X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lib%2Fsorter%2Fsbuck.c;h=e506e3189161d905ca4a1408df789f799b4c86bc;hb=7119957a2df57af617f432dd429e1d6ae5cbe0fd;hp=287827ee3359f5a08b4162afee5c0eced00ce09e;hpb=9d9c5f728fc131aff8b450da6bce4a0d4414b8ff;p=libucw.git diff --git a/lib/sorter/sbuck.c b/lib/sorter/sbuck.c index 287827ee..e506e318 100644 --- a/lib/sorter/sbuck.c +++ b/lib/sorter/sbuck.c @@ -10,6 +10,7 @@ #include "lib/lib.h" #include "lib/fastbuf.h" #include "lib/mempool.h" +#include "lib/stkstring.h" #include "lib/sorter/common.h" #include @@ -68,10 +69,7 @@ sbuck_swap_in(struct sort_bucket *b) { if (b->flags & SBF_SWAPPED_OUT) { - if (sorter_stream_bufsize) /* FIXME: Needs better configuration, probably semi-automatic one */ - b->fb = bopen(b->filename, O_RDWR, sorter_stream_bufsize); - else - b->fb = fbdir_open(b->filename, O_RDWR, NULL); + b->fb = bopen_file(b->filename, O_RDWR, &sorter_fb_params); /* FIXME: Something different for small buckets? */ if (b->flags & SBF_OPEN_WRITE) bseek(b->fb, 0, SEEK_END); bconfig(b->fb, BCONFIG_IS_TEMP_FILE, 1); @@ -106,10 +104,7 @@ sbuck_write(struct sort_bucket *b) else { ASSERT(!(b->flags & (SBF_OPEN_READ | SBF_DESTROYED))); - if (sorter_stream_bufsize) - b->fb = bopen_tmp(sorter_stream_bufsize); - else - b->fb = fbdir_open_tmp(NULL); + b->fb = bopen_tmp_file(&sorter_fb_params); if (sorter_debug & SORT_DEBUG_KEEP_BUCKETS) bconfig(b->fb, BCONFIG_IS_TEMP_FILE, 0); b->flags |= SBF_OPEN_WRITE; @@ -133,18 +128,22 @@ sbuck_swap_out(struct sort_bucket *b) } } +void +sorter_prepare_buf(struct sort_context *ctx) +{ + u64 bs = sorter_bufsize; + bs = ALIGN_TO(bs, (u64)CPU_PAGE_SIZE); + bs = MAX(bs, 2*(u64)CPU_PAGE_SIZE); + ctx->big_buf_size = bs; +} + void sorter_alloc_buf(struct sort_context *ctx) { if (ctx->big_buf) return; - u64 bs = MAX(sorter_bufsize/2, 1); - bs = ALIGN_TO(bs, (u64)CPU_PAGE_SIZE); - ctx->big_buf = big_alloc(2*bs); - ctx->big_buf_size = 2*bs; - ctx->big_buf_half = ((byte*) ctx->big_buf) + bs; - ctx->big_buf_half_size = bs; - SORT_XTRACE(2, "Allocated sorting buffer (2*%jd bytes)", (uintmax_t) bs); + ctx->big_buf = big_alloc(ctx->big_buf_size); + SORT_XTRACE(2, "Allocated sorting buffer (%s)", stk_fsize(ctx->big_buf_size)); } void @@ -156,22 +155,3 @@ sorter_free_buf(struct sort_context *ctx) ctx->big_buf = NULL; SORT_XTRACE(2, "Freed sorting buffer"); } - -void -format_size(byte *buf, u64 x) -{ - if (x < 10<<10) - sprintf(buf, "%.1fK", (double)x/(1<<10)); - else if (x < 1<<20) - sprintf(buf, "%dK", (int)(x/(1<<10))); - else if (x < 10<<20) - sprintf(buf, "%.1fM", (double)x/(1<<20)); - else if (x < 1<<30) - sprintf(buf, "%dM", (int)(x/(1<<20))); - else if (x < (u64)10<<30) - sprintf(buf, "%.1fG", (double)x/(1<<30)); - else if (x != ~(u64)0) - sprintf(buf, "%dG", (int)(x/(1<<30))); - else - strcpy(buf, "unknown"); -}