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r778: reduced the number of alloc() calls a bit

This commit is contained in:
Heng Li 2014-05-15 23:23:04 -04:00
parent 012d54fc49
commit a5ad0cff7f
3 changed files with 23 additions and 13 deletions
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30
bwamem.c
View File

@ -226,7 +226,7 @@ void mem_print_chain(const bntseq_t *bns, mem_chain_v *chn)
}
}
mem_chain_v mem_chain(const mem_opt_t *opt, const bwt_t *bwt, const bntseq_t *bns, int len, const uint8_t *seq)
mem_chain_v mem_chain(const mem_opt_t *opt, const bwt_t *bwt, const bntseq_t *bns, int len, const uint8_t *seq, void *buf)
{
int i, b, e, l_rep;
int64_t l_pac = bns->l_pac;
@ -238,7 +238,7 @@ mem_chain_v mem_chain(const mem_opt_t *opt, const bwt_t *bwt, const bntseq_t *bn
if (len < opt->min_seed_len) return chain; // if the query is shorter than the seed length, no match
tree = kb_init(chn, KB_DEFAULT_SIZE);
aux = smem_aux_init();
aux = buf? (smem_aux_t*)buf : smem_aux_init();
mem_collect_intv(opt, bwt, len, seq, aux);
for (i = 0, b = e = l_rep = 0; i < aux->mem.n; ++i) { // compute frac_rep
bwtintv_t *p = &aux->mem.a[i];
@ -276,7 +276,7 @@ mem_chain_v mem_chain(const mem_opt_t *opt, const bwt_t *bwt, const bntseq_t *bn
}
}
}
smem_aux_destroy(aux);
if (buf == 0) smem_aux_destroy(aux);
kv_resize(mem_chain_t, chain, kb_size(tree));
@ -808,7 +808,7 @@ static inline int get_rlen(int n_cigar, const uint32_t *cigar)
void mem_aln2sam(const bntseq_t *bns, kstring_t *str, bseq1_t *s, int n, const mem_aln_t *list, int which, const mem_aln_t *m_, int softclip_all)
{
int i;
int i, l_name;
mem_aln_t ptmp = list[which], *p = &ptmp, mtmp, *m = 0; // make a copy of the alignment to convert
if (m_) mtmp = *m_, m = &mtmp;
@ -824,7 +824,9 @@ void mem_aln2sam(const bntseq_t *bns, kstring_t *str, bseq1_t *s, int n, const m
p->flag |= m && m->is_rev? 0x20 : 0; // is mate on the reverse strand
// print up to CIGAR
kputs(s->name, str); kputc('\t', str); // QNAME
l_name = strlen(s->name);
ks_resize(str, str->l + s->l_seq + l_name + (s->qual? s->l_seq : 0) + 20);
kputsn(s->name, l_name, str); kputc('\t', str); // QNAME
kputw((p->flag&0xffff) | (p->flag&0x10000? 0x100 : 0), str); kputc('\t', str); // FLAG
if (p->rid >= 0) { // with coordinate
kputs(bns->anns[p->rid].name, str); kputc('\t', str); // RNAME
@ -1000,7 +1002,7 @@ void mem_reg2sam_se(const mem_opt_t *opt, const bntseq_t *bns, const uint8_t *pa
if (XA) free(XA);
}
mem_alnreg_v mem_align1_core(const mem_opt_t *opt, const bwt_t *bwt, const bntseq_t *bns, const uint8_t *pac, int l_seq, char *seq)
mem_alnreg_v mem_align1_core(const mem_opt_t *opt, const bwt_t *bwt, const bntseq_t *bns, const uint8_t *pac, int l_seq, char *seq, void *buf)
{
int i;
mem_chain_v chn;
@ -1009,7 +1011,7 @@ mem_alnreg_v mem_align1_core(const mem_opt_t *opt, const bwt_t *bwt, const bntse
for (i = 0; i < l_seq; ++i) // convert to 2-bit encoding if we have not done so
seq[i] = seq[i] < 4? seq[i] : nst_nt4_table[(int)seq[i]];
chn = mem_chain(opt, bwt, bns, l_seq, (uint8_t*)seq);
chn = mem_chain(opt, bwt, bns, l_seq, (uint8_t*)seq, buf);
chn.n = mem_chain_flt(opt, chn.n, chn.a);
if (opt->min_chain_weight > 0) mem_flt_chained_seeds(opt, bns, pac, l_seq, (uint8_t*)seq, chn.n, chn.a);
if (bwa_verbose >= 4) mem_print_chain(bns, &chn);
@ -1115,6 +1117,7 @@ typedef struct {
const bntseq_t *bns;
const uint8_t *pac;
const mem_pestat_t *pes;
smem_aux_t **aux;
bseq1_t *seqs;
mem_alnreg_v *regs;
int64_t n_processed;
@ -1125,12 +1128,12 @@ static void worker1(void *data, int i, int tid)
worker_t *w = (worker_t*)data;
if (!(w->opt->flag&MEM_F_PE)) {
if (bwa_verbose >= 4) printf("=====> Processing read '%s' <=====\n", w->seqs[i].name);
w->regs[i] = mem_align1_core(w->opt, w->bwt, w->bns, w->pac, w->seqs[i].l_seq, w->seqs[i].seq);
w->regs[i] = mem_align1_core(w->opt, w->bwt, w->bns, w->pac, w->seqs[i].l_seq, w->seqs[i].seq, w->aux[tid]);
} else {
if (bwa_verbose >= 4) printf("=====> Processing read '%s'/1 <=====\n", w->seqs[i<<1|0].name);
w->regs[i<<1|0] = mem_align1_core(w->opt, w->bwt, w->bns, w->pac, w->seqs[i<<1|0].l_seq, w->seqs[i<<1|0].seq);
w->regs[i<<1|0] = mem_align1_core(w->opt, w->bwt, w->bns, w->pac, w->seqs[i<<1|0].l_seq, w->seqs[i<<1|0].seq, w->aux[tid]);
if (bwa_verbose >= 4) printf("=====> Processing read '%s'/2 <=====\n", w->seqs[i<<1|1].name);
w->regs[i<<1|1] = mem_align1_core(w->opt, w->bwt, w->bns, w->pac, w->seqs[i<<1|1].l_seq, w->seqs[i<<1|1].seq);
w->regs[i<<1|1] = mem_align1_core(w->opt, w->bwt, w->bns, w->pac, w->seqs[i<<1|1].l_seq, w->seqs[i<<1|1].seq, w->aux[tid]);
}
}
@ -1162,6 +1165,7 @@ void mem_process_seqs(const mem_opt_t *opt, const bwt_t *bwt, const bntseq_t *bn
mem_alnreg_v *regs;
mem_pestat_t pes[4];
double ctime, rtime;
int i;
ctime = cputime(); rtime = realtime();
global_bns = bns;
@ -1169,7 +1173,13 @@ void mem_process_seqs(const mem_opt_t *opt, const bwt_t *bwt, const bntseq_t *bn
w.opt = opt; w.bwt = bwt; w.bns = bns; w.pac = pac;
w.seqs = seqs; w.regs = regs; w.n_processed = n_processed;
w.pes = &pes[0];
w.aux = malloc(opt->n_threads * sizeof(smem_aux_t));
for (i = 0; i < opt->n_threads; ++i)
w.aux[i] = smem_aux_init();
kt_for(opt->n_threads, worker1, &w, (opt->flag&MEM_F_PE)? n>>1 : n); // find mapping positions
for (i = 0; i < opt->n_threads; ++i)
smem_aux_destroy(w.aux[i]);
free(w.aux);
if (opt->flag&MEM_F_PE) { // infer insert sizes if not provided
if (pes0) memcpy(pes, pes0, 4 * sizeof(mem_pestat_t)); // if pes0 != NULL, set the insert-size distribution as pes0
else mem_pestat(opt, bns->l_pac, n, regs, pes); // otherwise, infer the insert size distribution from data

4
bwamem_extra.c
View File

@ -68,13 +68,13 @@ const bwtintv_v *smem_next(smem_i *itr)
mem_alnreg_v mem_align1(const mem_opt_t *opt, const bwt_t *bwt, const bntseq_t *bns, const uint8_t *pac, int l_seq, const char *seq_)
{ // the difference from mem_align1_core() is that this routine: 1) calls mem_mark_primary_se(); 2) does not modify the input sequence
extern mem_alnreg_v mem_align1_core(const mem_opt_t *opt, const bwt_t *bwt, const bntseq_t *bns, const uint8_t *pac, int l_seq, char *seq);
extern mem_alnreg_v mem_align1_core(const mem_opt_t *opt, const bwt_t *bwt, const bntseq_t *bns, const uint8_t *pac, int l_seq, char *seq, void *buf);
extern void mem_mark_primary_se(const mem_opt_t *opt, int n, mem_alnreg_t *a, int64_t id);
mem_alnreg_v ar;
char *seq;
seq = malloc(l_seq);
memcpy(seq, seq_, l_seq); // makes a copy of seq_
ar = mem_align1_core(opt, bwt, bns, pac, l_seq, seq);
ar = mem_align1_core(opt, bwt, bns, pac, l_seq, seq, 0);
mem_mark_primary_se(opt, ar.n, ar.a, lrand48());
free(seq);
return ar;

2
main.c
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@ -4,7 +4,7 @@
#include "utils.h"
#ifndef PACKAGE_VERSION
#define PACKAGE_VERSION "0.7.8-r770-dirty"
#define PACKAGE_VERSION "0.7.8-r778-dirty"
#endif
int bwa_fa2pac(int argc, char *argv[]);