我想在Github中使用这个包进行字符串匹配。我的字典有4MB。创建Trie时,我遇到了
看起来错误是来自于现在(here)的第99行:
这是错误信息:
fatal error: runtime: out of memory
的问题。我正在使用Ubuntu 14.04,拥有8GB的RAM和Golang版本1.4.2。看起来错误是来自于现在(here)的第99行:
m.trie = make([]node, max)
程序停在这一行。这是错误信息:
fatal error: runtime: out of memory
runtime stack:
runtime.SysMap(0xc209cd0000, 0x3b1bc0000, 0x570a00, 0x5783f8)
/usr/local/go/src/runtime/mem_linux.c:149 +0x98
runtime.MHeap_SysAlloc(0x57dae0, 0x3b1bc0000, 0x4296f2)
/usr/local/go/src/runtime/malloc.c:284 +0x124
runtime.MHeap_Alloc(0x57dae0, 0x1d8dda, 0x10100000000, 0x8)
/usr/local/go/src/runtime/mheap.c:240 +0x66
goroutine 1 [running]:
runtime.switchtoM()
/usr/local/go/src/runtime/asm_amd64.s:198 fp=0xc208518a60 sp=0xc208518a58
runtime.mallocgc(0x3b1bb25f0, 0x4d7fc0, 0x0, 0xc20803c0d0)
/usr/local/go/src/runtime/malloc.go:199 +0x9f3 fp=0xc208518b10 sp=0xc208518a60
runtime.newarray(0x4d7fc0, 0x3a164e, 0x1)
/usr/local/go/src/runtime/malloc.go:365 +0xc1 fp=0xc208518b48 sp=0xc208518b10
runtime.makeslice(0x4a52a0, 0x3a164e, 0x3a164e, 0x0, 0x0, 0x0)
/usr/local/go/src/runtime/slice.go:32 +0x15c fp=0xc208518b90 sp=0xc208518b48
github.com/mf/ahocorasick.(*Matcher).buildTrie(0xc2083c7e60, 0xc209860000, 0x26afb, 0x2f555)
/home/go/ahocorasick/ahocorasick.go:104 +0x28b fp=0xc208518d90 sp=0xc208518b90
github.com/mf/ahocorasick.NewStringMatcher(0xc208bd0000, 0x26afb, 0x2d600, 0x8)
/home/go/ahocorasick/ahocorasick.go:222 +0x34b fp=0xc208518ec0 sp=0xc208518d90
main.main()
/home/go/seme/substrings.go:66 +0x257 fp=0xc208518f98 sp=0xc208518ec0
runtime.main()
/usr/local/go/src/runtime/proc.go:63 +0xf3 fp=0xc208518fe0 sp=0xc208518f98
runtime.goexit()
/usr/local/go/src/runtime/asm_amd64.s:2232 +0x1 fp=0xc208518fe8 sp=0xc208518fe0
exit status 2
这是主函数的内容(取自同一代码库的测试文件)。
var dictionary = InitDictionary()
var bytes = []byte(""Partial invoice (€100,000, so roughly 40%) for the consignment C27655 we shipped on 15th August to London from the Make Believe Town depot. INV2345 is for the balance.. Customer contact (Sigourney) says they will pay this on the usual credit terms (30 days).")
var precomputed = ahocorasick.NewStringMatcher(dictionary)// line 66 here
fmt.Println(precomputed.Match(bytes))