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SandForce 1222 SSD Testing, Part 3: Detailed Throughput Analysis

Our last two articles have presented an initial performance examination of a consumer SandForce based SSD from a throughput and IOPS perspective. In this article we dive deeper into the throughput performance of the drive, along with a comparison to an Intel X-25E SSD. I think you will be surprised at what is discovered.

Table of Results

Table 1 – IOzone Write Performance Results with Record Lengths of 64KB, 1MB, 4MB, 8MB, 16MB, a File Size of 16GB, for data compression levels of 98%, 75%, 50%, 25%, 2% and Random, for the SandForce SSD

Record Size Compression Level Write
KB/s
Re-write
(KB/s)
Random write
(KB/s)
Record re-write
(KB/s)
fwrite
(KB/s)
frewrite
(KB/s)
64KB 98% 268,241.40
1,850.26
267,567.60
1,524.02
254,054.40
11,283.59
1,188,804.00
32,258.19
267,591.90
1,231.91
267,123.20
1,717.83
64KB 75% 197,367.50
5,969.30
202,677.00
823.85
175,943.10
5,517.43
1,701,850.40
33,734.29
199,242.00
2,001.98
202,923.20
712.38
64KB 50% 125,293.20
3,784.80
129,923.10
1,261.10
120,248.30
1,056.76
1,977,138.30
29,848.96
127,601.90
955.65
129,982.20
617.14
64KB 25% 101,741.70
1,303.18
103,683.60
471.49
94,974.60
1,441.16
2,077,108.40
50,138.33
102,382.10
1,279.36
102,333.80
752.84
64KB 2% 96,375.70
1,079.96
96,115.30
657.23
89,666.60
617.13
2,028,102.10
20,725.39
96,353.10
709.89
96,442.60
415.59
64KB RANDOM 106,373.00
892.13
106,900.30
758.76
98,163.60
1,078.91
1,898,636.40
16,109.82
106,260.90
1,345.00
106,838.10
881.93
1MB 98% 259,867.10
2,171.51
262,817.50
1,743.29
244,743.90
6,371.23
948,460.10
11,189.61
260,159.60
3,557.95
262,224.60
1,813.98
1MB 75% 187,433.40
1,856.82
184,701.80
627.72
172,725.30
1,993.52
1,152,105.60
66,477.97
184,268.60
2,404.70
183,369.10
2,509.96
1MB 50% 128,515.40
536.45
127,350.30
417.34
122,132.30
571.78
1,239,838.00
166,747.94
127,065.50
564.13
127,008.10
304.20
1MB 25% 104,665.20
1,219.83
104,043.70
1,157.85
98,905.00
832.65
1,241,770.70
196,580.53
103,990.00
649.17
103,795.30
521.03
1MB 2% 97,113.50
714.89
95,722.80
566.02
92,947.20
398.16
1,145,650.00
158,578.20
97,433.20
471.03
95,591.70
607.85
1MB RANDOM 106,706.70
5,860.89
107,277.80
1,526.75
101,696.30
1,279.05
1,601,712.00
15,356.99
105,597.50
6,142.30
106,692.40
2,516.45
4MB 98% 259,636.00
2,728.74
264,365.50
269.71
261,707.50
2,117.05
489,360.30
8,104.71
260,444.30
978.48
263,937.70
254.59
4MB 75% 177,126.90
558.60
175,735.40
532.16
171,298.10
2,834.48
639,128.90
17,652.64
175,828.80
1,253.80
175,616.20
451.10
4MB 50% 128,393.70
600.43
126,700.10
370.99
123,144.50
322.77
712,719.60
36,587.07
127,829.80
271.55
126,814.40
300.05
4MB 25% 103,811.10
2,094.21
103,409.40
1,890.50
99,495.40
2,135.02
785,890.90
15,605.82
103,411.90
1,764.79
103,116.30
2,046.89
4MB 2% 97,854.40
518.36
96,097.20
533.78
94,784.10
401.31
749,340.20
47,241.34
97,312.00
252.30
95,834.60
644.65
4MB RANDOM 107,027.40
6,977.03
107,037.60
1,086.59
103,921.80
1,006.83
1,191,049.70
27,448.34
104,879.00
5,549.36
107,038.60
1,091.93
8MB 98% 201,489.20
12,229.54
197,260.70
3,970.43
196,540.40
3,622.31
409,745.50
3,922.39
183,740.30
2,273.47
174,528.60
3,744.94
8MB 75% 177,619.40
778.84
176,656.80
326.39
172,606.90
1,587.07
563,063.20
6,499.36
174,758.20
2,995.96
176,358.80
388.51
8MB 50% 127,852.10
958.25
124,798.20
293.28
124,091.80
286.48
628,919.00
9,863.72
127,133.10
218.17
125,422.00
270.45
8MB 25% 104,450.20
741.11
103,409.10
322.82
101,945.90
368.59
650,361.90
13,306.57
104,348.00
399.69
103,351.00
496.14
8MB 2% 98,210.40
361.46
96,794.00
261.64
95,664.20
499.35
643,606.90
13,846.12
97,900.80
420.16
95,982.70
678.45
8MB RANDOM 108,885.40
540.22
106,895.80
852.02
104,700.00
1,095.61
967,027.90
11,032.24
107,289.60
1,324.91
106,844.40
474.47
16MB 98% 187,376.40
6,958.66
195,595.00
7,832.15
194,275.40
7,946.40
407,065.80
2,177.07
194,850.80
8,216.42
197,457.20
894.33
16MB 75% 174,982.30
549.90
173,841.10
595.57
171,068.50
2,112.54
525,880.80
7,080.74
172,859.80
2,742.31
173,994.30
1,215.34
16MB 50% 124,351.20
347.16
122,095.40
478.86
122,003.30
335.14
632,384.30
9,178.37
124,090.10
281.70
122,070.20
275.40
16MB 25% 105,463.50
374.16
103,521.40
316.18
102,265.70
204.63
646,364.00
7,962.89
104,760.30
281.87
103,353.20
429.38
16MB 2% 98,061.10
568.82
96,510.70
502.18
95,636.40
291.37
647,510.20
5,972.83
97,745.10
748.70
95,864.40
808.44
16MB RANDOM 108,415.80
529.55
106,792.10
414.62
104,584.60
976.30
959,017.10
10,800.81
107,223.20
1,188.33
106,456.40
375.75

Table 2 – IOzone Write Performance Results with Record Lengths of 64KB, 1MB, 4MB, 8MB, 16MB, a File Size of 16GB, for data compression levels of 98%, 75%, 50%, 25%, 2% and Random, for the Intel SSD

Record Size Compression Level Write
KB/s
Re-write
(KB/s)
Random write
(KB/s)
Record re-write
(KB/s)
fwrite
(KB/s)
frewrite
(KB/s)
64KB 98% 214,180.10
1,260.08
213,058.30
228.73
185,001.00
14,639.92
1,187,815.40
19,164.83
216,329.30
765.49
213,096.20
218.00
64KB 75% 214,130.80
1,262.27
212,816.40
238.24
184,186.90
13,561.59
1,724,914.00
7,379.88
215,663.30
1,008.68
212,623.20
207.06
64KB 50% 214,181.30
1,314.85
213,081.10
245.04
184,767.70
13,696.31
1,975,675.60
37,671.70
215,935.90
1,015.78
212,962.70
177.59
64KB 25% 214,329.40
1,281.34
213,136.90
372.91
186,128.50
13,633.13
2,110,232.80
19,163.98
216,195.60
691.69
212,887.30
286.42
64KB 2% 214,591.30
1,134.03
213,293.00
280.55
185,726.80
13,959.12
2,025,399.10
47,803.44
216,052.90
692.63
213,064.60
294.63
64KB RANDOM 214,219.90
1,167.20
213,090.10
233.25
186,152.50
13,517.56
1,909,552.30
30,831.40
216,137.20
1,059.55
213,083.70
234.72
1MB 98% 210,486.80
2,898.01
213,718.80
349.42
153,399.50
22,797.27
947,666.50
7,002.42
214,702.80
411.12
213,429.10
268.29
1MB 75% 210,054.90
2,677.93
213,072.60
215.18
157,664.90
28,496.63
1,103,144.50
19,226.83
214,147.50
457.20
212,681.10
181.59
1MB 50% 209,692.90
2,708.45
213,366.00
382.02
161,561.10
29,057.67
1,130,421.70
10,065.30
214,576.00
671.94
213,019.60
298.98
1MB 25% 209,240.60
2,422.70
213,285.10
350.42
160,743.00
29,061.84
1,124,619.90
57,136.22
214,786.10
745.59
213,092.20
313.15
1MB 2% 210,951.50
2,613.68
213,604.00
300.60
160,740.50
29,129.58
1,076,415.90
58,017.87
214,686.00
596.52
213,417.40
273.52
1MB RANDOM 211,631.50
2,662.92
214,028.50
116.09
160,335.00
29,577.22
1,596,107.40
19,627.02
215,474.20
526.80
213,833.40
244.72
4MB 98% 211,034.10
630.03
212,394.60
252.43
212,982.80
1,393.45
482,571.50
15,031.09
213,990.00
2,519.59
212,015.60
215.83
4MB 75% 211,067.60
894.88
212,039.40
159.06
212,680.60
1,227.67
640,720.80
16,808.26
215,098.30
755.75
211,818.00
248.05
4MB 50% 211,379.60
239.10
212,731.30
320.66
212,782.20
1,197.76
725,244.60
18,221.90
214,861.90
914.77
212,129.70
204.23
4MB 25% 211,739.50
712.79
212,631.00
231.85
213,502.40
980.15
764,098.70
35,387.27
215,007.70
1,097.42
212,202.60
321.04
4MB 2% 212,043.80
617.14
213,134.00
328.27
213,304.30
787.76
767,416.70
30,540.53
215,523.70
1,023.72
212,563.10
235.63
4MB RANDOM 212,853.10
776.07
213,891.60
260.34
214,549.70
919.84
1,183,508.10
33,207.12
216,658.10
1,106.41
213,493.80
271.09
8MB 98% 212,767.70
2,158.88
210,307.10
1,793.39
182,527.90
18,163.77
408,508.10
2,676.75
212,121.00
351.48
211,276.60
222.02
8MB 75% 213,630.00
1,900.99
210,915.60
1,507.92
182,034.50
15,814.60
565,240.50
10,112.94
213,120.60
356.10
211,529.30
228.04
8MB 50% 213,358.10
2,759.36
211,687.90
1,708.49
183,229.50
18,253.25
633,756.20
12,231.17
213,867.60
327.32
212,146.70
230.23
8MB 25% 213,414.00
1,827.69
211,645.20
1,082.55
183,923.10
17,887.93
655,681.20
10,479.82
213,861.50
274.15
212,271.40
141.76
8MB 2% 213,951.00
1,777.10
211,870.40
1,019.55
183,335.80
17,675.88
648,103.90
8,248.12
213,735.60
344.53
212,152.00
281.98
8MB RANDOM 215,290.80
2,074.64
213,059.30
1,230.55
184,840.10
18,377.91
964,418.80
15,242.56
215,042.10
573.78
213,375.30
230.22
16MB 98% 209,750.80
459.43
211,605.50
235.15
207,658.80
2,305.60
404,851.00
3,140.45
212,572.50
591.55
210,994.50
1,341.56
16MB 75% 209,925.10
438.93
211,328.50
204.37
209,113.30
1,251.86
523,440.10
4,035.86
212,851.10
214.61
210,602.80
1,549.94
16MB 50% 210,713.00
254.81
212,474.00
232.39
210,590.00
824.45
629,740.20
6,040.03
213,861.10
355.70
212,219.40
129.68
16MB 25% 210,962.40
433.32
212,308.50
278.55
209,895.20
1,497.10
647,782.50
7,070.84
213,874.20
343.27
211,419.30
1,567.68
16MB 2% 210,796.10
267.79
212,244.30
219.92
210,807.90
824.81
647,034.90
7,337.53
213,980.60
443.45
211,836.40
1,277.40
16MB RANDOM 212,212.90
634.46
213,490.40
261.70
211,943.20
523.98
961,437.80
12,323.92
215,379.70
308.45
213,184.10
1,192.06

Table 3 – IOzone Read Performance Results with Record Lengths of 64KB, 1MB, 4MB, 8MB, 16MB, a File Size of 16GB, for data compression levels of 98%, 75%, 50%, 25%, 2% and Random, for the SandForce SSD

Record Size Compression Level Read
KB/s
Re-read
(KB/s)
Random read
(KB/s)
Backwards Read
(KB/s)
Strided Read
(KB/s)
fread
(KB/s)
freread
(KB/s)
64KB 98% 237,017.80
220.10
237,329.80
479.60
140,353.20
577.37
178,170.90
805.74
241,270.00
710.14
238,962.50
357.49
239,313.90
302.57
64KB 75% 220,579.10
385.50
224,553.60
2,174.48
141,367.30
384.93
171,833.20
12,878.63
241,551.00
415.73
220,757.30
183.09
227,526.70
3,083.54
64KB 50% 209,392.00
267.83
216,253.90
2,677.83
134,109.10
267.62
166,194.30
8,757.22
226,955.40
393.99
207,167.00
266.32
213,043.30
2,327.43
64KB 25% 197,719.50
393.21
202,498.90
2,747.32
127,528.30
324.90
154,129.10
8,583.53
215,477.70
261.35
197,194.70
617.57
202,775.50
1,957.56
64KB 2% 193,680.40
3,143.72
195,011.90
1,356.43
122,863.40
212.71
147,971.90
8,228.12
209,425.50
398.47
193,856.00
1,740.51
197,807.60
1,342.22
64KB RANDOM 199,802.30
2,690.12
203,424.40
2,164.99
124,667.90
197.50
149,556.30
9,589.81
211,897.70
548.91
199,172.30
255.54
204,046.80
1,990.98
1MB 98% 225,305.40
283.13
225,667.40
233.51
223,668.40
218.00
232,015.00
6,192.70
264,430.40
5,914.27
228,108.20
314.12
228,383.50
379.56
64KB 75% 218,013.00
314.65
221,089.50
2,116.99
219,175.80
210.72
232,715.60
6,628.31
261,964.10
392.21
217,987.60
238.64
219,422.80
659.07
64KB 50% 201,998.30
424.63
206,083.00
2,549.03
210,945.20
389.44
228,791.10
7,758.11
248,220.90
978.86
203,992.90
392.78
210,033.70
2,289.53
64KB 25% 195,904.70
461.43
202,308.70
2,461.13
207,000.30
166.38
230,100.10
7,840.96
244,800.80
567.16
196,646.50
301.13
200,269.90
2,420.30
64KB 2% 191,991.90
343.68
194,613.60
1,439.24
202,468.70
314.51
218,469.80
9,212.95
236,463.90
6,478.07
193,270.60
65.82
196,985.20
2,002.70
64KB RANDOM 200,169.80
210.24
205,365.90
3,102.93
205,865.20
327.88
216,911.20
9,890.33
243,196.70
396.38
201,495.80
1,862.35
204,289.60
2,178.79
4MB 98% 185,799.20
423.91
186,003.20
361.39
196,870.50
429.48
212,707.60
551.01
220,705.40
349.02
187,464.20
442.95
187,539.90
400.72
64KB 75% 199,391.60
481.74
200,179.50
868.88
214,184.30
423.83
235,635.10
343.24
245,887.10
523.32
200,433.10
277.28
202,730.80
1,377.94
64KB 50% 200,175.80
459.95
206,240.60
1,976.66
216,113.40
394.19
237,721.20
357.59
250,362.10
372.87
200,846.10
383.22
206,416.50
1,603.72
64KB 25% 193,088.10
6,596.15
196,515.30
5,649.82
211,758.20
7,109.22
234,734.80
9,416.57
243,010.00
9,708.83
193,245.50
6,177.51
196,797.10
3,874.02
64KB 2% 191,830.20
1,758.21
194,658.60
1,783.40
210,661.20
305.67
234,742.40
351.94
243,068.80
270.37
192,249.70
171.66
196,327.50
2,192.34
64KB RANDOM 194,987.30
708.10
198,288.20
1,915.98
211,817.60
732.48
230,767.80
808.75
243,390.30
333.70
195,335.60
1,325.26
200,977.70
1,738.44
8MB 98% 160,866.10
520.14
161,000.70
417.90
171,786.30
304.68
183,403.80
535.14
188,468.50
413.47
161,329.20
377.99
161,882.50
800.58
64KB 75% 188,305.60
345.48
189,453.70
855.69
206,281.30
560.09
222,249.40
549.12
229,084.90
572.07
189,294.60
204.90
189,769.60
434.60
64KB 50% 193,086.90
333.32
196,348.20
1,547.30
213,035.20
393.54
231,573.20
695.19
239,764.00
325.63
193,815.90
219.56
196,757.30
1,482.88
64KB 25% 193,426.90
293.88
195,430.80
727.64
215,124.90
496.17
235,967.20
748.93
243,390.90
238.58
193,895.70
236.87
196,671.20
1,974.99
64KB 2% 191,435.30
504.29
196,460.60
2,893.69
213,129.20
697.81
234,906.50
1,113.44
241,374.50
626.20
192,102.20
301.99
195,679.20
1,853.89
64KB RANDOM 189,343.10
320.25
194,229.90
2,124.30
209,851.30
369.28
227,181.50
1,159.10
235,305.30
519.39
189,577.50
949.88
193,302.30
1,935.62
16MB 98% 159,808.40
339.51
160,472.20
1,063.99
173,767.70
1,012.49
183,805.00
963.68
187,585.80
979.71
160,328.00
400.17
161,214.00
633.01
64KB 75% 182,348.10
420.55
182,805.40
479.72
201,150.20
533.41
214,573.70
846.35
220,466.90
867.24
183,383.10
420.81
184,213.50
708.07
64KB 50% 191,471.70
233.81
193,507.50
915.14
215,259.20
750.50
231,099.70
695.34
238,846.20
1,167.24
192,547.10
276.09
194,873.40
1,422.80
64KB 25% 192,240.00
179.32
194,727.50
1,965.98
217,643.00
702.68
235,200.70
941.89
243,770.50
1,310.46
193,304.50
285.22
197,278.70
2,005.39
64KB 2% 191,272.80
307.70
195,085.40
1,779.85
216,352.30
890.78
234,983.00
1,165.65
241,631.10
909.58
192,134.80
212.47
195,671.60
1,433.44
64KB RANDOM 186,732.90
182.70
189,410.60
1,613.33
209,740.00
899.41
224,189.40
1,869.92
232,274.70
1,330.71
187,123.30
941.62
190,450.70
1,876.05

Table 4 – IOzone Read Performance Results with Record Lengths of 64KB, 1MB, 4MB, 8MB, 16MB, a File Size of 16GB, for data compression levels of 98%, 75%, 50%, 25%, 2% and Random, for the Intel SSD

Record Size Compression Level Read
KB/s
Re-read
(KB/s)
Random read
(KB/s)
Backwards Read
(KB/s)
Strided Read
(KB/s)
fread
(KB/s)
freread
(KB/s)
64KB 98% 251,938.70
210.16
252,147.60
196.49
133,569.80
210.91
162,370.20
496.83
220,218.00
529.43
251,965.80
186.43
252,142.50
149.05
64KB 75% 252,109.70
169.58
252,295.60
113.15
139,162.20
167.28
171,265.40
260.85
230,505.90
492.82
252,110.40
166.99
252,240.80
205.14
64KB 50% 252,037.50
227.54
252,179.40
222.65
141,856.40
89.29
175,634.40
210.77
235,102.90
513.82
252,092.90
161.39
252,202.60
125.20
64KB 25% 252,033.90
227.63
252,310.10
146.03
143,120.20
143.67
177,766.70
248.42
237,700.60
406.79
252,067.20
128.65
252,191.30
88.91
64KB 2% 252,097.60
131.40
252,177.90
162.96
143,606.40
70.23
178,390.10
258.69
238,350.90
406.28
252,079.60
171.50
252,155.50
170.60
64KB RANDOM 252,158.60
163.15
252,221.50
152.79
138,861.90
88.09
169,799.60
180.86
231,210.70
731.41
252,119.80
126.10
252,173.10
144.13
1MB 98% 236,031.70
517.77
236,197.70
465.86
183,975.30
349.30
195,244.80
462.80
226,130.60
371.78
236,193.60
170.70
236,404.30
234.76
1MB 75% 252,002.40
217.76
252,016.50
319.89
193,200.10
227.45
209,849.40
309.91
236,410.40
276.37
252,038.70
154.30
252,112.00
232.72
1MB 50% 252,188.10
250.75
252,275.60
174.75
197,004.90
159.05
219,952.70
308.77
238,155.40
142.65
252,275.90
120.15
252,323.20
214.19
1MB 25% 252,247.90
264.85
252,276.70
208.58
198,103.30
162.03
223,134.90
315.00
240,869.50
289.23
252,371.40
177.87
252,411.40
147.61
1MB 2% 252,361.80
113.04
252,483.70
186.21
198,222.80
82.51
223,596.70
304.82
241,563.20
343.38
252,331.20
288.54
252,337.90
191.45
1MB RANDOM 252,233.20
230.54
252,425.20
229.55
194,828.00
106.51
214,142.20
423.93
235,561.80
215.22
252,168.00
238.70
252,430.20
127.01
4MB 98% 194,126.00
337.53
194,349.00
357.63
192,783.20
400.37
206,497.80
583.67
217,381.30
489.78
194,141.80
232.28
194,312.50
332.10
4MB 75% 231,254.30
312.95
231,506.40
399.98
229,262.00
582.90
248,911.50
528.57
264,408.50
644.61
231,188.20
406.29
231,366.40
282.89
4MB 50% 249,555.70
211.18
249,675.90
200.19
247,646.80
162.21
271,313.80
414.69
288,984.40
279.80
249,408.60
281.54
249,639.40
184.02
4MB 25% 252,058.10
206.86
252,041.00
200.04
251,325.70
269.81
279,713.80
261.35
291,291.70
192.97
252,046.80
147.49
252,055.10
145.67
4MB 2% 252,103.20
232.40
252,246.70
134.94
251,961.40
216.01
281,061.40
244.70
292,600.80
261.08
251,939.80
129.72
252,251.40
211.59
4MB RANDOM 242,898.00
138.60
242,831.90
186.57
241,463.50
220.39
263,585.20
252.48
280,559.20
264.17
242,701.30
226.26
242,877.70
189.10
8MB 98% 176,235.20
388.27
176,179.90
430.10
181,696.70
406.53
192,503.20
486.48
198,440.30
180.99
176,102.80
235.54
176,157.30
238.79
8MB 75% 215,550.80
185.86
215,590.20
359.96
223,812.70
337.65
240,815.90
336.41
250,380.10
424.63
215,456.70
215.98
215,601.90
161.32
8MB 50% 239,332.00
206.25
239,326.90
215.88
249,876.90
256.97
271,162.00
260.24
283,015.80
249.75
239,210.00
261.03
239,061.00
254.23
8MB 25% 251,576.90
144.95
251,590.70
173.70
262,731.50
144.06
286,613.10
238.66
298,982.10
210.00
251,545.80
144.37
251,493.00
154.20
8MB 2% 252,018.30
192.04
252,004.80
250.56
264,311.50
303.90
290,446.10
226.06
299,941.80
221.53
252,179.80
188.62
251,962.70
195.14
8MB RANDOM 236,511.10
209.71
236,611.20
129.04
246,637.10
267.44
267,329.70
356.92
278,853.00
318.45
236,346.20
289.11
236,388.00
162.01
16MB 98% 174,985.70
250.96
175,165.00
196.82
184,350.80
156.10
194,780.10
328.22
198,734.90
244.15
175,283.20
311.05
175,315.70
319.16
16MB 75% 207,911.70
153.57
207,957.60
116.53
220,812.60
172.21
235,606.30
363.31
241,714.60
232.74
207,873.10
113.63
207,890.10
143.30
16MB 50% 237,437.90
110.94
237,317.50
211.53
254,863.90
232.73
274,976.30
352.70
283,275.90
327.95
237,292.60
282.52
237,370.80
229.33
16MB 25% 249,892.80
160.82
249,974.30
142.28
269,431.40
190.42
291,975.20
563.57
300,989.90
224.99
249,880.80
182.44
249,779.10
145.30
16MB 2% 252,130.50
194.21
251,989.60
169.38
272,262.40
192.45
296,332.90
520.48
303,781.10
334.93
252,125.50
125.53
252,008.70
223.90
16MB RANDOM 233,174.70
215.52
233,091.70
255.29
249,922.30
207.52
269,260.20
329.24
276,761.90
347.32
233,148.60
138.37
233,126.60
148.07

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