCacheSize", 0).toUInt();
// When build as 32bit binary, set the maximum at less than 2GB to prevent crashes.
// These macros may not be available on compilers other than MSVC and GCC
#if !defined(_M_X64) && !defined(__amd64__)
//1800MiB to leave 248MiB room to the rest of program data in RAM
if (size > 1800)
size = 1800;
#if defined(__x86_64__) || defined(_M_X64)
size = qMin(size, (uint) 4096); // 4GiB
#else
// 4GiB
if (size > 4 * 1024)
size = 4 * 1024;
// When build as 32bit binary, set the maximum at less than 2GB to prevent crashes
// allocate 1536MiB and leave 512MiB to the rest of program data in RAM
size = qMin(size, (uint) 1536);
#endif
return size;
}
void Preferences::setDiskCacheSize(uint size)
{
uint size0 = size;
#if !defined(_M_X64) && !defined(__amd64__)
//1800MiB to leave 248MiB room to the rest of program data in RAM
if (size0 > 1800)
size0 = 1800;
#if defined(__x86_64__) || defined(_M_X64)
size = qMin(size, (uint) 4096); // 4GiB
#else
// 4GiB
if (size0 > 4 * 1024)
size0 = 4 * 1024;
// allocate 1536MiB and leave 512MiB to the rest of program data in RAM
size = qMin(size, (uint) 1536);
#endif
setValue("Preferences/Downloads/DiskWriteCacheSize", size0);
setValue("Preferences/Downloads/DiskWriteCacheSize", size);
}
uint Preferences::diskCacheTTL() const

9
src/gui/advancedsettings.h
View File

@ -208,12 +208,11 @@ private slots:
spin_cache.setMinimum(0);
// When build as 32bit binary, set the maximum at less than 2GB to prevent crashes.
// These macros may not be available on compilers other than MSVC and GCC
#if !defined(_M_X64) && !defined(__amd64__)
//1800MiB to leave 248MiB room to the rest of program data in RAM
spin_cache.setMaximum(1800);
#if defined(__x86_64__) || defined(_M_X64)
spin_cache.setMaximum(4096);
#else
// 4GiB
spin_cache.setMaximum(4*1024);
// allocate 1536MiB and leave 512MiB to the rest of program data in RAM
spin_cache.setMaximum(1536);
#endif
spin_cache.setValue(pref->diskCacheSize());
updateCacheSpinSuffix(spin_cache.value());