^^^ Êáé åãþ áõôÞ ôçÃ* åÃ*ôýðùóç åß÷á ãéá ôï bandwidth áëëÜ ôï ó÷Þìá ðïõ Ý÷ïõÃ* âÜëåé Üëëá äåß÷Ã*åé...
http://images.eurogamer.net/2013/art...x-1/quality/91
^^^ Êáé åãþ áõôÞ ôçÃ* åÃ*ôýðùóç åß÷á ãéá ôï bandwidth áëëÜ ôï ó÷Þìá ðïõ Ý÷ïõÃ* âÜëåé Üëëá äåß÷Ã*åé...
http://images.eurogamer.net/2013/art...x-1/quality/91
ÅßÃ*áé ëßãï confusing áõôü... õðïÃ*Ã*ïåß üôé õðÜñ÷åé îå÷ùñéóôü GDDR5 pinout ãéá ôçÃ* CPU; Êáé áõôü ôï 4 x GDDR5 memory controllers öáßÃ*åôáé Ã*á åßÃ*áé ëÜèïò, ìéáò êáé ï êÜèå MC åßÃ*áé 32-bit.
ôåëéêá åéÃ*áé 6ðõñçÃ*ï (óôá ðáé÷Ã*éäéá) ãéáôé ôá áëëá ðïõ ëåôå äåÃ* ôá êáôáëáâáéÃ*ù
Åðßóçìá äåÃ* îÝñïõìå áêüìá.
Mark Cerny IGN interview
Part 1- harware
ôï åéäá ìïëéò êáé å÷åé ìéá ùñáéá ôáðá óôçÃ* MS ðåñé cloud, ëååé îåêáèáñá ïôé êáðïéá ðñáãìáôá ìðïñïõÃ* Ã*á ãéÃ*ïõÃ* óôï cloud êáé äïõëåõïõÃ* êáëá (áÃ*áöåñåôáé óôï matchmaking) åÃ*ù êáðïéá áëëá ïðùò ç åÃ*éó÷õóç ôçò ðïéïôçôáò ôùÃ* ãñáöéêùÃ* äåÃ* ëåéôïõñãïõÃ* êáëá.
Part 2 - Games
Part 3 - The Future
Ðïëý ôïÃ* ðÜù ôïÃ* Mark. ×áßñïìå áðßóôåõôá ðïëý ðïõ åßÃ*áé óôï ôéìüÃ*é ôïõ PS4. ÐáÃ*ÝîõðÃ*ïò êáé äçìéïõñãéêüò.
^^Káé ðïëõ ìåôñçìåÃ*ïò óáÃ* áÃ*èñùðïò ìå ôáðåéÃ*ïôçôá. ÁÃ* äåéò ôïÃ* ôñïðï ðïõ ôïõ ôï ðáóáñå ï äçìïóéïãñáöïò ôï êïììáôé ãéá ôï cloud çôáÃ* îåêáèáñá ìéá ðñïóðáèåéá Ã*á åêìáéåõóåé êáôé ðïõ èá "åðáéæå" ìåôá ùò áé÷ìçñç äçëùóç. Ôïõ ëååé êáðïéïé öéëïé ìïõ developers ëåÃ*å ïôé ôá ðåñé cloud åéÃ*áé "nonsense", èá ìðïñïõóå ÷áëáñá Ã*á ðáéîåé êé áõôïò ôï ðáé÷Ã*éäé áëëá äåÃ* ôï åêáÃ*å, åñéîå ìåÃ* ôçÃ* ôáðá áëëá ìå ðïëõ çðéï ôñïðï, áðëá ðáñåèåóå ôé ìðïñåé Ã*á êáÃ*åé ôï cloud êáé ôé äåÃ* ìðïñåé.
ÃåÃ*éêá èá ìðïñïõóå áõôç ôç óôéãìç ç Sony óå êáèå óõÃ*åÃ*ôåõîç êáé óå êáèå keynote Ã*á ñé÷Ã*åé ôá áðåéñá êáñöéá êáé Ã*á åêìåôáëëåõåôáé åðéêïéÃ*ùÃ*éáêá ôéò êùëïôïõìðåò êáé ôá øåììáôá ôçò MS áëëá äåÃ* ôï êáÃ*åé, äåéãìá ôçò áëëáãçò óôñáôçãéêçò å÷ïÃ*ôáò åðéëåîåé êáé ôïÃ* êáôáëëçëï áÃ*èñùðï ãéá Ã*á ôï åêöñáóåé.
Âtw ôï ôñéôï part ìáêñáÃ* ôï ðéï åÃ*äéáöåñïÃ*, åéäéêá ãéá ôá ðáéäéá ðïõ å÷ïõÃ* êáðïéåò ôå÷Ã*éêåò ãÃ*ùóåéò ðáñáðáÃ*ù (åãù ôï âñçêá åÃ*äéáöåñïÃ* ÷ùñéò Ã*á êáôáëáâù lol)
Ìå ôïõò ñõèìïýò ðïõ êéÃ*ïýìáóôå óå 2-3 ÷ñüÃ*éá ôï brand name ×ÂÏ× èá ðÜøåé Ã*á õößóôáôáé.
Åãù ðáëé åõ÷ïìáé Ã*á ìçÃ* ãéÃ*åé ðïôå êáôé ôåôïéï (ãéá ëïãïõò áÃ*ôáãùÃ*éóìïõ) ãéáôé ìåôá èá åéÃ*áé ìïÃ*ï ç óïÃ*õ, ôçÃ* Ã*éÃ*ôåÃ*ôï äå ôçÃ* âáæù ãéáôé áð' ïôé öáéÃ*åôáé ìå÷ñé ôùñá ôïõëá÷éóôïÃ* êáé ðáÃ*ôá ãéá áõôçÃ* ôç ãåÃ*éá åéÃ*áé åêôïò áÃ*ôáãùÃ*éóìïõ.
(óïññõ ãéá ôï ïöö ôïðéê)
Áõôï ìå ôïÃ* áÃ*ôáãùÃ*éóìï ïê, äåêôï ìå÷ñé åÃ*á óçìåéï ñå ðáéäéá áëëá ïôáÃ* åðáéæå ìðáëá ìïÃ*ï ôïõ ôï PS2 êáé åé÷å óáñùóåé, äåÃ* ìáò ÷áëáóå...ðáé÷Ã*éäáñåò åâãáæå êáé ôïôå...ãéáôé äëä Ã*á ìçÃ* ãéÃ*åé ôï éäéï êáé ìå ôï PS4?
åãù ðáÃ*ôïò âëåðù ðñïò ôï ðáñïÃ* ïôé óå ïëá ôá âéÃ*ôåï ôïõ digital foundry ïëá ôá ðáé÷Ã*éäéá óôï ps4 åéÃ*áé êëåéäùìåÃ*á óôá 30fps...
ÊáëçìÝñá!
Ã*á ðñïóðáèÞóù ìßá óôá ãñÞãïñá Ã*á ôï ðáñáèÝóù ìå áðëÜ ëüãéá; (ðïëý áðëÜ üìùò ìå áëëïéùìÝÃ*åò ÝÃ*Ã*ïéåò, áëëÜ åÃ*ôüò Ã*ïÞìáôïò)
ËïéðüÃ*. ¸÷ïõìå ôï ôóéð ôïõ êåÃ*ôñéêïý åðåîåñãáóôÞ (CPU - Central Processing Unit) êáé ôï "ôóéð" ãñáöéêþÃ* (GPU - Graphics Processing Unit). ÅÃ*þ ìÝ÷ñé óÞìåñá óôéò êïÃ*óüëåò (áÃ*áöÝñïìáé ìüÃ*ï óå áõôÝò - ìçÃ* îåöýãïõìå) ôá äýï ôïõò ÞôáÃ* îå÷ùñéóôÜ ôóéð - äýï ôïÃ* áñéèìü ôïõëÜ÷éóôïÃ*, óôï PS4 åßÃ*áé "óõóêåõáóìÝÃ*á" óå ÝÃ*á êáé ìüÃ*ï ôóéð - äéá ãõìÃ*ïý ïöèáëìïý.
ÐÜåé áõôü ôï îåêáèáñßóáìå.
Óå ÝÃ*á ðáé÷Ã*ßäé Ý÷ïõìå ôï êïììÜôé ôùÃ* ãñáöéêþÃ* (üðïõ ðåñéëáìâÜÃ*ïÃ*ôáé ôá "ó÷åäéáóìÝÃ*á" ãñáöéêÜ üðùò textures, ÷áñáêôÞñåò, ÷ñþìáôá, animation), ôá "ãñáöéêþÃ*" åööÝ (ðïõ åßÃ*áé óõÃ*äõáóìüò ó÷åäéáóìïý áëëÜ ðéï ðïëý ðïëýðëïêïõ ðñïãñáììáôéóìïý), ôï êïììÜôé ôïõ Þ÷ïõ, ôï êïììÜôé ôùÃ* åööÝ (êåñáõÃ*ïß, áÝñáò, êßÃ*çóç èÜëáóóáò / õãñþÃ* / æåëáôéÃ*ïåéäþÃ* êëð) êáé ôï êïììÜôé ôçò ÖõóéêÞò (áìïñôéóÝñ áõôïêéÃ*ÞôùÃ*, âÜñïò åÃ*üò ÷áñáêôÞñá áÃ*èñþðïõ êáé êßÃ*çóç ôùÃ* ìåëþÃ* ôïõ, óýãêñïõóç áÃ*ôéêåéìÝÃ*ùÃ*) êáé Ôå÷Ã*çôÞò ÍïçìïóýÃ*çò (åðßôçäåò Ý÷ù ðáñáëåßøåé áñêåôÜ, þóôå Ã*á ðáñáìåßÃ*åé ç ðåñéãñáöÞ üóï ôï äõÃ*áôü áðëÞ).
ÓõÃ*å÷ßæù - ç ïìÜäá ðñïãñáììáôéóìïý åÃ*üò ðáé÷Ã*éäéïý "÷þñéæå" ôéò ðáñáðÜÃ*ù åñãáóßåò ãéá ôá ôóéð åÃ*ôåëþò îå÷ùñéóôÜ, äçëáäÞ üôé åßÃ*áé áðïêëåéóôéêÜ Þ/êáé ó÷åôéêü ìå ãñáöéêÜ (÷ñþìáôá, textures, animation) ôï "óÞêùÃ*å" ôï ôóéð ãñáöéêþÃ*, åÃ*þ ïôéäÞðïôå åß÷å Ã*á êÜÃ*åé áõóôçñÜ ìå ðïëýðëïêá ìáèçìáôéêÜ ìïÃ*ôÝëá, üðùò ç Ôå÷Ã*çôÞ ÍïçìïóýÃ*ç, ïé Áñ÷Ýò ôçò ÖõóéêÞò (Physics), ç ôá÷ýôçôá "ñïÞò ôùÃ* êáñÝ" (ôá ëåãüìåÃ*á frames per second), ôá "óÞêùÃ*å" ç CPU.
Ìå ôçÃ* åîÝëéîç ôùÃ* CPU êáé GPU üìùò, Üñ÷éóáÃ* Ã*á ðáßæïõÃ* ìåôáîý ôïõò áëëçëï-âïÞèåéåò óôçÃ* ðáñáãùãÞ üëùÃ* ôùÃ* ðáñáðÜÃ*ù. ¸ôóé åêåß ðïõ êÜðïôå ç CPU óÞêùÃ*å üëï ôï ãáìÞóé ôùÃ* åööÝ, óôçÃ* ðïñåßá Üñ÷éóå Ã*á "âïçèÜåé" êáé ç GPU êáé ôïýìðáëéÃ* (óå åñãáóßåò ðïõ ÞôáÃ* ðéï ãñÞãïñç ç CPU, áõôÞ ÝêáÃ*å ôéò äïõëåéÝò áÃ*ôß ôçò áñãüôåñçò GPU).
Ðñï÷ùñÜìå óôçÃ* åîÝëéîç êáé ðëÝïÃ* Ý÷ïõìå öôÜóåé óôï óçìåßï ðïõ ç (åðéêåÃ*ôñþÃ*ù óõãêåêñéìÝÃ*á ôþñá) GPU ôïõ PS4, åßÃ*áé ôÝôïéï ãáéäïýñé óå äýÃ*áìç áëëÜ êáé ðëÞèïò / ðïéêéëßá åñãáóéþÃ* ðïõ ìðïñåß Ã*á óçêþóåé, ðïõ ï ðñïãñáììáôéóôÞò ìðïñåß Ã*á áðåëåõèåñþóåé ôçÃ* CPU áðü âáñéÝò äïõëåéÝò (ð÷. õðïëïãéóìüò áÝñá êáé åðßäñáóÞò ôïõ óôá áÃ*ôéêåßìåÃ*á) êáé Ã*á ôéò áÃ*áèÝóåé óôçÃ* GPU. Áõôü ëïéðüÃ*, ôçÃ* "áðïðåñÜôùóç" åñãáóéþÃ* áðü ôçÃ* GPU, ðïõ ìÝ÷ñé ðñüôéÃ*ïò ÝêáÃ*å ìüÃ*ï ç CPU, áðïöÝñåé ìåãáëýôåñç óõÃ*ïëéêÞ "ÜÃ*åóç" óôï óýóôçìá.
Êáé "ðåñéóóüôåñç ÜÃ*åóç óõóôÞìáôïò" ðñïêáëåß ÷áìüãåëá óôïõò ðñïãñáììáôéóôÝò. Ç ïÃ*ïìáóßá ôçò äõÃ*áôüôçôáò áÃ*Üëçøçò åñãáóéþÃ* "ãåÃ*éêþÃ* êáèçêüÃ*ôùÃ*" (äçëáäÞ ü÷é ìüÃ*ï "ãñáöéêþÃ* êáèçêüÃ*ôùÃ*") áðü ìéá GPU åßÃ*áé "General Purpose GPU" åÃ* óõÃ*ôïìßá GPGPU.
Êáé ëÝåé ëïéðüÃ* ï Cerny:
óôïõò ðñþôïõò ôßôëïõò, èá äåßôå ðïéüôçôá ãñáöéêþÃ* ðïõ ïé ðñïãñáììáôéóôÝò ìðïñïýÃ* Ã*á ðÜñïõÃ* åýêïëá áðü ôçÃ* GPU (* öáÃ*ôáóôåßôå, óá Ã*á ìðáßÃ*åôå óå ìéá óïýðåñ hi-tech êïõæßÃ*á ìå áÃ*õðïëüãéóôåò äõÃ*áôüôçôåò, üìùò åðåéäÞ åóåßò âéÜæåóôå ó÷åôéêÜ êáé äåÃ* Ý÷åôå ÷ñüÃ*ï Ã*á ôçÃ* ìÜèåôå êáëÜ êáé ìåôÜ Ã*á öôéÜîåôå öáãçôü, áõôü ðïõ ìáãåéñÝøáôå åßÃ*áé ÝÃ*á "áðëÜ ðïëý êáëü" ðéÜôï ãêïõñìÝ, ü÷é üìùò ôï óïýðåñ-ïõÜïõ-ãêïõñìÝ ðéÜôï ðïõ óáò äßÃ*åé ôçÃ* äõÃ*áôüôçôá ç êïõæßÃ*á Ã*á öôéÜîåôå. ÅÃ* êáéñþ üìùò ðïõ èá áó÷ïëçèåßôå åêôåÃ*Ýóôåñá ìå ôá ôåñôßðéá ôçò, èá ôï öôéÜîåôå ôï ðéÜôï.)
(óõÃ*å÷ßæåé ï Cerny)
ìåôÜ áðü 2-3 ÷ñüÃ*éá üìùò, üðïõ ðëÝïÃ* ïé ðñïãñáììáôéóôÝò èá Ý÷ïõÃ* áñ÷ßóåé Ã*á "óêÜâïõÃ*" ãéá ôá êáëÜ ôéò äõÃ*áôüôçôåò ôçò GPU ôïõ PS4, èá äåßôå ôçÃ* åêìåôÜëëåõóç ôçò ôåëåõôáßáò ùò...GPGPU! ¸ôóé, ôï óýóôçìá èá áñ÷ßóåé Ã*á áðïêôÜ "ðåñéóóüôåñç ÜÃ*åóç" åÃ* ãÝÃ*åé = óá Ã*á "ðáßñÃ*åéò" áýîçóç äýÃ*áìçò, óôï õðÜñ÷ïÃ* ìç÷ÜÃ*çìá.
Êáé åäþ Ýñ÷åôáé ç åñþôçóç ôïõ äçìïóéïãñÜöïõ: "ðïëëïß áÃ*áñùôéïýÃ*ôáé, áÃ* ç GPU áñ÷ßóåé Ã*á áÃ*áëáìâÜÃ*åé äïõëåéÝò ôçò CPU, äçëáäÞ Ã*á åñãÜæåôáé ùò GPGPU, áõôÞ ç "äéðëÞ ôáõôüôçôá" äåÃ* èá Ý÷åé áñÃ*çôéêü áÃ*ôßêôõðï óôçÃ* áðüäïóç ôùÃ* ãñáöéêþÃ*; Äéüôé, Üëëï üëá ôá óçìåßá ôçò GPU Ã*á äïõëåýïõÃ* ìüÃ*ï ãéá ãñáöéêÜ êáé Üëëï ìåñéêÜ ãéá ãñáöéêÜ êáé ìåñéêÜ ð÷. ãéá ôïÃ* áÝñá Þ ôçÃ* êßÃ*çóç ôùÃ* ñïý÷ùÃ*."
ÁðÜÃ*ôçóç Cerny: ü÷é äåÃ* åßÃ*áé Ýôóé êáé Ã*á åîçãÞóù ôï ãéáôß. ¸÷ïõìå ðáñáôçñÞóåé üôé ìÝóá óå ÝÃ*á êáñÝ ôçò åéêüÃ*áò (ãéá ðáé÷Ã*ßäé ôùÃ* 30 fps, Ý÷ïõìå 30 êáñÝ ôï äåõôåñüëåðôï) ç GPU äéáÃ*ýåé ðåñßðïõ 30 "öÜóåéò" (ôé åßÃ*áé ç "öÜóç" áò ìçÃ* ôï áÃ*áëýóïõìå, ðÜñôï óáÃ* "óêÝøç/Ã*ïçôéêÞ ëåéôïõñãßá") ôåëåßùò áÃ*åêìåôÜëëåõôåò óå êÜðïéá åóùôåñéêÜ ìÝñç ôçò. ¸ôóé, êáôáëÜâáìå üôé ìÝóá óå êÜèå äåõôåñüëåðôï, ìåñéêÜ óçìåßá ôçò óýã÷ñïÃ*çò GPGPU ôïõ PS4 ìðïñïýÃ* Ã*á ëåéôïõñãÞóïõÃ* ãéá ìç-ãñáöéêþÃ* åñãáóßåò ÷ùñßò Ã*á åðçñåÜæïõÃ* êáèüëïõ ìá êáèüëïõ, üëá ôá õðüëïéðá óçìåßá ðïõ áó÷ïëïýÃ*ôáé ìå ôçÃ* ãåÃ*éêüôåñç ðáñáãùãÞ ôùÃ* ãñáöéêþÃ*.
ÁõôÜ!
ÁÃ* ôþñá ôá ÝêáÃ*á ðéï äýóêïëá áð' üôé ÞôáÃ*, ößëå hakoo óüññõ, ðñïöáÃ*þò åßìáé ÂÜëêáÃ* :P (Ý÷ù êïéìçèåß êáé óôéò 5 ôï ðñùß - îýðÃ*çóá óôéò 09.00, åëÝù Tomb Raider Ã*á âñÜóù!)
Káèå áëëï! ÇôáÃ* ðïëõ óáöåò êáé áõôá ðïõ êáôáëáâá óå ãåÃ*éêåò ãñáììåò áðï ôï âéÃ*ôåï ôùñá Ã*ïìéæù ïôé ôá å÷ù êáôáëáâåé ðïëõ êáëõôåñá :d055:
PS4 continually records the last 15 minutes of gameplay
http://www.computerandvideogames.com...ony-clarifies/:
PlayStation 4 will continually record 15 minutes of gameplay data in the background for users to capture and publish online, a spokesperson for the company has confirmed to CVG.
Confusion surrounding the length of the recording process arose when Neil Brown, head of Sony Computer Entertainment Europe's R&D group, said earlier this month that PS4 uses a dedicated hardware encoder to continually record the last "several minutes" of gameplay footage.
This claim was misheard and led to some reports suggesting PS4 captures "seven" minutes of gameplay data, while other articles claimed the console records "several minutes". But on Monday a spokesperson for Sony Computer Entertainment Europe told CVG PS4 will continually record 15 minutes of gameplay data, as initially reported.
Recorded PS4 data can be brought up using the DualShock 4's Share Button, allowing player to edit and crop footage and share it across the PlayStation Network via Ustream.
Áõôü ôï îÝñïõìå åäþ êáé ðïëý êáéñü. Íïìßæù ôï åß÷å áÃ*áöÝñåé êáé ï Cerny óôçÃ* ðáñïõóßáóç ôïõ Öåâñïõáñßïõ, üðùò üôé ãßÃ*åôáé êáé áðü îå÷ùñéóôü chip ç üëç äéáäéêáóßá ãéá Ã*á ìçÃ* ôñþåé ðüñïõò ôïõ óõóôÞìáôïò. ºóùò åßÃ*áé ìðé÷ôÞ ãéá ôï Xbox One êáé ôï "Ã*Ýï" ôïõ Comic-Con üôé ìðïñåß áÃ* äåÃ* êÜÃ*ù ðïëý ëÜèïò Ã*á ãñÜöåé 5 ëåðôÜ gameplay. Ïðüôå åðéâåâáéþóïõìå îáÃ*Ü üôé ôï "äéêü" ìáò ãñÜöåé ôï ôñéðëÜóéï êáé ôï ÏõÜïõ ãßÃ*åôáé ×ì...
Aðëá åé÷å õðáñîåé åÃ*á ìðåñäåìá ãéáôé ôï Digital Foundry åé÷å ìéëçóåé ãéá 7 ëåðôá ðñïóöáôá.
Ãéá ìåÃ*á ôï óçìáÃ*ôéêï äåÃ* åéÃ*áé ôï ðïóá ëåðôá êáôáãñáöåé áëëá êáôé ðïõ áêïìá äåÃ* å÷ïõÃ* îåêáèáñéóåé, ç ôïõëá÷éóôïÃ* åãù äåÃ* ôï å÷ù äåé êáðïõ. Êé áõôï åéÃ*áé áÃ* èá ìðïñåéò Ã*á êáÃ*åéò store ôï âéÃ*ôåï óôïÃ* óêëçñï ôïõ ps4.
Åßôå 7, åßôå 15, ðÜëé ëßãï åßÃ*áé óå óýãêñéóç ìå ÝÃ*á PVR. ¼óïé èÝëïõÃ* Ã*á êÜÃ*ïõÃ* full walkthroughs, èá äåéÃ*ïðáèÞóïõÃ* óôï êüøå-ñÜøå...
ÊáÃ*ïÃ*éêÜ åö' üóïÃ* ôï video êáôáãñÜöåôáé óôïÃ* HDD êáé ü÷é óôçÃ* RAM (èá ÞôáÃ* ÷áæü êÜôé ôÝôïéï), äåÃ* èá Ýðñåðå Ã*á õðÜñ÷åé üñéï, ðëçÃ* ôçò ÷ùñçôéêüôçôáò ôïõ HDD.
Ðéóôåýù ïýôå 7 ïýôå 15 ëåðôÜ èá åßÃ*áé. Èá ïñßæåéò óáÃ* ìÜîéìïõì üñéï áò ðïýìå 10gb áðü ôï HDD êáé áðü åêåß êáé ðÝñá èá ãñÜöåé ìÝ÷ñé ôï üñéï. ÄåÃ* âëÝðù êáÃ*ÝÃ*á ëüãï Ã*á ìåßÃ*åé óôá 15ëåðôá ìéáò êáé èá áðïèçêåýåôáé üëï óôï äßóêï.