The Institute of Kọmputa Technology nke Chinese Academy of Sciences gosipụtara XiangShan oru ngo, nke kemgbe 2020 na-azụlite a elu-arụmọrụ mepere emepe dabeere RISC-V ntụziaka set architecture (RV64GC). Mmepe nke oru ngo a ghere oghe n'okpuru ikike ikike MulanPSL 2.0.
Ihe oru ngo a ebipụtala nkọwa nke ngọngọ ngwaike n'asụsụ Chisel, nke a sụgharịrị n'ime Verilog, ntinye ntinye aka na FPGA, na ihe oyiyi maka ịmegharị ọrụ nke mgbawa na Verilog simulator Verilator mepere emepe. Eserese na nkọwa nke ihe owuwu ahụ dịkwa (na mkpokọta karịa akwụkwọ 400 na ahịrị koodu 50), mana ọtụtụ akwụkwọ dị na Chinese. A na-eji Debian GNU/Linux dị ka sistemu arụ ọrụ ntụaka ejiri nwalee mmejuputa dabere na FPGA.
XiangShan na-ekwu na ọ bụ mgbawa RISC-V kacha arụ ọrụ, karịa SiFive P550. N'ọnwa a, a na-eme atụmatụ imecha ule na FPGA wee wepụta mgbawa 8-core prototype nke na-arụ ọrụ na 1.3 GHz ma mepụta ya site na TSMC site na iji teknụzụ usoro 28nm, nke akpọrọ "Yanqi Lake". Ihe mgbawa ahụ gụnyere cache 2MB, onye na-ahụ maka ebe nchekwa nwere nkwado maka ebe nchekwa DDR4 (ruo 32GB nke RAM) yana interface PCIe-3.0-x4.
Arụmọrụ nke mgbawa mbụ na SPEC2006 ule na-eme atụmatụ na 7/Ghz, nke kwekọrọ na ibe ARM Cortex-A72 na Cortex-A73. Ka ọ na-erule njedebe nke afọ, a na-eme atụmatụ mmepụta nke abụọ "South Lake" prototype na nhazi ụlọ ka mma, nke a ga-ebufe na SMIC na teknụzụ usoro 14nm na mmụba ugboro ugboro na 2 GHz. A na-atụ anya na prototype nke abụọ ga-eme na 2006 / GHz na ule SPEC10, nke dị nso na ARM Cortex-A76 na Intel Core i9-10900K processors, ma dị elu karịa SiFive P550, RISC-V CPU kasị ọsọ, nke nwere a. arụmọrụ nke 8.65 / GHz.
Cheta na RISC-V na-enye usoro nkuzi igwe mepere emepe ma na-agbanwe agbanwe nke na-enye ohere ka e wuo microprocessors maka ngwa aka ike na-achọghị ụgwọ eze ma ọ bụ itinye ọnọdụ na ojiji. RISC-V na-enye gị ohere ịmepụta SoCs na processors mepere emepe kpamkpam. Ugbu a, dabere na nkọwapụta RISC-V, ụlọ ọrụ dị iche iche na obodo dị n'okpuru ikikere efu dị iche iche (BSD, MIT, Apache 2.0) na-etolite ọtụtụ ụdị iri na abụọ nke cores microprocessor, SoCs ma mepụtala ibe. Sistemụ arụmọrụ nwere nkwado dị elu maka RISC-V gụnyere Linux (nke dị ugbu a kemgbe ewepụtara Glibc 2.27, binutils 2.30, gcc 7 na Linux kernel 4.15) na FreeBSD.
isi: opennet.ru