math/rand: 172 second tests on arm5 #10749
Description
I just noticed on Scaleway, go test -short math/rand takes 172 seconds:
ok math/rand 172.490s
Figure out why.
The rest:
##### Testing packages.
ok archive/tar 0.045s
ok archive/zip 4.563s
ok bufio 0.517s
ok bytes 0.799s
ok compress/bzip2 0.337s
ok compress/flate 3.081s
ok compress/gzip 0.038s
ok compress/lzw 0.466s
ok compress/zlib 6.332s
ok container/heap 0.018s
ok container/list 0.016s
ok container/ring 0.057s
? crypto [no test files]
ok crypto/aes 0.103s
ok crypto/cipher 0.027s
ok crypto/des 0.080s
ok crypto/dsa 0.053s
ok crypto/ecdsa 0.353s
ok crypto/elliptic 0.284s
ok crypto/hmac 0.025s
ok crypto/md5 0.027s
ok crypto/rand 0.086s
ok crypto/rc4 0.650s
ok crypto/rsa 1.498s
ok crypto/sha1 0.019s
ok crypto/sha256 0.022s
ok crypto/sha512 0.027s
ok crypto/subtle 0.039s
ok crypto/tls 11.691s
ok crypto/x509 10.017s
? crypto/x509/pkix [no test files]
ok database/sql 0.237s
ok database/sql/driver 0.015s
ok debug/dwarf 0.054s
ok debug/elf 0.094s
ok debug/gosym 0.015s
ok debug/macho 0.031s
ok debug/pe 0.081s
ok debug/plan9obj 0.019s
? encoding [no test files]
ok encoding/ascii85 0.024s
ok encoding/asn1 0.030s
ok encoding/base32 0.021s
ok encoding/base64 0.021s
ok encoding/binary 0.021s
ok encoding/csv 0.020s
ok encoding/gob 0.463s
ok encoding/hex 0.018s
ok encoding/json 1.429s
ok encoding/pem 0.021s
ok encoding/xml 0.070s
ok errors 0.017s
ok expvar 0.026s
ok flag 0.021s
ok fmt 0.335s
ok go/ast 0.030s
ok go/build 0.889s
ok go/constants 0.025s
ok go/doc 0.328s
ok go/format 0.051s
? go/importer [no test files]
ok go/internal/gcimporter 3.826s
ok go/parser 0.195s
ok go/printer 2.101s
ok go/scanner 0.027s
ok go/token 0.206s
ok go/types 11.842s
? hash [no test files]
ok hash/adler32 0.041s
ok hash/crc32 0.016s
ok hash/crc64 0.015s
ok hash/fnv 0.015s
ok html 0.035s
ok html/template 0.256s
ok image 1.134s
ok image/color 0.598s
? image/color/palette [no test files]
ok image/draw 0.629s
ok image/gif 0.417s
? image/internal/imageutil [no test files]
ok image/jpeg 17.743s
ok image/png 0.278s
ok index/suffixarray 0.052s
? internal/format [no test files]
? internal/mime [no test files]
ok internal/singleflight 0.116s
? internal/syscall/unix [no test files]
? internal/trace [no test files]
ok io 0.038s
ok io/ioutil 0.024s
ok log 0.038s
ok log/syslog 2.099s
ok math 0.592s
ok math/big 11.767s
ok math/cmplx 0.074s
ok math/rand 172.490s
ok mime 0.061s
ok mime/multipart 0.490s
ok mime/quotedprintable 1.067s
ok net 2.845s
ok net/http 11.935s
ok net/http/cgi 1.138s
ok net/http/cookiejar 0.045s
ok net/http/fcgi 0.035s
ok net/http/httptest 0.027s
ok net/http/httputil 0.062s
ok net/http/internal 0.033s
? net/http/pprof [no test files]
ok net/internal/socktest 0.016s
ok net/mail 0.022s
ok net/rpc 0.093s
ok net/rpc/jsonrpc 0.054s
ok net/smtp 0.204s
ok net/textproto 0.052s
ok net/url 0.034s
ok os 0.447s
ok os/exec 0.697s
ok os/signal 3.451s
ok os/user 0.019s
ok path 0.017s
ok path/filepath 0.125s
ok reflect 0.591s
ok regexp 1.017s
ok regexp/syntax 2.506s
ok runtime 150.688s
? runtime/cgo [no test files]
ok runtime/debug 0.044s
ok runtime/pprof 9.510s
? runtime/race [no test files]
ok sort 0.401s
ok strconv 2.668s
ok strings 0.880s
ok sync 0.535s
ok sync/atomic 4.420s
ok syscall 0.080s
ok testing 1.455s
? testing/iotest [no test files]
ok testing/quick 0.275s
ok text/scanner 0.026s
ok text/tabwriter 0.036s
ok text/template 0.181s
ok text/template/parse 0.053s
ok time 4.096s
ok unicode 0.039s
ok unicode/utf16 0.015s
ok unicode/utf8 0.029s
? unsafe [no test files]
? cmd/5g [no test files]
? cmd/5l [no test files]
? cmd/6g [no test files]
? cmd/6l [no test files]
? cmd/7g [no test files]
? cmd/7l [no test files]
? cmd/8g [no test files]
? cmd/8l [no test files]
? cmd/9g [no test files]
? cmd/9l [no test files]
ok cmd/addr2line 9.595s
ok cmd/api 0.052s
? cmd/asm [no test files]
? cmd/asm/internal/arch [no test files]
ok cmd/asm/internal/asm 0.147s
? cmd/asm/internal/flags [no test files]
ok cmd/asm/internal/lex 0.017s
? cmd/cgo [no test files]
ok cmd/cover 18.654s
? cmd/dist [no test files]
? cmd/doc [no test files]
ok cmd/fix 0.084s
ok cmd/go 0.083s
ok cmd/gofmt 0.265s
? cmd/internal/asm [no test files]
? cmd/internal/gc [no test files]
ok cmd/internal/gc/big 10.154s
ok cmd/internal/goobj 0.015s
? cmd/internal/ld [no test files]
ok cmd/internal/obj 0.021s
? cmd/internal/obj/arm [no test files]
? cmd/internal/obj/arm64 [no test files]
? cmd/internal/obj/ppc64 [no test files]
ok cmd/internal/obj/x86 0.203s
? cmd/internal/objfile [no test files]
ok cmd/internal/rsc.io/arm/armasm 0.046s
ok cmd/internal/rsc.io/x86/x86asm 1.327s
ok cmd/link 0.112s
ok cmd/nm 9.056s
ok cmd/objdump 28.396s
? cmd/old5a [no test files]
? cmd/old6a [no test files]
? cmd/old8a [no test files]
? cmd/old9a [no test files]
ok cmd/pack 19.998s
? cmd/pprof [no test files]
? cmd/pprof/internal/commands [no test files]
? cmd/pprof/internal/driver [no test files]
? cmd/pprof/internal/fetch [no test files]
? cmd/pprof/internal/plugin [no test files]
ok cmd/pprof/internal/profile 0.032s
? cmd/pprof/internal/report [no test files]
? cmd/pprof/internal/svg [no test files]
? cmd/pprof/internal/symbolizer [no test files]
? cmd/pprof/internal/symbolz [no test files]
? cmd/pprof/internal/tempfile [no test files]
? cmd/trace [no test files]
? cmd/yacc [no test files]
##### GOMAXPROCS=2 runtime -cpu=1,2,4
ok runtime 393.990s
##### sync -cpu=10
ok sync 0.548s
/cc @davecheney