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Merge branch 'jc/cat-file-batch-default-format-optim'
Optimize away strbuf_expand() call with a hardcoded formatting logic specific for the default format in the --batch and --batch-check options of "git cat-file". * jc/cat-file-batch-default-format-optim: cat-file: skip expanding default format
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commit
889860e1ad
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@ -360,6 +360,13 @@ static void print_object_or_die(struct batch_options *opt, struct expand_data *d
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}
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}
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static void print_default_format(struct strbuf *scratch, struct expand_data *data)
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{
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strbuf_addf(scratch, "%s %s %"PRIuMAX"\n", oid_to_hex(&data->oid),
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type_name(data->type),
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(uintmax_t)data->size);
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}
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/*
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* If "pack" is non-NULL, then "offset" is the byte offset within the pack from
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* which the object may be accessed (though note that we may also rely on
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@ -391,8 +398,14 @@ static void batch_object_write(const char *obj_name,
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}
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strbuf_reset(scratch);
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if (!opt->format) {
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print_default_format(scratch, data);
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} else {
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strbuf_expand(scratch, opt->format, expand_format, data);
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strbuf_addch(scratch, '\n');
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}
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batch_write(opt, scratch->buf, scratch->len);
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if (opt->batch_mode == BATCH_MODE_CONTENTS) {
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@ -646,6 +659,8 @@ static void batch_objects_command(struct batch_options *opt,
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strbuf_release(&input);
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}
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#define DEFAULT_FORMAT "%(objectname) %(objecttype) %(objectsize)"
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static int batch_objects(struct batch_options *opt)
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{
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struct strbuf input = STRBUF_INIT;
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@ -654,9 +669,6 @@ static int batch_objects(struct batch_options *opt)
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int save_warning;
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int retval = 0;
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if (!opt->format)
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opt->format = "%(objectname) %(objecttype) %(objectsize)";
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/*
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* Expand once with our special mark_query flag, which will prime the
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* object_info to be handed to oid_object_info_extended for each
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@ -664,12 +676,17 @@ static int batch_objects(struct batch_options *opt)
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*/
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memset(&data, 0, sizeof(data));
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data.mark_query = 1;
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strbuf_expand(&output, opt->format, expand_format, &data);
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strbuf_expand(&output,
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opt->format ? opt->format : DEFAULT_FORMAT,
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expand_format,
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&data);
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data.mark_query = 0;
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strbuf_release(&output);
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if (opt->transform_mode)
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data.split_on_whitespace = 1;
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if (opt->format && !strcmp(opt->format, DEFAULT_FORMAT))
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opt->format = NULL;
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/*
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* If we are printing out the object, then always fill in the type,
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* since we will want to decide whether or not to stream.
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12
t/perf/p1006-cat-file.sh
Executable file
12
t/perf/p1006-cat-file.sh
Executable file
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@ -0,0 +1,12 @@
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#!/bin/sh
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test_description='Tests listing object info performance'
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. ./perf-lib.sh
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test_perf_large_repo
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test_perf 'cat-file --batch-check' '
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git cat-file --batch-all-objects --batch-check
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'
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test_done
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