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開始行:
[[????/????]]
//???漼????
#contents
*Q and A [#ced5156d]
** Q1:???ߥ?졼???Ǥ????????ͤ???????Τˡ??µ???ư?????????????ͤ?...
-Ans.
-- ?⥸?塼????˥ѥ??ץ饤???????Ϥ??Ƥ??ޤ?????
??:pg_float_sub(x,y,z,NFLO,NMAN,NST,RM)??NST(?ѥ??ץ饤???ʿ...
RM(?ݤ?????⡼??:round-mode)?Ͼ?ά?ĤǤ?????
NST???ά???????????ư???ޤ???Ǥ?????
NST=3??ư???ǧ?ѤߤǤ???
?? pg_conv_floattofix??web?Υ?ե???Ǥ?NST?ε??Ҥ???ά????Ƥ??ޤ...
-- pg_bits_delay??????????Ƥ??ޤ?????
pg_bits_delay(x,z,NBIT,NST)??ץ????????????????Ƥߤ?ȡ????ޤ?...
NST=10??ư???ǧ?ѤߤǤ???
-- ????Ǥ???ᡣ
?⥸?塼???İ?Ĥڤ??ʤ???ɤ??Υ⥸?塼??ε??ҤǴְ?ä??ͤ??Ǥ?Τ???ǧ???ޤ??...
**Q2:??ư???????Υޥå????????狼??ޤ??ǥХå????????ͤ??狼??ޤ??? ...
-Ans.
--[[????/????/?ǡ???/PROGRAPE-??]]???ȡ?
--??
|NFLO|NMAN|NEXP|
|26|16|8|
?λ??ϡ?
|>|>|>| 26bit |
| 1 bit | 1 bit | 8 bit | 16 bit |
|sign bit|nonzero bit|exp data | mantissa data|
**Q3:pg_fix_accum ?? pg_fix_smaccum ?ΰ㤤???狼??ޤ???pg_fix...
**Q4:pg_float_accum?⥸?塼?뤬?ʤ??ȸ????ޤ??????Ȥ??ʤ??ΤǤ??礦??...
-??ϩ??????
--pgrv?Ǥ?pg_float_accum?˴ؤ???vhd?ե????뤬????????ޤ??????ѹ?...
--ISE_PROJECT/pgpg_mem/pg_pipe.vhd
pg_float_accum_26_16_4_6 port map(......, run=>ru...
???ʲ??Τ褦?˽????ޤ??礦??
pg_float_accum_26_16_4_6 port map(......, run=>ru...
?? run()?ο??ͤ?????Ǥ?????pg_float_fixaccum???????????run??...
**Q5 pg_float_div??Ȥ??ȹ??????˥??顼???Ф?[#v464d245]
???ߥ?졼?????ǤϷ?̤??Ф?Τ?????ɡ?ISE_PROJECT??make????ȥ??顼???...
???顼??
ISE_PROJECT/pgpg_mem/pg_module.vhd??Undefined symbol 'z0'
pg_float_div?ϡ?pg_float_recipro?ʵտ??ˤ? pg_float_mult?ʾ軻?...
z0????????ɲä??Ƥ⥨?顼??????????????ä???
&br;&br;
??????????pg_float_div??Ȥ??????Ȥ???pg_float_recipro??pg_f...
¾???ɤ??Ƥ????ä??顢?????Ƥ?????????&br;
**PROGRAPE?μ¹Ի??ֲ?????ˡ?ϡ? [#yc8ec125]
force()?ؿ??ˤƤ???????֤?~
++ž??????
++??????
++????¾?λ???~
?ǹ???????롣~
~
|̾|?ؿ?̾|
|j-particle??ž??????|pgr_setjpset_one(devid, j, jdata);|
|i-particle??ž??????|pgr_setipset_one(devid, ichip, iii, ...
|??????|pgr_start_calc(devid, nj);|
|????̤?ۥ??Ȥ??֤?ž??????|pgr_getfoset(devid, fdata);|
~
?嵭3?Ĥ?ž?????֤ι?פȷ????֡????Τۤ??λ??֤??碌??
force()?ؿ????Τλ??֤Ȥʤ롣~
t1~
force();~
t2~
t2-t1??force?ؿ????Τλ??֤?פꡢž?????֤ȷ????֤??????
???Τۤ??λ??֤????Ф???롣~
?????Τۤ??λ??֡ʷ??Ѵ?double->pgr?ˤʤɡ?~
~
*????¾?ǡ??? [#a6bb35c3]
***?⥸?塼????Υѥ??ץ饤???????ˤĤ??? [#q8c066f7]
- web??Υ?ե???ˤ??ȡ?pg_fix_accum?Υѥ??ץ饤??ε??Ҥ?ʤ??Ƥ?ư??Ƥ?...
- ?????????ꤷ?ʤ??????????ͤ??????ʤ??ä??⥸?塼??
--¾?ˤ⤢??Ȼפ???
|?⥸?塼??̾|NST|
|pg_float_add|3|
|pg_float_sub|3|
|pg_float_mult|3|
|pg_float_fixaccum|2?ʾ?|
終了行:
[[????/????]]
//???漼????
#contents
*Q and A [#ced5156d]
** Q1:???ߥ?졼???Ǥ????????ͤ???????Τˡ??µ???ư?????????????ͤ?...
-Ans.
-- ?⥸?塼????˥ѥ??ץ饤???????Ϥ??Ƥ??ޤ?????
??:pg_float_sub(x,y,z,NFLO,NMAN,NST,RM)??NST(?ѥ??ץ饤???ʿ...
RM(?ݤ?????⡼??:round-mode)?Ͼ?ά?ĤǤ?????
NST???ά???????????ư???ޤ???Ǥ?????
NST=3??ư???ǧ?ѤߤǤ???
?? pg_conv_floattofix??web?Υ?ե???Ǥ?NST?ε??Ҥ???ά????Ƥ??ޤ...
-- pg_bits_delay??????????Ƥ??ޤ?????
pg_bits_delay(x,z,NBIT,NST)??ץ????????????????Ƥߤ?ȡ????ޤ?...
NST=10??ư???ǧ?ѤߤǤ???
-- ????Ǥ???ᡣ
?⥸?塼???İ?Ĥڤ??ʤ???ɤ??Υ⥸?塼??ε??ҤǴְ?ä??ͤ??Ǥ?Τ???ǧ???ޤ??...
**Q2:??ư???????Υޥå????????狼??ޤ??ǥХå????????ͤ??狼??ޤ??? ...
-Ans.
--[[????/????/?ǡ???/PROGRAPE-??]]???ȡ?
--??
|NFLO|NMAN|NEXP|
|26|16|8|
?λ??ϡ?
|>|>|>| 26bit |
| 1 bit | 1 bit | 8 bit | 16 bit |
|sign bit|nonzero bit|exp data | mantissa data|
**Q3:pg_fix_accum ?? pg_fix_smaccum ?ΰ㤤???狼??ޤ???pg_fix...
**Q4:pg_float_accum?⥸?塼?뤬?ʤ??ȸ????ޤ??????Ȥ??ʤ??ΤǤ??礦??...
-??ϩ??????
--pgrv?Ǥ?pg_float_accum?˴ؤ???vhd?ե????뤬????????ޤ??????ѹ?...
--ISE_PROJECT/pgpg_mem/pg_pipe.vhd
pg_float_accum_26_16_4_6 port map(......, run=>ru...
???ʲ??Τ褦?˽????ޤ??礦??
pg_float_accum_26_16_4_6 port map(......, run=>ru...
?? run()?ο??ͤ?????Ǥ?????pg_float_fixaccum???????????run??...
**Q5 pg_float_div??Ȥ??ȹ??????˥??顼???Ф?[#v464d245]
???ߥ?졼?????ǤϷ?̤??Ф?Τ?????ɡ?ISE_PROJECT??make????ȥ??顼???...
???顼??
ISE_PROJECT/pgpg_mem/pg_module.vhd??Undefined symbol 'z0'
pg_float_div?ϡ?pg_float_recipro?ʵտ??ˤ? pg_float_mult?ʾ軻?...
z0????????ɲä??Ƥ⥨?顼??????????????ä???
&br;&br;
??????????pg_float_div??Ȥ??????Ȥ???pg_float_recipro??pg_f...
¾???ɤ??Ƥ????ä??顢?????Ƥ?????????&br;
**PROGRAPE?μ¹Ի??ֲ?????ˡ?ϡ? [#yc8ec125]
force()?ؿ??ˤƤ???????֤?~
++ž??????
++??????
++????¾?λ???~
?ǹ???????롣~
~
|̾|?ؿ?̾|
|j-particle??ž??????|pgr_setjpset_one(devid, j, jdata);|
|i-particle??ž??????|pgr_setipset_one(devid, ichip, iii, ...
|??????|pgr_start_calc(devid, nj);|
|????̤?ۥ??Ȥ??֤?ž??????|pgr_getfoset(devid, fdata);|
~
?嵭3?Ĥ?ž?????֤ι?פȷ????֡????Τۤ??λ??֤??碌??
force()?ؿ????Τλ??֤Ȥʤ롣~
t1~
force();~
t2~
t2-t1??force?ؿ????Τλ??֤?פꡢž?????֤ȷ????֤??????
???Τۤ??λ??֤????Ф???롣~
?????Τۤ??λ??֡ʷ??Ѵ?double->pgr?ˤʤɡ?~
~
*????¾?ǡ??? [#a6bb35c3]
***?⥸?塼????Υѥ??ץ饤???????ˤĤ??? [#q8c066f7]
- web??Υ?ե???ˤ??ȡ?pg_fix_accum?Υѥ??ץ饤??ε??Ҥ?ʤ??Ƥ?ư??Ƥ?...
- ?????????ꤷ?ʤ??????????ͤ??????ʤ??ä??⥸?塼??
--¾?ˤ⤢??Ȼפ???
|?⥸?塼??̾|NST|
|pg_float_add|3|
|pg_float_sub|3|
|pg_float_mult|3|
|pg_float_fixaccum|2?ʾ?|
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