InfoMagic Standards 1993 July

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Wingz Spreadsheet | 1993-03-31 | 37.0 KB | 502 lines

WNGZWZSS0110 Geneva AUTOSAVE.BACK NoDataPacket ShortPacket MaxHops PhyDelay CableDelay CableLength HopsToRoot XactHops DecisionTime SynchSelect AckBits DefBaudRate AckGap RoundTripTime ArbTime CodeEff FixedOverhead AckTime LongPacketOverhead BitsPer256Xfer CycleTime CycleOverhead ChannelOverheadTime ChannelOverheadBits Write512 Write64 Write16 Write4 DefaultParms OperatingParms RawRoundTripTime StateMachineClock RawArbTime NChanISDN NChanStDAT NChanHDTV WorstCaseTable WorstCaseTable400 XactGap Read64 Write12 SBP8kRead SBP512Read WorstCaseTable200 Printed - _ mm/dd/yyh5 0.%0 0%1% 0%1% 0%1% 0%1% 0%1.%0 0%1.%0 0%1.%0 # of ISDN B channels ( Mbps)5 # of stereo DAT channels ( Mbps)5 # of HDTV channels ( Mbps)5 0%1% 0%1% 0%1% 0%1% 0%1% 0%1% 0%1% 0%1% 0%1.%0 0%1.%1+ .%0%1+ 0%1.%0 0%1.%0 .%0%/% .%.%/% .%.%/% .%0%/% Geneva @# Helvetica @# Helvetica @# Helvetica @# Helvetica @# Helvetica @# Helvetica @# Helvetica @# Helvetica @# Helvetica @# Helvetica @# Helvetica @# Helvetica @# Helvetica @# Helvetica @ Geneva @ Geneva @# Helvetica @# Helvetica @0 Helvetica Helvetica @0 Helvetica Helvetica @ Geneva @0 Helvetica Performance nextRow nextRowVal nextRowVal nextRowVal nextRow nextRowVal nextRow P1394 Performance Bill's times Default Parameters Isochronous size Data rate TFair Detect Gap Total Gap Max Hops Coding efficiency bits/bit (bytes) (Mbit/sec) UUUUU UUUUU UUUUU UUUUU PHY repeat delay UUUUU UUUUU UUUUU UUUUU Cable delay per meter UUUUU Max cable hops UUUUU UUUUU UUUUU Max cable length meters UUUUU UUUUU UUUUU Decision time% UUUUU UUUUU UUUUU UUUUUF Transaction cable hops UUUUU Hops to root UUUUU VUUUU Default Baud Rate Mbaud UUUUU UUUUU UUUUU Arb state machine period% UUUUU UUUUU UUUUU P1394 Performance % Last change by Mike Teener - 2/19/93 Printed - 03/31/93 Effective Bandwidth (MByte/sec) Round Trip Phy Timer # of Isoch Channels SBP Performance (Mbyte/sec) Transaction overhead Parameters: write size -> 512 byte 64 byte 16 byte 4 byte (ATS) Stereo DAT 8k Read 512 Read preamble Coding efficiency bits/bit Max Hops% UUUUU addresses+label+busy+codes PHY repeat delay UUUUU header CRC Cable delay per meter UUUUU termination Max cable hops No Data Packet% Max cable length meters UUUUU first quadlet Decision time UUUUU Short Packet% Transaction cable hops UUUUU data CRC Hops to root Long Packet Overhead% Default Baud Rate Mbaud UUUUU Arb state machine period UUUUU UUUUU ack bits Worst case round trip time UUUUU ACK gap% xwwww Rounded up to next 24.576 Mhz UUUUU UUUUU ack time% Phy counter (ATS) UUUUU Worst case arbitration time UUUUU data prefix & speed select% Rounded up to next 24.576 Mhz UUUUU Intertransaction gap% UUUUU Arbitration% UUUUU Effective Bandwidth (MByte/sec) Round Trip Phy Timer # of Isoch Channels SBP Performance (Mbyte/sec) Total request overhead:% DAT channel = 48 kHz * 16 bits write size -> 512 byte 64 byte 16 byte 4 byte (ATS) Stereo DAT 8k Read 512 Read ISDN B channel = 8 kHz * 8 bits Max Hops% UUUUU Channel overhead bits% UUUUU Channel overhead time% Default Rate UUUUU Cycle time High Speed Rate Cycle start% Possible Rate UUUUU Cycle overhead% Difficult Rates l{VPF UUUUU $True data transfer rates (Mbits/sec) fo_0@ Baud rate Info bits/xfer% Mbaud q,=Fy UUUUU burst rate Mbits/sec 0< T MBytes/sec UUUUU 4-byte writes Mbits/sec UUUUU 16-byte writes% Mbits/sec UUUUU 32-byte writes Mbits/sec UUUUU 64-byte writes% d5-@% Mbits/sec UUUUU 128-byte writes Mbits/sec 256-byte writes% ^>>\ZL@% Mbits/sec 512-byte writes% {1rZ@% Mbits/sec Effective Bandwidth (MByte/sec) Round Trip Phy Timer # of Isoch Channels SBP Performance (Mbyte/sec) 1024-byte writes% PXFQ@% ~Og@% Mbits/sec write size -> 512 byte 64 byte 16 byte 4 byte (ATS) Stereo DAT 8k Read 512 Read 2048-byte writes% -R'k@% Mbits/sec MaxHops% UUUUU 4096-byte writes% 66:V@% Mbits/sec UUUUU 8192-byte writes% ITIf@% Mbits/sec UUUUU 4-byte reads (unified) Mbits/sec &qbD@ 64-byte reads (unified)% Mbits/sec UUUUU 512-byte reads (unified)% Mbits/sec 4-byte reads (split) Mbits/sec UUUUU 512-byte reads (split)% Mbits/sec pB+ xI>@ q,=Fy UUUUU SBP Performance 512 byte read Mbyte/sec UUUUU tCF3@ RP @ (8k byte read (using largest packet size) M-?@% Mbyte/sec UUUUU UUUUU Worst-case latency UUUUU 8 Devices with 256 byte xfer: !"""ZSs@% UUUUU ,8 Devices with 256 byte xfer+ 4 DAT channels kXt~@% ,64 devices with 4-byte xfer + 4 DAT channels 64 devices with 4-byte xfer ffffI Baud rate Mbaud Cycle efficiency Info bits/channel # of ISDN B channels (0.064Mbps) $# of stereo DAT channels (1.536Mbps)% # of HDTV channels (24.576Mbps)% "Unused cycle time remaining after: 4 mono DAT channels 24 ISDN B + 1 US ISDN * primary rate channels 30 ISDN B + 1 CCITT ISDN * primary rate channels gV2k 16 stereo DAT channels Subaction Time (including arbitration and ack) Info bits/channel 0 byte (response) 4 byte (quadlet) 3333s 3333S 8 byte (address)% 12 byte (SBP event)% 128 byte% 33333hA@% 256 byte% 3333s{C@% 512 byte% 33333\C@% 1024 byte% 3333sKK@% 2048 byte% wwwwg<i@% 33333,K@% 4096 byte% wwww' 8192 byte% ffff> stereo DAT (24 byte isoch)% bm5@% 256 byte isoch% AKE@% empty channel (0 byte isoch)% ISDN B channel (1 byte isoch) |15@% 4 byte read (unified) q8F@% fffff 8 byte read (unified)% ffff6&F@ 64 byte read (unified)% [iJ@% 128 byte read (unified)% ffffF ffffVtF@ 512 byte read (unified)% ffffF ffffVnG@ 1024 byte read (unified)% V^`@% 8-byte swap (unified) 8-byte CAS (unified) [{G@% Other useful numbers Block packet overhead time Channel overhead time Quadlet read transaction time +Block split transaction fixed overhead time 3333s "8 byte split read transaction time 3333# $128 byte split read transaction time 33333bR@% 3333C $256 byte split read transaction time $512 byte split read transaction time 33333JV@% =vS@% 3333C %1024 byte split read transaction time DDDDd.c@% 8-byte swap (split) 8-byte CAS (split) sec isoch packet (bytes) bytes "data rate of 100 sec isoch packet Mbits/sec %time remaining for asynch (per cycle) `3~K "-- and send 512 byte async packet cycles sec isoch packet (bytes) bytes !data rate of 80 sec isoch packet 333333O@% Zdo@% Mbits/sec (Time to send 1024 byte block (data only) UUUUURU@% UUUUURE@% UUUUUR5@% UUUUUR%@% UUUUUR 400 Mbit/Sec Wo 400 Mbit/Sec Worst Case Chicago Chicago Object 57 Object 66 Object 75 Object 84 Object 93 Object 4.n Print ... Chicago Chicago Object 3ults Set Defaults Chicago Chicago 200 Mbit/Sec Wo 200 Mbit/Sec Worst Case Chicago Chicago 100 Mbit/Sec Wo 100 Mbit/Sec Worst Case Chicago Chicago