Free IP Cores

Free IP cores download

http://www.provartec.com/free-ip-cores
http://opencores.org/
http://www.fpga.com.cn/
http://www.lug-kiel.de/links/details/hdl.html
http://www.fpga4fun.com/
http://www.gaisler.com/

PYPY toolchain case study

 

-input program(python)

-output(#c,java)

-flow analysis

flow graph gen(block, start/exit/exception, condition)

block(operators,values,result->pointer map)

block(list, input, exit, def, use, alive)

-annotator

class def(SomeObject, IntegerObject, StringObject...)

class def(SomeList, SomeTuple, SomeDic...) for high level

analysis pass(map flow graph(High level) 2 low level graph)

-Rtype()

Rtype def(int,float,char...) 

low level optimization(malloc remove,func inline,stackless)

-lltype() 

lltype def(LLVM based)

Ref:http://codespeak.net/pypy/dist/pypy/doc/index.html

new challenge

小弟的新公司,以後請多多指教.

Ref: http://www.sonicsinc.com/