X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=binloader.cpp;h=3877ffcaf827aa87267ff4237cc45796e1490641;hb=b97c4d33965659b1ec9b20dec4ce359b78533d04;hp=a0304561c0c5ee7dfb0be31e6465a7a6315b0611;hpb=f95dfda2d14615a9816ba1abb32bd240a470e228;p=remoteglot-book diff --git a/binloader.cpp b/binloader.cpp index a030456..3877ffc 100644 --- a/binloader.cpp +++ b/binloader.cpp @@ -19,21 +19,25 @@ using namespace std; -static int memcmp_different_len(const void *s1, size_t n1, const void *s2, size_t n2) +static inline int memcmp_different_len(const void *s1, size_t n1, const void *s2, size_t n2) { - int shared_len = min(n1, n2); + size_t shared_len = min(n1, n2); + if (shared_len >= 8) { + uint64_t a1 = *(const uint64_t *)s1; + uint64_t a2 = *(const uint64_t *)s2; + if (a1 != a2) { + a1 = __builtin_bswap64(a1); + a2 = __builtin_bswap64(a2); + return (a1 < a2) ? -1 : 1; + } + } + int s = memcmp(s1, s2, shared_len); if (s != 0) { return s; } - if (n1 < n2) { - return -1; - } else if (n1 > n2) { - return 1; - } else { - return 0; - } + return n2 - n1; } enum Result { WHITE = 0, DRAW, BLACK }; @@ -104,9 +108,10 @@ void write_subshard(const char *basename, ShardData* shard, int bucket) e.bpfen_len != shard->elems[i + 1].bpfen_len || memcmp(e.bpfen, shard->elems[i + 1].bpfen, e.bpfen_len) != 0) { c.SerializeToString(&buf); - mtbl_writer_add(mtbl, + mtbl_res res = mtbl_writer_add(mtbl, (const uint8_t *)e.bpfen, e.bpfen_len, (const uint8_t *)buf.data(), buf.size()); + assert(res == mtbl_res_success); c = Count(); moves.clear(); }