Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 192,463
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     196,243
Calibration 2     193,640
Calibration 3     193,157
ssj_ops@calibrated=193,398
100% 99.5% 193,398 192,463
90% 90.0% 174,058 174,075
80% 79.9% 154,719 154,514
70% 69.4% 135,379 134,144
60% 60.2% 116,039 116,441
50% 50.1% 96,699 96,940
40% 39.9% 77,359 77,158
30% 30.0% 58,019 57,950
20% 20.0% 38,680 38,693
10% 10.0% 19,340 19,388
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,275,640 1,494
Payment 14,275,646
Order Status 1,427,564
Delivery 1,427,566
Stock Level 1,427,565
Customer Report 14,275,638
Calibration 2 New Order 14,083,402 1,494
Payment 14,083,400
Order Status 1,408,341
Delivery 1,408,341
Stock Level 1,408,340
Customer Report 14,083,400
Calibration 3 New Order 14,049,349 1,494
Payment 14,049,348
Order Status 1,404,933
Delivery 1,404,936
Stock Level 1,404,935
Customer Report 14,049,343
100% 99.5% New Order 13,998,085 1,494
Payment 13,998,081
Order Status 1,399,809
Delivery 1,399,808
Stock Level 1,399,807
Customer Report 13,998,085
90% 90.0% New Order 12,661,339 1,494
Payment 12,661,333
Order Status 1,266,133
Delivery 1,266,134
Stock Level 1,266,134
Customer Report 12,661,335
80% 79.9% New Order 11,237,434 1,494
Payment 11,237,427
Order Status 1,123,743
Delivery 1,123,743
Stock Level 1,123,743
Customer Report 11,237,434
70% 69.4% New Order 9,756,337 1,494
Payment 9,756,335
Order Status 975,635
Delivery 975,635
Stock Level 975,633
Customer Report 9,756,336
60% 60.2% New Order 8,468,935 1,494
Payment 8,468,927
Order Status 846,894
Delivery 846,893
Stock Level 846,893
Customer Report 8,468,930
50% 50.1% New Order 7,050,209 1,494
Payment 7,050,206
Order Status 705,021
Delivery 705,021
Stock Level 705,020
Customer Report 7,050,207
40% 39.9% New Order 5,611,499 1,494
Payment 5,611,504
Order Status 561,151
Delivery 561,149
Stock Level 561,149
Customer Report 5,611,504
30% 30.0% New Order 4,214,556 1,494
Payment 4,214,557
Order Status 421,456
Delivery 421,457
Stock Level 421,456
Customer Report 4,214,558
20% 20.0% New Order 2,814,029 1,494
Payment 2,814,031
Order Status 281,403
Delivery 281,403
Stock Level 281,404
Customer Report 2,814,035
10% 10.0% New Order 1,410,107 1,494
Payment 1,410,111
Order Status 141,010
Delivery 141,010
Stock Level 141,010
Customer Report 1,410,108
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0