Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 192,921
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 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     203,984
Calibration 2     194,273
Calibration 3     192,921
ssj_ops@calibrated=193,597
100% 99.7% 193,597 192,921
90% 90.5% 174,237 175,125
80% 80.4% 154,878 155,563
70% 70.3% 135,518 136,180
60% 60.4% 116,158 116,922
50% 49.9% 96,799 96,571
40% 39.9% 77,439 77,233
30% 29.9% 58,079 57,803
20% 19.6% 38,719 37,937
10% 9.9% 19,360 19,191
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
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,839,016 1,494
Payment 14,839,011
Order Status 1,483,901
Delivery 1,483,902
Stock Level 1,483,902
Customer Report 14,839,011
Calibration 2 New Order 14,130,629 1,494
Payment 14,130,632
Order Status 1,413,063
Delivery 1,413,063
Stock Level 1,413,063
Customer Report 14,130,624
Calibration 3 New Order 14,032,521 1,494
Payment 14,032,521
Order Status 1,403,252
Delivery 1,403,251
Stock Level 1,403,254
Customer Report 14,032,519
100% 99.7% New Order 14,031,580 1,494
Payment 14,031,578
Order Status 1,403,157
Delivery 1,403,157
Stock Level 1,403,158
Customer Report 14,031,575
90% 90.5% New Order 12,737,615 1,494
Payment 12,737,609
Order Status 1,273,761
Delivery 1,273,762
Stock Level 1,273,761
Customer Report 12,737,612
80% 80.4% New Order 11,314,286 1,494
Payment 11,314,282
Order Status 1,131,428
Delivery 1,131,429
Stock Level 1,131,428
Customer Report 11,314,287
70% 70.3% New Order 9,904,556 1,494
Payment 9,904,556
Order Status 990,455
Delivery 990,456
Stock Level 990,456
Customer Report 9,904,560
60% 60.4% New Order 8,504,842 1,494
Payment 8,504,847
Order Status 850,483
Delivery 850,485
Stock Level 850,485
Customer Report 8,504,847
50% 49.9% New Order 7,023,963 1,494
Payment 7,023,967
Order Status 702,397
Delivery 702,397
Stock Level 702,396
Customer Report 7,023,963
40% 39.9% New Order 5,617,307 1,494
Payment 5,617,309
Order Status 561,732
Delivery 561,731
Stock Level 561,731
Customer Report 5,617,310
30% 29.9% New Order 4,203,924 1,494
Payment 4,203,923
Order Status 420,391
Delivery 420,393
Stock Level 420,391
Customer Report 4,203,920
20% 19.6% New Order 2,759,054 1,494
Payment 2,759,051
Order Status 275,905
Delivery 275,905
Stock Level 275,907
Customer Report 2,759,054
10% 9.9% New Order 1,395,757 1,494
Payment 1,395,758
Order Status 139,577
Delivery 139,577
Stock Level 139,575
Customer Report 1,395,756
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0